Pith Number

pith:UGVZOMI4

pith:2017:UGVZOMI4FRFTTIA2NNJUU62W5Z

not attested not anchored not stored refs pending

A sharp sufficient condition of block signal recovery via $l_2/l_1$-minimization

Feng Zhang, Jianjun Wang, Jianwen Huang, Wendong Wang

arxiv:1710.11125 v1 · 2017-10-30 · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UGVZOMI4FRFTTIA2NNJUU62W5Z}

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	2026-05-18T00:31:44.709642Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1ab97311c2c4b39a01a6b534a7b56ee5a4a543b1c0b1b89361713dc3a81d6f3

Aliases

arxiv: 1710.11125 · arxiv_version: 1710.11125v1 · doi: 10.48550/arxiv.1710.11125 · pith_short_12: UGVZOMI4FRFT · pith_short_16: UGVZOMI4FRFTTIA2 · pith_short_8: UGVZOMI4

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/UGVZOMI4FRFTTIA2NNJUU62W5Z \
  | 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: a1ab97311c2c4b39a01a6b534a7b56ee5a4a543b1c0b1b89361713dc3a81d6f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b1c0b7e2b0ae10b250b7760e27cecdc94b427379cb75164f8476395c250d65e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2017-10-30T12:44:28Z",
    "title_canon_sha256": "d13ae8e06fc16aeba18fa60c8bae703cedb57f7598cc6a3e60dedb368f84ae6a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.11125",
    "kind": "arxiv",
    "version": 1
  }
}