Pith Number

pith:ETY3FWXS

pith:2019:ETY3FWXSCIV5RGNORUIUJVS2IJ

not attested not anchored not stored refs pending

Directional Distribution of Ocean Surface Roughness Observed in Microwave Radar Backscattering

Paul A. Hwang

arxiv:1906.11200 v1 · 2019-06-19 · physics.ao-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ETY3FWXSCIV5RGNORUIUJVS2IJ}

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	2026-05-17T23:42:09.473629Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24f1b2daf2122bd899ae8d1144d65a42509ccf998e7702370f069176e29e2166

Aliases

arxiv: 1906.11200 · arxiv_version: 1906.11200v1 · doi: 10.48550/arxiv.1906.11200 · pith_short_12: ETY3FWXSCIV5 · pith_short_16: ETY3FWXSCIV5RGNO · pith_short_8: ETY3FWXS

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/ETY3FWXSCIV5RGNORUIUJVS2IJ \
  | 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: 24f1b2daf2122bd899ae8d1144d65a42509ccf998e7702370f069176e29e2166

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "167e2562aee1e9ae094c03eee762432b4a6ed919e06b17a6edabdd5c585eb472",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ao-ph",
    "submitted_at": "2019-06-19T17:26:07Z",
    "title_canon_sha256": "4e9317d46fe8c3eec15aeef86de0d9c1d97b898e0801701722bb1fd94e8a4f1e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.11200",
    "kind": "arxiv",
    "version": 1
  }
}