Pith Number

pith:M2XVMOUN

pith:2008:M2XVMOUNJDDJXIMT2KCUMB3OGD

not attested not anchored not stored refs pending

Asymptotic Bound on Binary Self-Orthogonal Codes

Yang Ding

arxiv:0804.4194 v1 · 2008-04-26 · 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{M2XVMOUNJDDJXIMT2KCUMB3OGD}

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	2026-05-18T02:15:53.350039Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66af563a8d48c69ba193d28546076e30f37c82ec1de6fa0184fbe0f67d0821ab

Aliases

arxiv: 0804.4194 · arxiv_version: 0804.4194v1 · doi: 10.48550/arxiv.0804.4194 · pith_short_12: M2XVMOUNJDDJ · pith_short_16: M2XVMOUNJDDJXIMT · pith_short_8: M2XVMOUN

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/M2XVMOUNJDDJXIMT2KCUMB3OGD \
  | 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: 66af563a8d48c69ba193d28546076e30f37c82ec1de6fa0184fbe0f67d0821ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17ed3943d71032d1b278c6a18d91d7754c9e1765e9733b2867efdd543afc2762",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2008-04-26T01:45:27Z",
    "title_canon_sha256": "12d4a69117eac974f589e623bf0e28371533230d8318f8409e6682fe17bfee2c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0804.4194",
    "kind": "arxiv",
    "version": 1
  }
}