Pith Number

pith:F2RXCVQN

pith:2013:F2RXCVQNLX2RVE4O6GGE263ZOA

not attested not anchored not stored refs pending

Explicit construction of companion bases

Mark James Parsons

arxiv:1312.0320 v1 · 2013-12-02 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F2RXCVQNLX2RVE4O6GGE263ZOA}

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	2026-05-18T03:05:46.072808Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ea371560d5df51a938ef18c4d7b79702e129b6abe85251a4b8f460cc437843e

Aliases

arxiv: 1312.0320 · arxiv_version: 1312.0320v1 · doi: 10.48550/arxiv.1312.0320 · pith_short_12: F2RXCVQNLX2R · pith_short_16: F2RXCVQNLX2RVE4O · pith_short_8: F2RXCVQN

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/F2RXCVQNLX2RVE4O6GGE263ZOA \
  | 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: 2ea371560d5df51a938ef18c4d7b79702e129b6abe85251a4b8f460cc437843e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8264e99bed8b7f82b1933d74db4e1036f8585d4e619b761ab20209dba7bd27c8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2013-12-02T04:02:28Z",
    "title_canon_sha256": "5ebdbf2c8abdeeba2c9895d886c7dafe38f413720537c718a5fc2fb1ad66b700"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.0320",
    "kind": "arxiv",
    "version": 1
  }
}