Pith Number

pith:UHNNF2ZZ

pith:2024:UHNNF2ZZG5TYMUC3QF5FQNTCFV

not attested not anchored not stored refs pending

Modeling the Heterogeneous Duration of User Interest in Time-Dependent Recommendation: A Hidden Semi-Markov Approach

Haidong Zhang, Wancheng Ni, Xin Li, Yiping Yang

arxiv:2412.11127 v1 · 2024-12-15 · cs.IR · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UHNNF2ZZG5TYMUC3QF5FQNTCFV}

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	2026-07-05T09:49:27.896560Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1dad2eb39376786505b817a5836622d4df3945c0d53774918a000cec14717cd

Aliases

arxiv: 2412.11127 · arxiv_version: 2412.11127v1 · doi: 10.48550/arxiv.2412.11127 · pith_short_12: UHNNF2ZZG5TY · pith_short_16: UHNNF2ZZG5TYMUC3 · pith_short_8: UHNNF2ZZ

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/UHNNF2ZZG5TYMUC3QF5FQNTCFV \
  | 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: a1dad2eb39376786505b817a5836622d4df3945c0d53774918a000cec14717cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b4eb13d4d87146cd10e479b4114b8cbf83c448b741652ba79c4d4684f640356",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2024-12-15T09:17:45Z",
    "title_canon_sha256": "41ed9bbb936e1cd4576e0e928c02a46f31a80f82eb2c8f5a6e27421ccb108c86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2412.11127",
    "kind": "arxiv",
    "version": 1
  }
}