Pith Number

pith:TB7W7UEN

pith:2011:TB7W7UENXJ4UW5CO7BSMYCWTAM

not attested not anchored not stored refs pending

The Cosparse Analysis Model and Algorithms

Michael Elad (CS), Mike E. Davies, R\'emi Gribonval (INRIA - IRISA), Sangnam Nam (INRIA - IRISA)

arxiv:1106.4987 v1 · 2011-06-24 · math.NA · 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{TB7W7UENXJ4UW5CO7BSMYCWTAM}

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	2026-05-18T03:57:12.881366Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

987f6fd08dba794b744ef864cc0ad30305c29c9aecc9de0783eb5c2ea3bd0952

Aliases

arxiv: 1106.4987 · arxiv_version: 1106.4987v1 · doi: 10.48550/arxiv.1106.4987 · pith_short_12: TB7W7UENXJ4U · pith_short_16: TB7W7UENXJ4UW5CO · pith_short_8: TB7W7UEN

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/TB7W7UENXJ4UW5CO7BSMYCWTAM \
  | 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: 987f6fd08dba794b744ef864cc0ad30305c29c9aecc9de0783eb5c2ea3bd0952

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e397e2c6286d6f31eb1078b25882d582c0a433f8d972bde593473a5498665e0a",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2011-06-24T15:03:44Z",
    "title_canon_sha256": "432ef695e564680fb8b30fbd79284dbbe49f52c7a18ac83d72fa0ca3951dcbb8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.4987",
    "kind": "arxiv",
    "version": 1
  }
}