Pith Number

pith:PGJBQN3N

pith:2018:PGJBQN3NS5SKG5WSMQNGNOYEBM

not attested not anchored not stored refs pending

About the Cauchy problem in Stelle's quadratic gravity

J. Osorio Morales, O. Santill\'an

arxiv:1811.07869 v4 · 2018-11-19 · hep-th · gr-qc · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PGJBQN3NS5SKG5WSMQNGNOYEBM}

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	2026-05-17T23:50:58.887618Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

799218376d9764a376d2641a66bb040b3da149931794c435ba9c0fa4b0f6765e

Aliases

arxiv: 1811.07869 · arxiv_version: 1811.07869v4 · doi: 10.48550/arxiv.1811.07869 · pith_short_12: PGJBQN3NS5SK · pith_short_16: PGJBQN3NS5SKG5WS · pith_short_8: PGJBQN3N

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/PGJBQN3NS5SKG5WSMQNGNOYEBM \
  | 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: 799218376d9764a376d2641a66bb040b3da149931794c435ba9c0fa4b0f6765e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "341a4d7028edf7c9a3f506c1aeedae4838e94a38857778753814028903cabe77",
    "cross_cats_sorted": [
      "gr-qc",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2018-11-19T18:45:55Z",
    "title_canon_sha256": "7748269ad434b1fda1ad751b27de49843ef6866508e0c11ce5753966e426e513"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.07869",
    "kind": "arxiv",
    "version": 4
  }
}