Pith Number

pith:RAH2OCHT

pith:2023:RAH2OCHTF2ZNX3U7OZXOOBMX2R

not attested not anchored not stored refs pending

A Gromov--Wasserstein Geometric View of Spectrum-Preserving Graph Coarsening

Jie Chen, Rentian Yao, Yifan Chen, Yun Yang

arxiv:2306.08854 v1 · 2023-06-15 · cs.LG · cs.AI · stat.CO · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RAH2OCHTF2ZNX3U7OZXOOBMX2R}

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	2026-07-05T06:20:57.117093Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

880fa708f32eb2dbee9f766ee70597d446d2ee87a15e942bf14a181e69a51225

Aliases

arxiv: 2306.08854 · arxiv_version: 2306.08854v1 · doi: 10.48550/arxiv.2306.08854 · pith_short_12: RAH2OCHTF2ZN · pith_short_16: RAH2OCHTF2ZNX3U7 · pith_short_8: RAH2OCHT

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/RAH2OCHTF2ZNX3U7OZXOOBMX2R \
  | 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: 880fa708f32eb2dbee9f766ee70597d446d2ee87a15e942bf14a181e69a51225

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8789daf550380e8efc2369358f76bef5187e725be2f838643474dd842c9b0ca1",
    "cross_cats_sorted": [
      "cs.AI",
      "stat.CO",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2023-06-15T04:47:26Z",
    "title_canon_sha256": "c9d90a93ebe9cdc2ab22fb57647044316d1912dc08d4d092c39f3a6f873f35ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2306.08854",
    "kind": "arxiv",
    "version": 1
  }
}