Pith Number

pith:WLIBJKRO

pith:2013:WLIBJKROFX43RBWF5HUNZXW5WO

not attested not anchored not stored refs pending

Robust Spectral Compressed Sensing via Structured Matrix Completion

Yuejie Chi, Yuxin Chen

arxiv:1304.8126 v5 · 2013-04-30 · cs.IT · cs.SY · math.IT · math.NA · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WLIBJKROFX43RBWF5HUNZXW5WO}

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	2026-05-18T02:30:15.940222Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2d014aa2e2df9b886c5e9e8dcdeddb389a65b6a00a89369684dacaa6a26499b

Aliases

arxiv: 1304.8126 · arxiv_version: 1304.8126v5 · doi: 10.48550/arxiv.1304.8126 · pith_short_12: WLIBJKROFX43 · pith_short_16: WLIBJKROFX43RBWF · pith_short_8: WLIBJKRO

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/WLIBJKROFX43RBWF5HUNZXW5WO \
  | 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: b2d014aa2e2df9b886c5e9e8dcdeddb389a65b6a00a89369684dacaa6a26499b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "10dfe3c0fdf7cc40f0f10f89d47d4a1bf804f6becc50dfddf5a5b0eb46c618bc",
    "cross_cats_sorted": [
      "cs.SY",
      "math.IT",
      "math.NA",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-04-30T19:24:22Z",
    "title_canon_sha256": "53aa0c196ba0d1bfb726a05fd8fc43319c4fe561176faea13e24b2a2bf0c6a98"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.8126",
    "kind": "arxiv",
    "version": 5
  }
}