Pith Number

pith:OXGW46SZ

pith:2014:OXGW46SZPZNUJCMMS4M2CXRSB3

not attested not anchored not stored refs pending

Shifting coresets: obtaining linear-time approximations for unit disk graphs and other geometric intersection graphs

Celina M. H. de Figueiredo, Guilherme D. da Fonseca, Vin\'icius G. Pereira de S\'a

arxiv:1402.4722 v5 · 2014-02-19 · 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{OXGW46SZPZNUJCMMS4M2CXRSB3}

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	2026-05-18T01:00:10.534479Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75cd6e7a597e5b44898c9719a15e320ef7a76934f9850418737691040d8832c4

Aliases

arxiv: 1402.4722 · arxiv_version: 1402.4722v5 · doi: 10.48550/arxiv.1402.4722 · pith_short_12: OXGW46SZPZNU · pith_short_16: OXGW46SZPZNUJCMM · pith_short_8: OXGW46SZ

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/OXGW46SZPZNUJCMMS4M2CXRSB3 \
  | 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: 75cd6e7a597e5b44898c9719a15e320ef7a76934f9850418737691040d8832c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d01c3ca0d0d120e0871cb32ecc56f1df3e9b9125ebde00fcf0cd2007607080fc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2014-02-19T16:30:04Z",
    "title_canon_sha256": "0492f5603fd228c5d46d66f895c3288f138d85c85606332ba8ca45f5f965e26f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.4722",
    "kind": "arxiv",
    "version": 5
  }
}