Pith Number

pith:BVLR74A7

pith:2019:BVLR74A7FZ6NLUXOXSJ3DDNYDY

not attested not anchored not stored refs pending

A New Fast Unweighted All-pairs Shortest Path Search Algorithm Based on Pruning by Shortest Path Trees

Kenichi Kobayashi, Yasuo Yamane

arxiv:1908.06806 v1 · 2019-08-19 · 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{BVLR74A7FZ6NLUXOXSJ3DDNYDY}

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	2026-07-04T23:58:19.549567Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d571ff01f2e7cd5d2eebc93b18db81e1c64aaf7d66597677a106cbf4f9efc71

Aliases

arxiv: 1908.06806 · arxiv_version: 1908.06806v1 · doi: 10.48550/arxiv.1908.06806 · pith_short_12: BVLR74A7FZ6N · pith_short_16: BVLR74A7FZ6NLUXO · pith_short_8: BVLR74A7

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/BVLR74A7FZ6NLUXOXSJ3DDNYDY \
  | 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: 0d571ff01f2e7cd5d2eebc93b18db81e1c64aaf7d66597677a106cbf4f9efc71

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4c394b55f545656986f5650931aae67dff29410e5f6650426c1d00ba25f60c1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2019-08-19T13:55:35Z",
    "title_canon_sha256": "04a740d950ec7ea93f97d1070e5c45b90276b985e74b995d014e6ba0d6a72b01"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.06806",
    "kind": "arxiv",
    "version": 1
  }
}