Pith Number

pith:PES7L66T

pith:2009:PES7L66TS3AZ7L7FGKL4D5DBCV

not attested not anchored not stored refs pending

Equilibria und weiteres Heiteres

Dov Gabbay, Karl Schlechta (LIF)

arxiv:0907.4017 v10 · 2009-07-23 · math.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{PES7L66TS3AZ7L7FGKL4D5DBCV}

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	2026-05-18T04:15:36.297837Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7925f5fbd396c19fafe53297c1f461157825b30f67cc8fa7c5a0eaa9d13c0691

Aliases

arxiv: 0907.4017 · arxiv_version: 0907.4017v10 · doi: 10.48550/arxiv.0907.4017 · pith_short_12: PES7L66TS3AZ · pith_short_16: PES7L66TS3AZ7L7F · pith_short_8: PES7L66T

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/PES7L66TS3AZ7L7FGKL4D5DBCV \
  | 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: 7925f5fbd396c19fafe53297c1f461157825b30f67cc8fa7c5a0eaa9d13c0691

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "123de0a52bfd42273590e098d5ad1eb4d2693f40d5a0baa572491e3251826f42",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2009-07-23T09:36:49Z",
    "title_canon_sha256": "834317f69dbbc117edf22f78291df582a03ad70af12cbec16e7e1c75035dd773"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.4017",
    "kind": "arxiv",
    "version": 10
  }
}