Pith Number

pith:QEZCXSCP

pith:2013:QEZCXSCPFFOX6QER5LDFZQPD7E

not attested not anchored not stored refs pending

A Forgetting-based Approach to Merging Knowledge Bases

Dai Xu, Xiaowang Zhang, Zuoquan Lin

arxiv:1301.2137 v1 · 2013-01-10 · 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{QEZCXSCPFFOX6QER5LDFZQPD7E}

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	2026-05-18T03:36:47.428453Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81322bc84f295d7f4091eac65cc1e3f9209e22e38a9f8966587a28549d63d59d

Aliases

arxiv: 1301.2137 · arxiv_version: 1301.2137v1 · doi: 10.48550/arxiv.1301.2137 · pith_short_12: QEZCXSCPFFOX · pith_short_16: QEZCXSCPFFOX6QER · pith_short_8: QEZCXSCP

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/QEZCXSCPFFOX6QER5LDFZQPD7E \
  | 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: 81322bc84f295d7f4091eac65cc1e3f9209e22e38a9f8966587a28549d63d59d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "12c0d3198afed5780653d5e7124f9b5321a16d9a4e00f95d9d7656ff02246482",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2013-01-10T14:41:52Z",
    "title_canon_sha256": "9d0474e6a8160952410d1fcba6392a56dde62d4ef287fa7443d33e25e238d46f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.2137",
    "kind": "arxiv",
    "version": 1
  }
}