Pith Number

pith:5NAAR27W

pith:2017:5NAAR27WA2OGUTZRG2CKPL5MXD

not attested not anchored not stored refs pending

Fast and Compact Exact Distance Oracle for Planar Graphs

Christian Wulff-Nilsen, S{\o}ren Dahlgaard, Vincent Cohen-Addad

arxiv:1702.03259 v3 · 2017-02-10 · 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{5NAAR27WA2OGUTZRG2CKPL5MXD}

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	2026-05-18T00:45:13.849731Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb4008ebf6069c6a4f313684a7afacb8f77bd3648f9a668beababf70297d6b54

Aliases

arxiv: 1702.03259 · arxiv_version: 1702.03259v3 · doi: 10.48550/arxiv.1702.03259 · pith_short_12: 5NAAR27WA2OG · pith_short_16: 5NAAR27WA2OGUTZR · pith_short_8: 5NAAR27W

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/5NAAR27WA2OGUTZRG2CKPL5MXD \
  | 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: eb4008ebf6069c6a4f313684a7afacb8f77bd3648f9a668beababf70297d6b54

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "efca47f88aabacaa874a3e081cbc83749ed1e9c4ea24e7cbff2ec2332db97532",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2017-02-10T17:27:35Z",
    "title_canon_sha256": "6560e0f31ca3691f8b047ee39fcffbe5274040f07f4ba2fe029c0ed2e9cd3a65"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.03259",
    "kind": "arxiv",
    "version": 3
  }
}