Pith Number

pith:BY64F6LU

pith:2018:BY64F6LUGMCG27ABSQRAAMEVVI

not attested not anchored not stored refs pending

Choosing 1 of N with and without lucky numbers

Matthew Brand

arxiv:1808.07994 v1 · 2018-08-24 · 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{BY64F6LUGMCG27ABSQRAAMEVVI}

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	2026-05-18T00:07:22.809256Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e3dc2f97433046d7c019422003095aa284a8f76c1743a9c46b7dbc51263b7fb

Aliases

arxiv: 1808.07994 · arxiv_version: 1808.07994v1 · doi: 10.48550/arxiv.1808.07994 · pith_short_12: BY64F6LUGMCG · pith_short_16: BY64F6LUGMCG27AB · pith_short_8: BY64F6LU

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/BY64F6LUGMCG27ABSQRAAMEVVI \
  | 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: 0e3dc2f97433046d7c019422003095aa284a8f76c1743a9c46b7dbc51263b7fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c92344101dbfc830eada9ae9c617b3ef61664c293467f36c660931de89c98dd0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2018-08-24T03:24:27Z",
    "title_canon_sha256": "242c649ed1f76064ae5a1108d787bd7ac1652f2016f84e00a843531cb861ec46"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.07994",
    "kind": "arxiv",
    "version": 1
  }
}