Pith Number

pith:OJZSDADC

pith:2012:OJZSDADCZFFFOVIBABDK4RNCCT

not attested not anchored not stored refs pending

Upper Bounds on the Number of Codewords of Some Separating Codes

Myong-Son Sin, Ok-Hyon Song, Ryul Kim

arxiv:1208.2076 v2 · 2012-08-10 · cs.IT · cs.CR · 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{OJZSDADCZFFFOVIBABDK4RNCCT}

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	2026-05-18T03:06:32.870567Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7273218062c94a5755010046ae45a214cbb762cdb6b18a017395e9a27b823517

Aliases

arxiv: 1208.2076 · arxiv_version: 1208.2076v2 · doi: 10.48550/arxiv.1208.2076 · pith_short_12: OJZSDADCZFFF · pith_short_16: OJZSDADCZFFFOVIB · pith_short_8: OJZSDADC

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/OJZSDADCZFFFOVIBABDK4RNCCT \
  | 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: 7273218062c94a5755010046ae45a214cbb762cdb6b18a017395e9a27b823517

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02cdec5039b5f1a412764dbd89f1a89e68dba2f18c5a445867d62e77b2eb5d9c",
    "cross_cats_sorted": [
      "cs.CR",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-08-10T02:05:44Z",
    "title_canon_sha256": "94cbe3a8f03b88030296b8cc851a68cb667f022941bf718dbfe4ea491027ebd1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.2076",
    "kind": "arxiv",
    "version": 2
  }
}