Pith Number

pith:3SJVRP5I

pith:2013:3SJVRP5IRLEIIIFLA4RNL4R64X

not attested not anchored not stored refs pending

Model companion of ordered theories with an automorphism

Koushik Pal, Michael C. Laskowski

arxiv:1305.7501 v1 · 2013-05-31 · 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{3SJVRP5IRLEIIIFLA4RNL4R64X}

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	2026-05-18T03:22:06.757277Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc9358bfa88ac88420ab0722d5f23ee5c0d7ffd8918a6fcb7e5e10a6fbd5fd58

Aliases

arxiv: 1305.7501 · arxiv_version: 1305.7501v1 · doi: 10.48550/arxiv.1305.7501 · pith_short_12: 3SJVRP5IRLEI · pith_short_16: 3SJVRP5IRLEIIIFL · pith_short_8: 3SJVRP5I

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/3SJVRP5IRLEIIIFLA4RNL4R64X \
  | 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: dc9358bfa88ac88420ab0722d5f23ee5c0d7ffd8918a6fcb7e5e10a6fbd5fd58

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "60ba36835d576e4a7e54a63b16138b41504aa01927488e4d3cd792984c0e4134",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2013-05-31T18:37:15Z",
    "title_canon_sha256": "2fab3e5fe19b56319845e9b270d848f145ad40f383ff4999f0d1c5afa0ea9515"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.7501",
    "kind": "arxiv",
    "version": 1
  }
}