Pith Number

pith:BJ6H32KM

pith:2012:BJ6H32KMHS7F75LX45H3EIWFTU

not attested not anchored not stored refs pending

Twin Prime Sieve

H. J. Weber

arxiv:1203.5240 v7 · 2012-03-23 · math.GM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BJ6H32KMHS7F75LX45H3EIWFTU}

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	2026-05-18T02:52:04.383404Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a7c7de94c3cbe5ff577e74fb222c59d2bc814399ecd24ceeba3a1a274c97d04

Aliases

arxiv: 1203.5240 · arxiv_version: 1203.5240v7 · doi: 10.48550/arxiv.1203.5240 · pith_short_12: BJ6H32KMHS7F · pith_short_16: BJ6H32KMHS7F75LX · pith_short_8: BJ6H32KM

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/BJ6H32KMHS7F75LX45H3EIWFTU \
  | 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: 0a7c7de94c3cbe5ff577e74fb222c59d2bc814399ecd24ceeba3a1a274c97d04

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "54f05f7f0eeab6925606009254d5637a14579dc6448b6626e8b615e5a528ab6e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GM",
    "submitted_at": "2012-03-23T13:56:50Z",
    "title_canon_sha256": "f709c02fb21b0ab0672f3ac9a0c0b9154d10df132d46b55763faf710a6cfe57b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.5240",
    "kind": "arxiv",
    "version": 7
  }
}