Pith Number

pith:BVB2I4RA

pith:2014:BVB2I4RAEV6ROCVZJNJRGYGIPB

not attested not anchored not stored refs pending

The field of the Reals and the Random Graph are not Finite-Word Ordinal-Automatic

Alexander Kartzow

arxiv:1410.5197 v1 · 2014-10-20 · cs.FL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BVB2I4RAEV6ROCVZJNJRGYGIPB}

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	2026-05-18T02:39:46.625640Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d43a47220257d170ab94b531360c87858547c2588d7138bca3fc38b760d6896

Aliases

arxiv: 1410.5197 · arxiv_version: 1410.5197v1 · doi: 10.48550/arxiv.1410.5197 · pith_short_12: BVB2I4RAEV6R · pith_short_16: BVB2I4RAEV6ROCVZ · pith_short_8: BVB2I4RA

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/BVB2I4RAEV6ROCVZJNJRGYGIPB \
  | 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: 0d43a47220257d170ab94b531360c87858547c2588d7138bca3fc38b760d6896

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "446de29b1669f10a6e181092b2528144a7bf2072b1ec408b9b6aed6b9a368ee6",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2014-10-20T08:55:14Z",
    "title_canon_sha256": "daae0dd791945b64ecbb845887807c7e3f7139d8f8339c3c7b7e626eb4920ebd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.5197",
    "kind": "arxiv",
    "version": 1
  }
}