Pith Number

pith:LT33OOVJ

pith:2021:LT33OOVJI5FEB7V7TOUYAVFHA7

not attested not anchored not stored refs pending

A new amplitude-frequency formula for non-conservative oscillators

Andr\'es Garc\'ia

arxiv:2103.01092 v1 · 2021-03-01 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LT33OOVJI5FEB7V7TOUYAVFHA7}

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	2026-07-05T02:19:12.822044Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5cf7b73aa9474a40febf9ba98054a707fdbf0039b35653cb1f116eb82fb674bd

Aliases

arxiv: 2103.01092 · arxiv_version: 2103.01092v1 · doi: 10.48550/arxiv.2103.01092 · pith_short_12: LT33OOVJI5FE · pith_short_16: LT33OOVJI5FEB7V7 · pith_short_8: LT33OOVJ

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/LT33OOVJI5FEB7V7TOUYAVFHA7 \
  | 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: 5cf7b73aa9474a40febf9ba98054a707fdbf0039b35653cb1f116eb82fb674bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c9fe70b33469f713be07845055184bfa6accbea3751f00e769b59e34d3a5fdae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2021-03-01T15:57:20Z",
    "title_canon_sha256": "0311fdb5c7f472c2e0cb1dbf28e77e88427d7662aebec457fb67883f8e948584"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.01092",
    "kind": "arxiv",
    "version": 1
  }
}