Pith Number

pith:CCMJTNWY

pith:2023:CCMJTNWYNW4OZXAPBMI7ONYQFB

not attested not anchored not stored refs pending

An Unified Search and Recommendation Foundation Model for Cold-Start Scenario

Guannan Zhang, Kaiming Shen, Xichen Ding, Yehui Su, Yuqi Gong, Zhongyi Liu

arxiv:2309.08939 v1 · 2023-09-16 · cs.IR · 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{CCMJTNWYNW4OZXAPBMI7ONYQFB}

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	2026-07-05T06:51:31.883545Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

109899b6d86db8ecdc0f0b11f737102854e1915a6e572ea1de6a209796c61269

Aliases

arxiv: 2309.08939 · arxiv_version: 2309.08939v1 · doi: 10.48550/arxiv.2309.08939 · pith_short_12: CCMJTNWYNW4O · pith_short_16: CCMJTNWYNW4OZXAP · pith_short_8: CCMJTNWY

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/CCMJTNWYNW4OZXAPBMI7ONYQFB \
  | 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: 109899b6d86db8ecdc0f0b11f737102854e1915a6e572ea1de6a209796c61269

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3776c6739aa5108a92e2072bf657b7a962d76f9a9686593169b19c50eb9602d9",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2023-09-16T10:00:02Z",
    "title_canon_sha256": "4585eb13f6469fc074b63e4d39bfce5b006cfca7e768da1c27a1f1bbffa1b2a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2309.08939",
    "kind": "arxiv",
    "version": 1
  }
}