Pith Number

pith:ZAY774M5

pith:2012:ZAY774M5MTKMN57KVXLJS2E5PG

not attested not anchored not stored refs pending

New results on variants of covering codes in Sierpinski graphs

Aline Parreau (IF), Julien Moncel (LAAS), Matjaz Kovse (LaBRI), Michel Mollard (IF), Sylvain Gravier (IF)

arxiv:1201.1202 v1 · 2012-01-05 · 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{ZAY774M5MTKMN57KVXLJS2E5PG}

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	2026-05-18T04:05:05.736124Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c831fff19d64d4c6f7eaadd699689d79b381ed785ff20971d93bdcb81d8e4952

Aliases

arxiv: 1201.1202 · arxiv_version: 1201.1202v1 · doi: 10.48550/arxiv.1201.1202 · pith_short_12: ZAY774M5MTKM · pith_short_16: ZAY774M5MTKMN57K · pith_short_8: ZAY774M5

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/ZAY774M5MTKMN57KVXLJS2E5PG \
  | 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: c831fff19d64d4c6f7eaadd699689d79b381ed785ff20971d93bdcb81d8e4952

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e8354e25fd6f85bc6aec80cc20bd311a57ddfbcbec8881da928b3561c5cd968e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2012-01-05T15:48:54Z",
    "title_canon_sha256": "7055f9782e1050620c983cd710a14df9ef993bf6b466c2cc85653eca2fdb1986"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.1202",
    "kind": "arxiv",
    "version": 1
  }
}