Pith Number

pith:NMUWQV4S

pith:2012:NMUWQV4SYSAMYSDUFSZ5USC547

not attested not anchored not stored refs pending

A new method for constructing small-bias spaces from Hermitian codes

Olav Geil, Ryutaroh Matsumoto, Stefano Martin

arxiv:1203.0491 v1 · 2012-03-02 · math.AC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NMUWQV4SYSAMYSDUFSZ5USC547}

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	2026-05-18T03:49:47.270259Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b29685792c480cc48742cb3da485de7de62fc6d747c24cb3935ea0aa94cad2b

Aliases

arxiv: 1203.0491 · arxiv_version: 1203.0491v1 · doi: 10.48550/arxiv.1203.0491 · pith_short_12: NMUWQV4SYSAM · pith_short_16: NMUWQV4SYSAMYSDU · pith_short_8: NMUWQV4S

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/NMUWQV4SYSAMYSDUFSZ5USC547 \
  | 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: 6b29685792c480cc48742cb3da485de7de62fc6d747c24cb3935ea0aa94cad2b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc02510fe73c81e75b6c6e85ef00026f0b435b806414dcbf86dd2fc1051cf09c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2012-03-02T15:22:58Z",
    "title_canon_sha256": "910e0bec87feb37bb594bc66c534fe73213bb724853cf997eede9ed66ba6f1f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.0491",
    "kind": "arxiv",
    "version": 1
  }
}