Pith Number

pith:6GYPB5WR

pith:2018:6GYPB5WRJDAQ7EBRSNHZCXQKOT

not attested not anchored not stored refs pending

Understanding Urban Human Mobility through Crowdsensed Data

Bige Tun\c{c}er, Billy Pik Lik Lau, Chau Yuen, Erik Wilhelm, Yuren Zhou

arxiv:1805.00628 v2 · 2018-05-02 · cs.SI · 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{6GYPB5WRJDAQ7EBRSNHZCXQKOT}

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	2026-05-17T23:45:15.499855Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f1b0f0f6d148c10f9031934f915e0a74ce3097dd9792a27e47365b8f020e2f2f

Aliases

arxiv: 1805.00628 · arxiv_version: 1805.00628v2 · doi: 10.48550/arxiv.1805.00628 · pith_short_12: 6GYPB5WRJDAQ · pith_short_16: 6GYPB5WRJDAQ7EBR · pith_short_8: 6GYPB5WR

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/6GYPB5WRJDAQ7EBRSNHZCXQKOT \
  | 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: f1b0f0f6d148c10f9031934f915e0a74ce3097dd9792a27e47365b8f020e2f2f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "46dc7e076a8626b747e1291c2116c54e2e440764ba5da644045190f2b6d6c4c9",
    "cross_cats_sorted": [
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2018-05-02T05:20:23Z",
    "title_canon_sha256": "117520a5624e7f5159863d9bfe36c4339353d9d32fd011237e8792de7e83b85d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.00628",
    "kind": "arxiv",
    "version": 2
  }
}