Pith Number

pith:B4EL4N3V

pith:2013:B4EL4N3VNNJFIG5B7JFVF4TWXS

not attested not anchored not stored refs pending

A Search Algorithm to Find Multiple Sets of One Dimensional Unipolar (Optical) Orthogonal Codes with Same Code-length and Low Weight

R. Asthana, R. C. S. Chauhan, Y. N. Singh

arxiv:1309.2250 v1 · 2013-09-09 · 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{B4EL4N3VNNJFIG5B7JFVF4TWXS}

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	2026-05-18T03:13:46.837113Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f08be37756b52541ba1fa4b52f276bc8bfd1d3ec24f22959a5e1e33e225fe7a

Aliases

arxiv: 1309.2250 · arxiv_version: 1309.2250v1 · doi: 10.48550/arxiv.1309.2250 · pith_short_12: B4EL4N3VNNJF · pith_short_16: B4EL4N3VNNJFIG5B · pith_short_8: B4EL4N3V

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/B4EL4N3VNNJFIG5B7JFVF4TWXS \
  | 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: 0f08be37756b52541ba1fa4b52f276bc8bfd1d3ec24f22959a5e1e33e225fe7a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e2947786500ef9026ae1e06b3bfe261ccd11e4657ee27abf94d64667a18c4aa",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-09-09T18:33:36Z",
    "title_canon_sha256": "9ce94150d3c83d0baca500982348d6ec1903055af147c7321033981f1f028a8d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.2250",
    "kind": "arxiv",
    "version": 1
  }
}