Pith Number

pith:WGWGH5MZ

pith:2026:WGWGH5MZJI5Z7I6BACSSLRPIHI

not attested not anchored not stored refs pending

Can Generative Recommendation Reach Cold Items? A Temporal Perspective on Semantic-ID Generation

Bin Tong, Bo Zheng, Guan Wang, Jie Peng, Yanping Zheng, Zhewei Zhe

arxiv:2607.21101 v1 · 2026-07-23 · 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{WGWGH5MZJI5Z7I6BACSSLRPIHI}

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	2026-07-24T01:23:51.967616Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b1ac63f5994a3b9fa3c100a525c5e83a0159a328b516307501a23f3c7baa34b5

Aliases

arxiv: 2607.21101 · arxiv_version: 2607.21101v1 · doi: 10.48550/arxiv.2607.21101 · pith_short_12: WGWGH5MZJI5Z · pith_short_16: WGWGH5MZJI5Z7I6B · pith_short_8: WGWGH5MZ

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/WGWGH5MZJI5Z7I6BACSSLRPIHI \
  | 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: b1ac63f5994a3b9fa3c100a525c5e83a0159a328b516307501a23f3c7baa34b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f82ebcb0315b13b943572277d4da830534acf7a5a90c6179caebc602c17bb52",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-07-23T09:30:49Z",
    "title_canon_sha256": "f13e696972fdb56619a4327e30040b50dd68081c1c10f48ed6c247f951fe1648"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.21101",
    "kind": "arxiv",
    "version": 1
  }
}