Pith Number

pith:RJL2O74Q

pith:2017:RJL2O74Q62VHKVBPM6MF3EPDFJ

not attested not anchored not stored refs pending

An Expectation-Maximization Algorithm for the Fractal Inverse Problem

Peter Bloem, Steven de Rooij

arxiv:1706.03149 v2 · 2017-06-09 · 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{RJL2O74Q62VHKVBPM6MF3EPDFJ}

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	2026-05-18T00:41:12.196094Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a57a77f90f6aa75542f67985d91e32a41d54928a62da740dff88b2f85396d4f

Aliases

arxiv: 1706.03149 · arxiv_version: 1706.03149v2 · doi: 10.48550/arxiv.1706.03149 · pith_short_12: RJL2O74Q62VH · pith_short_16: RJL2O74Q62VHKVBP · pith_short_8: RJL2O74Q

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/RJL2O74Q62VHKVBPM6MF3EPDFJ \
  | 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: 8a57a77f90f6aa75542f67985d91e32a41d54928a62da740dff88b2f85396d4f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "390716711f24bf80007c85dc7b7677fd014c483ef52d20ed2269c762359a2cd9",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2017-06-09T22:50:32Z",
    "title_canon_sha256": "529e2df821e56f4732a5d8bf508ebcc5a8a9ece8ec9a1056da39caf44aac2f3a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.03149",
    "kind": "arxiv",
    "version": 2
  }
}