Pith Number

pith:XZ47MX7S

pith:2014:XZ47MX7SNLMYA5OIZQSMV4LIOV

not attested not anchored not stored refs pending

Supernatural numbers and a new topology on the arithmetic site

Lieven Le Bruyn

arxiv:1407.5538 v2 · 2014-07-21 · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XZ47MX7SNLMYA5OIZQSMV4LIOV}

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	2026-05-18T02:46:22.466683Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be79f65ff26ad98075c8cc24caf168755aee81d45ad1f08f4dfbae1ed521a404

Aliases

arxiv: 1407.5538 · arxiv_version: 1407.5538v2 · doi: 10.48550/arxiv.1407.5538 · pith_short_12: XZ47MX7SNLMY · pith_short_16: XZ47MX7SNLMYA5OI · pith_short_8: XZ47MX7S

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/XZ47MX7SNLMYA5OIZQSMV4LIOV \
  | 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: be79f65ff26ad98075c8cc24caf168755aee81d45ad1f08f4dfbae1ed521a404

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b94d0adc95aad203d64c3ad7b64c324b20e3ade2115d4df767f8954a606bcf48",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2014-07-21T15:45:10Z",
    "title_canon_sha256": "e1980e0ef390d15a1e48faf3f71ae48c116c59fc607c2b28d391b37854f22c17"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.5538",
    "kind": "arxiv",
    "version": 2
  }
}