Pith Number

pith:LBE6BMET

pith:2016:LBE6BMETH3VR5LHCCMY5BFTNOQ

not attested not anchored not stored refs pending

Exact solutions in f(R) theory of gravity

Changjun Gao, You-Gen Shen

arxiv:1602.08164 v6 · 2016-02-26 · 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{LBE6BMETH3VR5LHCCMY5BFTNOQ}

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	2026-05-18T01:04:41.409231Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5849e0b0933eeb1eace21331d0966d74169c13b37b9f4bea212535168dce337b

Aliases

arxiv: 1602.08164 · arxiv_version: 1602.08164v6 · doi: 10.48550/arxiv.1602.08164 · pith_short_12: LBE6BMETH3VR · pith_short_16: LBE6BMETH3VR5LHC · pith_short_8: LBE6BMET

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/LBE6BMETH3VR5LHCCMY5BFTNOQ \
  | 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: 5849e0b0933eeb1eace21331d0966d74169c13b37b9f4bea212535168dce337b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d9514bc8daad24364cf36ad3d1ed636a729d19c10f06c20580a3e0dc5b9968e7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2016-02-26T01:21:45Z",
    "title_canon_sha256": "16f5c8c11656271ffdfb81914781cf04669f053b4e2a558c71af795506e82192"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.08164",
    "kind": "arxiv",
    "version": 6
  }
}