pith. sign in
Pith Number

pith:6D4RS26V

pith:2017:6D4RS26VCWP52EJ6AQKRSX57NG
not attested not anchored not stored refs pending

A perturbation theory approach to the stability of the Pais-Uhlenbeck oscillator

Jos\'e A. Vallejo, Misael Avenda\~no-Camacho, Yury Vorobiev

arxiv:1703.08929 v2 · 2017-03-27 · math-ph · gr-qc · hep-th · math.MP

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{6D4RS26VCWP52EJ6AQKRSX57NG}

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 2026-05-18T00:16:19.532857Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

f0f9196bd5159fdd113e0415195fbf699d5348a018c60871d2455e6396f5c3e1

Aliases

arxiv: 1703.08929 · arxiv_version: 1703.08929v2 · doi: 10.48550/arxiv.1703.08929 · pith_short_12: 6D4RS26VCWP5 · pith_short_16: 6D4RS26VCWP52EJ6 · pith_short_8: 6D4RS26V
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/6D4RS26VCWP52EJ6AQKRSX57NG \
  | 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: f0f9196bd5159fdd113e0415195fbf699d5348a018c60871d2455e6396f5c3e1
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "dfe8729eb0b225788008d2416d5efacd499e19a09fec93adbdb70df3f2038cea",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2017-03-27T04:51:17Z",
    "title_canon_sha256": "bbfb61ed8ea58410e0332b708d5bfa1a925917ab8e83003f11bb0e2d0d0e4b69"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.08929",
    "kind": "arxiv",
    "version": 2
  }
}