Pith Number

pith:QQDQNWPH

pith:2005:QQDQNWPH527Q6OVDN4V37X4DXJ

not attested not anchored not stored refs pending

The Smallest AGN Host Galaxies

A. J. Barth (UC Irvine), J. E. Greene (Harvard), L. C. Ho (Carnegie)

arxiv:astro-ph/0511810 v1 · 2005-11-29 · 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{QQDQNWPH527Q6OVDN4V37X4DXJ}

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

Estimation of black hole spins in low-mass AGNs and comparison with other types of AGNs

Receipt and verification

First computed	2026-07-04T16:53:06.610092Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

840706d9e7eebf0f3aa36f2bbfdf83ba61140de27d31e6de169d0f42e6ff2119

Aliases

arxiv: astro-ph/0511810 · arxiv_version: astro-ph/0511810v1 · doi: 10.48550/arxiv.astro-ph/0511810 · pith_short_12: QQDQNWPH527Q · pith_short_16: QQDQNWPH527Q6OVD · pith_short_8: QQDQNWPH

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/QQDQNWPH527Q6OVDN4V37X4DXJ \
  | 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: 840706d9e7eebf0f3aa36f2bbfdf83ba61140de27d31e6de169d0f42e6ff2119

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "42e5eb666024c65564f166c0224dc9e971a46d93692ce452bbf7175065420532",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-11-29T23:33:41Z",
    "title_canon_sha256": "a31c47ef6180371fdfedeae1cfeaa940a0a38ef43fdabc2a57295191b7b95555"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0511810",
    "kind": "arxiv",
    "version": 1
  }
}