Pith Number

pith:IBIFGQUW

pith:2012:IBIFGQUWFGEEEGQ2IHWRBN55DH

not attested not anchored not stored refs pending

Seven new champion linear codes

Alexander M. Kasprzyk, Gavin Brown

arxiv:1212.5197 v1 · 2012-12-20 · math.CO · 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{IBIFGQUWFGEEEGQ2IHWRBN55DH}

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	2026-05-18T03:25:34.739919Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40505342962988421a1a41ed10b7bd19e695bfdea5f4e8d8aeb96ba3e420dbfb

Aliases

arxiv: 1212.5197 · arxiv_version: 1212.5197v1 · doi: 10.48550/arxiv.1212.5197 · pith_short_12: IBIFGQUWFGEE · pith_short_16: IBIFGQUWFGEEEGQ2 · pith_short_8: IBIFGQUW

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/IBIFGQUWFGEEEGQ2IHWRBN55DH \
  | 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: 40505342962988421a1a41ed10b7bd19e695bfdea5f4e8d8aeb96ba3e420dbfb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e194bfe1baa94aba51ca3cef0e34d015289ac2bcb33d4743d787048f15af889",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2012-12-20T19:18:02Z",
    "title_canon_sha256": "39afc4d45943c0918da318d63e3c4f293c32e2688e5f407ab3f3d7fc64526212"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.5197",
    "kind": "arxiv",
    "version": 1
  }
}