Pith Number

pith:NMY5CQB7

pith:2006:NMY5CQB73FF6CVBK2DW7RDXZ4A

not attested not anchored not stored refs pending

On-axis spectroscopy of the host galaxies of 20 optically luminous quasars at z~0.3

F. Courbin, G. Letawe, G. Meylan, K. Jahnke, L. Wisotzki, P. Jablonka, P. Magain

arxiv:astro-ph/0605288 v2 · 2006-05-11 · 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{NMY5CQB73FF6CVBK2DW7RDXZ4A}

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

1 paper in Pith

A Cosmological Framework for the Co-Evolution of Quasars, Supermassive Black Holes, and Elliptical Galaxies: I. Galaxy Mergers & Quasar Activity

Receipt and verification

First computed	2026-07-04T15:22:18.993759Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b31d1403fd94be1542ad0edf88ef9e03c5c1519d0659e8dd3f7084e25c1c8e8

Aliases

arxiv: astro-ph/0605288 · arxiv_version: astro-ph/0605288v2 · doi: 10.48550/arxiv.astro-ph/0605288 · pith_short_12: NMY5CQB73FF6 · pith_short_16: NMY5CQB73FF6CVBK · pith_short_8: NMY5CQB7

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/NMY5CQB73FF6CVBK2DW7RDXZ4A \
  | 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: 6b31d1403fd94be1542ad0edf88ef9e03c5c1519d0659e8dd3f7084e25c1c8e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e821305e057617f80df2327e68f236855b81f1b0466647feb481f103620a35a8",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-05-11T10:37:46Z",
    "title_canon_sha256": "ee73212c179caf70bac174381b6a34f91b7b512920b64f84c99940b9846e21be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0605288",
    "kind": "arxiv",
    "version": 2
  }
}