Pith Number

pith:TDDXUWIA

pith:2012:TDDXUWIASPAKBG6GEMQUP5XRUS

not attested not anchored not stored refs pending

Deciding Entailment of Implications with Support and Confidence in Polynomial Space

Daniel Borchmann

arxiv:1201.5719 v2 · 2012-01-27 · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TDDXUWIASPAKBG6GEMQUP5XRUS}

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	2026-05-18T04:03:34.369973Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

98c77a590093c0a09bc6232147f6f1a4901506cc65c900f4bc2d819d1aaa0221

Aliases

arxiv: 1201.5719 · arxiv_version: 1201.5719v2 · doi: 10.48550/arxiv.1201.5719 · pith_short_12: TDDXUWIASPAK · pith_short_16: TDDXUWIASPAKBG6G · pith_short_8: TDDXUWIA

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/TDDXUWIASPAKBG6GEMQUP5XRUS \
  | 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: 98c77a590093c0a09bc6232147f6f1a4901506cc65c900f4bc2d819d1aaa0221

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "817d36e9c623028e5e3772914fd955f79cc562c21d5aa5ef26ed72f721c33084",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2012-01-27T08:32:38Z",
    "title_canon_sha256": "257433350d23fead469906e59831a5ec6ada21b2c63699483cac2a91ba5b01da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.5719",
    "kind": "arxiv",
    "version": 2
  }
}