Pith Number

pith:QTGX7FPG

pith:2013:QTGX7FPGT4RVAFKKREQ2IWEYST

not attested not anchored not stored refs pending

Boundedness of semilinear Duffing equations at resonance with oscillating nonlinearities

Daxiong Piao, Yiqian Wang, Zhiguo Wang

arxiv:1312.1842 v1 · 2013-12-06 · 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{QTGX7FPGT4RVAFKKREQ2IWEYST}

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	2026-05-18T03:05:19.612062Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84cd7f95e69f2350154a8921a4589894f1a0f7dfc411f7476fd3049da69227bc

Aliases

arxiv: 1312.1842 · arxiv_version: 1312.1842v1 · doi: 10.48550/arxiv.1312.1842 · pith_short_12: QTGX7FPGT4RV · pith_short_16: QTGX7FPGT4RVAFKK · pith_short_8: QTGX7FPG

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/QTGX7FPGT4RVAFKKREQ2IWEYST \
  | 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: 84cd7f95e69f2350154a8921a4589894f1a0f7dfc411f7476fd3049da69227bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b3144a3e0c917c80c78ea9bee2ca5709124aa648ff4dc83c5fab3bef4bd6b5e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2013-12-06T12:29:52Z",
    "title_canon_sha256": "e8cf85d1cb2e5a5bb99640aa0b9269eb9ab5a7335b084cf6dc12ad0cd3ff8f2b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.1842",
    "kind": "arxiv",
    "version": 1
  }
}