Pith Number

pith:SWOJEOAX

pith:2018:SWOJEOAXGBUEA25H2HDRELTUIH

not attested not anchored not stored refs pending

The Small-Is-Very-Small Principle

Albert Visser

arxiv:1805.01178 v1 · 2018-05-03 · 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{SWOJEOAXGBUEA25H2HDRELTUIH}

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	2026-05-18T00:16:52.311332Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

959c9238173068406ba7d1c7122e7441dedd1a9ef2371b8672ce3ca4f3375d12

Aliases

arxiv: 1805.01178 · arxiv_version: 1805.01178v1 · doi: 10.48550/arxiv.1805.01178 · pith_short_12: SWOJEOAXGBUE · pith_short_16: SWOJEOAXGBUEA25H · pith_short_8: SWOJEOAX

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/SWOJEOAXGBUEA25H2HDRELTUIH \
  | 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: 959c9238173068406ba7d1c7122e7441dedd1a9ef2371b8672ce3ca4f3375d12

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1cc0af10a64ac185cfba4e329d6987d5149f0d71819d4a6671b77b8fd575b9b4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2018-05-03T09:19:33Z",
    "title_canon_sha256": "eb40c66e458668fe1d9b751b0acd331bd542d1c38b62c3c0c682fca8d4e347e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.01178",
    "kind": "arxiv",
    "version": 1
  }
}