Pith Number

pith:QC2JUD7X

pith:2014:QC2JUD7XG6SDVUYXXWQWHSFEOG

not attested not anchored not stored refs pending

Convex separable problems with linear and box constraints in signal processing and communications

Antonio A. D'Amico, Daniel P. Palomar, Luca Sanguinetti

arxiv:1407.4477 v1 · 2014-07-16 · 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{QC2JUD7XG6SDVUYXXWQWHSFEOG}

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	2026-05-18T01:42:35.966503Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80b49a0ff737a43ad317bda163c8a4718c86ef17f41639d50554d0ef743f139d

Aliases

arxiv: 1407.4477 · arxiv_version: 1407.4477v1 · doi: 10.48550/arxiv.1407.4477 · pith_short_12: QC2JUD7XG6SD · pith_short_16: QC2JUD7XG6SDVUYX · pith_short_8: QC2JUD7X

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/QC2JUD7XG6SDVUYXXWQWHSFEOG \
  | 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: 80b49a0ff737a43ad317bda163c8a4718c86ef17f41639d50554d0ef743f139d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bffb6e716447ad22ac27b750b6930d4a6289af36a133551e03afc730bed3798f",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2014-07-16T20:01:51Z",
    "title_canon_sha256": "eef831aead4994e5630098c45c11982f8f844c2f7bc2e30849b127fbc1b49a79"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.4477",
    "kind": "arxiv",
    "version": 1
  }
}