Pith Number

pith:DYDPCOSP

pith:2012:DYDPCOSPPK7X4DQI5EU7F4AIH6

not attested not anchored not stored refs pending

Learning with Scope, with Application to Information Extraction and Classification

Andrew McCallum, David Blei, J Andrew Bagnell

arxiv:1301.0556 v1 · 2012-12-12 · cs.LG · cs.IR · 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{DYDPCOSPPK7X4DQI5EU7F4AIH6}

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	2026-05-18T03:37:18.594294Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e06f13a4f7abf7e0e08e929f2f0083fb6561bae30b16cbac3f7fdbae26296ad

Aliases

arxiv: 1301.0556 · arxiv_version: 1301.0556v1 · doi: 10.48550/arxiv.1301.0556 · pith_short_12: DYDPCOSPPK7X · pith_short_16: DYDPCOSPPK7X4DQI · pith_short_8: DYDPCOSP

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/DYDPCOSPPK7X4DQI5EU7F4AIH6 \
  | 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: 1e06f13a4f7abf7e0e08e929f2f0083fb6561bae30b16cbac3f7fdbae26296ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ffc47d618f4964436109ed20f72281a03c61a493bd3b6c496ea9ea032b61229",
    "cross_cats_sorted": [
      "cs.IR",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2012-12-12T15:55:25Z",
    "title_canon_sha256": "b56f612a937d02f814cad023e3fe7bb2c3be69a3bacd8351dc9de42224f0214c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.0556",
    "kind": "arxiv",
    "version": 1
  }
}