Pith Number

pith:GQQVLCLB

pith:2015:GQQVLCLBQAG7YBUJZ2VMWI75XR

not attested not anchored not stored refs pending

Equivalence among frames in extended gravity

L.Fatibene, S.Capozziello, S.Garruto

arxiv:1512.08535 v1 · 2015-12-28 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GQQVLCLBQAG7YBUJZ2VMWI75XR}

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	2026-05-18T01:23:37.493269Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3421558961800dfc0689ceaacb23fdbc461732fc20a99f9623d3fafc078fa12a

Aliases

arxiv: 1512.08535 · arxiv_version: 1512.08535v1 · doi: 10.48550/arxiv.1512.08535 · pith_short_12: GQQVLCLBQAG7 · pith_short_16: GQQVLCLBQAG7YBUJ · pith_short_8: GQQVLCLB

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/GQQVLCLBQAG7YBUJZ2VMWI75XR \
  | 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: 3421558961800dfc0689ceaacb23fdbc461732fc20a99f9623d3fafc078fa12a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a914ed171495eaabc119ed371f7036fb8c9cc050a225846d7bc52a8715d847de",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-12-28T21:33:37Z",
    "title_canon_sha256": "e7a111767c78af8d61f961ec0546605778194d41d9e88b9aa9105a3ebf75c61a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.08535",
    "kind": "arxiv",
    "version": 1
  }
}