Pith Number

pith:OMHYOCFH

pith:2011:OMHYOCFH7CBARXZV4F7N45MQOS

not attested not anchored not stored refs pending

Cyclotomic Constructions of Skew Hadamard Difference Sets

Qing Xiang, Tao Feng

arxiv:1101.2994 v2 · 2011-01-15 · 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{OMHYOCFH7CBARXZV4F7N45MQOS}

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	2026-05-18T04:13:57.346815Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

730f8708a7f88208df35e17ede75907485267c7b688f408f338c98c97d18b4a8

Aliases

arxiv: 1101.2994 · arxiv_version: 1101.2994v2 · doi: 10.48550/arxiv.1101.2994 · pith_short_12: OMHYOCFH7CBA · pith_short_16: OMHYOCFH7CBARXZV · pith_short_8: OMHYOCFH

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/OMHYOCFH7CBARXZV4F7N45MQOS \
  | 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: 730f8708a7f88208df35e17ede75907485267c7b688f408f338c98c97d18b4a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e63f0c095182b5573f23a005d8ea97b203e5e69f93a9cb7732fa535d2519a78",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2011-01-15T15:53:39Z",
    "title_canon_sha256": "8c5819b1ce3a6bd2fc1c1abf69cc2d0221ec39ceafe25006dfc9a5255fed6993"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.2994",
    "kind": "arxiv",
    "version": 2
  }
}