Pith Number

pith:WH3KDYWH

pith:2022:WH3KDYWHUPW32NS3RBL7X24D5B

not attested not anchored not stored refs pending

Incremental user embedding modeling for personalized text classification

Chengyuan Ma, Chenlei Guo, Che-Wei Huang, Qilong Gu, Ruixue Lian, Yuqing Tang

arxiv:2202.06369 v1 · 2022-02-13 · cs.LG · cs.CL · eess.AS · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WH3KDYWHUPW32NS3RBL7X24D5B}

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	2026-07-05T03:56:37.507564Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b1f6a1e2c7a3edbd365b8857fbeb83e847d1e2ef1ce0cdd3c6a9caa1004b9622

Aliases

arxiv: 2202.06369 · arxiv_version: 2202.06369v1 · doi: 10.48550/arxiv.2202.06369 · pith_short_12: WH3KDYWHUPW3 · pith_short_16: WH3KDYWHUPW32NS3 · pith_short_8: WH3KDYWH

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/WH3KDYWHUPW32NS3RBL7X24D5B \
  | 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: b1f6a1e2c7a3edbd365b8857fbeb83e847d1e2ef1ce0cdd3c6a9caa1004b9622

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "263c8c601b4a280eb862c7e7bd36d5629b01fa2e066d1f034e7d203fbee5e211",
    "cross_cats_sorted": [
      "cs.CL",
      "eess.AS",
      "eess.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2022-02-13T17:33:35Z",
    "title_canon_sha256": "8a31073654294204a18ecfce9a83dc65541c4bc12f875c2489a3ea78ca16fad2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.06369",
    "kind": "arxiv",
    "version": 1
  }
}