The Boston ArchiveBoston, Massachusetts

park · official boundary

Father Jack Play Area

Protected open space in the City of Boston open-space inventory. At 345 Walnut Avenue.

Place

official layer

An official boundary, promulgated by an authority with the power to draw it. It is not amended by anything on the vernacular layer.

Filed by this archive as
park
Authority
City of Boston Parks and Recreation Department
Within
Boston
Area
1294 square meters
Boundary
held as GeoJSON at /asset/75ab80d898792f64ba790baf94853832/father-jack-play-area.geojson — 2433 bytes, exactly as accessioned

Map

A map of the boundary of Father Jack Play Area, a park in the record of Boston, Massachusetts, within Boston. The outline is an official boundary, promulgated by City of Boston Parks and Recreation Department. It encloses approximately 1294 square meters.
Rendered by the archive, served as image/svg+xml at /asset/6c50ae28491775c49545070fb5bdacd0/father-jack-play-area.svg — 1563 bytes, SHA-256 6c50ae28491775c4… · Open Data Commons Public Domain Dedication and Licence (PDDL) 1.0
The exact coordinates are held separately as /asset/75ab80d898792f64ba790baf94853832/father-jack-play-area.geojson (application/geo+json, 2433 bytes, SHA-256 75ab80d898792f64…). The map is simplified for drawing; the boundary is not.

Questions this record answers

Each answer is composed only from fields this record carries, and names the attestation for what it says. A question the record cannot answer from its own attested content is not asked here. Where a boundary is described as official it was promulgated by an authority with the power to draw it and is not amended by anything on the vernacular layer; where it is described as vernacular it is held by attestation alone and amends no official boundary.

Where is Father Jack Play Area, and what kind of boundary does the archive hold?

Father Jack Play Area is recorded as a park, within Boston. The archive holds its boundary on the official layer: promulgated by an authority with the power to draw it.

Attested by: City of Boston Open Data Portal (Analyze Boston), retrieved 2 September 2026, under Open Data Commons Public Domain Dedication and Licence (PDDL) 1.0.

Who drew the boundary of Father Jack Play Area?

City of Boston Parks and Recreation Department promulgated it. A boundary with no promulgating authority is an assertion rather than a fact, and this archive files those separately, as claims.

Attested by: City of Boston Open Data Portal (Analyze Boston), retrieved 2 September 2026, under Open Data Commons Public Domain Dedication and Licence (PDDL) 1.0.

How large is Father Jack Play Area?

1294 square meters, computed from the boundary the archive holds and not quoted from elsewhere.

Attested by: City of Boston Open Data Portal (Analyze Boston), retrieved 2 September 2026, under Open Data Commons Public Domain Dedication and Licence (PDDL) 1.0.

What does the archive's map of Father Jack Play Area show?

A static map of the boundary, rendered by the archive on a server and never in a reader's browser, served as image/svg+xml at /asset/6c50ae28491775c49545070fb5bdacd0/father-jack-play-area.svg. The exact coordinates it was drawn from are served separately as application/geo+json at /asset/75ab80d898792f64ba790baf94853832/father-jack-play-area.geojson.

Attested by: Rendered by archive-ingest 0.1.0 from the boundary this archive holds; digest 6c50ae28491775c49545070fb5bdacd0136b6619a98804c22b2ddd191d6f3667.

What does the archive hold for Father Jack Play Area, and under what license?

The Boston Archive holds this record of Father Jack Play Area from City of Boston Open Data Portal (Analyze Boston), retrieved 2 September 2026, under Open Data Commons Public Domain Dedication and Licence (PDDL) 1.0 (public domain). 4 recorded transforms stand between the retrieved bytes and this record. Attribution is due to City of Boston.

Attested by: City of Boston Open Data Portal (Analyze Boston), retrieved 2 September 2026, under Open Data Commons Public Domain Dedication and Licence (PDDL) 1.0.

Related records

Identity

Identifier
urn:lemay:boston:entity:father-jack-play-area
Canonical URL
https://boston.fyi/place/father-jack-play-area
As JSON
https://boston.fyi/place/father-jack-play-area.json
Version
1 · last changed 2 September 2026

Provenance

Source
City of Boston Open Data Portal (Analyze Boston) — source of record
License
Open Data Commons Public Domain Dedication and Licence (PDDL) 1.0 (public_domain)
Retrieved
2 September 2026
Source identifier
307
Attribution
City of Boston
Rights as stated
Open Data Commons Public Domain Dedication and License (PDDL)

Transform ladder

#OperationDescriptionTool
1fetchretrieved the dataset's GeoJSON from the City of Boston open-data portalarchive-ingest 0.1.0
2normalizethe source's own name field became the record title; no name was supplied by the archivearchive-ingest 0.1.0
3reprojectthe source is WGS 84 (EPSG:4326); geometry was set to that SRID without alteration of coordinatesarchive-ingest 0.1.0
4externalize-boundaryThe boundary left the inline page graph and became two preserved holdings: the exact coordinates at /asset/75ab80d898792f64ba790baf94853832/father-jack-play-area.geojson and a static map rendered server-side at /asset/6c50ae28491775c49545070fb5bdacd0/father-jack-play-area.svg. The stored geometry is unchanged; the record graph now addresses it instead of carrying it.archive-ingest 0.1.0