Pith Number

pith:FFAYUTZX

pith:2006:FFAYUTZXRAQEJCPMAMCPT6E7TF

not attested not anchored not stored refs pending

Radio-loud Narrow-Line Type 1 Quasars

D. Grupe, D. Xu, G. Lemson, H.-M. Adorf, S. Komossa, S. Mathur, W. Duschl, W. Voges

arxiv:astro-ph/0603680 v1 · 2006-03-24 · 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{FFAYUTZXRAQEJCPMAMCPT6E7TF}

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

2 papers in Pith

The metallicities of little red dot host galaxies: LRDs are metal poor, but not pristine

Quenching of X-ray emission in little red dots by both Compton-thick gas and high accretion rates

Receipt and verification

First computed	2026-07-04T15:25:45.433990Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

29418a4f3788204489ec0304f9f89f9966e264f2fae7a8cada62da2d8c7940a9

Aliases

arxiv: astro-ph/0603680 · arxiv_version: astro-ph/0603680v1 · doi: 10.48550/arxiv.astro-ph/0603680 · pith_short_12: FFAYUTZXRAQE · pith_short_16: FFAYUTZXRAQEJCPM · pith_short_8: FFAYUTZX

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/FFAYUTZXRAQEJCPMAMCPT6E7TF \
  | 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: 29418a4f3788204489ec0304f9f89f9966e264f2fae7a8cada62da2d8c7940a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b0989959795598efe603ef5558a7ef67b1597e66d33e78d5a9db89ae6999dff",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-03-24T18:12:59Z",
    "title_canon_sha256": "01eb27d3f7d4d09d9b8e169b98f5e4bf2ac4e7ecf09c3ab107bcbc302d0fb3c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0603680",
    "kind": "arxiv",
    "version": 1
  }
}