Pith Number

pith:7OBPU5SR

pith:2014:7OBPU5SRWPKNIVRVSHAMAZAXQI

not attested not anchored not stored refs pending

On the Existence of Certain Optimal Self-Dual Codes with Lengths Between $74$ and $116$

Gennian Ge, Jerod Michel, Tao Feng, Tao Zhang

arxiv:1405.7538 v1 · 2014-05-29 · 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{7OBPU5SRWPKNIVRVSHAMAZAXQI}

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	2026-05-18T02:50:51.029123Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb82fa7651b3d4d4563591c0c06417820f89d6250daf6c118efbe2a42e43cbfb

Aliases

arxiv: 1405.7538 · arxiv_version: 1405.7538v1 · doi: 10.48550/arxiv.1405.7538 · pith_short_12: 7OBPU5SRWPKN · pith_short_16: 7OBPU5SRWPKNIVRV · pith_short_8: 7OBPU5SR

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/7OBPU5SRWPKNIVRVSHAMAZAXQI \
  | 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: fb82fa7651b3d4d4563591c0c06417820f89d6250daf6c118efbe2a42e43cbfb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe8299bb861047540bf84927479d3b30b072ccdfa45e9cddf7940c1afe3ac3e4",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2014-05-29T12:40:12Z",
    "title_canon_sha256": "ad8b16244f545071512cb4421e40ba2948b1a0fe12b95b552b1ac72601f515be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.7538",
    "kind": "arxiv",
    "version": 1
  }
}