Pith Number

pith:W3W2JWS3

pith:2015:W3W2JWS3UE4NFMIV5TTJ44T3RC

not attested not anchored not stored refs pending

A method for Hamiltonian truncation: A four-wave example

Iber\^e L. Caldas, Philip J. Morrison, Thiago F. Viscondi

arxiv:1509.09247 v2 · 2015-09-30 · physics.flu-dyn · math-ph · math.MP · nlin.CD

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W3W2JWS3UE4NFMIV5TTJ44T3RC}

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	2026-05-18T01:23:03.051296Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6eda4da5ba138d2b115ece69e727b889066f7d1662b003ab0544452ac988c2b

Aliases

arxiv: 1509.09247 · arxiv_version: 1509.09247v2 · doi: 10.48550/arxiv.1509.09247 · pith_short_12: W3W2JWS3UE4N · pith_short_16: W3W2JWS3UE4NFMIV · pith_short_8: W3W2JWS3

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/W3W2JWS3UE4NFMIV5TTJ44T3RC \
  | 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: b6eda4da5ba138d2b115ece69e727b889066f7d1662b003ab0544452ac988c2b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4b96a2d18f026b5737261e38f6bac3e1a38a56cedcf58daf80b7ff029cabaa4",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP",
      "nlin.CD"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2015-09-30T16:31:07Z",
    "title_canon_sha256": "aa8a70bd6c5562ca6a4a2d2e6e1bc59bea52a4d110c8b6fe95311b15cda45baa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.09247",
    "kind": "arxiv",
    "version": 2
  }
}