Pith Number

pith:SXMPSRLI

pith:2010:SXMPSRLID3A2Q66KNUNAKZ25ER

not attested not anchored not stored refs pending

Some New Bounds For Cover-Free Families Through Biclique Cover

Farokhlagha Moazami, Hossein Hajiabolhassan

arxiv:1008.3691 v2 · 2010-08-22 · math.CO · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SXMPSRLID3A2Q66KNUNAKZ25ER}

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	2026-05-18T04:16:02.418637Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95d8f945681ec1a87bca6d1a05675d24634e7b95264e37b7aa7d30ac883342a3

Aliases

arxiv: 1008.3691 · arxiv_version: 1008.3691v2 · doi: 10.48550/arxiv.1008.3691 · pith_short_12: SXMPSRLID3A2 · pith_short_16: SXMPSRLID3A2Q66K · pith_short_8: SXMPSRLI

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/SXMPSRLID3A2Q66KNUNAKZ25ER \
  | 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: 95d8f945681ec1a87bca6d1a05675d24634e7b95264e37b7aa7d30ac883342a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5657e033349330a65cef5688c6ac33c3634480d0248706fa6d63feee196f5d18",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2010-08-22T10:31:16Z",
    "title_canon_sha256": "e574360ca9c0ffb4f76dc949bcd6a2362217bad728c20fdc9f0272ccb6aef749"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.3691",
    "kind": "arxiv",
    "version": 2
  }
}