Pith Number

pith:JLHJFO3O

pith:2015:JLHJFO3OM7IVRGYYCMA7I3YRD6

not attested not anchored not stored refs pending

Fast integer multiplication using generalized Fermat primes

Emmanuel Thom\'e (CARAMBA), Svyatoslav Covanov (CARAMBA)

arxiv:1502.02800 v4 · 2015-02-10 · cs.SC · cs.CC · cs.DM · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JLHJFO3OM7IVRGYYCMA7I3YRD6}

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	2026-05-18T00:18:27.210375Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ace92bb6e67d1589b181301f46f111fadf3bcf877e90dfc8277679f0408d6f6

Aliases

arxiv: 1502.02800 · arxiv_version: 1502.02800v4 · doi: 10.48550/arxiv.1502.02800 · pith_short_12: JLHJFO3OM7IV · pith_short_16: JLHJFO3OM7IVRGYY · pith_short_8: JLHJFO3O

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/JLHJFO3OM7IVRGYYCMA7I3YRD6 \
  | 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: 4ace92bb6e67d1589b181301f46f111fadf3bcf877e90dfc8277679f0408d6f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26744ea7bcdae224b6d4141e7c48d0ae921f6476a30a49db01a93b510ee8ea13",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.DM",
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SC",
    "submitted_at": "2015-02-10T07:15:16Z",
    "title_canon_sha256": "364fb243bca9f0a89005b6ee0474c201b821d73e15df2ac719a651cc0be3c80a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.02800",
    "kind": "arxiv",
    "version": 4
  }
}