Pith Number

pith:S3RZRF4Y

pith:2014:S3RZRF4Y5LISZXJA3OWVSX2LZX

not attested not anchored not stored refs pending

Hadamard Z2Z4Q8-codes. Constructions based on the rank and dimension of the kernel

J. Rif\`a, P. Montolio

arxiv:1405.3780 v1 · 2014-05-15 · 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{S3RZRF4Y5LISZXJA3OWVSX2LZX}

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	2026-05-18T02:51:49.288489Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

96e3989798ead12cdd20dbad595f4bcdcfd6e978c230310985c4e0c3f1296fbc

Aliases

arxiv: 1405.3780 · arxiv_version: 1405.3780v1 · doi: 10.48550/arxiv.1405.3780 · pith_short_12: S3RZRF4Y5LIS · pith_short_16: S3RZRF4Y5LISZXJA · pith_short_8: S3RZRF4Y

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/S3RZRF4Y5LISZXJA3OWVSX2LZX \
  | 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: 96e3989798ead12cdd20dbad595f4bcdcfd6e978c230310985c4e0c3f1296fbc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "550f047dbd80fe21ef7c0a22b716ad23f232e5a835eab1631704b1ce55ceb6f7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-05-15T09:46:32Z",
    "title_canon_sha256": "a32cc4a5208dfffe41154f35667ac0ca23e7383cdb91402e89426c1497ba7bbe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.3780",
    "kind": "arxiv",
    "version": 1
  }
}