Pith Number

pith:TQVB5GSJ

pith:2012:TQVB5GSJ6KS3AURTDTLCEKZCPC

not attested not anchored not stored refs pending

Density-Difference Estimation

Ichiro Takeuchi, Marthinus Christoffel du Plessis, Masashi Sugiyama, Song Liu, Taiji Suzuki, Takafumi Kanamori

arxiv:1207.0099 v1 · 2012-06-30 · 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{TQVB5GSJ6KS3AURTDTLCEKZCPC}

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	2026-05-18T03:52:00.374145Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c2a1e9a49f2a5b052331cd6222b22788663fa88c049ebf39d32cb0d483d665a

Aliases

arxiv: 1207.0099 · arxiv_version: 1207.0099v1 · doi: 10.48550/arxiv.1207.0099 · pith_short_12: TQVB5GSJ6KS3 · pith_short_16: TQVB5GSJ6KS3AURT · pith_short_8: TQVB5GSJ

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/TQVB5GSJ6KS3AURTDTLCEKZCPC \
  | 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: 9c2a1e9a49f2a5b052331cd6222b22788663fa88c049ebf39d32cb0d483d665a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "249b38c48bacf96a1e770229be61dac904ce28acee011d7845ede7acacaabced",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2012-06-30T14:21:46Z",
    "title_canon_sha256": "913c05d89df8f20173f428d2dd2e0d025543b9d89c2fddaed35aa4bc179bc533"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.0099",
    "kind": "arxiv",
    "version": 1
  }
}