Pith Number

pith:LKVMF4A6

pith:2013:LKVMF4A6UWAPMSTIW5L6H6ERYR

not attested not anchored not stored refs pending

A Primal Dual Active Set Algorithm with Continuation for Compressed Sensing

Qibin Fan, Xiliang Lu, Yuling Jiao

arxiv:1312.7039 v1 · 2013-12-26 · cs.IT · math.IT · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LKVMF4A6UWAPMSTIW5L6H6ERYR}

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	2026-05-18T01:45:41.690034Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5aaac2f01ea580f64a68b757e3f891c46ea44b615fba5435c88739b56ccb9f4b

Aliases

arxiv: 1312.7039 · arxiv_version: 1312.7039v1 · doi: 10.48550/arxiv.1312.7039 · pith_short_12: LKVMF4A6UWAP · pith_short_16: LKVMF4A6UWAPMSTI · pith_short_8: LKVMF4A6

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/LKVMF4A6UWAPMSTIW5L6H6ERYR \
  | 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: 5aaac2f01ea580f64a68b757e3f891c46ea44b615fba5435c88739b56ccb9f4b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e39c3ea796ab8e4ec52042c01cedf99c2b0245edb4c4d631f55a4c5542494190",
    "cross_cats_sorted": [
      "math.IT",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-12-26T01:40:32Z",
    "title_canon_sha256": "9d8e531460df78c52d64b53d1494cf3f1a84eb9e7c4e1904e6ea24ef3cec17bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.7039",
    "kind": "arxiv",
    "version": 1
  }
}