Pith Number

pith:4SKOQF3Z

pith:2016:4SKOQF3ZDBSW5DZWPYCUVMSREU

not attested not anchored not stored refs pending

Fast and Provable Algorithms for Spectrally Sparse Signal Reconstruction via Low-Rank Hankel Matrix Completion

Jian-Feng Cai, Ke Wei, Tianming Wang

arxiv:1606.01567 v1 · 2016-06-05 · 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{4SKOQF3ZDBSW5DZWPYCUVMSREU}

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	2026-05-18T01:12:53.957270Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e494e8177918656e8f367e054ab251252ced0d6c52cba2474d9812eace1c6e1a

Aliases

arxiv: 1606.01567 · arxiv_version: 1606.01567v1 · doi: 10.48550/arxiv.1606.01567 · pith_short_12: 4SKOQF3ZDBSW · pith_short_16: 4SKOQF3ZDBSW5DZW · pith_short_8: 4SKOQF3Z

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/4SKOQF3ZDBSW5DZWPYCUVMSREU \
  | 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: e494e8177918656e8f367e054ab251252ced0d6c52cba2474d9812eace1c6e1a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9771074be735148ecc351248c140bf65133ad60250fc08f986f99fe65a012ae5",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2016-06-05T21:39:44Z",
    "title_canon_sha256": "9f9a6609ee1226aaf08d5cb39d165e0758cf3e08c08d7c47aa95aa07eb00d8d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.01567",
    "kind": "arxiv",
    "version": 1
  }
}