Pith Number

pith:YPCOCOSW

pith:2019:YPCOCOSWN4JH7MARLUV66WSNV7

not attested not anchored not stored refs pending

Maximum Matchings and Minimum Blocking Sets in $\Theta_6$-Graphs

Ahmad Biniaz, Anna Lubiw, Kshitij Jain, Philipp Kindermann, Therese Biedl, Veronika Irvine

arxiv:1901.01476 v2 · 2019-01-06 · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YPCOCOSWN4JH7MARLUV66WSNV7}

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	2026-05-17T23:51:30.334361Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3c4e13a566f127fb0115d2bef5a4dafe34eaa1b7930e6e9767605a2e9d81aa2

Aliases

arxiv: 1901.01476 · arxiv_version: 1901.01476v2 · doi: 10.48550/arxiv.1901.01476 · pith_short_12: YPCOCOSWN4JH · pith_short_16: YPCOCOSWN4JH7MAR · pith_short_8: YPCOCOSW

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/YPCOCOSWN4JH7MARLUV66WSNV7 \
  | 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: c3c4e13a566f127fb0115d2bef5a4dafe34eaa1b7930e6e9767605a2e9d81aa2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a42fac9c7c4527b8a0bc66db3aa52b8bde07af099d9a97e4a00148e0eba887f3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2019-01-06T00:22:04Z",
    "title_canon_sha256": "50adfef3515a67389a99a25e4d7f08215f5652c642c36b930a97907ac5f9e109"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.01476",
    "kind": "arxiv",
    "version": 2
  }
}