Pith Number

pith:XAQ77TEI

pith:2014:XAQ77TEIX53DKXPPUFVNB7WHGU

not attested not anchored not stored refs pending

Higher Order Lagrangians inspired by the Pais-Uhlenbeck Oscillator and their cosmological applications

Catolica), Genly Leon (Valparaiso U., Gustavo Pulgar (Valparaiso U., Joel Saavedra (Valparaiso U., Yoelsy Leyva (Tarapaca U.)

arxiv:1408.5885 v3 · 2014-08-25 · gr-qc · astro-ph.CO · 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{XAQ77TEIX53DKXPPUFVNB7WHGU}

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	2026-05-18T01:59:58.472762Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b821ffcc88bf76355defa16ad0fec735267db745a5a151ce399b305b4d090c15

Aliases

arxiv: 1408.5885 · arxiv_version: 1408.5885v3 · doi: 10.48550/arxiv.1408.5885 · pith_short_12: XAQ77TEIX53D · pith_short_16: XAQ77TEIX53DKXPP · pith_short_8: XAQ77TEI

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/XAQ77TEIX53DKXPPUFVNB7WHGU \
  | 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: b821ffcc88bf76355defa16ad0fec735267db745a5a151ce399b305b4d090c15

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01ddff8e10b2a1a35460d9d6bfb24783dbec8c450bacf52532ee07a1744b6cb2",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2014-08-25T19:50:32Z",
    "title_canon_sha256": "7373817ceb46c702676ddf0fc3930f4b1734af61a92d78f27b06593a4deebcc1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.5885",
    "kind": "arxiv",
    "version": 3
  }
}