Pith Number

pith:L7PMMQOZ

pith:2019:L7PMMQOZ6RAECAWQQOFKAJGTSQ

not attested not anchored not stored refs pending

Cluster Deletion on Interval Graphs and Split Related Graphs

Athanasios L. Konstantinidis, Charis Papadopoulos

arxiv:1904.09470 v1 · 2019-04-20 · 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{L7PMMQOZ6RAECAWQQOFKAJGTSQ}

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	2026-05-17T23:48:04.113556Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5fdec641d9f4404102d0838aa024d39431c48580fad297c140a8c12b69cb1bcc

Aliases

arxiv: 1904.09470 · arxiv_version: 1904.09470v1 · doi: 10.48550/arxiv.1904.09470 · pith_short_12: L7PMMQOZ6RAE · pith_short_16: L7PMMQOZ6RAECAWQ · pith_short_8: L7PMMQOZ

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/L7PMMQOZ6RAECAWQQOFKAJGTSQ \
  | 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: 5fdec641d9f4404102d0838aa024d39431c48580fad297c140a8c12b69cb1bcc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "413cf2eb27447f6eb2c321339d98d5a092abe7b123a49e6b6657d39169fb6857",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2019-04-20T17:24:41Z",
    "title_canon_sha256": "c7a819c993c9050478801a4f908a2a523be3f0009c9bba1796b5254b70a0044e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.09470",
    "kind": "arxiv",
    "version": 1
  }
}