Pith Number

pith:YC3YTLR5

pith:2012:YC3YTLR5SAHJ2MO57OVUQAKQMS

not attested not anchored not stored refs pending

Alternating Projections for Learning with Expectation Constraints

Andrew McCallum, Gregory Druck, Kedar Bellare

arxiv:1205.2660 v1 · 2012-05-09 · 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{YC3YTLR5SAHJ2MO57OVUQAKQMS}

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	2026-05-18T03:55:47.570381Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c0b789ae3d900e9d31ddfbab48015064ae1243f908fa7f133de673c72d3329f4

Aliases

arxiv: 1205.2660 · arxiv_version: 1205.2660v1 · doi: 10.48550/arxiv.1205.2660 · pith_short_12: YC3YTLR5SAHJ · pith_short_16: YC3YTLR5SAHJ2MO5 · pith_short_8: YC3YTLR5

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/YC3YTLR5SAHJ2MO57OVUQAKQMS \
  | 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: c0b789ae3d900e9d31ddfbab48015064ae1243f908fa7f133de673c72d3329f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ff9438f87a7f16255e9f40fb0ac48bf010264a0ec92c8827e193c038603216c",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2012-05-09T14:48:34Z",
    "title_canon_sha256": "065b19c3429c1ad260b47274cffb02aa631c966d672f4855e432454096606811"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.2660",
    "kind": "arxiv",
    "version": 1
  }
}