Pith Number

pith:BHW2GV4J

pith:2018:BHW2GV4JAZ3H4HOOJX7REGO7TS

not attested not anchored not stored refs pending

LSALSA: Accelerated Source Separation via Learned Sparse Coding

Anna Choromanska, Apoorva Nandini Saridena, Benjamin Cowen

arxiv:1802.06875 v2 · 2018-02-13 · 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{BHW2GV4JAZ3H4HOOJX7REGO7TS}

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	2026-05-17T23:43:56.773410Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

09eda3578906767e1dce4dff1219df9cb0d5a48571ce4384118e37f97001ffe5

Aliases

arxiv: 1802.06875 · arxiv_version: 1802.06875v2 · doi: 10.48550/arxiv.1802.06875 · pith_short_12: BHW2GV4JAZ3H · pith_short_16: BHW2GV4JAZ3H4HOO · pith_short_8: BHW2GV4J

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/BHW2GV4JAZ3H4HOOJX7REGO7TS \
  | 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: 09eda3578906767e1dce4dff1219df9cb0d5a48571ce4384118e37f97001ffe5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74cb767747e797ef3ea62e9b9be1c848136f258656f2f598d61ddb0e063f2fb9",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-02-13T00:10:00Z",
    "title_canon_sha256": "78ea5c44325fca7e019dfb86fc3592fcbb7c7a198ce059eea06e66d6ef1515af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.06875",
    "kind": "arxiv",
    "version": 2
  }
}