Pith Number

pith:7S4IFZVD

pith:2014:7S4IFZVDOWLMDPO54ZXAXUHOJT

not attested not anchored not stored refs pending

Using Simulated Annealing to Factor Numbers

Eric Lewin Altschuler, Timothy J. Williams

arxiv:1402.1201 v2 · 2014-02-03 · math.NT · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7S4IFZVDOWLMDPO54ZXAXUHOJT}

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	2026-05-18T02:59:05.718340Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fcb882e6a37596c1bddde66e0bd0ee4cf33e9275b81f9426d96c8632491e457f

Aliases

arxiv: 1402.1201 · arxiv_version: 1402.1201v2 · doi: 10.48550/arxiv.1402.1201 · pith_short_12: 7S4IFZVDOWLM · pith_short_16: 7S4IFZVDOWLMDPO5 · pith_short_8: 7S4IFZVD

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/7S4IFZVDOWLMDPO54ZXAXUHOJT \
  | 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: fcb882e6a37596c1bddde66e0bd0ee4cf33e9275b81f9426d96c8632491e457f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e96bf4cb3b0d67084f11e2ad6e03fc4d66ae17908c5d115eb529bd9ade550788",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2014-02-03T23:59:34Z",
    "title_canon_sha256": "80a091ad822202f9a1456f63a14bbf703b69a594b5b17926af42ba267f4aac10"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.1201",
    "kind": "arxiv",
    "version": 2
  }
}