Pith Number

pith:7STCMBAX

pith:2018:7STCMBAXOPIF4WRKHY5DVAC7MD

not attested not anchored not stored refs pending

Vocal melody extraction using patch-based CNN

Li Su

arxiv:1804.09202 v1 · 2018-04-24 · cs.SD · eess.AS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7STCMBAXOPIF4WRKHY5DVAC7MD}

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	2026-05-18T00:17:32.524465Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fca626041773d05e5a2a3e3a3a805f60fc7f2e248693bfee13bad3ad84409d85

Aliases

arxiv: 1804.09202 · arxiv_version: 1804.09202v1 · doi: 10.48550/arxiv.1804.09202 · pith_short_12: 7STCMBAXOPIF · pith_short_16: 7STCMBAXOPIF4WRK · pith_short_8: 7STCMBAX

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/7STCMBAXOPIF4WRKHY5DVAC7MD \
  | 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: fca626041773d05e5a2a3e3a3a805f60fc7f2e248693bfee13bad3ad84409d85

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a64ce51edd1b7d3366cb74ad43f1c45d2d45c451dd9c5c37df0bfe49d6a7f1e8",
    "cross_cats_sorted": [
      "eess.AS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SD",
    "submitted_at": "2018-04-24T18:28:48Z",
    "title_canon_sha256": "b674c3eed6abf389d5b7549ae03f3dcd6e4fee21f7ee6cb62e8e17bc30ebfdb8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.09202",
    "kind": "arxiv",
    "version": 1
  }
}