Pith Number

pith:WBY2SO75

pith:2012:WBY2SO75IZM4IVY2ZBOTRKJUS7

not attested not anchored not stored refs pending

Semisupervised Classifier Evaluation and Recalibration

Max Welling, Peter Welinder, Pietro Perona

arxiv:1210.2162 v1 · 2012-10-08 · cs.LG · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WBY2SO75IZM4IVY2ZBOTRKJUS7}

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	2026-05-18T03:43:50.922675Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b071a93bfd4659c4571ac85d38a93497e03279efc868f8ef871636717224ecaa

Aliases

arxiv: 1210.2162 · arxiv_version: 1210.2162v1 · doi: 10.48550/arxiv.1210.2162 · pith_short_12: WBY2SO75IZM4 · pith_short_16: WBY2SO75IZM4IVY2 · pith_short_8: WBY2SO75

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/WBY2SO75IZM4IVY2ZBOTRKJUS7 \
  | 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: b071a93bfd4659c4571ac85d38a93497e03279efc868f8ef871636717224ecaa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38aa54ba8dd07f465e4862cd9c32774bb93cbf9f6497965f7df322e6f1e0450b",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2012-10-08T07:15:57Z",
    "title_canon_sha256": "e6fdcca697de26786f13d5cb090357df2eb0f7e2035accf2b6ef16afa916ea18"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.2162",
    "kind": "arxiv",
    "version": 1
  }
}