Pith Number

pith:HWRRHAC5

pith:2018:HWRRHAC5L7HPZP7DDREHETG6PI

not attested not anchored not stored refs pending

Testing the accuracy of reflection-based supermassive black hole spin measurements in AGN

E. Nardini, E. S. Kammoun, G. Risaliti

arxiv:1802.06800 v2 · 2018-02-19 · astro-ph.HE

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HWRRHAC5L7HPZP7DDREHETG6PI}

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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

1 paper in Pith

Simulation-Based Prediction of Black Hole Fe K$\alpha$ Line Profiles

Receipt and verification

First computed	2026-05-18T00:13:27.692688Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3da313805d5fcefcbfe31c48724cde7a14572c932d488ff764e95e9103dbb0f5

Aliases

arxiv: 1802.06800 · arxiv_version: 1802.06800v2 · doi: 10.48550/arxiv.1802.06800 · pith_short_12: HWRRHAC5L7HP · pith_short_16: HWRRHAC5L7HPZP7D · pith_short_8: HWRRHAC5

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/HWRRHAC5L7HPZP7DDREHETG6PI \
  | 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: 3da313805d5fcefcbfe31c48724cde7a14572c932d488ff764e95e9103dbb0f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "220d1733ce8dd4f47507910e8ae0811c0902d7417b7809fa03737cdcc4ad69ae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-02-19T19:00:21Z",
    "title_canon_sha256": "888708f367d6a382816b7af06426249ee39f98c9ae42f3c891131b16acebb268"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.06800",
    "kind": "arxiv",
    "version": 2
  }
}