Pith Number

pith:6QNW7XJU

pith:2018:6QNW7XJUN6FF4IQIB42OC4MQEK

not attested not anchored not stored refs pending

The Tight Cut Decomposition of Matching Covered Uniformable Hypergraphs

Isabel Beckenbach, Meike Hatzel, Sebastian Wiederrecht

arxiv:1812.05461 v3 · 2018-12-13 · 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{6QNW7XJUN6FF4IQIB42OC4MQEK}

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	2026-05-17T23:52:26.924738Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f41b6fdd346f8a5e22080f34e1719022b7afaac95c67440290b27a9dfc255902

Aliases

arxiv: 1812.05461 · arxiv_version: 1812.05461v3 · doi: 10.48550/arxiv.1812.05461 · pith_short_12: 6QNW7XJUN6FF · pith_short_16: 6QNW7XJUN6FF4IQI · pith_short_8: 6QNW7XJU

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/6QNW7XJUN6FF4IQIB42OC4MQEK \
  | 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: f41b6fdd346f8a5e22080f34e1719022b7afaac95c67440290b27a9dfc255902

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e052d9860eabc97845c7707d5bfcb788f24a1dfa9d59c260405e18aa1c6cc00",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-12-13T14:43:03Z",
    "title_canon_sha256": "631cc580adae16970cc6f92c9a1bb5a9f93fa4b2f11147024fa683313dc544c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.05461",
    "kind": "arxiv",
    "version": 3
  }
}