Pith Number

pith:Z2JH7ACG

pith:2012:Z2JH7ACGSN7ZNVTVF6XXGIJOYS

not attested not anchored not stored refs pending

Performance Guarantees of the Thresholding Algorithm for the Co-Sparse Analysis Model

Michael Elad, Tomer Peleg

arxiv:1203.2769 v1 · 2012-03-13 · 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{Z2JH7ACGSN7ZNVTVF6XXGIJOYS}

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	2026-05-18T04:00:14.655575Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce927f8046937f96d6752faf73212ec4bad04b28904551bdb6206764ff9910fe

Aliases

arxiv: 1203.2769 · arxiv_version: 1203.2769v1 · doi: 10.48550/arxiv.1203.2769 · pith_short_12: Z2JH7ACGSN7Z · pith_short_16: Z2JH7ACGSN7ZNVTV · pith_short_8: Z2JH7ACG

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/Z2JH7ACGSN7ZNVTVF6XXGIJOYS \
  | 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: ce927f8046937f96d6752faf73212ec4bad04b28904551bdb6206764ff9910fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e7e1bad372ad0d106323ef3506070a345bde7078f30cd33b3eb4118b230993c",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-03-13T11:18:28Z",
    "title_canon_sha256": "dfaa9a27f0ab0006f6b6a5be93c827594b9d214710f328e6046375040e95166a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.2769",
    "kind": "arxiv",
    "version": 1
  }
}