Pith Number

pith:TGSXQVPN

pith:2011:TGSXQVPN55YQP2IMUTELMUUKF7

not attested not anchored not stored refs pending

Orthonormal Expansion l1-Minimization Algorithms for Compressed Sensing

Cishen Zhang, Jun Deng, Wenmiao Lu, Zai Yang

arxiv:1108.5037 v2 · 2011-08-25 · cs.IT · cs.SY · 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{TGSXQVPN55YQP2IMUTELMUUKF7}

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	2026-05-18T02:00:48.277485Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

99a57855edef7107e90ca4c8b6528a2fdc6cab38520dd15631458c7c21f106ce

Aliases

arxiv: 1108.5037 · arxiv_version: 1108.5037v2 · doi: 10.48550/arxiv.1108.5037 · pith_short_12: TGSXQVPN55YQ · pith_short_16: TGSXQVPN55YQP2IM · pith_short_8: TGSXQVPN

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/TGSXQVPN55YQP2IMUTELMUUKF7 \
  | 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: 99a57855edef7107e90ca4c8b6528a2fdc6cab38520dd15631458c7c21f106ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "63e78ff00fa431ef1d4b1b1ba1e18eb58d9114a79cc1d7fee3d1ec77207b88ca",
    "cross_cats_sorted": [
      "cs.SY",
      "math.IT",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2011-08-25T08:35:39Z",
    "title_canon_sha256": "9c031a278c0f591b04fdc5c1cb96a0fca61e76707a53915bc760fb840d52458a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.5037",
    "kind": "arxiv",
    "version": 2
  }
}