Pith Number

pith:RKQ6CNZT

pith:2015:RKQ6CNZTQQ4SAMVQDHCGNIH4UR

not attested not anchored not stored refs pending

K-Circular Matroids of Graphs

Alexander Kelmans, Jos\'e F. De Jes\'us

arxiv:1508.05364 v1 · 2015-08-21 · 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{RKQ6CNZTQQ4SAMVQDHCGNIH4UR}

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	2026-05-18T01:34:56.002378Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8aa1e1373384392032b019c466a0fca45f0aeb373c3e9fd0c1e9e36b4ee77340

Aliases

arxiv: 1508.05364 · arxiv_version: 1508.05364v1 · doi: 10.48550/arxiv.1508.05364 · pith_short_12: RKQ6CNZTQQ4S · pith_short_16: RKQ6CNZTQQ4SAMVQ · pith_short_8: RKQ6CNZT

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/RKQ6CNZTQQ4SAMVQDHCGNIH4UR \
  | 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: 8aa1e1373384392032b019c466a0fca45f0aeb373c3e9fd0c1e9e36b4ee77340

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da7434811097410cc8646e1b980338ec3ffd88cdb4ec7d4c6fe16d51dd2a2e45",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2015-08-21T18:55:36Z",
    "title_canon_sha256": "5b77548344cdbd7ffb6b08f3c3956a8da0e4729502191fdcd72b1d26bf4fbd05"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.05364",
    "kind": "arxiv",
    "version": 1
  }
}