Pith Number

pith:TSEZVSQL

pith:2019:TSEZVSQLG32Q7FDYHSOIYQSWPG

not attested not anchored not stored refs pending

Black Hole Spin and Accretion Disk Magnetic Field Strength Estimates for more than 750 AGN and Multiple GBH

Ruth A. Daly

arxiv:1905.11319 v2 · 2019-05-27 · astro-ph.HE · astro-ph.GA

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TSEZVSQLG32Q7FDYHSOIYQSWPG}

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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

Estimation of black hole spins in low-mass AGNs and comparison with other types of AGNs

Receipt and verification

First computed	2026-07-05T00:23:22.469217Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c899aca0b36f50f94783c9c8c425679965436de1980c1810708935061275ff1

Aliases

arxiv: 1905.11319 · arxiv_version: 1905.11319v2 · doi: 10.48550/arxiv.1905.11319 · pith_short_12: TSEZVSQLG32Q · pith_short_16: TSEZVSQLG32Q7FDY · pith_short_8: TSEZVSQL

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/TSEZVSQLG32Q7FDYHSOIYQSWPG \
  | 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: 9c899aca0b36f50f94783c9c8c425679965436de1980c1810708935061275ff1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0db33fadb2bcf0088dc638bb1d992334f10c25db99150fa2a76019a0270950dc",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-05-27T16:10:09Z",
    "title_canon_sha256": "a2df39c203a603fa97cbe68a09d910e89bed9c67358b9f7bd04c804e7efad5f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.11319",
    "kind": "arxiv",
    "version": 2
  }
}