Pith Number

pith:RJD5STNP

pith:2014:RJD5STNPAYRFRXX6TAWJALTZIO

not attested not anchored not stored refs pending

Fermat's Last Theorem over some small real quadratic fields

Nuno Freitas, Samir Siksek

arxiv:1407.4435 v2 · 2014-07-16 · 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{RJD5STNPAYRFRXX6TAWJALTZIO}

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	2026-05-18T01:22:22.012945Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a47d94daf062258defe982c902e7943ba350ed5e15d9b02a50e77244118f44b

Aliases

arxiv: 1407.4435 · arxiv_version: 1407.4435v2 · doi: 10.48550/arxiv.1407.4435 · pith_short_12: RJD5STNPAYRF · pith_short_16: RJD5STNPAYRFRXX6 · pith_short_8: RJD5STNP

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/RJD5STNPAYRFRXX6TAWJALTZIO \
  | 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: 8a47d94daf062258defe982c902e7943ba350ed5e15d9b02a50e77244118f44b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18574f594e828ef91129996e8ace86998086a61dcfdfe43015df27192a4ea6e0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2014-07-16T19:22:33Z",
    "title_canon_sha256": "b93ef1ae5508b526610ee276e2fa1c55d4c712a9696f0019573fdcda1bf3c6f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.4435",
    "kind": "arxiv",
    "version": 2
  }
}