Pith Number

pith:D7JF5VJ7

pith:2015:D7JF5VJ7HPP7U7N53UC55STO5Z

not attested not anchored not stored refs pending

Robust Sparse Blind Source Separation

Cecile Chenot, Jeremy Rapin, Jerome Bobin

arxiv:1507.02216 v2 · 2015-07-08 · stat.AP · 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{D7JF5VJ7HPP7U7N53UC55STO5Z}

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	2026-05-18T01:16:26.323794Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1fd25ed53f3bdffa7dbddd05deca6eee4443767372afed0d36dff1af4272a835

Aliases

arxiv: 1507.02216 · arxiv_version: 1507.02216v2 · doi: 10.48550/arxiv.1507.02216 · pith_short_12: D7JF5VJ7HPP7 · pith_short_16: D7JF5VJ7HPP7U7N5 · pith_short_8: D7JF5VJ7

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/D7JF5VJ7HPP7U7N53UC55STO5Z \
  | 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: 1fd25ed53f3bdffa7dbddd05deca6eee4443767372afed0d36dff1af4272a835

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c35e4090e282af5ac35be8fd54787abe98da068475914eced24bfda22cf1d79",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2015-07-08T16:50:26Z",
    "title_canon_sha256": "4a28e914954a08769175ce79c0a1c60c1384c6a80bb7070eb0bfc68b9cb83556"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.02216",
    "kind": "arxiv",
    "version": 2
  }
}