Pith Number

pith:S2IOGNES

pith:2013:S2IOGNESWNVIFCH4D67HB4DBIR

not attested not anchored not stored refs pending

Blind Denoising with Random Greedy Pursuits

Alexandre Gramfort, Ga\"el Richard, Laurent Daudet, Manuel Moussallam

arxiv:1312.5444 v3 · 2013-12-19 · cs.IT · math.IT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{S2IOGNESWNVIFCH4D67HB4DBIR}

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	2026-05-18T01:45:44.151597Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9690e33492b36a8288fc1fbe70f06144486a64d31770348205a7a52414421e0f

Aliases

arxiv: 1312.5444 · arxiv_version: 1312.5444v3 · doi: 10.48550/arxiv.1312.5444 · pith_short_12: S2IOGNESWNVI · pith_short_16: S2IOGNESWNVIFCH4 · pith_short_8: S2IOGNES

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/S2IOGNESWNVIFCH4D67HB4DBIR \
  | 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: 9690e33492b36a8288fc1fbe70f06144486a64d31770348205a7a52414421e0f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b353f71d2fc6a87edb774d81967c0c6cf523dc15f40d9127191b00ade52fa90",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-12-19T08:49:47Z",
    "title_canon_sha256": "75d38044d77b2b4ff85e77496287030c8105fa270544b7ad747a57a7235398ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.5444",
    "kind": "arxiv",
    "version": 3
  }
}