Pith Number

pith:MU4U6WE3

pith:2025:MU4U6WE33W74CECJDPKUT375WA

not attested not anchored not stored refs pending

Personalized Language Model Learning on Text Data Without User Identifiers

Chaoyue Niu, Fandong Meng, Fan Wu, Guihai Chen, Jie Zhou, Ning Liu, Xiangyu Liu, Yangwenjian Tan, Yucheng Ding

arxiv:2501.06062 v1 · 2025-01-10 · 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{MU4U6WE33W74CECJDPKUT375WA}

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	2026-07-05T09:59:32.660037Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

65394f589bddbfc110491bd549effdb00f96a60cb916b60b6d2d3de389db0b34

Aliases

arxiv: 2501.06062 · arxiv_version: 2501.06062v1 · doi: 10.48550/arxiv.2501.06062 · pith_short_12: MU4U6WE33W74 · pith_short_16: MU4U6WE33W74CECJ · pith_short_8: MU4U6WE3

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/MU4U6WE33W74CECJDPKUT375WA \
  | 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: 65394f589bddbfc110491bd549effdb00f96a60cb916b60b6d2d3de389db0b34

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8792e7835b68662ebab46356c9a805f83a45884de0bc1c6d94dcdd4e189df5a7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-01-10T15:46:19Z",
    "title_canon_sha256": "dd317cff9774ddf2070b80895fc189201f619746444ff91d7308b4fe7cbe137d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.06062",
    "kind": "arxiv",
    "version": 1
  }
}