Pith Number

pith:KTOQ7JHT

pith:2016:KTOQ7JHTKO4QCBC2U37XVPAZFS

not attested not anchored not stored refs pending

Stopping Condition for Greedy Block Sparse Signal Recovery

Huarui Yin, Ronggui Xie, Weidong Wang, Yu Luo

arxiv:1612.07413 v1 · 2016-12-22 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KTOQ7JHTKO4QCBC2U37XVPAZFS}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:54:10.087537Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

54dd0fa4f353b901045aa6ff7abc192ca29d6808e85f6aa6fa8a7c2a41d2aae3

Aliases

arxiv: 1612.07413 · arxiv_version: 1612.07413v1 · doi: 10.48550/arxiv.1612.07413 · pith_short_12: KTOQ7JHTKO4Q · pith_short_16: KTOQ7JHTKO4QCBC2 · pith_short_8: KTOQ7JHT

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/KTOQ7JHTKO4QCBC2U37XVPAZFS \
  | 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: 54dd0fa4f353b901045aa6ff7abc192ca29d6808e85f6aa6fa8a7c2a41d2aae3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf8138b942b5f44a1c93e7a2b403951f35c4dfe88b2ad4f2bfd2a3c34d5a30db",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2016-12-22T01:44:41Z",
    "title_canon_sha256": "464c1ac050c1d198ee363ac7d1562531096015a2be787ca30675644de64eef3b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.07413",
    "kind": "arxiv",
    "version": 1
  }
}