Pith Number

pith:KAHUGZDT

pith:2025:KAHUGZDTBLA5ZMXG6WTNG5MAUC

not attested not anchored not stored refs pending

The Best of the Two Worlds: Harmonizing Semantic and Hash IDs for Sequential Recommendation

Chong Chen, Qidong Liu, Wang Zejian, Wanyu Wang, Wei Huang, Xiangyu Zhao, Yejing Wang, Zijian Zhang, Ziwei Liu

arxiv:2512.10388 v2 · 2025-12-11 · 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{KAHUGZDTBLA5ZMXG6WTNG5MAUC}

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	2026-05-29T01:04:59.760061Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

500f4364730ac1dcb2e6f5a6d37580a0b4f68698e9f5b788f291a4d99e389850

Aliases

arxiv: 2512.10388 · arxiv_version: 2512.10388v2 · doi: 10.48550/arxiv.2512.10388 · pith_short_12: KAHUGZDTBLA5 · pith_short_16: KAHUGZDTBLA5ZMXG · pith_short_8: KAHUGZDT

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/KAHUGZDTBLA5ZMXG6WTNG5MAUC \
  | 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: 500f4364730ac1dcb2e6f5a6d37580a0b4f68698e9f5b788f291a4d99e389850

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "83b02a9266a365324ce25230cf2efca533b59a8670d2fb02ebd60626e47f753b",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2025-12-11T07:50:53Z",
    "title_canon_sha256": "3803f6029ae2322362d24617db64cd231286fccf798aa6358e49dc965bd2546c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2512.10388",
    "kind": "arxiv",
    "version": 2
  }
}