Pith Number

pith:45R7HITO

pith:2011:45R7HITOEIIZTRXUG7EGEQJN37

not attested not anchored not stored refs pending

Linear inverse problems with noise: primal and primal-dual splitting

Fran\c{c}ois-Xavier Dup\'e (DSM), Jalal Fadili (GREYC), Jean-Luc Starck (DSM)

arxiv:1103.2208 v1 · 2011-03-11 · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{45R7HITOEIIZTRXUG7EGEQJN37}

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	2026-05-18T04:26:55.984830Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e763f3a26e221199c6f437c862412ddfeacf4a61e7a8bf4771ec2bcbdf2abdd7

Aliases

arxiv: 1103.2208 · arxiv_version: 1103.2208v1 · doi: 10.48550/arxiv.1103.2208 · pith_short_12: 45R7HITOEIIZ · pith_short_16: 45R7HITOEIIZTRXU · pith_short_8: 45R7HITO

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/45R7HITOEIIZTRXUG7EGEQJN37 \
  | 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: e763f3a26e221199c6f437c862412ddfeacf4a61e7a8bf4771ec2bcbdf2abdd7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5238b7badb69b74c8e041b1fc411ed2f5cb7be7c2770790b6abd226f7ec762c9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2011-03-11T08:06:20Z",
    "title_canon_sha256": "0d023f457f68409c20bb9bd945191172b4798e1ffdc9487c8c203a7f309ce01a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.2208",
    "kind": "arxiv",
    "version": 1
  }
}