Pith Number

pith:D52O42E4

pith:2025:D52O42E4NS223FLHMFJ2P22TQR

not attested not anchored not stored refs pending

On de Bruijn Array Codes Part II: Linear Codes

Huimin Lao, Simon Blackburn, Tuvi Etzion, Yeow Meng Chee

arxiv:2501.12124 v4 · 2025-01-21 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D52O42E4NS223FLHMFJ2P22TQR}

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	2026-07-05T11:55:37.795100Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f74ee689c6cb5ad95676153a7eb53844595fa4508e3f22c2504a46705037c9b

Aliases

arxiv: 2501.12124 · arxiv_version: 2501.12124v4 · doi: 10.48550/arxiv.2501.12124 · pith_short_12: D52O42E4NS22 · pith_short_16: D52O42E4NS223FLH · pith_short_8: D52O42E4

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/D52O42E4NS223FLHMFJ2P22TQR \
  | 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: 1f74ee689c6cb5ad95676153a7eb53844595fa4508e3f22c2504a46705037c9b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "54d198c666ca678a98e37018ff568e9c9c252f9e76d4ac38049fc84038a4c20a",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2025-01-21T13:38:04Z",
    "title_canon_sha256": "b0bc508043cfdb4846d3337b189cd5973260fae82ec54d9e05ed67784743620b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.12124",
    "kind": "arxiv",
    "version": 4
  }
}