Pith Number

pith:SVV7M22U

pith:2006:SVV7M22UP76YXBBGN47LF26V2P

not attested not anchored not stored refs pending

The clustering of narrow-line AGN in the local Universe

Cheng Li, Guinevere Kauffmann, Lan Wang, Simon D.M. White, Timothy M. Heckman, Y.P. Jing

arxiv:astro-ph/0607492 v2 · 2006-07-21 · 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{SVV7M22UP76YXBBGN47LF26V2P}

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	2026-07-04T15:51:12.772285Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

956bf66b547ffd8b84266f3eb2ebd5d3e2e4f1be6209767e5536e34f781ba89c

Aliases

arxiv: astro-ph/0607492 · arxiv_version: astro-ph/0607492v2 · doi: 10.48550/arxiv.astro-ph/0607492 · pith_short_12: SVV7M22UP76Y · pith_short_16: SVV7M22UP76YXBBG · pith_short_8: SVV7M22U

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/SVV7M22UP76YXBBGN47LF26V2P \
  | 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: 956bf66b547ffd8b84266f3eb2ebd5d3e2e4f1be6209767e5536e34f781ba89c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd2b0215f60fe72eb3f38c545ee15f4ab307851c73f6efc3bf0df1e57dbe7160",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-07-21T07:44:01Z",
    "title_canon_sha256": "e66108d580593cb53c19b6073a91dec7d032741a7c9afd30e42cbb4164534b81"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0607492",
    "kind": "arxiv",
    "version": 2
  }
}