Pith Number

pith:RBB5KN6G

pith:2007:RBB5KN6GQHIZ3KW42ZYOKMTRTA

not attested not anchored not stored refs pending

The Unified Model of Active Galactic Nuclei: II. Evolutionary Connection

Beijing), Beijing) & En-Peng Zhang (NAOC, Jian-Min Wang (IHEP

arxiv:astro-ph/0702279 v1 · 2007-02-10 · 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{RBB5KN6GQHIZ3KW42ZYOKMTRTA}

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	2026-05-18T04:29:06.601870Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8843d537c681d19daadcd670e53271982d514825bcaa106afafd2a48edb2a012

Aliases

arxiv: astro-ph/0702279 · arxiv_version: astro-ph/0702279v1 · doi: 10.48550/arxiv.astro-ph/0702279 · pith_short_12: RBB5KN6GQHIZ · pith_short_16: RBB5KN6GQHIZ3KW4 · pith_short_8: RBB5KN6G

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/RBB5KN6GQHIZ3KW42ZYOKMTRTA \
  | 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: 8843d537c681d19daadcd670e53271982d514825bcaa106afafd2a48edb2a012

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e77dd963c3cc1bc4eb92614115ba46f950e89b535f787b65c51d7670def757c3",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-02-10T03:25:38Z",
    "title_canon_sha256": "4e187a8d0b26409efc922d24ced8a9cf43cae0fa7a11b3f2e187249413d45609"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0702279",
    "kind": "arxiv",
    "version": 1
  }
}