Pith Number

pith:6ANBZGDD

pith:2016:6ANBZGDDPDBMPMDMJE7YFB5TLY

not attested not anchored not stored refs pending

Expect at most one billionth of a new Fermat Prime!

John H. Conway, Kent D. Boklan

arxiv:1605.01371 v2 · 2016-05-04 · math.NT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6ANBZGDDPDBMPMDMJE7YFB5TLY}

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	2026-05-18T01:15:22.231550Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f01a1c986378c2c7b06c493f8287b35e3b1461c1a4f38508932c320a286342ac

Aliases

arxiv: 1605.01371 · arxiv_version: 1605.01371v2 · doi: 10.48550/arxiv.1605.01371 · pith_short_12: 6ANBZGDDPDBM · pith_short_16: 6ANBZGDDPDBMPMDM · pith_short_8: 6ANBZGDD

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/6ANBZGDDPDBMPMDMJE7YFB5TLY \
  | 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: f01a1c986378c2c7b06c493f8287b35e3b1461c1a4f38508932c320a286342ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9de1797ba933336043a94bf762b73a8e06a7e673485f2eabd79c8e57a64c76c6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2016-05-04T18:18:19Z",
    "title_canon_sha256": "0b1811cf6576261f1e1af73c4144bc38f6073365e08c2a7308b3d6fbbc33395a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.01371",
    "kind": "arxiv",
    "version": 2
  }
}