Pith Number

pith:Z75Q24SS

pith:2016:Z75Q24SSS7MGOTV6VDP7QN35DR

not attested not anchored not stored refs pending

Optimal spectral transportation with application to music transcription

C\'edric F\'evotte, Nicolas Courty, R\'emi Flamary, Valentin Emiya

arxiv:1609.09799 v2 · 2016-09-30 · stat.ML · cs.LG · cs.SD

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z75Q24SSS7MGOTV6VDP7QN35DR}

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	2026-05-18T01:02:51.668003Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cffb0d725297d8674ebea8dff8377d1c612b94cf30a5a7066fbc6a7275c40543

Aliases

arxiv: 1609.09799 · arxiv_version: 1609.09799v2 · doi: 10.48550/arxiv.1609.09799 · pith_short_12: Z75Q24SSS7MG · pith_short_16: Z75Q24SSS7MGOTV6 · pith_short_8: Z75Q24SS

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/Z75Q24SSS7MGOTV6VDP7QN35DR \
  | 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: cffb0d725297d8674ebea8dff8377d1c612b94cf30a5a7066fbc6a7275c40543

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "afe5de2ac7e238e089fe80e6e156ee1da23765f3773d23b84bc6e6595f618c4e",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.SD"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2016-09-30T16:28:12Z",
    "title_canon_sha256": "ac537d4d91327f7d8a5469e727f81e89582c69450fb5f0046e4b8a1e2696a520"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.09799",
    "kind": "arxiv",
    "version": 2
  }
}