Pith Number

pith:SCIQT6JT

pith:2021:SCIQT6JTQQ6MULBUFMVMOYMKUR

not attested not anchored not stored refs pending

A speckle filter for Sentinel-1 SAR Ground Range Detected data based on Residual Convolutional Neural Networks

Alessandro Sebastianelli, Maria Pia Del Rosso, Paolo Gamba, Silvia Liberata Ullo

arxiv:2104.09350 v2 · 2021-04-19 · cs.AI · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SCIQT6JTQQ6MULBUFMVMOYMKUR}

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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	2026-07-05T09:26:07.886271Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

909109f933843cca2c342b2ac7618aa4688f523f57670ff62e11770b772922c7

Aliases

arxiv: 2104.09350 · arxiv_version: 2104.09350v2 · doi: 10.48550/arxiv.2104.09350 · pith_short_12: SCIQT6JTQQ6M · pith_short_16: SCIQT6JTQQ6MULBU · pith_short_8: SCIQT6JT

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/SCIQT6JTQQ6MULBUFMVMOYMKUR \
  | 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: 909109f933843cca2c342b2ac7618aa4688f523f57670ff62e11770b772922c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "431f72f83f3fa14bdca191b9d1cc6621b25b5055d16c05d37f54250637461481",
    "cross_cats_sorted": [
      "eess.IV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2021-04-19T14:43:07Z",
    "title_canon_sha256": "affdf71d7fd9d020072d6de394989d1d7df3db86b53bfc0fd7d9ac7458296735"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.09350",
    "kind": "arxiv",
    "version": 2
  }
}