Pith Number

pith:XEYD2E3J

pith:2025:XEYD2E3J77RKUSO2AFNZ3JVM3J

not attested not anchored not stored refs pending

Closed-Circuit Television Data as an Emergent Data Source for Urban Rail Platform Crowding Estimation

Anson F. Stewart, Awad Abdelhalim, Gabriel L. Pincus, Ian Thistle, Jinhua Zhao, Riccardo Fiorista

arxiv:2508.03749 v1 · 2025-08-03 · cs.CV · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XEYD2E3J77RKUSO2AFNZ3JVM3J}

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	2026-07-05T11:49:14.472911Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b9303d1369ffe2aa49da015b9da6acda4a3d4fc1cde0f84ff87e6c19177b8848

Aliases

arxiv: 2508.03749 · arxiv_version: 2508.03749v1 · doi: 10.48550/arxiv.2508.03749 · pith_short_12: XEYD2E3J77RK · pith_short_16: XEYD2E3J77RKUSO2 · pith_short_8: XEYD2E3J

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/XEYD2E3J77RKUSO2AFNZ3JVM3J \
  | 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: b9303d1369ffe2aa49da015b9da6acda4a3d4fc1cde0f84ff87e6c19177b8848

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b959a7e6350bae8a708b2784adf3358b6ad84709381f5119151b1edc5a10700c",
    "cross_cats_sorted": [
      "eess.IV"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-08-03T09:52:12Z",
    "title_canon_sha256": "cc62f8ec2ebd84c8885aa50ef16ab24af56532aed4608620305bda54a06e543f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.03749",
    "kind": "arxiv",
    "version": 1
  }
}