Pith Number

pith:GFZBVPAS

pith:2017:GFZBVPASRIJS5X22RYSC5HL3TS

not attested not anchored not stored refs pending

Urban Vibrancy and Safety in Philadelphia

Colman Humphrey, Dylan Small, Rachel Thurston, Shane T. Jensen

arxiv:1702.07909 v4 · 2017-02-25 · stat.AP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GFZBVPASRIJS5X22RYSC5HL3TS}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-17T23:56:10.611919Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

31721abc128a132edf5a8e242e9d7b9cb14625129b2610cdff1d2960ef17d1a9

Aliases

arxiv: 1702.07909 · arxiv_version: 1702.07909v4 · doi: 10.48550/arxiv.1702.07909 · pith_short_12: GFZBVPASRIJS · pith_short_16: GFZBVPASRIJS5X22 · pith_short_8: GFZBVPAS

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/GFZBVPASRIJS5X22RYSC5HL3TS \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 31721abc128a132edf5a8e242e9d7b9cb14625129b2610cdff1d2960ef17d1a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d9edca51e353fc577498b69cbc3fcca989a477febbb288244309504220073fe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2017-02-25T15:56:33Z",
    "title_canon_sha256": "cbb6591f0e5284e5ef2e5f623c13693947ec007913b1faee88f8a4e0faf9561d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.07909",
    "kind": "arxiv",
    "version": 4
  }
}