Pith Number

pith:BFO7PZGO

pith:2015:BFO7PZGOH3SY275HD2MIPKCJON

not attested not anchored not stored refs pending

On Structural Parameterizations of Hitting Set: Hitting Paths in Graphs Using 2-SAT

Bart M. P. Jansen

arxiv:1507.05890 v2 · 2015-07-21 · 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{BFO7PZGOH3SY275HD2MIPKCJON}

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	2026-05-18T01:36:22.013827Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

095df7e4ce3ee58d7fa71e9887a8497363e4e35697d80d0ea77970cce70773a2

Aliases

arxiv: 1507.05890 · arxiv_version: 1507.05890v2 · doi: 10.48550/arxiv.1507.05890 · pith_short_12: BFO7PZGOH3SY · pith_short_16: BFO7PZGOH3SY275H · pith_short_8: BFO7PZGO

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/BFO7PZGOH3SY275HD2MIPKCJON \
  | 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: 095df7e4ce3ee58d7fa71e9887a8497363e4e35697d80d0ea77970cce70773a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a44b7b41d22d8fb9e04abb92ff0c77d8dad054edc5cc8fcc58f42690c1b37b5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2015-07-21T16:04:51Z",
    "title_canon_sha256": "e53d67edb5879fcaa7bc1c8611ef73599b975fcff1b406940c754d85fd2ff031"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.05890",
    "kind": "arxiv",
    "version": 2
  }
}