Pith Number

pith:EIM5SAKX

pith:2018:EIM5SAKXQBFCLLZJGU6UDUREXI

not attested not anchored not stored refs pending

A Comparison of Frequency Downshift Models of Wave Trains on Deep Water

Diane Henderson, Isabelle Butterfield, John D. Carter

arxiv:1809.09536 v2 · 2018-09-25 · physics.flu-dyn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EIM5SAKXQBFCLLZJGU6UDUREXI}

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	2026-05-17T23:55:19.668687Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2219d90157804a25af29353d41d224ba2e6572fe0cf28c5ef341c7de30a8f23f

Aliases

arxiv: 1809.09536 · arxiv_version: 1809.09536v2 · doi: 10.48550/arxiv.1809.09536 · pith_short_12: EIM5SAKXQBFC · pith_short_16: EIM5SAKXQBFCLLZJ · pith_short_8: EIM5SAKX

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/EIM5SAKXQBFCLLZJGU6UDUREXI \
  | 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: 2219d90157804a25af29353d41d224ba2e6572fe0cf28c5ef341c7de30a8f23f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae0216b62bf965760591eda690358c88c40ca53dad33f294c38d8dc3fb1b7892",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2018-09-25T15:11:14Z",
    "title_canon_sha256": "fe2518949216b7280588b59a38a1c9e05d34512f726de5b6d77334a5a69fd592"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.09536",
    "kind": "arxiv",
    "version": 2
  }
}