Pith Number

pith:XXDEUX5S

pith:2013:XXDEUX5SVMDEIFBOXCLXKTVBCV

not attested not anchored not stored refs pending

Translating NP-SPEC into ASP

Mario Alviano, Wolfgang Faber

arxiv:1301.1385 v1 · 2013-01-08 · 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{XXDEUX5SVMDEIFBOXCLXKTVBCV}

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	2026-05-18T03:36:57.681556Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bdc64a5fb2ab0644142eb897754ea1155da49ac8e22dabada88ed1c62b2b2d22

Aliases

arxiv: 1301.1385 · arxiv_version: 1301.1385v1 · doi: 10.48550/arxiv.1301.1385 · pith_short_12: XXDEUX5SVMDE · pith_short_16: XXDEUX5SVMDEIFBO · pith_short_8: XXDEUX5S

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/XXDEUX5SVMDEIFBOXCLXKTVBCV \
  | 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: bdc64a5fb2ab0644142eb897754ea1155da49ac8e22dabada88ed1c62b2b2d22

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3862a31defb385658c4ec970ba1a957cd3f4e78853640d794bceaca4a0f0f953",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2013-01-08T02:28:49Z",
    "title_canon_sha256": "f43eafe1f308e62a8a2ae8bc7541b498e85da11a49983b0cd9c07def47069675"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.1385",
    "kind": "arxiv",
    "version": 1
  }
}