Pith Number

pith:NMZ2XQVT

pith:2011:NMZ2XQVT7YEKPL2CY5JTSFI4NA

not attested not anchored not stored refs pending

CSP for binary conservative relational structures

Alexandr Kazda

arxiv:1112.1099 v2 · 2011-12-05 · 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{NMZ2XQVT7YEKPL2CY5JTSFI4NA}

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	2026-05-18T01:21:03.174925Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b33abc2b3fe08a7af42c75339151c682483dd506d61221b6b697e402b95978a

Aliases

arxiv: 1112.1099 · arxiv_version: 1112.1099v2 · doi: 10.48550/arxiv.1112.1099 · pith_short_12: NMZ2XQVT7YEK · pith_short_16: NMZ2XQVT7YEKPL2C · pith_short_8: NMZ2XQVT

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/NMZ2XQVT7YEKPL2CY5JTSFI4NA \
  | 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: 6b33abc2b3fe08a7af42c75339151c682483dd506d61221b6b697e402b95978a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c8c8aa69ad4d70678ee2977a5214562f8bfb5fa426c4133f031ad582df80cc7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2011-12-05T21:32:40Z",
    "title_canon_sha256": "6e03d42b647bcca1a89c96bb9be7bdd4a3c7d857c8f9fc5cb34bbbbc2a011beb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.1099",
    "kind": "arxiv",
    "version": 2
  }
}