Pith Number

pith:BY4ZRO7L

pith:2025:BY4ZRO7L77KFJNZB2QC66L7HYV

not attested not anchored not stored refs pending

Unlearning of Knowledge Graph Embedding via Preference Optimization

Guozheng Li, Jiajun Liu, Ke Ji, Peng Wang, Wenjun Ke, Yao He, Zijie Xu, Ziyu Shang

arxiv:2507.20566 v1 · 2025-07-28 · 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{BY4ZRO7L77KFJNZB2QC66L7HYV}

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	2026-07-05T11:44:21.689013Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e3998bbebffd454b721d405ef2fe7c54c04fa315a1679172125385b9972f170

Aliases

arxiv: 2507.20566 · arxiv_version: 2507.20566v1 · doi: 10.48550/arxiv.2507.20566 · pith_short_12: BY4ZRO7L77KF · pith_short_16: BY4ZRO7L77KFJNZB · pith_short_8: BY4ZRO7L

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/BY4ZRO7L77KFJNZB2QC66L7HYV \
  | 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: 0e3998bbebffd454b721d405ef2fe7c54c04fa315a1679172125385b9972f170

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cce5ccfae81b6762623e693bca6a0c8f43e7c56585c5a3009a5bfcedf28a2ed3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2025-07-28T07:03:04Z",
    "title_canon_sha256": "babb277b38e4bbb2d887dcd22f6bc4e171b0eace34f29f5c8041a0720ad92434"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.20566",
    "kind": "arxiv",
    "version": 1
  }
}