Pith Number

pith:WRR5ABFY

pith:2013:WRR5ABFY7C4MEPGMCO7A2LBBEG

not attested not anchored not stored refs pending

Fault-Tolerant Modular Reconstruction of Rational Numbers

John Abbott

arxiv:1303.2965 v2 · 2013-03-12 · 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{WRR5ABFY7C4MEPGMCO7A2LBBEG}

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	2026-05-18T01:36:36.227572Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b463d004b8f8b8c23ccc13be0d2c2121bbc3d3d049133520b761acd4ace83679

Aliases

arxiv: 1303.2965 · arxiv_version: 1303.2965v2 · doi: 10.48550/arxiv.1303.2965 · pith_short_12: WRR5ABFY7C4M · pith_short_16: WRR5ABFY7C4MEPGM · pith_short_8: WRR5ABFY

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/WRR5ABFY7C4MEPGMCO7A2LBBEG \
  | 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: b463d004b8f8b8c23ccc13be0d2c2121bbc3d3d049133520b761acd4ace83679

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8859721cccc58dfb9bb4c1d949c0cf9e2247886b769d22fe08bae144e709a6b0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2013-03-12T17:42:11Z",
    "title_canon_sha256": "9ad8abc27a9de59b7625186a69bcee61f5dca03126de88e4c0b3d367a3abcadf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.2965",
    "kind": "arxiv",
    "version": 2
  }
}