Pith Number

pith:32PLZ2UH

pith:2025:32PLZ2UHBVGAQP34BJ24HH3NIX

not attested not anchored not stored refs pending

Approximating High-Dimensional Earth Mover's Distance as Fast as Closest Pair

Erik Waingarten, Lorenzo Beretta, Rajesh Jayaram, Vincent Cohen-Addad

arxiv:2508.06774 v1 · 2025-08-09 · cs.DS · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{32PLZ2UHBVGAQP34BJ24HH3NIX}

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	2026-07-05T11:59:19.637928Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de9ebcea870d4c083f7c0a75c39f6d45d4de3114f9a4677e5bc40636117da509

Aliases

arxiv: 2508.06774 · arxiv_version: 2508.06774v1 · doi: 10.48550/arxiv.2508.06774 · pith_short_12: 32PLZ2UHBVGA · pith_short_16: 32PLZ2UHBVGAQP34 · pith_short_8: 32PLZ2UH

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/32PLZ2UHBVGAQP34BJ24HH3NIX \
  | 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: de9ebcea870d4c083f7c0a75c39f6d45d4de3114f9a4677e5bc40636117da509

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5cb40df2ab14d038370479bc8815d0b5bd7a7e01368802dff1528053613e261f",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2025-08-09T02:00:53Z",
    "title_canon_sha256": "c88ba7b572d8c8546c4e510df3aec22c3068a9fc271f1e9bef9c85b7142badfd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.06774",
    "kind": "arxiv",
    "version": 1
  }
}