Pith Number

pith:Y76PJKWQ

pith:2020:Y76PJKWQCBYWB4B2MFWZQ6MJ55

not attested not anchored not stored refs pending

Cold-start Sequential Recommendation via Meta Learner

Shu Wu, Siyi Liu, Yujia Zheng, Zekun Li

arxiv:2012.05462 v1 · 2020-12-10 · 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{Y76PJKWQCBYWB4B2MFWZQ6MJ55}

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

Online Item Cold-Start Recommendation with Popularity-Aware Meta-Learning

Receipt and verification

First computed	2026-07-05T01:58:33.819174Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7fcf4aad0107160f03a616d987989ef5a09c26404c5ddce77bd6cdd7ccf2a18

Aliases

arxiv: 2012.05462 · arxiv_version: 2012.05462v1 · doi: 10.48550/arxiv.2012.05462 · pith_short_12: Y76PJKWQCBYW · pith_short_16: Y76PJKWQCBYWB4B2 · pith_short_8: Y76PJKWQ

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/Y76PJKWQCBYWB4B2MFWZQ6MJ55 \
  | 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: c7fcf4aad0107160f03a616d987989ef5a09c26404c5ddce77bd6cdd7ccf2a18

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a544b9e97db7da8e3c765af2e83bb478e474b74bef2b36304e7f6022c40e03e",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2020-12-10T05:23:13Z",
    "title_canon_sha256": "80576f1653fb4a43dab834cae9956ccecbebc34ab5e666c5646e28f7f0d424a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.05462",
    "kind": "arxiv",
    "version": 1
  }
}