Pith Number

pith:HIJPR4JD

pith:2015:HIJPR4JDWIAYYLCTV74OTYKY2Z

not attested not anchored not stored refs pending

IfcWoD, Semantically Adapting IFC Model Relations into OWL Properties

Ana Roxin (Le2i), Christophe Nicolle (Le2i), Tarcisio Mendes de Farias (Le2i)

arxiv:1511.03897 v1 · 2015-11-12 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HIJPR4JDWIAYYLCTV74OTYKY2Z}

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	2026-05-18T01:27:06.548034Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a12f8f123b2018c2c53aff8e9e158d67c1f45b95197452c8722ac9cab4ad6f1

Aliases

arxiv: 1511.03897 · arxiv_version: 1511.03897v1 · doi: 10.48550/arxiv.1511.03897 · pith_short_12: HIJPR4JDWIAY · pith_short_16: HIJPR4JDWIAYYLCT · pith_short_8: HIJPR4JD

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/HIJPR4JDWIAYYLCTV74OTYKY2Z \
  | 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: 3a12f8f123b2018c2c53aff8e9e158d67c1f45b95197452c8722ac9cab4ad6f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d39c3b900c5ad0958bde9ad85c651cd53569a66eae3336a99abde4cf2406e6b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2015-11-12T13:49:06Z",
    "title_canon_sha256": "c2259550a40452a5dd4ed6df70963e7ad807d2504f02230da9f998fd2c6c0c2f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.03897",
    "kind": "arxiv",
    "version": 1
  }
}