Pith Number

pith:G7QTJCRF

pith:2012:G7QTJCRFVZAQ7FHY64ZVTPICAD

not attested not anchored not stored refs pending

ISAR Image Formation Using Sequential Minimization of L0 and L2 Norms

Gang Li, Wei Rao, Xiang-Gen Xia, Xiqin Wang

arxiv:1202.5110 v4 · 2012-02-23 · 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{G7QTJCRFVZAQ7FHY64ZVTPICAD}

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	2026-05-18T03:41:21.467408Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

37e1348a25ae410f94f8f73359bd0200f8a034a5a86ec7599ea5d5a4ad40552b

Aliases

arxiv: 1202.5110 · arxiv_version: 1202.5110v4 · doi: 10.48550/arxiv.1202.5110 · pith_short_12: G7QTJCRFVZAQ · pith_short_16: G7QTJCRFVZAQ7FHY · pith_short_8: G7QTJCRF

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/G7QTJCRFVZAQ7FHY64ZVTPICAD \
  | 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: 37e1348a25ae410f94f8f73359bd0200f8a034a5a86ec7599ea5d5a4ad40552b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae26b15e4c28c7949873b65e7f0d73c925b66c3f75e8991ea7748f68c0f4a26a",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-02-23T08:27:23Z",
    "title_canon_sha256": "e1559938ba7b53852ff93e149ae59ec6ff2302cad96c18fede2c8ad0a52b76d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.5110",
    "kind": "arxiv",
    "version": 4
  }
}