Pith Number

pith:GVLR7IW7

pith:2013:GVLR7IW7Z3JMY2QYTEDAOECYDX

not attested not anchored not stored refs pending

Linear Time Parameterized Algorithms via Skew-Symmetric Multicuts

M. S. Ramanujan, Saket Saurabh

arxiv:1304.7505 v1 · 2013-04-28 · cs.DS · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GVLR7IW7Z3JMY2QYTEDAOECYDX}

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	2026-05-18T03:26:53.847115Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

35571fa2dfced2cc6a1899060710581de974588b0c63c239253c3f1587912e46

Aliases

arxiv: 1304.7505 · arxiv_version: 1304.7505v1 · doi: 10.48550/arxiv.1304.7505 · pith_short_12: GVLR7IW7Z3JM · pith_short_16: GVLR7IW7Z3JMY2QY · pith_short_8: GVLR7IW7

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/GVLR7IW7Z3JMY2QYTEDAOECYDX \
  | 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: 35571fa2dfced2cc6a1899060710581de974588b0c63c239253c3f1587912e46

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "abcb38efd503daba3ff2e2b2f72c8c6b90ffd8264363d7bc4104c771c99b5b41",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2013-04-28T19:23:40Z",
    "title_canon_sha256": "6edee0f18ae0dc6583db7f8d8752d8d13b52921019d06c0b2c5f29a35750afda"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.7505",
    "kind": "arxiv",
    "version": 1
  }
}