Pith Number

pith:7TWEJAOI

pith:2014:7TWEJAOIHUWAHYUFLPLMOOKH7V

not attested not anchored not stored refs pending

Model revision inference for extensions of first order logic

Joachim Jansen

arxiv:1405.4206 v1 · 2014-05-16 · 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{7TWEJAOIHUWAHYUFLPLMOOKH7V}

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	2026-05-18T02:51:42.909605Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fcec4481c83d2c03e2855bd6c73947fd5f8d42414c81e7470a03aeb83d3f8e34

Aliases

arxiv: 1405.4206 · arxiv_version: 1405.4206v1 · doi: 10.48550/arxiv.1405.4206 · pith_short_12: 7TWEJAOIHUWA · pith_short_16: 7TWEJAOIHUWAHYUF · pith_short_8: 7TWEJAOI

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/7TWEJAOIHUWAHYUFLPLMOOKH7V \
  | 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: fcec4481c83d2c03e2855bd6c73947fd5f8d42414c81e7470a03aeb83d3f8e34

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3953a560363557d900bb8b8f15f60c8d116ecd74f64e0dabf6e3707f8921a40f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2014-05-16T15:23:24Z",
    "title_canon_sha256": "d761e47e6416842ecff3bb678db68d623ae02be74e8e704bca30809cce9792f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.4206",
    "kind": "arxiv",
    "version": 1
  }
}