Pith Number

pith:P2OZBSVD

pith:2016:P2OZBSVD4RFUZE4I7SEHLYHQLT

not attested not anchored not stored refs pending

Propositional Abduction with Implicit Hitting Sets

Alexey Ignatiev, Antonio Morgado, Joao Marques-Silva

arxiv:1604.08229 v1 · 2016-04-27 · 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{P2OZBSVD4RFUZE4I7SEHLYHQLT}

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	2026-05-18T01:16:04.537297Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e9d90caa3e44b4c9388fc8875e0f05cce33d4a78d8e8b6f20e409c83e657d24

Aliases

arxiv: 1604.08229 · arxiv_version: 1604.08229v1 · doi: 10.48550/arxiv.1604.08229 · pith_short_12: P2OZBSVD4RFU · pith_short_16: P2OZBSVD4RFUZE4I · pith_short_8: P2OZBSVD

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/P2OZBSVD4RFUZE4I7SEHLYHQLT \
  | 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: 7e9d90caa3e44b4c9388fc8875e0f05cce33d4a78d8e8b6f20e409c83e657d24

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f7fb49e29d0641ef84c9916a20c1cd51ec9304e995a266ece3fb9bcf64e6bf2",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2016-04-27T20:29:01Z",
    "title_canon_sha256": "a4e7ab79dff0c7fa770bfbf85291c289c0a4ad612f6d944945ace2c84ad18d46"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.08229",
    "kind": "arxiv",
    "version": 1
  }
}