Pith Number

pith:SRMOBK76

pith:2013:SRMOBK76PTD7AVVDYEJNWBEBYR

not attested not anchored not stored refs pending

Dependence space of matroids and its application to attribute reduction

Aiping Huang, William Zhu

arxiv:1312.4231 v2 · 2013-12-16 · 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{SRMOBK76PTD7AVVDYEJNWBEBYR}

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	2026-05-18T02:25:34.269286Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9458e0abfe7cc7f056a3c112db0481c44929e58c89df7e6066d02f12cd027699

Aliases

arxiv: 1312.4231 · arxiv_version: 1312.4231v2 · doi: 10.48550/arxiv.1312.4231 · pith_short_12: SRMOBK76PTD7 · pith_short_16: SRMOBK76PTD7AVVD · pith_short_8: SRMOBK76

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/SRMOBK76PTD7AVVDYEJNWBEBYR \
  | 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: 9458e0abfe7cc7f056a3c112db0481c44929e58c89df7e6066d02f12cd027699

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c54efeedfa5b59b3a6adf184d6b386e31424b61e00f024027a1fce87d4a4f1f3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2013-12-16T02:27:15Z",
    "title_canon_sha256": "18303e1038cd941acddca1163118ec80b908796087900407a566bfe5b6c38fc9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.4231",
    "kind": "arxiv",
    "version": 2
  }
}