Pith Number

pith:VNYWGSBK

pith:2022:VNYWGSBKEYX4BEIP6P5AVMX3H4

not attested not anchored not stored refs pending

Determination of supermassive black hole spins in local active galactic nuclei

M. Yu. Piotrovich, S. D. Buliga, T. M. Natsvlishvili

arxiv:2205.10623 v1 · 2022-05-21 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VNYWGSBKEYX4BEIP6P5AVMX3H4}

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

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	2026-07-05T04:25:21.717812Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab7163482a262fc0910ff3fa0ab2fb3f1349a3fcec7358222815ec0f183b9b3b

Aliases

arxiv: 2205.10623 · arxiv_version: 2205.10623v1 · doi: 10.48550/arxiv.2205.10623 · pith_short_12: VNYWGSBKEYX4 · pith_short_16: VNYWGSBKEYX4BEIP · pith_short_8: VNYWGSBK

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/VNYWGSBKEYX4BEIP6P5AVMX3H4 \
  | 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: ab7163482a262fc0910ff3fa0ab2fb3f1349a3fcec7358222815ec0f183b9b3b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce696b78fde089804222b2ea11d3612e414b992ae78759fa8787e2ba43a5b228",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2022-05-21T15:26:40Z",
    "title_canon_sha256": "2fd9f913d2ded1f28eb9dba62dca801d0a9c857eeb1c14d5e96e73fa0d230db1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2205.10623",
    "kind": "arxiv",
    "version": 1
  }
}