Pith Number

pith:6MZT6RRC

pith:2014:6MZT6RRCROPYLCGLP7ZOUC6Y3L

not attested not anchored not stored refs pending

Finding 2-Edge and 2-Vertex Strongly Connected Components in Quadratic Time

Monika Henzinger, Sebastian Krinninger, Veronika Loitzenbauer

arxiv:1412.6466 v2 · 2014-12-19 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6MZT6RRCROPYLCGLP7ZOUC6Y3L}

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	2026-05-18T00:22:16.637545Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f3333f46228b9f8588cb7ff2ea0bd8daea29bb7ae74302660a5d0c586bd218db

Aliases

arxiv: 1412.6466 · arxiv_version: 1412.6466v2 · doi: 10.48550/arxiv.1412.6466 · pith_short_12: 6MZT6RRCROPY · pith_short_16: 6MZT6RRCROPYLCGL · pith_short_8: 6MZT6RRC

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/6MZT6RRCROPYLCGLP7ZOUC6Y3L \
  | 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: f3333f46228b9f8588cb7ff2ea0bd8daea29bb7ae74302660a5d0c586bd218db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f9478cf9281dcc2d0c0396697fcc4817ad2bcc7d2e7a5ff98474ca1b5681894",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2014-12-19T18:02:46Z",
    "title_canon_sha256": "98e08fdfa1c840e12a4707f2bf716453118ac39246b1547a3484571b7b11b68d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.6466",
    "kind": "arxiv",
    "version": 2
  }
}