Pith Number

pith:LMVLK44J

pith:2018:LMVLK44JOAFGR52UFVLMR6DUIV

not attested not anchored not stored refs pending

Erd\H{o}s-Rado Classes

Will Boney

arxiv:1810.01513 v4 · 2018-10-02 · 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{LMVLK44JOAFGR52UFVLMR6DUIV}

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	2026-06-12T00:07:47.868191Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5b2ab57389700a68f7542d56c8f87445419129a81e2ad1245f1dfb4e924c6f64

Aliases

arxiv: 1810.01513 · arxiv_version: 1810.01513v4 · doi: 10.48550/arxiv.1810.01513 · pith_short_12: LMVLK44JOAFG · pith_short_16: LMVLK44JOAFGR52U · pith_short_8: LMVLK44J

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/LMVLK44JOAFGR52UFVLMR6DUIV \
  | 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: 5b2ab57389700a68f7542d56c8f87445419129a81e2ad1245f1dfb4e924c6f64

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "713a62026b340d8f19ea03dfa1fca8bd9f177fe21978e047868e0cee0bc14403",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2018-10-02T21:07:27Z",
    "title_canon_sha256": "26b658a882a6752b207e0b875366c5482854110c8dccde7594f334211dc047fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.01513",
    "kind": "arxiv",
    "version": 4
  }
}