Pith Number

pith:BLY2YB3D

pith:2014:BLY2YB3D4R73FISR777KS7LGKG

not attested not anchored not stored refs pending

Paperfolding infinite products and the gamma function

Jean-Paul Allouche

arxiv:1406.7407 v1 · 2014-06-28 · 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{BLY2YB3D4R73FISR777KS7LGKG}

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	2026-05-18T02:48:45.424123Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0af1ac0763e47fb2a251fffea97d6651b52c3e31af8753282a367a30cd229fc8

Aliases

arxiv: 1406.7407 · arxiv_version: 1406.7407v1 · doi: 10.48550/arxiv.1406.7407 · pith_short_12: BLY2YB3D4R73 · pith_short_16: BLY2YB3D4R73FISR · pith_short_8: BLY2YB3D

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/BLY2YB3D4R73FISR777KS7LGKG \
  | 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: 0af1ac0763e47fb2a251fffea97d6651b52c3e31af8753282a367a30cd229fc8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07430502582348b3a250af7f1b7fa6210ace17249e424324084069f6563b536d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2014-06-28T14:40:14Z",
    "title_canon_sha256": "e996e3977249c82595bdb7b8a4958e21f3315f968a47b077da9da8d383f05f8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.7407",
    "kind": "arxiv",
    "version": 1
  }
}