Pith Number

pith:HYZKPEYK

pith:2015:HYZKPEYKXI4GWW7KNJ54XNOV3E

not attested not anchored not stored refs pending

A New Black Hole Mass Estimate for Obscured Active Galactic Nuclei

Kyoko Matsushita, Takeo Minezaki

arxiv:1501.07522 v1 · 2015-01-29 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HYZKPEYKXI4GWW7KNJ54XNOV3E}

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

Reverberation in the Narrow Fe K${\alpha}$ Line in the Seyfert Galaxy NGC 4151 with XRISM

Receipt and verification

First computed	2026-05-18T01:41:05.870391Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e32a7930aba386b5bea6a7bcbb5d5d93be726fc1339dc45c503ab34ebffc334

Aliases

arxiv: 1501.07522 · arxiv_version: 1501.07522v1 · doi: 10.48550/arxiv.1501.07522 · pith_short_12: HYZKPEYKXI4G · pith_short_16: HYZKPEYKXI4GWW7K · pith_short_8: HYZKPEYK

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/HYZKPEYKXI4GWW7KNJ54XNOV3E \
  | 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: 3e32a7930aba386b5bea6a7bcbb5d5d93be726fc1339dc45c503ab34ebffc334

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2de97252cec6274e8d476d26cbc39de82a3be4f55bacd147c598686d29be92a8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-01-29T17:37:13Z",
    "title_canon_sha256": "0ecd77ceb00a59d8ded3ac10720cbec2f9d9aca4c916ae4483709fa9d6914639"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.07522",
    "kind": "arxiv",
    "version": 1
  }
}