Pith Number

pith:3DILL4MF

pith:2019:3DILL4MFCMOOBI6T7EWJK7YK2N

not attested not anchored not stored refs pending

An overview of quasinormal modes in modified and extended gravity

Aur\'elien Barrau, Flora Moulin, Killian Martineau

arxiv:1908.06311 v3 · 2019-08-17 · gr-qc · astro-ph.HE · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3DILL4MFCMOOBI6T7EWJK7YK2N}

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	2026-07-05T00:07:37.250825Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d8d0b5f185131ce0a3d3f92c957f0ad361657fa5a2951431220e48cf24179977

Aliases

arxiv: 1908.06311 · arxiv_version: 1908.06311v3 · doi: 10.48550/arxiv.1908.06311 · pith_short_12: 3DILL4MFCMOO · pith_short_16: 3DILL4MFCMOOBI6T · pith_short_8: 3DILL4MF

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/3DILL4MFCMOOBI6T7EWJK7YK2N \
  | 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: d8d0b5f185131ce0a3d3f92c957f0ad361657fa5a2951431220e48cf24179977

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba8db89278c92b80d5009da3400c9454ebab0d78a94508e536732faa5aa73c7e",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-08-17T15:25:46Z",
    "title_canon_sha256": "5eced41cd2e6a18c63cb078a231f8e789ca2fbf4a29d3c1fe8c3c2b0654b54d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.06311",
    "kind": "arxiv",
    "version": 3
  }
}