Pith Number

pith:ZDRHRJ54

pith:2016:ZDRHRJ54E2HIABVIZWZBMDOO3P

not attested not anchored not stored refs pending

Parameterized and approximation complexity of the detection pair problem in graphs

Florent Foucaud, Ralf Klasing

arxiv:1601.05003 v2 · 2016-01-19 · 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{ZDRHRJ54E2HIABVIZWZBMDOO3P}

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	2026-05-18T00:24:53.413035Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8e278a7bc268e8006a8cdb2160dcedbd1639fdecdd1ba01176dc5f6b71379ec

Aliases

arxiv: 1601.05003 · arxiv_version: 1601.05003v2 · doi: 10.48550/arxiv.1601.05003 · pith_short_12: ZDRHRJ54E2HI · pith_short_16: ZDRHRJ54E2HIABVI · pith_short_8: ZDRHRJ54

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/ZDRHRJ54E2HIABVIZWZBMDOO3P \
  | 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: c8e278a7bc268e8006a8cdb2160dcedbd1639fdecdd1ba01176dc5f6b71379ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "731e9497b194f0be2bda4d1ffa33682999d39b995e6a5a1ea158fbf871abbe46",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2016-01-19T17:20:40Z",
    "title_canon_sha256": "1d7e962c9e8bd106ef4d7bb71ed6ec0eb1b26d4ffbd79d727e59251bb1600990"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.05003",
    "kind": "arxiv",
    "version": 2
  }
}