Pith Number

pith:2YT2BOBJ

pith:2010:2YT2BOBJTYJNK6HIVRUCXLGM6Y

not attested not anchored not stored refs pending

Testing the No-Hair Theorem with Observations in the Electromagnetic Spectrum: II. Black-Hole Images

Dimitrios Psaltis (Arizona), Tim Johannsen (Arizona)

arxiv:1005.1931 v2 · 2010-05-11 · astro-ph.HE · gr-qc

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2YT2BOBJTYJNK6HIVRUCXLGM6Y}

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

5 papers in Pith

On-axis scattering of scalar fields by charged rotating black holes

A First-Order Eikonal Framework for Quasinormal Modes, Shadows, Strong Lensing, and Grey-Body Factors in a Scalarized Black-Hole Metric

Reshaping the inner shadow of a Kerr black hole by a torn accretion disk

Probing Kalb-Ramond gravity with charged rotating black holes: constraints from EHT observations

A First-Order Eikonal Framework for Quasinormal Modes, Shadows, Strong Lensing, and Grey-Body Factors in a Scalarized Black-Hole Metric

Receipt and verification

First computed	2026-05-18T02:07:34.042529Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d627a0b8299e12d578e8ac682bacccf634b67aa5994c04aa02817d89cffad864

Aliases

arxiv: 1005.1931 · arxiv_version: 1005.1931v2 · doi: 10.48550/arxiv.1005.1931 · pith_short_12: 2YT2BOBJTYJN · pith_short_16: 2YT2BOBJTYJNK6HI · pith_short_8: 2YT2BOBJ

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/2YT2BOBJTYJNK6HIVRUCXLGM6Y \
  | 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: d627a0b8299e12d578e8ac682bacccf634b67aa5994c04aa02817d89cffad864

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e26adeabeddc8ffa6b1b9b5683a8cd02f3e9ba8833b7d64ddea13e897a2aaa03",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2010-05-11T20:01:20Z",
    "title_canon_sha256": "899a82c927c235d9afeeab0527f77e252269d842c3d774632f61f885f4d74fef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.1931",
    "kind": "arxiv",
    "version": 2
  }
}