Pith Number

pith:FBSAPOMX

pith:2018:FBSAPOMXJS7UQ56ON2EP7T5GWV

not attested not anchored not stored refs pending

Radar Imaging by Sparse Optimization Incorporating MRF Clustering Prior

Guoqiang Zhao, Houjun Sun, Moeness Amin, Shiyong Li

arxiv:1812.02366 v1 · 2018-12-06 · 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{FBSAPOMXJS7UQ56ON2EP7T5GWV}

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	2026-05-17T23:58:56.492602Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

286407b9974cbf4877ce6e88ffcfa6b541335b16b09dd8a3cefabeab6441d097

Aliases

arxiv: 1812.02366 · arxiv_version: 1812.02366v1 · doi: 10.48550/arxiv.1812.02366 · pith_short_12: FBSAPOMXJS7U · pith_short_16: FBSAPOMXJS7UQ56O · pith_short_8: FBSAPOMX

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/FBSAPOMXJS7UQ56ON2EP7T5GWV \
  | 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: 286407b9974cbf4877ce6e88ffcfa6b541335b16b09dd8a3cefabeab6441d097

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d9ac9ea65817060a5f413d29e870611d7190d63a3cb42246281ce52f36e13b1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2018-12-06T06:30:16Z",
    "title_canon_sha256": "57889f7cf3c7ec750d57ddf9459bbd7c3734209592337cc7219d1c0ef55f34f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.02366",
    "kind": "arxiv",
    "version": 1
  }
}