Pith Number

pith:KCWNWRZZ

pith:2019:KCWNWRZZNQLX2EDRRBTVWQPMG6

not attested not anchored not stored refs pending

Variable Spectral Slope and Nonequilibrium Surface Wave Spectrum

Paul A. Hwang

arxiv:1906.07998 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{KCWNWRZZNQLX2EDRRBTVWQPMG6}

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	2026-05-17T23:42:54.948403Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

50acdb47396c177d107188675b41ec3781786abac1671d1ab150f82423e5382f

Aliases

arxiv: 1906.07998 · arxiv_version: 1906.07998v1 · doi: 10.48550/arxiv.1906.07998 · pith_short_12: KCWNWRZZNQLX · pith_short_16: KCWNWRZZNQLX2EDR · pith_short_8: KCWNWRZZ

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/KCWNWRZZNQLX2EDRRBTVWQPMG6 \
  | 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: 50acdb47396c177d107188675b41ec3781786abac1671d1ab150f82423e5382f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d024c6aaca249bd3f55446bb966fe2f89facc0626b614970b62d37b6d02002f8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ao-ph",
    "submitted_at": "2019-06-19T09:36:25Z",
    "title_canon_sha256": "f84163a1d4097642bee6f9ed1e5af2a447d8e91a69a2f449785bd8b7721eafd5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.07998",
    "kind": "arxiv",
    "version": 1
  }
}