Pith Number

pith:FP2N77UB

pith:2018:FP2N77UBWQFPJXTQDSQUZPSHC5

not attested not anchored not stored refs pending

A Deterministic Distributed Algorithm for Exact Weighted All-Pairs Shortest Paths in $\tilde{O}(n^{3/2})$ Rounds

Matteo Pontecorvi, Udit Agarwal, Valerie King, Vijaya Ramachandran

arxiv:1804.05441 v1 · 2018-04-15 · cs.DS · cs.DC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FP2N77UBWQFPJXTQDSQUZPSHC5}

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	2026-05-18T00:18:28.124549Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2bf4dffe81b40af4de701ca14cbe471750f1462ea65d3d398f67870bf7f0a331

Aliases

arxiv: 1804.05441 · arxiv_version: 1804.05441v1 · doi: 10.48550/arxiv.1804.05441 · pith_short_12: FP2N77UBWQFP · pith_short_16: FP2N77UBWQFPJXTQ · pith_short_8: FP2N77UB

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/FP2N77UBWQFPJXTQDSQUZPSHC5 \
  | 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: 2bf4dffe81b40af4de701ca14cbe471750f1462ea65d3d398f67870bf7f0a331

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea11f1074db374f5675adce67bdc9764a0861810433e7954f42b6835cdff125f",
    "cross_cats_sorted": [
      "cs.DC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-04-15T22:17:54Z",
    "title_canon_sha256": "21361d71bf5cbfcc116f4aff6ab6f67bfc8058fa1a8e12fd725d9d5a3bf06a20"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.05441",
    "kind": "arxiv",
    "version": 1
  }
}