Pith Number

pith:RWUQ75D3

pith:2018:RWUQ75D337Y2BIAQA7DKEPSLLG

not attested not anchored not stored refs pending

Quasinormal modes as a distinguisher between general relativity and f(R) gravity: Charged black-holes

Soham Bhattacharyya (IISER Thiruvananthapuram), S. Shankaranarayanan (IIT Bombay)

arxiv:1803.07576 v3 · 2018-03-20 · gr-qc · astro-ph.CO · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RWUQ75D337Y2BIAQA7DKEPSLLG}

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	2026-05-18T00:05:39.276871Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8da90ff47bdff1a0a01007c6a23e4b59b67f9f821c4fe9745dbd6c9f0464af56

Aliases

arxiv: 1803.07576 · arxiv_version: 1803.07576v3 · doi: 10.48550/arxiv.1803.07576 · pith_short_12: RWUQ75D337Y2 · pith_short_16: RWUQ75D337Y2BIAQ · pith_short_8: RWUQ75D3

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/RWUQ75D337Y2BIAQA7DKEPSLLG \
  | 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: 8da90ff47bdff1a0a01007c6a23e4b59b67f9f821c4fe9745dbd6c9f0464af56

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b162cc38d2ebfa7b7293dba94bf2a8900e1dda694204caf8bec11ada27969028",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-03-20T18:02:32Z",
    "title_canon_sha256": "34c81c9c10d23e17f3905085f538371e76f19f6ee33464523a0c442cadbfe944"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.07576",
    "kind": "arxiv",
    "version": 3
  }
}