Pith Number

pith:GH75IQCB

pith:2021:GH75IQCB2PFACRBK2QZBNDMV4X

not attested not anchored not stored refs pending

Understanding approximate and unrolled dictionary learning for pattern recovery

Beno\^it Mal\'ezieux, Matthieu Kowalski, Thomas Moreau

arxiv:2106.06338 v3 · 2021-06-11 · cs.LG · math.OC · 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{GH75IQCB2PFACRBK2QZBNDMV4X}

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.

Cited by

1 paper in Pith

Discovering a well-conditioned analytic continuation problem via dictionary learning

Receipt and verification

First computed	2026-07-05T03:54:41.512985Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

31ffd44041d3ca01442ad432168d95e5e52323eb211c62e73b615ed94821f05f

Aliases

arxiv: 2106.06338 · arxiv_version: 2106.06338v3 · doi: 10.48550/arxiv.2106.06338 · pith_short_12: GH75IQCB2PFA · pith_short_16: GH75IQCB2PFACRBK · pith_short_8: GH75IQCB

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/GH75IQCB2PFACRBK2QZBNDMV4X \
  | 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: 31ffd44041d3ca01442ad432168d95e5e52323eb211c62e73b615ed94821f05f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e54463613b3a364e3717c806c9c2dd703ff689c791a8c6f4d8e383302172707",
    "cross_cats_sorted": [
      "math.OC",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-06-11T12:21:26Z",
    "title_canon_sha256": "b5583a157d3640ff5c8a118be000d2ac1ce59fc5ee54ba615ed8584ef8af1db2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.06338",
    "kind": "arxiv",
    "version": 3
  }
}