Pith Number

pith:U66IALWC

pith:2013:U66IALWCJA6OPH2XSGFEJX3LDQ

not attested not anchored not stored refs pending

On Double Sequences

Huseyin Cakalli, Richard F. Patterson

arxiv:1312.6602 v1 · 2013-12-20 · 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{U66IALWCJA6OPH2XSGFEJX3LDQ}

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	2026-05-18T03:03:57.782238Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7bc802ec2483ce79f57918a44df6b1c261cd267a46423f7f74c4d5633b08dca

Aliases

arxiv: 1312.6602 · arxiv_version: 1312.6602v1 · doi: 10.48550/arxiv.1312.6602 · pith_short_12: U66IALWCJA6O · pith_short_16: U66IALWCJA6OPH2X · pith_short_8: U66IALWC

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/U66IALWCJA6OPH2XSGFEJX3LDQ \
  | 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: a7bc802ec2483ce79f57918a44df6b1c261cd267a46423f7f74c4d5633b08dca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58c70e28730225f55de225d108e8a6c6edd46165bf3c31832bb44ccc3462a648",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GM",
    "submitted_at": "2013-12-20T10:27:23Z",
    "title_canon_sha256": "7af88879900a1d76950be1c6f5a004ea3666c9e2fa9c8ccd1d4b2e8ed33bc53b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.6602",
    "kind": "arxiv",
    "version": 1
  }
}