Pith Number

pith:Q34XZHVV

pith:2011:Q34XZHVVZQBWRH5CRRSR7OAKTN

not attested not anchored not stored refs pending

Blind calibration for compressed sensing by convex optimization

Gilles Chardon, Laurent Daudet, R\'emi Gribonval

arxiv:1111.7248 v1 · 2011-11-30 · math.ST · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q34XZHVVZQBWRH5CRRSR7OAKTN}

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	2026-05-18T04:07:18.321682Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86f97c9eb5cc03689fa28c651fb80a9b44973b1f116c5624eaa1308949ff0529

Aliases

arxiv: 1111.7248 · arxiv_version: 1111.7248v1 · doi: 10.48550/arxiv.1111.7248 · pith_short_12: Q34XZHVVZQBW · pith_short_16: Q34XZHVVZQBWRH5C · pith_short_8: Q34XZHVV

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/Q34XZHVVZQBWRH5CRRSR7OAKTN \
  | 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: 86f97c9eb5cc03689fa28c651fb80a9b44973b1f116c5624eaa1308949ff0529

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "240ca6bfb255d5cc6bf72d6e30d72bb7a2c8460054103c628cb08af7c924fac4",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2011-11-30T17:39:22Z",
    "title_canon_sha256": "5646a2085665526ecc01c410c3c5c3927d45575f698821d5d6083f65d938ba02"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.7248",
    "kind": "arxiv",
    "version": 1
  }
}