Pith Number

pith:LHHUNYQH

pith:2026:LHHUNYQHBDI4U4B3JTPUQELEK6

not attested not anchored not stored refs pending

Study of Duffing oscillator using an improved Lindstedt Poincare method and relevant comparisons

Ramij Ahamed, Subhankar Ray

arxiv:2607.15233 v1 · 2026-07-16 · math-ph · math.MP · physics.class-ph · physics.comp-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{LHHUNYQHBDI4U4B3JTPUQELEK6}

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	2026-07-17T01:22:15.959448Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

59cf46e20708d1ca703b4cdf48116457895e3b8c3ee50898b761c6d438493596

Aliases

arxiv: 2607.15233 · arxiv_version: 2607.15233v1 · doi: 10.48550/arxiv.2607.15233 · pith_short_12: LHHUNYQHBDI4 · pith_short_16: LHHUNYQHBDI4U4B3 · pith_short_8: LHHUNYQH

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/LHHUNYQHBDI4U4B3JTPUQELEK6 \
  | 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: 59cf46e20708d1ca703b4cdf48116457895e3b8c3ee50898b761c6d438493596

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a26a7b76c319ef34e5c7b4b10a3e988570160e99385480e206c77fae169181e",
    "cross_cats_sorted": [
      "math.MP",
      "physics.class-ph",
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2026-07-16T17:33:08Z",
    "title_canon_sha256": "f04a9480a5f28ecf12d9d3dfb40e49db059e77326ce76a7d793ca0b607e3f71a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.15233",
    "kind": "arxiv",
    "version": 1
  }
}