Pith Number

pith:3U5N77J4

pith:2013:3U5N77J4RMKTZL625PY5GBXWLT

not attested not anchored not stored refs pending

Sparse and Non-Negative BSS for Noisy Data

Anthony Larue, Jean-Luc Starck, J\'er\'emy Rapin, J\'er\^ome Bobin

arxiv:1308.5546 v1 · 2013-08-26 · 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{3U5N77J4RMKTZL625PY5GBXWLT}

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	2026-05-18T03:10:03.174629Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd3adffd3c8b153cafdaebf1d306f65cfa2b2203427bc8e6a41cf27e9a3dee17

Aliases

arxiv: 1308.5546 · arxiv_version: 1308.5546v1 · doi: 10.48550/arxiv.1308.5546 · pith_short_12: 3U5N77J4RMKT · pith_short_16: 3U5N77J4RMKTZL62 · pith_short_8: 3U5N77J4

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/3U5N77J4RMKTZL625PY5GBXWLT \
  | 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: dd3adffd3c8b153cafdaebf1d306f65cfa2b2203427bc8e6a41cf27e9a3dee17

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c5b36bf7a580760f1eabee49bf9c2b4e5943bdb7a14fb20362d20aa1f8fea20",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2013-08-26T11:31:38Z",
    "title_canon_sha256": "ec6b7342088c78f34821c899143605d890126ae097a22439c2c963adb04382ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.5546",
    "kind": "arxiv",
    "version": 1
  }
}