Pith Number

pith:5KYZN7RO

pith:2009:5KYZN7ROOZ2O6UHKBS2LUMBDSM

not attested not anchored not stored refs pending

Maltsev digraphs have a majority polymorphism

Alexandr Kazda

arxiv:0912.4035 v2 · 2009-12-21 · 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{5KYZN7ROOZ2O6UHKBS2LUMBDSM}

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	2026-05-18T04:12:55.109057Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eab196fe2e7674ef50ea0cb4ba302393331b1faab0689a384b6642f6b5b17eec

Aliases

arxiv: 0912.4035 · arxiv_version: 0912.4035v2 · doi: 10.48550/arxiv.0912.4035 · pith_short_12: 5KYZN7ROOZ2O · pith_short_16: 5KYZN7ROOZ2O6UHK · pith_short_8: 5KYZN7RO

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/5KYZN7ROOZ2O6UHKBS2LUMBDSM \
  | 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: eab196fe2e7674ef50ea0cb4ba302393331b1faab0689a384b6642f6b5b17eec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "474569d3921015ec437fa2ee794dd592d7535be9585ca9bc00fa6a34cac3a9f7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2009-12-21T20:21:13Z",
    "title_canon_sha256": "f5a65be9c2bf3443235065a8d148be2af16e67e4965f84451a5778a6765707be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.4035",
    "kind": "arxiv",
    "version": 2
  }
}