Pith Number

pith:NAY3PUWH

pith:2016:NAY3PUWHB3BO66RFBCWKI3RCQW

not attested not anchored not stored refs pending

Sharp Sufficient Conditions for Stable Recovery of Block Sparse Signals by Block Orthogonal Matching Pursuit

Jinming Wen, Ming-Jun Lai, Xiaohu Tang, Zhengchun Zhou, Zilong Liu

arxiv:1605.02894 v2 · 2016-05-10 · 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{NAY3PUWHB3BO66RFBCWKI3RCQW}

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	2026-05-18T00:16:03.347647Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6831b7d2c70ec2ef7a2508aca46e2285ac5fc3f570559292488cd1f49e529329

Aliases

arxiv: 1605.02894 · arxiv_version: 1605.02894v2 · doi: 10.48550/arxiv.1605.02894 · pith_short_12: NAY3PUWHB3BO · pith_short_16: NAY3PUWHB3BO66RF · pith_short_8: NAY3PUWH

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/NAY3PUWHB3BO66RFBCWKI3RCQW \
  | 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: 6831b7d2c70ec2ef7a2508aca46e2285ac5fc3f570559292488cd1f49e529329

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f337b2990f5dabb30a9dff847c5f6da20668742aedbf53d695f668a77442dbf",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2016-05-10T09:03:30Z",
    "title_canon_sha256": "e518d815b5437253c074f283b8653dd5160428e182e2392de78ccb026381292f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.02894",
    "kind": "arxiv",
    "version": 2
  }
}