Pith Number

pith:KN3U3CHS

pith:2022:KN3U3CHSUVVCM2AI2XAPNIQW3J

not attested not anchored not stored refs pending

Narrow Fe-K$\alpha$ Reverberation Mapping Unveils the Deactivated Broad-Line Region in a Changing-Look Active Galactic Nucleus

Hiroaki Sameshima, Hirofumi Noda, Hironori Matsumoto, Koji S. Kawabata, Kumiko Morihana, Makoto Watanabe, Mitsuru Kokubo, Satoshi Yamada, Taiki Kawamuro, Taisei Mineta, Takashi Horiuchi, Takeo Minezaki, Yasushi Fukazawa, Yoichi Itoh

arxiv:2212.02731 v1 · 2022-12-06 · 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{KN3U3CHSUVVCM2AI2XAPNIQW3J}

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.

Receipt and verification

First computed	2026-07-05T05:37:10.664014Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53774d88f2a56a266808d5c0f6a216da7a0418d6f47b37621867aa7a437c30a3

Aliases

arxiv: 2212.02731 · arxiv_version: 2212.02731v1 · doi: 10.48550/arxiv.2212.02731 · pith_short_12: KN3U3CHSUVVC · pith_short_16: KN3U3CHSUVVCM2AI · pith_short_8: KN3U3CHS

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/KN3U3CHSUVVCM2AI2XAPNIQW3J \
  | 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: 53774d88f2a56a266808d5c0f6a216da7a0418d6f47b37621867aa7a437c30a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9430960956b44ba5e8171c0f837e63d3e5ca836b41101464c3e07c31a4212635",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2022-12-06T03:39:56Z",
    "title_canon_sha256": "4cd2fa94742fe0364acf328a65cb0f49e0531fc0ef7a11a3afc159a03246d734"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2212.02731",
    "kind": "arxiv",
    "version": 1
  }
}