Pith Number

pith:QSRXFINB

pith:2025:QSRXFINBBMRKHN4VGLA2FMFMLO

not attested not anchored not stored refs pending

Recovering Wasserstein Distance Matrices from Few Measurements

Abiy Tasissa, HanQin Cai, Keaton Hamm, Muhammad Rana, Yakov Gavriyelov

arxiv:2509.19250 v1 · 2025-09-23 · stat.ML · 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{QSRXFINBBMRKHN4VGLA2FMFMLO}

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	2026-05-20T01:04:58.132484Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84a372a1a10b22a3b79532c1a2b0ac5b8d9a38e6e27694da756e2445c1654d7b

Aliases

arxiv: 2509.19250 · arxiv_version: 2509.19250v1 · doi: 10.48550/arxiv.2509.19250 · pith_short_12: QSRXFINBBMRK · pith_short_16: QSRXFINBBMRKHN4V · pith_short_8: QSRXFINB

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/QSRXFINBBMRKHN4VGLA2FMFMLO \
  | 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: 84a372a1a10b22a3b79532c1a2b0ac5b8d9a38e6e27694da756e2445c1654d7b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3409595c6973cf584d4e778231cb89eae6973b01c00376ee2ae4a725d2e4727f",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2025-09-23T17:11:33Z",
    "title_canon_sha256": "91909fb64e563d09acb2023eb77e855d3cfa909b33d7a98bd55acb2ebc361934"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.19250",
    "kind": "arxiv",
    "version": 1
  }
}