Pith Number

pith:3JPG7V2G

pith:2010:3JPG7V2GUKWO3QTVV6POCZDQTT

not attested not anchored not stored refs pending

Feedback Vertex Set in Mixed Graphs

Daniel Lokshtanov, Paul Bonsma

arxiv:1010.5974 v1 · 2010-10-28 · 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{3JPG7V2GUKWO3QTVV6POCZDQTT}

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	2026-05-18T02:23:38.358478Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da5e6fd746a2acedc275af9ee164709cf206305891565ad8334de0d7f048a6a3

Aliases

arxiv: 1010.5974 · arxiv_version: 1010.5974v1 · doi: 10.48550/arxiv.1010.5974 · pith_short_12: 3JPG7V2GUKWO · pith_short_16: 3JPG7V2GUKWO3QTV · pith_short_8: 3JPG7V2G

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/3JPG7V2GUKWO3QTVV6POCZDQTT \
  | 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: da5e6fd746a2acedc275af9ee164709cf206305891565ad8334de0d7f048a6a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b10818156a48e4ce745430eeb4af35b11b5afd78f4796280e5db9c146ece4d1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2010-10-28T14:04:50Z",
    "title_canon_sha256": "290b4a5b947459e390ccc414b79d690a44b295369697b76427b80a93b7fd54b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.5974",
    "kind": "arxiv",
    "version": 1
  }
}