Pith Number

pith:3EH42HLH

pith:2022:3EH42HLHQDWYOO457OVT6FEEBB

not attested not anchored not stored refs pending

A single-tree algorithm to compute the Euclidean minimum spanning tree on GPUs

Andrey Prokopenko, Damien Lebrun-Grandi\'e, Piyush Sao

arxiv:2207.00514 v1 · 2022-07-01 · 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{3EH42HLHQDWYOO457OVT6FEEBB}

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	2026-07-05T06:48:31.193726Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d90fcd1d6780ed873b9dfbab3f14840864c61b96117caf0db7fa865682e05b08

Aliases

arxiv: 2207.00514 · arxiv_version: 2207.00514v1 · doi: 10.48550/arxiv.2207.00514 · pith_short_12: 3EH42HLHQDWY · pith_short_16: 3EH42HLHQDWYOO45 · pith_short_8: 3EH42HLH

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/3EH42HLHQDWYOO457OVT6FEEBB \
  | 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: d90fcd1d6780ed873b9dfbab3f14840864c61b96117caf0db7fa865682e05b08

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cad358c573fdf5acea8b8ae0c166bd092146059b92542ca7798f2d6d9bb6449a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2022-07-01T15:55:58Z",
    "title_canon_sha256": "7614ff0d9e114406854dcc84f566b855ef7e5263656dc06bb144f7102c419768"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2207.00514",
    "kind": "arxiv",
    "version": 1
  }
}