Pith Number

pith:YKCYY5KV

pith:2018:YKCYY5KVSRE2EK3M6FY7KONV2R

not attested not anchored not stored refs pending

Decremental SPQR-trees for Planar Graphs

Adam Karczmarz, Eva Rotenberg, Giuseppe F. Italiano, Jacob Holm, Jakub {\L}\k{a}cki

arxiv:1806.10772 v1 · 2018-06-28 · 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{YKCYY5KVSRE2EK3M6FY7KONV2R}

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.

Cited by

1 paper in Pith

Dynamic Planar Graph Isomorphism is in DynFO

Receipt and verification

First computed	2026-05-18T00:12:07.960501Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c2858c75559449a22b6cf171f539b5d45ee20555c1456f2a008568e6c9a832b2

Aliases

arxiv: 1806.10772 · arxiv_version: 1806.10772v1 · doi: 10.48550/arxiv.1806.10772 · pith_short_12: YKCYY5KVSRE2 · pith_short_16: YKCYY5KVSRE2EK3M · pith_short_8: YKCYY5KV

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/YKCYY5KVSRE2EK3M6FY7KONV2R \
  | 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: c2858c75559449a22b6cf171f539b5d45ee20555c1456f2a008568e6c9a832b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "620d51edc61e3eee8b0497c649de2815253a5d829c96ec054a7fcb42d96acc65",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-06-28T05:17:44Z",
    "title_canon_sha256": "c2dcff006a548eace1f051b6f5e2faf3f26ba3044f046f4f3d2ea7fece898518"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.10772",
    "kind": "arxiv",
    "version": 1
  }
}