Pith Number

pith:OF64ZALV

pith:2015:OF64ZALV5UMPYVGGKUBX64T3S3

not attested not anchored not stored refs pending

Increasing the minimum distance of codes by twisting

Cheryl E. Praeger, Marzieh Akbari, Neil I. Gillespie

arxiv:1511.07154 v1 · 2015-11-23 · math.CO · math.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OF64ZALV5UMPYVGGKUBX64T3S3}

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	2026-05-18T01:26:12.087944Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

717dcc8175ed18fc54c655037f727b96d46b405fd9d789f3d13b432be327ad6a

Aliases

arxiv: 1511.07154 · arxiv_version: 1511.07154v1 · doi: 10.48550/arxiv.1511.07154 · pith_short_12: OF64ZALV5UMP · pith_short_16: OF64ZALV5UMPYVGG · pith_short_8: OF64ZALV

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/OF64ZALV5UMPYVGGKUBX64T3S3 \
  | 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: 717dcc8175ed18fc54c655037f727b96d46b405fd9d789f3d13b432be327ad6a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb49e6c763eea290dc054009f10f098e2d6a7d90a793bee0a8f596cf3a1a8d29",
    "cross_cats_sorted": [
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2015-11-23T09:41:37Z",
    "title_canon_sha256": "980304e03e3ee3aab4aea831c1df2fa7e0a71dfcde6b21cd397d0af155854179"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.07154",
    "kind": "arxiv",
    "version": 1
  }
}