The Boston ArchiveBoston, Massachusetts

park · official boundary

Flaherty Playground

Protected open space in the City of Boston open-space inventory. At 40 Cornwall Street.

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
5350 square meters
Boundary
held as GeoJSON at /asset/20a04878c18076065bf1d08200f772a3/flaherty-playground.geojson — 933 bytes, exactly as accessioned

Map

A map of the boundary of Flaherty Playground, 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 5350 square meters.
Rendered by the archive, served as image/svg+xml at /asset/22651285c8048963cb61bf122eee8250/flaherty-playground.svg — 1424 bytes, SHA-256 22651285c8048963… · Open Data Commons Public Domain Dedication and Licence (PDDL) 1.0
The exact coordinates are held separately as /asset/20a04878c18076065bf1d08200f772a3/flaherty-playground.geojson (application/geo+json, 933 bytes, SHA-256 20a04878c1807606…). 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 Flaherty Playground, and what kind of boundary does the archive hold?

Flaherty Playground 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 Flaherty Playground?

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 Flaherty Playground?

5350 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 Flaherty Playground 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/22651285c8048963cb61bf122eee8250/flaherty-playground.svg. The exact coordinates it was drawn from are served separately as application/geo+json at /asset/20a04878c18076065bf1d08200f772a3/flaherty-playground.geojson.

Attested by: Rendered by archive-ingest 0.1.0 from the boundary this archive holds; digest 22651285c8048963cb61bf122eee8250e652f5b297b674cea7303e48982de430.

What does the archive hold for Flaherty Playground, and under what license?

The Boston Archive holds this record of Flaherty Playground 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:flaherty-playground
Canonical URL
https://boston.fyi/place/flaherty-playground
As JSON
https://boston.fyi/place/flaherty-playground.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
308
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/20a04878c18076065bf1d08200f772a3/flaherty-playground.geojson and a static map rendered server-side at /asset/22651285c8048963cb61bf122eee8250/flaherty-playground.svg. The stored geometry is unchanged; the record graph now addresses it instead of carrying it.archive-ingest 0.1.0