Pith Number

pith:5F2YSWIL

pith:2026:5F2YSWIL5JOO7GJICG6WC7GG4C

not attested not anchored not stored refs pending

Counting q-Matroids

Benjamin Jany, Relinde Jurrius, Rudi Pendavingh

arxiv:2606.20348 v1 · 2026-06-18 · 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{5F2YSWIL5JOO7GJICG6WC7GG4C}

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	2026-06-19T16:13:09.540148Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e97589590bea5cef992811bd617cc6e0b4c8e1ae6071dcdc594d454249dd66fe

Aliases

arxiv: 2606.20348 · arxiv_version: 2606.20348v1 · doi: 10.48550/arxiv.2606.20348 · pith_short_12: 5F2YSWIL5JOO · pith_short_16: 5F2YSWIL5JOO7GJI · pith_short_8: 5F2YSWIL

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/5F2YSWIL5JOO7GJICG6WC7GG4C \
  | 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: e97589590bea5cef992811bd617cc6e0b4c8e1ae6071dcdc594d454249dd66fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26c8101f2cdc5effe839292ec0900b836d802957c875b6a581a47223ea5ebf50",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2026-06-18T15:16:20Z",
    "title_canon_sha256": "7f9bf6da8290c2246952c3e933b42d352e050c0607ee9f507f0636e02b10d0fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.20348",
    "kind": "arxiv",
    "version": 1
  }
}