Pith Number

pith:TWBKP6TI

pith:2017:TWBKP6TIHROPDBZO3ZNPC4QD55

not attested not anchored not stored refs pending

Determining Song Similarity via Machine Learning Techniques and Tagging Information

Evandro Caldeira, Luciana Fujii, Renato L. F. Cunha

arxiv:1704.03844 v1 · 2017-04-12 · cs.LG · 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{TWBKP6TIHROPDBZO3ZNPC4QD55}

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	2026-05-18T00:46:26.749835Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d82a7fa683c5cf1872ede5af17203ef646b1c5181d9ef58b0c77dc5e5fc536e

Aliases

arxiv: 1704.03844 · arxiv_version: 1704.03844v1 · doi: 10.48550/arxiv.1704.03844 · pith_short_12: TWBKP6TIHROP · pith_short_16: TWBKP6TIHROPDBZO · pith_short_8: TWBKP6TI

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/TWBKP6TIHROPDBZO3ZNPC4QD55 \
  | 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: 9d82a7fa683c5cf1872ede5af17203ef646b1c5181d9ef58b0c77dc5e5fc536e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b34240b814691bb475a4af34c58ebe0dead48695b83ebcdf35af95e57a0ca4e4",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2017-04-12T17:07:51Z",
    "title_canon_sha256": "089c09468129030ed69d3a15c0d4b4bcf401598f4350da53a4ca00fc1ae29636"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.03844",
    "kind": "arxiv",
    "version": 1
  }
}