Pith Number

pith:OR6IYNJJ

pith:2019:OR6IYNJJHKHWHYVFW47UWW4MSW

not attested not anchored not stored refs pending

Classes of non-minimally coupled scalar fields in spatially curved FRW spacetimes

Georgios Lukes-Gerakopoulos, Giovanni Acquaviva, Morteza Kerachian

arxiv:1905.08512 v1 · 2019-05-21 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OR6IYNJJHKHWHYVFW47UWW4MSW}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-17T23:43:14.329180Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

747c8c35293a8f63e2a5b73f4b5b8c95868b63cd7e8ad45bdc2ba2a6e21ac02d

Aliases

arxiv: 1905.08512 · arxiv_version: 1905.08512v1 · doi: 10.48550/arxiv.1905.08512 · pith_short_12: OR6IYNJJHKHW · pith_short_16: OR6IYNJJHKHWHYVF · pith_short_8: OR6IYNJJ

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/OR6IYNJJHKHWHYVFW47UWW4MSW \
  | 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: 747c8c35293a8f63e2a5b73f4b5b8c95868b63cd7e8ad45bdc2ba2a6e21ac02d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "65b5b2b965cb25464955a2e7574faa5b916270df32ee372cb8d4b5e68a29ba4e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-05-21T09:27:06Z",
    "title_canon_sha256": "999545925e74042b6de64a0bb4d1f69bc314c4501f0e821e59c79f77c2f4cfba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.08512",
    "kind": "arxiv",
    "version": 1
  }
}