Pith Number

pith:UC4ZWVHV

pith:2012:UC4ZWVHVBSQAWHI5BWH5SC65DQ

not attested not anchored not stored refs pending

Challenging the Long Tail Recommendation

Bin Cui, Chen Chen, Hongzhi Yin, Jing Li, Junjie Yao

arxiv:1205.6700 v1 · 2012-05-30 · cs.DB

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UC4ZWVHVBSQAWHI5BWH5SC65DQ}

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.

Cited by

1 paper in Pith

Learning Variable-Length Tokenization for Generative Recommendation

Receipt and verification

First computed	2026-05-18T03:54:38.132351Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0b99b54f50ca00b1d1d0d8fd90bdd1c3b047695f8dd4bb00fbf3a99ff9bbe21

Aliases

arxiv: 1205.6700 · arxiv_version: 1205.6700v1 · doi: 10.48550/arxiv.1205.6700 · pith_short_12: UC4ZWVHVBSQA · pith_short_16: UC4ZWVHVBSQAWHI5 · pith_short_8: UC4ZWVHV

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/UC4ZWVHVBSQAWHI5BWH5SC65DQ \
  | 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: a0b99b54f50ca00b1d1d0d8fd90bdd1c3b047695f8dd4bb00fbf3a99ff9bbe21

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1b58a9d743fb48352b7045f51e65b2b92605507630df8b4c6e325e56e857431",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2012-05-30T14:33:56Z",
    "title_canon_sha256": "39969ccc3e5e6bd4541a756cd2320347e43b6b240952f6f09845d371b545a124"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.6700",
    "kind": "arxiv",
    "version": 1
  }
}