Pith Number

pith:DGACGIUY

pith:2010:DGACGIUYU3XPFITWTIRZD75N66

not attested not anchored not stored refs pending

Universal Cycles for Minimum Coverings of Pairs by Triples, with Application to 2-Radius Sequences

San Ling, Xiande Zhang, Yeow Meng Chee, Yin Tan

arxiv:1008.1608 v1 · 2010-08-10 · 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{DGACGIUYU3XPFITWTIRZD75N66}

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	2026-05-18T04:42:23.721056Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1980232298a6eef2a2769a2391ffadf787b1188baeacb4cd25a9d757381f2407

Aliases

arxiv: 1008.1608 · arxiv_version: 1008.1608v1 · doi: 10.48550/arxiv.1008.1608 · pith_short_12: DGACGIUYU3XP · pith_short_16: DGACGIUYU3XPFITW · pith_short_8: DGACGIUY

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/DGACGIUYU3XPFITWTIRZD75N66 \
  | 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: 1980232298a6eef2a2769a2391ffadf787b1188baeacb4cd25a9d757381f2407

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e1b4ab4afbef0b549bd6908e8c20a7f9bced89b15b9d33ed9de129c90bb848b8",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2010-08-10T00:49:08Z",
    "title_canon_sha256": "e80bd95cdcc864852110e47e98a76a3bad7564e4ce33f25a11bfd6702e1c3d8f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.1608",
    "kind": "arxiv",
    "version": 1
  }
}