Pith Number

pith:EZT4FQKS

pith:2026:EZT4FQKSGEGRUQK572S5EEOFNO

not attested not anchored not stored refs pending

From Head to Tail: Asymmetric Knowledge Transfer in Long-tail Recommendation with Generative Semantic IDs

Chenyi Yan, He Guo, Jing Wang, Ruocong Tang, Xing Fang, Yang Huang

arxiv:2605.23310 v1 · 2026-05-22 · cs.IR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EZT4FQKSGEGRUQK572S5EEOFNO}

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	2026-05-25T02:01:48.363275Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2667c2c152310d1a415dfea5d211c56bb0b76b10144bb4faef58f6259f8ea3fc

Aliases

arxiv: 2605.23310 · arxiv_version: 2605.23310v1 · doi: 10.48550/arxiv.2605.23310 · pith_short_12: EZT4FQKSGEGR · pith_short_16: EZT4FQKSGEGRUQK5 · pith_short_8: EZT4FQKS

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/EZT4FQKSGEGRUQK572S5EEOFNO \
  | 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: 2667c2c152310d1a415dfea5d211c56bb0b76b10144bb4faef58f6259f8ea3fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "527c60de87e538d355049cfbee09e78706cb9eceb7146ff2510f382a0d20e98d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2026-05-22T07:29:51Z",
    "title_canon_sha256": "5cfd6e8071e4e5e7751bef5754ffd098391a981e2f5fa84d34f58552a39c848e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.23310",
    "kind": "arxiv",
    "version": 1
  }
}