Pith Number

pith:6AQ7E4IQ

pith:2004:6AQ7E4IQ7EPEXEUINB5Y64AYPH

not attested not anchored not stored refs pending

The environment of Seyferts, Liners and HII galaxies in a Complete AGN sample

B. Kelm, P. Focardi, S. Montanaro, V. Zitelli

arxiv:astro-ph/0410326 v1 · 2004-10-13 · 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{6AQ7E4IQ7EPEXEUINB5Y64AYPH}

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	2026-07-04T14:13:49.523443Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f021f27110f91e4b9288687b8f701879e517cdd0ee2422e6e3438ef204c2e9d3

Aliases

arxiv: astro-ph/0410326 · arxiv_version: astro-ph/0410326v1 · doi: 10.48550/arxiv.astro-ph/0410326 · pith_short_12: 6AQ7E4IQ7EPE · pith_short_16: 6AQ7E4IQ7EPEXEUI · pith_short_8: 6AQ7E4IQ

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/6AQ7E4IQ7EPEXEUINB5Y64AYPH \
  | 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: f021f27110f91e4b9288687b8f701879e517cdd0ee2422e6e3438ef204c2e9d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ce74e3ba8e5954b5b8b128bb62e7a95cb2f0387ce71b306641b40f68ea7dbdd",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-10-13T08:42:35Z",
    "title_canon_sha256": "092813acae9049fb89a83b796f00ad5ef5ba9caba3e1eae76825e516e0db8a6a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0410326",
    "kind": "arxiv",
    "version": 1
  }
}