Pith Number

pith:SQWLIM42

pith:2014:SQWLIM42HKOSSC5BBRWCODSF3U

not attested not anchored not stored refs pending

On A Generalization of "Eight Blocks to Madness"

Kazuya Haraguchi

arxiv:1408.3696 v2 · 2014-08-16 · cs.DM · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SQWLIM42HKOSSC5BBRWCODSF3U}

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	2026-05-18T01:25:24.712229Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

942cb4339a3a9d290ba10c6c270e45dd04737b3b5db76bf4e7ea447b887d235f

Aliases

arxiv: 1408.3696 · arxiv_version: 1408.3696v2 · doi: 10.48550/arxiv.1408.3696 · pith_short_12: SQWLIM42HKOS · pith_short_16: SQWLIM42HKOSSC5B · pith_short_8: SQWLIM42

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/SQWLIM42HKOSSC5BBRWCODSF3U \
  | 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: 942cb4339a3a9d290ba10c6c270e45dd04737b3b5db76bf4e7ea447b887d235f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38a5d8315472dbdcc488793d43a0209b08eba2673d4ab1d36f52b25e59503f5b",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2014-08-16T03:15:00Z",
    "title_canon_sha256": "bd8dd5eec748f914f77d165f8e860eb14ae565c3e164aa95eb2b2a0db13bf855"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.3696",
    "kind": "arxiv",
    "version": 2
  }
}