Pith Number

pith:HPI57G2S

pith:2019:HPI57G2SHAY327OL4UIIYTNTMG

not attested not anchored not stored refs pending

CoAPI: An Efficient Two-Phase Algorithm Using Core-Guided Over-Approximate Cover for Prime Compilation of Non-Clausal Formulae

Hai Wan, Hongzhen Zhong, Ou Wei, Weilin Luo

arxiv:1906.03085 v1 · 2019-06-07 · cs.AI · 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{HPI57G2SHAY327OL4UIIYTNTMG}

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	2026-05-17T23:43:55.065774Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3bd1df9b523831bd7dcbe5108c4db3619035ed3a302789000539b63dfa5eaa9f

Aliases

arxiv: 1906.03085 · arxiv_version: 1906.03085v1 · doi: 10.48550/arxiv.1906.03085 · pith_short_12: HPI57G2SHAY3 · pith_short_16: HPI57G2SHAY327OL · pith_short_8: HPI57G2S

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/HPI57G2SHAY327OL4UIIYTNTMG \
  | 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: 3bd1df9b523831bd7dcbe5108c4db3619035ed3a302789000539b63dfa5eaa9f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "21ba3438fff4d83b358eb178053a2a77e437a56b4ffe6c12150c4ef986085711",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2019-06-07T13:26:39Z",
    "title_canon_sha256": "6640c4ab883c96b9c595fc897791ddc7bad9cdd2110214aa18f57d0fee771f42"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.03085",
    "kind": "arxiv",
    "version": 1
  }
}