Pith Number

pith:LMOTMUR2

pith:2018:LMOTMUR2WJCYDJ65XDK7KTRIYI

not attested not anchored not stored refs pending

On omega-categorical structures with few finite substructures

Pierre Simon

arxiv:1810.06531 v1 · 2018-10-15 · math.LO · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LMOTMUR2WJCYDJ65XDK7KTRIYI}

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	2026-05-18T00:03:20.322100Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5b1d36523ab24581a7ddb8d5f54e28c21a211ee0c456b9474e538306f8c4baa1

Aliases

arxiv: 1810.06531 · arxiv_version: 1810.06531v1 · doi: 10.48550/arxiv.1810.06531 · pith_short_12: LMOTMUR2WJCY · pith_short_16: LMOTMUR2WJCYDJ65 · pith_short_8: LMOTMUR2

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/LMOTMUR2WJCYDJ65XDK7KTRIYI \
  | 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: 5b1d36523ab24581a7ddb8d5f54e28c21a211ee0c456b9474e538306f8c4baa1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "662186a81ec5e5faf10d530f7def1a7b3cae9fdc55acc1c9b79d300dafcff22b",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2018-10-15T17:31:27Z",
    "title_canon_sha256": "6b05f8874f8221f26cc07997a28c70be42d28025dc78132ef94ee0510f31a3b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.06531",
    "kind": "arxiv",
    "version": 1
  }
}