Pith Number

pith:IUD7GHPY

pith:2000:IUD7GHPYUQZXO7ACSPBCNBE4TT

not attested not anchored not stored refs pending

Slim Disk Model for Soft X-Ray Excess and Variability of Narrow-Line Seyfert 1 Galaxies

2), 3), Kiyoshi Hayashida (4) ((1)Department of Astronomy, Kyoto University (2)Research Fellow of the Japan Society for the Promotion of Science (3)Astronomical Institute, Mitsuru Takeuchi (2, Osaka-Kyoiku University (4)Department of Earth, Osaka University), Shin Mineshige (1), Space Sciences, Toshihiro Kawaguchi (1

arxiv:astro-ph/0003017 v1 · 2000-03-02 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IUD7GHPYUQZXO7ACSPBCNBE4TT}

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	2026-05-18T01:40:48.213241Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4507f31df8a433777c0293c226849c9cd1ab7b1c2e8de959ee69100b2b3acb47

Aliases

arxiv: astro-ph/0003017 · arxiv_version: astro-ph/0003017v1 · doi: 10.48550/arxiv.astro-ph/0003017 · pith_short_12: IUD7GHPYUQZX · pith_short_16: IUD7GHPYUQZXO7AC · pith_short_8: IUD7GHPY

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/IUD7GHPYUQZXO7ACSPBCNBE4TT \
  | 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: 4507f31df8a433777c0293c226849c9cd1ab7b1c2e8de959ee69100b2b3acb47

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cefb4d435142b4bd7a79cc164c0b51cb8f57dc8ebcf5dd3a0f4a63c0cadef296",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-03-02T02:41:27Z",
    "title_canon_sha256": "93f42cf223af4cf546c5c72937c4ed81245e2c45bd1d5dcbac576f7e17d15962"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0003017",
    "kind": "arxiv",
    "version": 1
  }
}