Pith Number

pith:ZYKKCICY

pith:2023:ZYKKCICYL2LFSARYTTT2O4KBVY

not attested not anchored not stored refs pending

Kernelization for Finding Lineal Topologies (Depth-First Spanning Trees) with Many or Few Leaves

Benjamin Bergougnoux, Emmanuel Sam, Nello Blaser, Petr A. Golovach

arxiv:2307.00362 v2 · 2023-07-01 · 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{ZYKKCICYL2LFSARYTTT2O4KBVY}

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	2026-07-05T06:33:05.434272Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce14a120585e965902389ce7a77141ae30d8044b437774d833e8392e0baed530

Aliases

arxiv: 2307.00362 · arxiv_version: 2307.00362v2 · doi: 10.48550/arxiv.2307.00362 · pith_short_12: ZYKKCICYL2LF · pith_short_16: ZYKKCICYL2LFSARY · pith_short_8: ZYKKCICY

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/ZYKKCICYL2LFSARYTTT2O4KBVY \
  | 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: ce14a120585e965902389ce7a77141ae30d8044b437774d833e8392e0baed530

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "316924ce90ab57c21089d21893c87c6ca663c06d37c996287e0bd9ce4164b1d6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2023-07-01T15:19:22Z",
    "title_canon_sha256": "c4f1546b7f2ae059c40192bd2b435081c17a89224fd56202fc903ef00bce3293"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2307.00362",
    "kind": "arxiv",
    "version": 2
  }
}