Pith Number

pith:F77EDHVH

pith:2013:F77EDHVHRUDVMZSNEXKFQDQ6KX

not attested not anchored not stored refs pending

Automated identification and characterization of parcels (AICP) with OpenStreetMap and Points of Interest

Xingjian Liu, Ying Long

arxiv:1311.6165 v3 · 2013-11-24 · cs.CY · 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{F77EDHVHRUDVMZSNEXKFQDQ6KX}

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	2026-05-18T02:20:10.726624Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ffe419ea78d0756664d25d4580e1e55d3fd4fe07fbc4f9b77a8d65e4700fd93

Aliases

arxiv: 1311.6165 · arxiv_version: 1311.6165v3 · doi: 10.48550/arxiv.1311.6165 · pith_short_12: F77EDHVHRUDV · pith_short_16: F77EDHVHRUDVMZSN · pith_short_8: F77EDHVH

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/F77EDHVHRUDVMZSNEXKFQDQ6KX \
  | 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: 2ffe419ea78d0756664d25d4580e1e55d3fd4fe07fbc4f9b77a8d65e4700fd93

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31ec8b65e64246ef5084662ccaf83d204dc06ebb99254a89afa5e50103caeb98",
    "cross_cats_sorted": [
      "cs.DB"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2013-11-24T20:24:41Z",
    "title_canon_sha256": "a6a78d2de1669b29f47b21c104e53412ea223c3013e81c137989b97d717d6973"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.6165",
    "kind": "arxiv",
    "version": 3
  }
}