Pith Number

pith:5O3FPYQ4

pith:2019:5O3FPYQ43ZBBGY6YK2LSQC6IEG

not attested not anchored not stored refs pending

EHT constraint on the ultralight scalar hair of the M87 supermassive black hole

Carlos A. R. Herdeiro, Eugen Radu, Pedro V.P. Cunha

arxiv:1909.08039 v2 · 2019-09-17 · 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{5O3FPYQ43ZBBGY6YK2LSQC6IEG}

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.

Cited by

3 papers in Pith

$\tt BlackHawk$ $\tt v3.0$: Hawking Radiation from Regular Black Holes

Shadow of the Scalar Hairy Black Hole with Inverted Higgs Potential

Perturbations in the parametrized wormhole spacetime and their related quasinormal modes

Receipt and verification

First computed	2026-07-05T00:30:25.266036Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ebb657e21cde421363d85697280bc82194576bcd81205974eb7cf99bbfe6c4e6

Aliases

arxiv: 1909.08039 · arxiv_version: 1909.08039v2 · doi: 10.48550/arxiv.1909.08039 · pith_short_12: 5O3FPYQ43ZBB · pith_short_16: 5O3FPYQ43ZBBGY6Y · pith_short_8: 5O3FPYQ4

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/5O3FPYQ43ZBBGY6YK2LSQC6IEG \
  | 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: ebb657e21cde421363d85697280bc82194576bcd81205974eb7cf99bbfe6c4e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3cde1bfc3b8c5992197519b0b27dea0f2284c33c9f161b6373b429dbcd905e3f",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-09-17T19:14:36Z",
    "title_canon_sha256": "3bc02a177d98218c8c67d6566a79e7574856dc05e054d4bbc95f204071840d52"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.08039",
    "kind": "arxiv",
    "version": 2
  }
}