Pith Number

pith:45U4S46Z

pith:2020:45U4S46ZRDUQ4FETRJS6AWADP4

not attested not anchored not stored refs pending

Hybrid Interest Modeling for Long-tailed Users

Angulia Yang, Anxiang Zeng, Jiandong Zhang, Jin Niu, Lifang Deng, Qidi Xu, Xiang Fu

arxiv:2012.14770 v1 · 2020-12-29 · 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{45U4S46ZRDUQ4FETRJS6AWADP4}

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	2026-07-05T02:03:01.369651Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e769c973d988e90e14938a65e058037f116f950afc4289b9d5e084358321069f

Aliases

arxiv: 2012.14770 · arxiv_version: 2012.14770v1 · doi: 10.48550/arxiv.2012.14770 · pith_short_12: 45U4S46ZRDUQ · pith_short_16: 45U4S46ZRDUQ4FET · pith_short_8: 45U4S46Z

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/45U4S46ZRDUQ4FETRJS6AWADP4 \
  | 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: e769c973d988e90e14938a65e058037f116f950afc4289b9d5e084358321069f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56c4d7e8f96026525efd0dc832f5583abee78238d6858e2678dd69fc51c4c1ea",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2020-12-29T14:33:01Z",
    "title_canon_sha256": "2a2f0420a488eab976a196309449e5dbbfdcef04f7025acad48f5a0c95b5d918"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.14770",
    "kind": "arxiv",
    "version": 1
  }
}