Pith Number

pith:A2ZM4TM5

pith:2025:A2ZM4TM52757ASD2ETQY2JG2NV

not attested not anchored not stored refs pending

PCL: Prompt-based Continual Learning for User Modeling in Recommender Systems

Fan Yang, Jia Liu, Mingdai Yang, Shaoyuan Xu, Simone Shao, Tianchen Zhou, Yan Gao, Yanhui Guo, Yetian Chen

arxiv:2502.19628 v1 · 2025-02-26 · 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{A2ZM4TM52757ASD2ETQY2JG2NV}

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	2026-07-05T10:20:50.084369Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06b2ce4d9dd7fbf0487a24e18d24da6d539b8b32b8be407541c954c00e066614

Aliases

arxiv: 2502.19628 · arxiv_version: 2502.19628v1 · doi: 10.48550/arxiv.2502.19628 · pith_short_12: A2ZM4TM52757 · pith_short_16: A2ZM4TM52757ASD2 · pith_short_8: A2ZM4TM5

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/A2ZM4TM52757ASD2ETQY2JG2NV \
  | 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: 06b2ce4d9dd7fbf0487a24e18d24da6d539b8b32b8be407541c954c00e066614

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dfea01a0a8a8621daec8eecfd6beefedf7be2ce34cc5307fc0615d45faa53b0d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2025-02-26T23:47:33Z",
    "title_canon_sha256": "2eed9795cb8b21c08621fe0a25130cfdb8426c95a759e51e8da611864739cbbc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.19628",
    "kind": "arxiv",
    "version": 1
  }
}