Pith Number

pith:X4PMQHG2

pith:2024:X4PMQHG2W56UT6XPY63NSC5DJE

not attested not anchored not stored refs pending

In Memory of Martin Davis

Alberto Policriti, Alexandra Shlapentokh, Eugenio G. Omodeo, Valentina Harizanov, Wesley Calvert

arxiv:2401.10154 v1 · 2024-01-15 · math.HO · cs.LO · math.LO · math.NT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X4PMQHG2W56UT6XPY63NSC5DJE}

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.

Cited by

1 paper in Pith

Martin Davis: An Overview of his Work in Logic, Computer Science, and Philosophy

Receipt and verification

First computed	2026-07-05T07:35:07.184383Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf1ec81cdab77d49faefc7b6d90ba3491e8ef457dac4ba840c4784f14d19d7cf

Aliases

arxiv: 2401.10154 · arxiv_version: 2401.10154v1 · doi: 10.48550/arxiv.2401.10154 · pith_short_12: X4PMQHG2W56U · pith_short_16: X4PMQHG2W56UT6XP · pith_short_8: X4PMQHG2

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/X4PMQHG2W56UT6XPY63NSC5DJE \
  | 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: bf1ec81cdab77d49faefc7b6d90ba3491e8ef457dac4ba840c4784f14d19d7cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c50eb769518ef84e127ad5fb4f383a45330e6582cd5fb72bb742f3ce6cdf8e0",
    "cross_cats_sorted": [
      "cs.LO",
      "math.LO",
      "math.NT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2024-01-15T21:34:28Z",
    "title_canon_sha256": "3cc9eab71d2d82501444e8aea4ce58c0b9b36177ad722c7356ceabc871c24faf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2401.10154",
    "kind": "arxiv",
    "version": 1
  }
}