Pith Number

pith:WWD76K2O

pith:2025:WWD76K2OWZLCUMD3LXGT6H3NKN

not attested not anchored not stored refs pending

Automatic Construction of Multiple Classification Dimensions for Managing Approaches in Scientific Papers

Bing Ma, Hai Zhuge

arxiv:2505.23252 v2 · 2025-05-29 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WWD76K2OWZLCUMD3LXGT6H3NKN}

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	2026-07-05T11:20:54.577932Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b587ff2b4eb6562a307b5dcd3f1f6d534d7b3e30f91774f27af56b8005e12c59

Aliases

arxiv: 2505.23252 · arxiv_version: 2505.23252v2 · doi: 10.48550/arxiv.2505.23252 · pith_short_12: WWD76K2OWZLC · pith_short_16: WWD76K2OWZLCUMD3 · pith_short_8: WWD76K2O

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/WWD76K2OWZLCUMD3LXGT6H3NKN \
  | 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: b587ff2b4eb6562a307b5dcd3f1f6d534d7b3e30f91774f27af56b8005e12c59

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f6defd11630935ef565fa739ff198b1bf62970590f22cd8bd1151eded75fdf7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-05-29T08:57:11Z",
    "title_canon_sha256": "07eb3e590fdee8612d1ed4ad4e06442af4bdae630e7c582c85abab3c4eade5e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.23252",
    "kind": "arxiv",
    "version": 2
  }
}