Pith Number

pith:54TZ2OTL

pith:2025:54TZ2OTLUHEQRJPOMKWIUOSZMT

not attested not anchored not stored refs pending

Data-Driven Discovery of Mobility Periodicity for Understanding Urban Systems

HanQin Cai, Jinhua Zhao, Nina Cao, Qi Wang, Xinyu Chen, Yunhan Zheng

arxiv:2508.03747 v2 · 2025-08-02 · cs.SI · cs.AI · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{54TZ2OTLUHEQRJPOMKWIUOSZMT}

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	2026-07-05T12:10:59.400798Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef279d3a6ba1c908a5ee62ac8a3a5964e262284cadfbf127cd9b642e80d0fdd8

Aliases

arxiv: 2508.03747 · arxiv_version: 2508.03747v2 · doi: 10.48550/arxiv.2508.03747 · pith_short_12: 54TZ2OTLUHEQ · pith_short_16: 54TZ2OTLUHEQRJPO · pith_short_8: 54TZ2OTL

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/54TZ2OTLUHEQRJPOMKWIUOSZMT \
  | 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: ef279d3a6ba1c908a5ee62ac8a3a5964e262284cadfbf127cd9b642e80d0fdd8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c7460eea9c29dd1a3a8471426b11f52f3c3fd2e71e029b565ac763de41e31cb",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2025-08-02T15:25:20Z",
    "title_canon_sha256": "dbd55cf1576738d25d29e0c4ae8ec7176ad537b2a2767be31e5cac3c108d1875"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.03747",
    "kind": "arxiv",
    "version": 2
  }
}