Pith Number

pith:EX2LKTN5

pith:2013:EX2LKTN5HKLJRZOXWFZJGIDQKM

not attested not anchored not stored refs pending

Elementary Deduction Problem for Locally Stable Theories with Normal Forms

Daniele Nantes-Sobrinho (Universidade de Bras\'ilia), Maribel Fern\'andez (King's College London), Mauricio Ayala-Rinc\'on (Universidade de Bras\'ilia)

arxiv:1303.7328 v1 · 2013-03-29 · cs.LO · cs.CC · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EX2LKTN5HKLJRZOXWFZJGIDQKM}

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	2026-05-18T03:29:28.843430Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25f4b54dbd3a9698e5d7b1729320705327dd68b55e6ee85ece2b2ac91d2c6d56

Aliases

arxiv: 1303.7328 · arxiv_version: 1303.7328v1 · doi: 10.48550/arxiv.1303.7328 · pith_short_12: EX2LKTN5HKLJ · pith_short_16: EX2LKTN5HKLJRZOX · pith_short_8: EX2LKTN5

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/EX2LKTN5HKLJRZOXWFZJGIDQKM \
  | 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: 25f4b54dbd3a9698e5d7b1729320705327dd68b55e6ee85ece2b2ac91d2c6d56

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c606a816e50215f06eefc1f50e8453c06477a18bafe9d737ab79bdcad892fb2",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.CR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2013-03-29T09:01:51Z",
    "title_canon_sha256": "16a488784e0af21085fe229d54ffdc27a289abdcb024f8d72a6791e2b1cbcd4c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.7328",
    "kind": "arxiv",
    "version": 1
  }
}