Pith Number

pith:32GGR35Z

pith:2014:32GGR35ZVOLIIRKW7FDTPFUYO6

not attested not anchored not stored refs pending

Almost Tight Bounds for Conflict-Free Chromatic Guarding of Orthogonal Galleries

Frank Hoffmann, Klaus Kriegel, Max Willert

arxiv:1412.3984 v1 · 2014-12-12 · 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{32GGR35ZVOLIIRKW7FDTPFUYO6}

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	2026-05-18T02:31:28.153393Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de8c68efb9ab96844556f94737969877a911106969c9cb83ce6db5001cf61131

Aliases

arxiv: 1412.3984 · arxiv_version: 1412.3984v1 · doi: 10.48550/arxiv.1412.3984 · pith_short_12: 32GGR35ZVOLI · pith_short_16: 32GGR35ZVOLIIRKW · pith_short_8: 32GGR35Z

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/32GGR35ZVOLIIRKW7FDTPFUYO6 \
  | 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: de8c68efb9ab96844556f94737969877a911106969c9cb83ce6db5001cf61131

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0f568f6506ba757252c06cbad15ea484742c7be31b6e4f5bbed82b84ebcc8cc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2014-12-12T13:18:47Z",
    "title_canon_sha256": "a1edfd75f37e685dbe61dddf83b31afea091ad300585c96fc85e01b072eac8bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.3984",
    "kind": "arxiv",
    "version": 1
  }
}