Pith Number

pith:4Z6D5ZHH

pith:2009:4Z6D5ZHHFT5EOUSK2WDSHIJ3ZG

not attested not anchored not stored refs pending

Instability and Nonlinear Evolution of Narrow-Band Directional Ocean Waves

Bengt Eliasson, Padma K. Shukla

arxiv:0912.0474 v3 · 2009-12-02 · physics.flu-dyn · 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{4Z6D5ZHHFT5EOUSK2WDSHIJ3ZG}

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	2026-05-18T02:10:34.520958Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e67c3ee4e72cfa47524ad58723a13bc9a4de42c7c3993ad758b2d113ccff51e2

Aliases

arxiv: 0912.0474 · arxiv_version: 0912.0474v3 · doi: 10.48550/arxiv.0912.0474 · pith_short_12: 4Z6D5ZHHFT5E · pith_short_16: 4Z6D5ZHHFT5EOUSK · pith_short_8: 4Z6D5ZHH

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/4Z6D5ZHHFT5EOUSK2WDSHIJ3ZG \
  | 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: e67c3ee4e72cfa47524ad58723a13bc9a4de42c7c3993ad758b2d113ccff51e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a18fcd1c45508593c25258107a94128e6ffd9a93ea4c5fc8412301e5ce9a77a",
    "cross_cats_sorted": [
      "physics.ao-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2009-12-02T17:42:56Z",
    "title_canon_sha256": "6578a1b1bb4e9bc4bfd1a385ba567142742e2361f15b2b415acc6e64f50ddb97"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.0474",
    "kind": "arxiv",
    "version": 3
  }
}