Pith Number

pith:H55MI42O

pith:2018:H55MI42O6JIE4RI5INNE5PW6QV

not attested not anchored not stored refs pending

Quasinormal Modes and Greybody Factors of $f(R)$ gravity minimally coupled to a cloud of strings in $2+1$ Dimensions

Ali \"Ovg\"un, Kimet Jusufi

arxiv:1801.02555 v2 · 2018-01-08 · 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{H55MI42O6JIE4RI5INNE5PW6QV}

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	2026-05-18T00:12:13.957909Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f7ac4734ef2504e451d435a4ebede855d12a48bc1f41e9507e94021382563cf

Aliases

arxiv: 1801.02555 · arxiv_version: 1801.02555v2 · doi: 10.48550/arxiv.1801.02555 · pith_short_12: H55MI42O6JIE · pith_short_16: H55MI42O6JIE4RI5 · pith_short_8: H55MI42O

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/H55MI42O6JIE4RI5INNE5PW6QV \
  | 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: 3f7ac4734ef2504e451d435a4ebede855d12a48bc1f41e9507e94021382563cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec6666f627f968838f21636c448d35d2d95e2e303111c1fdaf7243e00302f650",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-01-08T16:57:55Z",
    "title_canon_sha256": "25a437caa7792dec3df30cf0f1b1bb3b76f6cbbee3879bd005031a1fa4308b8e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.02555",
    "kind": "arxiv",
    "version": 2
  }
}