Pith Number

pith:UVHYET3R

pith:2019:UVHYET3RTF5HDL4EMYOWKWNJK3

not attested not anchored not stored refs pending

Action-angle variables for the purely nonlinear oscillator

Aritra Ghosh, Chandrasekhar Bhamidipati

arxiv:1905.08062 v2 · 2019-05-16 · physics.class-ph · nlin.CD · nlin.PS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UVHYET3RTF5HDL4EMYOWKWNJK3}

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	2026-05-17T23:39:53.808949Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a54f824f71997a71af84661d6559a956fddb9da0a37e23c4b9cf3f3a2c9c02b3

Aliases

arxiv: 1905.08062 · arxiv_version: 1905.08062v2 · doi: 10.48550/arxiv.1905.08062 · pith_short_12: UVHYET3RTF5H · pith_short_16: UVHYET3RTF5HDL4E · pith_short_8: UVHYET3R

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/UVHYET3RTF5HDL4EMYOWKWNJK3 \
  | 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: a54f824f71997a71af84661d6559a956fddb9da0a37e23c4b9cf3f3a2c9c02b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b77afff11961af39fb29167f7d30200d3a727f6c443dfe39e1bf4a4fabdb116b",
    "cross_cats_sorted": [
      "nlin.CD",
      "nlin.PS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2019-05-16T12:34:11Z",
    "title_canon_sha256": "ec0e2581826958062307f3e2cc3a3291f8fc4af91071e0fb6e5ca3eab48a5181"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.08062",
    "kind": "arxiv",
    "version": 2
  }
}