Pith Number

pith:VMR426V4

pith:2014:VMR426V4TZQFUX22INZK5MLDX3

not attested not anchored not stored refs pending

Third order equations of motion and the Ostrogradsky instability

Hayato Motohashi, Teruaki Suyama

arxiv:1411.3721 v2 · 2014-11-13 · physics.class-ph · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VMR426V4TZQFUX22INZK5MLDX3}

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.

Cited by

1 paper in Pith

Probing higher curvature gravity via ringdown with overtones

Receipt and verification

First computed	2026-05-18T02:18:49.156345Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab23cd7abc9e605a5f5a4372aeb163bef1c525c31a135942b44442d957a3b783

Aliases

arxiv: 1411.3721 · arxiv_version: 1411.3721v2 · doi: 10.48550/arxiv.1411.3721 · pith_short_12: VMR426V4TZQF · pith_short_16: VMR426V4TZQFUX22 · pith_short_8: VMR426V4

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/VMR426V4TZQFUX22INZK5MLDX3 \
  | 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: ab23cd7abc9e605a5f5a4372aeb163bef1c525c31a135942b44442d957a3b783

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "261694c09b3e81fb52d8fc8848cd330221c3b700754e1cc5b074f35ae494709c",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2014-11-13T21:00:01Z",
    "title_canon_sha256": "900a378a788c8eeb293e4e38fbcfe2d33d25d594a4f831f849a904020421bd2f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.3721",
    "kind": "arxiv",
    "version": 2
  }
}