Pith Number

pith:M3IXCZKT

pith:2013:M3IXCZKT37JOB3F6LQT4D7SEG4

not attested not anchored not stored refs pending

Convex Optimization Approaches for Blind Sensor Calibration using Sparsity

Cagdas Bilen (INRIA - IRISA), Gilles Puy, Laurent Daudet, R\'emi Gribonval (INRIA - IRISA)

arxiv:1308.5354 v4 · 2013-08-24 · 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{M3IXCZKT37JOB3F6LQT4D7SEG4}

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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	2026-05-18T02:44:32.086732Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66d1716553dfd2e0ecbe5c27c1fe4437031e2fa65657be1618738acdd39b8108

Aliases

arxiv: 1308.5354 · arxiv_version: 1308.5354v4 · doi: 10.48550/arxiv.1308.5354 · pith_short_12: M3IXCZKT37JO · pith_short_16: M3IXCZKT37JOB3F6 · pith_short_8: M3IXCZKT

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/M3IXCZKT37JOB3F6LQT4D7SEG4 \
  | 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: 66d1716553dfd2e0ecbe5c27c1fe4437031e2fa65657be1618738acdd39b8108

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0008a04fe14ac0bca270c7b8dafd1290a0fb770d637cf0a9513a20ee02995d7b",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-08-24T18:53:16Z",
    "title_canon_sha256": "047864bf35725c811c06bc08f38c8ab8f96c4f398f3216c72549d97319bd9016"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.5354",
    "kind": "arxiv",
    "version": 4
  }
}