Pith Number

pith:OOB3LNGH

pith:2014:OOB3LNGHSWW7ZMOBJHY7O4S4KY

not attested not anchored not stored refs pending

Optimal one-dimensional coverage by unreliable sensors

Balazs Gerencser, Federica Garin, Julien M. Hendrickx, Paolo Frasca

arxiv:1404.7711 v2 · 2014-04-30 · math.OC · cs.MA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OOB3LNGHSWW7ZMOBJHY7O4S4KY}

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	2026-05-18T02:37:42.829792Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7383b5b4c795adfcb1c149f1f7725c561477d96eaba24261a5586218b5220c85

Aliases

arxiv: 1404.7711 · arxiv_version: 1404.7711v2 · doi: 10.48550/arxiv.1404.7711 · pith_short_12: OOB3LNGHSWW7 · pith_short_16: OOB3LNGHSWW7ZMOB · pith_short_8: OOB3LNGH

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/OOB3LNGHSWW7ZMOBJHY7O4S4KY \
  | 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: 7383b5b4c795adfcb1c149f1f7725c561477d96eaba24261a5586218b5220c85

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20ce6c46ac106fbcb2d88ad3e9b328c9cea6e227dda2018ad5e7a892641e9245",
    "cross_cats_sorted": [
      "cs.MA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2014-04-30T13:07:00Z",
    "title_canon_sha256": "d01204b2a098ef48ba0b3249879fe3905d12157f116a779b37c1fcd540d06f97"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.7711",
    "kind": "arxiv",
    "version": 2
  }
}