Pith Number

pith:F7HCHFXV

pith:2012:F7HCHFXV4TMM5BEUA5LPI6NH4H

not attested not anchored not stored refs pending

Protocols for Learning Classifiers on Distributed Data

Avishek Saha, Hal Daume III, Jeff M. Phillips, Suresh Venkatasubramanian

arxiv:1202.6078 v1 · 2012-02-27 · stat.ML · 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{F7HCHFXV4TMM5BEUA5LPI6NH4H}

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	2026-05-18T04:00:51.318599Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2fce2396f5e4d8ce84940756f479a7e1d4abdca6500e15de68aad5e271a3a494

Aliases

arxiv: 1202.6078 · arxiv_version: 1202.6078v1 · doi: 10.48550/arxiv.1202.6078 · pith_short_12: F7HCHFXV4TMM · pith_short_16: F7HCHFXV4TMM5BEU · pith_short_8: F7HCHFXV

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/F7HCHFXV4TMM5BEUA5LPI6NH4H \
  | 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: 2fce2396f5e4d8ce84940756f479a7e1d4abdca6500e15de68aad5e271a3a494

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "781a0ad73b49a9b89e226b6c61b062c1cb7dfa870045845a216d918a87ebbee5",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2012-02-27T21:33:32Z",
    "title_canon_sha256": "89c2e071d31f5ff41dcc579b930ab31b194152fcce7a3b28a159b1513f2a1c6a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.6078",
    "kind": "arxiv",
    "version": 1
  }
}