Pith Number

pith:GTKEB45M

pith:2019:GTKEB45MPQXABVKQ2AYECSLXUN

not attested not anchored not stored refs pending

Cyclic Flats of Binary Matroids

Camilla Hollanti, Matthias Grezet, Ragnar Freij-Hollanti, Thomas Westerb\"ack

arxiv:1906.10936 v1 · 2019-06-26 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GTKEB45MPQXABVKQ2AYECSLXUN}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-17T23:42:10.480966Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

34d440f3ac7c2e00d550d030414977a34f9287aaf4e22a7f3bf96dcb2a4dd708

Aliases

arxiv: 1906.10936 · arxiv_version: 1906.10936v1 · doi: 10.48550/arxiv.1906.10936 · pith_short_12: GTKEB45MPQXA · pith_short_16: GTKEB45MPQXABVKQ · pith_short_8: GTKEB45M

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/GTKEB45MPQXABVKQ2AYECSLXUN \
  | 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: 34d440f3ac7c2e00d550d030414977a34f9287aaf4e22a7f3bf96dcb2a4dd708

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a489f8d87f6147ddbc374ad184c5e00c59040a2b307057c8bbd77671e152417",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2019-06-26T09:34:18Z",
    "title_canon_sha256": "a288f893fe8c0f6e5024433a5424334a92da5d1eeaf1ed9424897d3bc76b1d95"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.10936",
    "kind": "arxiv",
    "version": 1
  }
}