Pith Number

pith:4ALPDEVD

pith:2012:4ALPDEVDIEVCTHTH6BD6ZX5A6L

not attested not anchored not stored refs pending

Assessment of SAR Image Filtering using Adaptive Stack Filters

Alejandro C. Frery, Heitor S. Ramos, Julio Jacobo, Maria E. Buemi, Marta Mejail

arxiv:1207.4308 v1 · 2012-07-18 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4ALPDEVDIEVCTHTH6BD6ZX5A6L}

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	2026-05-18T03:50:47.065808Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e016f192a3412a299e67f047ecdfa0f2d6f94f2b7365196efab3802e5458963a

Aliases

arxiv: 1207.4308 · arxiv_version: 1207.4308v1 · doi: 10.48550/arxiv.1207.4308 · pith_short_12: 4ALPDEVDIEVC · pith_short_16: 4ALPDEVDIEVCTHTH · pith_short_8: 4ALPDEVD

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/4ALPDEVDIEVCTHTH6BD6ZX5A6L \
  | 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: e016f192a3412a299e67f047ecdfa0f2d6f94f2b7365196efab3802e5458963a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17d897091235ae97f30b65e97538f497f6b2b63fca341c4b3d85be740037f73f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2012-07-18T09:16:07Z",
    "title_canon_sha256": "a37354078c1173252e5a460f6050fe625842ef63fd4bac384091c8feb9189614"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.4308",
    "kind": "arxiv",
    "version": 1
  }
}