Pith Number

pith:ON7HSVRS

pith:2009:ON7HSVRS3JZZLXEWOODXVD5GCZ

not attested not anchored not stored refs pending

The Activity of the Neighbours of AGN and Starburst Galaxies: Towards an evolutionary sequence of AGN activity

C.Goudis, D.Dultzin, E.Koulouridis, I.Georgantopoulos, M.Plionis, V.Chavushyan, Y.Krongold

arxiv:0910.1355 v2 · 2009-10-07 · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ON7HSVRS3JZZLXEWOODXVD5GCZ}

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	2026-05-18T04:09:45.946375Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

737e795632da7395dc9673877a8fa616620dd7c51047e434013014806efb6956

Aliases

arxiv: 0910.1355 · arxiv_version: 0910.1355v2 · doi: 10.48550/arxiv.0910.1355 · pith_short_12: ON7HSVRS3JZZ · pith_short_16: ON7HSVRS3JZZLXEW · pith_short_8: ON7HSVRS

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/ON7HSVRS3JZZLXEWOODXVD5GCZ \
  | 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: 737e795632da7395dc9673877a8fa616620dd7c51047e434013014806efb6956

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "70fe94d4bef957693551a7e1b0b68c82e792ed2146893d2ee92820ee268df91f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-10-07T20:23:32Z",
    "title_canon_sha256": "d9cac1c91d0958244d8e094830fee5168aef1a33285fa4870bd1be1314d4e290"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.1355",
    "kind": "arxiv",
    "version": 2
  }
}