Pith Number

pith:OP5XV54A

pith:2020:OP5XV54AJPEECGGKLMBZ5YRUFG

not attested not anchored not stored refs pending

Improving the Classification of Rare Chords with Unlabeled Data

Claudio R. Jung, Marcelo Bortolozzo, Rodrigo Schramm

arxiv:2012.07055 v2 · 2020-12-13 · cs.SD · 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{OP5XV54AJPEECGGKLMBZ5YRUFG}

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	2026-07-05T02:14:13.037699Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73fb7af7804bc84118ca5b039ee23429a524da92cae3c81fd101ad93e27ebdc5

Aliases

arxiv: 2012.07055 · arxiv_version: 2012.07055v2 · doi: 10.48550/arxiv.2012.07055 · pith_short_12: OP5XV54AJPEE · pith_short_16: OP5XV54AJPEECGGK · pith_short_8: OP5XV54A

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/OP5XV54AJPEECGGKLMBZ5YRUFG \
  | 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: 73fb7af7804bc84118ca5b039ee23429a524da92cae3c81fd101ad93e27ebdc5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6f606149fbcd6b6f71bb8dfc24ed8d758e7bb37b6cf93e20faa7909886982159",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SD",
    "submitted_at": "2020-12-13T13:02:55Z",
    "title_canon_sha256": "bdddabd91e6a6f81c3d9dbe35881e8d1635d4242fed7627bb7193a7f39e2373d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.07055",
    "kind": "arxiv",
    "version": 2
  }
}