Pith Number

pith:XVNQLOYI

pith:2007:XVNQLOYIWEAPINPN47BC4XKMWO

not attested not anchored not stored refs pending

Fe K Line Profile in Low-redshift Quasars: Average Shape and Eddington Ratio Dependence

(2)Department of Physics, (3)The Observatories of the Carnegie Institution of Washington), Astronautical Science, Ehime Univesity, Hirohiko Inoue (1), Luis C. Ho (3) ((1)Institute of Space, Yuichi Terashima (2)

arxiv:astro-ph/0703350 v1 · 2007-03-14 · 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{XVNQLOYIWEAPINPN47BC4XKMWO}

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	2026-05-18T04:29:05.666125Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd5b05bb08b100f435ede7c22e5d4cb393327fda57c531d981a72748734976ae

Aliases

arxiv: astro-ph/0703350 · arxiv_version: astro-ph/0703350v1 · doi: 10.48550/arxiv.astro-ph/0703350 · pith_short_12: XVNQLOYIWEAP · pith_short_16: XVNQLOYIWEAPINPN · pith_short_8: XVNQLOYI

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/XVNQLOYIWEAPINPN47BC4XKMWO \
  | 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: bd5b05bb08b100f435ede7c22e5d4cb393327fda57c531d981a72748734976ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b28be12f943ae110041e2b58cb0316fb567665f8fe5479b67c1afe2286c6b2d5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-03-14T09:23:43Z",
    "title_canon_sha256": "fa47b8116005460defbdbda21da6235ea17d46179f17412a709ff031d4828579"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0703350",
    "kind": "arxiv",
    "version": 1
  }
}