Pith Number

pith:EZOIYJAN

pith:2025:EZOIYJANYAXFHP4RZY6EELKEWT

not attested not anchored not stored refs pending

CHAD-KG: A Knowledge Graph for Representing Cultural Heritage Objects and Digitisation Paradata

Arianna Moretti, Ivan Heibi, Sebastian Barzaghi, Silvio Peroni

arxiv:2505.13276 v1 · 2025-05-19 · cs.DL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EZOIYJANYAXFHP4RZY6EELKEWT}

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	2026-07-05T11:05:27.668559Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

265c8c240dc02e53bf91ce3c422d44b4cfe10dac901381fe296965bc7a1e6943

Aliases

arxiv: 2505.13276 · arxiv_version: 2505.13276v1 · doi: 10.48550/arxiv.2505.13276 · pith_short_12: EZOIYJANYAXF · pith_short_16: EZOIYJANYAXFHP4R · pith_short_8: EZOIYJAN

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/EZOIYJANYAXFHP4RZY6EELKEWT \
  | 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: 265c8c240dc02e53bf91ce3c422d44b4cfe10dac901381fe296965bc7a1e6943

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e34da773c7d11a6a3ce2ace8a2d7d1497808a26f3ac4c97cad82e9990aaa4a57",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2025-05-19T15:59:17Z",
    "title_canon_sha256": "a86e95f3e667f5133f599f58d5817c343d10795dc8bc23f137d7ca11ec3c5e7f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.13276",
    "kind": "arxiv",
    "version": 1
  }
}