Pith Number

pith:B3KTUOUP

pith:2017:B3KTUOUPY4HQVR5XK7DDTTP5VJ

not attested not anchored not stored refs pending

Algebraic matroids and Frobenius flocks

Guus Bollen, Jan Draisma, Rudi Pendavingh

arxiv:1701.06384 v4 · 2017-01-23 · math.CO · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B3KTUOUPY4HQVR5XK7DDTTP5VJ}

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	2026-05-18T00:29:51.885839Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ed53a3a8fc70f0ac7b757c639cdfdaa54ce3961529e70b65a6b54fabc3e28f0

Aliases

arxiv: 1701.06384 · arxiv_version: 1701.06384v4 · doi: 10.48550/arxiv.1701.06384 · pith_short_12: B3KTUOUPY4HQ · pith_short_16: B3KTUOUPY4HQVR5X · pith_short_8: B3KTUOUP

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/B3KTUOUPY4HQVR5XK7DDTTP5VJ \
  | 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: 0ed53a3a8fc70f0ac7b757c639cdfdaa54ce3961529e70b65a6b54fabc3e28f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f7ea34a43d2aa8b47bde2ba2441fbb49d16557e74e4eed792f707a428270bd3",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-01-23T13:43:21Z",
    "title_canon_sha256": "c549e890324c7a611bbb79460b403436a4690e79b98f447f008a827d980e08be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.06384",
    "kind": "arxiv",
    "version": 4
  }
}