Pith Number

pith:UY6MP7ET

pith:2009:UY6MP7ETGDU3VACXEFL4XANEBR

not attested not anchored not stored refs pending

The Perfect Binary One-Error-Correcting Codes of Length 15: Part II--Properties

Kevin T. Phelps, Olli Pottonen, Patric R. J. \"Osterg{\aa}rd

arxiv:0903.2749 v2 · 2009-03-16 · 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{UY6MP7ETGDU3VACXEFL4XANEBR}

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	2026-05-18T04:39:50.477346Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a63cc7fc9330e9ba80572157cb81a40c40580e0fc3ab207d502a54e854e35f95

Aliases

arxiv: 0903.2749 · arxiv_version: 0903.2749v2 · doi: 10.48550/arxiv.0903.2749 · pith_short_12: UY6MP7ETGDU3 · pith_short_16: UY6MP7ETGDU3VACX · pith_short_8: UY6MP7ET

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/UY6MP7ETGDU3VACXEFL4XANEBR \
  | 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: a63cc7fc9330e9ba80572157cb81a40c40580e0fc3ab207d502a54e854e35f95

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7606cb03ee7f8ff82da5e8e82df0956db9f94b66fe17cb045d664562234c9da6",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2009-03-16T13:04:36Z",
    "title_canon_sha256": "d1e2b09f3042b7b1ab6f8c8716c1aa87dc711d84c38ddf1dfb9f8c3237629921"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.2749",
    "kind": "arxiv",
    "version": 2
  }
}