Pith Number

pith:BWJFHFFE

pith:2001:BWJFHFFEAU4LEIOTNO45KUSOJ2

not attested not anchored not stored refs pending

An Empirical Ultraviolet Template for Iron Emission in Quasars as Derived from I Zw 1

(2) Smithsonian Astrophysical Observatory), B. J. Wilkes (2) ((1) The Ohio State University, M. Vestergaard (1)

arxiv:astro-ph/0104320 v1 · 2001-04-19 · 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{BWJFHFFEAU4LEIOTNO45KUSOJ2}

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

3 papers in Pith

AGN radiative feedback as the main regulator of [O III] outflow activity and obscuration in X-ray AGN

HALO II: Constraining Hubble constant $H_{0}$ through continuum delay fitting of Fairall 9

Strong X-ray Variability of I Zwicky 1: Obscuration from Clumpy Accretion-Disk Winds

Receipt and verification

First computed	2026-05-18T04:23:01.343523Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d925394a40538b221d36bb9d5524e4e9030d1fcd129aa550cc3e3cec7bb8ef1

Aliases

arxiv: astro-ph/0104320 · arxiv_version: astro-ph/0104320v1 · doi: 10.48550/arxiv.astro-ph/0104320 · pith_short_12: BWJFHFFEAU4L · pith_short_16: BWJFHFFEAU4LEIOT · pith_short_8: BWJFHFFE

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/BWJFHFFEAU4LEIOTNO45KUSOJ2 \
  | 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: 0d925394a40538b221d36bb9d5524e4e9030d1fcd129aa550cc3e3cec7bb8ef1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f24ed8ee4c0a486bac7ee2499fcaf78f3b975ca2f2e3703c93985882ad90b04f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-04-19T16:20:14Z",
    "title_canon_sha256": "c20f0f5313ec4802b4aaa0b74829bb7912a7d04330daa60fdf371166633226d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0104320",
    "kind": "arxiv",
    "version": 1
  }
}