Pith Number

pith:QFKRII6X

pith:2017:QFKRII6XY64CFFJH2BHZN33ALL

not attested not anchored not stored refs pending

Exploring Plane Symmetric Solutions in $f(R)$ Gravity

M. Farasat Shamir

arxiv:1706.04435 v1 · 2017-06-13 · 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{QFKRII6XY64CFFJH2BHZN33ALL}

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	2026-05-18T00:42:22.685904Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81551423d7c7b8229527d04f96ef605afb7cbfd658240312bbf29707d30e3c19

Aliases

arxiv: 1706.04435 · arxiv_version: 1706.04435v1 · doi: 10.48550/arxiv.1706.04435 · pith_short_12: QFKRII6XY64C · pith_short_16: QFKRII6XY64CFFJH · pith_short_8: QFKRII6X

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/QFKRII6XY64CFFJH2BHZN33ALL \
  | 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: 81551423d7c7b8229527d04f96ef605afb7cbfd658240312bbf29707d30e3c19

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f067498cf39ac34a8cf08206295796819070ec9929d86560a4a2b5c218fa0e09",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-06-13T17:42:45Z",
    "title_canon_sha256": "8e6578db24b5fe939cc1755b92718fb766b149f5e1cf2f3db181522219d89585"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.04435",
    "kind": "arxiv",
    "version": 1
  }
}