Pith Number

pith:BOT3FK4D

pith:2025:BOT3FK4DRNFGQUNNCYP2FVDIKU

not attested not anchored not stored refs pending

OSM+: Billion-Level OpenStreetMap Dataset for City-wide Experiments

Fan Wu, Guanjie Zheng, Hongwei Zhang, Linghe Kong, Wen Ling, Xuanhe Zhou, Yiheng Wang, Yuhang Luo, Ziyang Su

arxiv:2512.06743 v2 · 2025-12-07 · cs.DB

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BOT3FK4DRNFGQUNNCYP2FVDIKU}

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	2026-05-22T01:03:51.893858Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ba7b2ab838b4a6851ad161fa2d468553bd4df8e7d6fa97e5962656394e1c3ed

Aliases

arxiv: 2512.06743 · arxiv_version: 2512.06743v2 · doi: 10.48550/arxiv.2512.06743 · pith_short_12: BOT3FK4DRNFG · pith_short_16: BOT3FK4DRNFGQUNN · pith_short_8: BOT3FK4D

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/BOT3FK4DRNFGQUNNCYP2FVDIKU \
  | 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: 0ba7b2ab838b4a6851ad161fa2d468553bd4df8e7d6fa97e5962656394e1c3ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e3b4c9707f28f99ce10266f1e932532ab1c00f6dbaa8b6faefa87cb9bf16af3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2025-12-07T09:16:32Z",
    "title_canon_sha256": "ead7e48bf57aabb6ac5eaa2528f52eaeb1153055f609a98b240accbf95127593"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2512.06743",
    "kind": "arxiv",
    "version": 2
  }
}