Pith Number

pith:C2CBBWJY

pith:2022:C2CBBWJYGBFXKYRP7XVGBT4WKV

not attested not anchored not stored refs pending

On Optimal Coverage of a Tree with Multiple Robots

A. Ram\'irez-Vigueras, F. Duque, I. Aldana-Galv\'an, J.C. Catana-Salazar, J.M. D\'iaz-B\'a\~nez, J. Urrutia, M.A. Heredia, R. Fabila-Monroy

arxiv:2209.07557 v1 · 2022-09-15 · cs.CG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C2CBBWJYGBFXKYRP7XVGBT4WKV}

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	2026-07-05T04:58:07.183518Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

168410d938304b75622ffdea60cf9655463f83e30d2765b5c8746e267e9b3cb5

Aliases

arxiv: 2209.07557 · arxiv_version: 2209.07557v1 · doi: 10.48550/arxiv.2209.07557 · pith_short_12: C2CBBWJYGBFX · pith_short_16: C2CBBWJYGBFXKYRP · pith_short_8: C2CBBWJY

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/C2CBBWJYGBFXKYRP7XVGBT4WKV \
  | 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: 168410d938304b75622ffdea60cf9655463f83e30d2765b5c8746e267e9b3cb5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d8c98499bc3a2cf27bf7a0e7d66c227c2b8f7ff52fde84f5ed1d43c2a9e76c3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2022-09-15T18:36:44Z",
    "title_canon_sha256": "3e6cdefae48376173a79c8bdfa3b8172b77f1efc561d41a221c076f5eed2c38b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2209.07557",
    "kind": "arxiv",
    "version": 1
  }
}