Pith Number

pith:MOTO7V5W

pith:2016:MOTO7V5WSRHHIQC5RHFBP7LULW

not attested not anchored not stored refs pending

First-Order Modular Logic Programs and their Conservative Extensions

Amelia Harrison, Yuliya Lierler

arxiv:1608.02681 v2 · 2016-08-09 · 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{MOTO7V5WSRHHIQC5RHFBP7LULW}

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	2026-05-18T00:50:31.001732Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63a6efd7b6944e74405d89ca17fd745d9045aa97a8776a6e9758049a80dacc0c

Aliases

arxiv: 1608.02681 · arxiv_version: 1608.02681v2 · doi: 10.48550/arxiv.1608.02681 · pith_short_12: MOTO7V5WSRHH · pith_short_16: MOTO7V5WSRHHIQC5 · pith_short_8: MOTO7V5W

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/MOTO7V5WSRHHIQC5RHFBP7LULW \
  | 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: 63a6efd7b6944e74405d89ca17fd745d9045aa97a8776a6e9758049a80dacc0c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc18df39f9215034de27f55a3fc952ce1de3272ce9e3f62a13a99154603f1e0a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2016-08-09T03:06:40Z",
    "title_canon_sha256": "2b01c1e3e74ab31347108374928cafd6f3ca3656af459a5513336d4c78482c2b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.02681",
    "kind": "arxiv",
    "version": 2
  }
}