Pith Number

pith:PJ67UTU4

pith:2006:PJ67UTU4D37DR4YYJ334C76UB2

not attested not anchored not stored refs pending

Reverberation Mapping of High-Luminosity Quasars: First Results

Dan Maoz, Donald P. Schneider, Hagai Netzer, Ohad Shemmer, Shai Kaspi, W. N. Brandt

arxiv:astro-ph/0612722 v1 · 2006-12-24 · 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{PJ67UTU4D37DR4YYJ334C76UB2}

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	2026-05-18T04:29:14.544937Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a7dfa4e9c1efe38f3184ef7c17fd40e96446361558f1762f1752e5aa01aec2b

Aliases

arxiv: astro-ph/0612722 · arxiv_version: astro-ph/0612722v1 · doi: 10.48550/arxiv.astro-ph/0612722 · pith_short_12: PJ67UTU4D37D · pith_short_16: PJ67UTU4D37DR4YY · pith_short_8: PJ67UTU4

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/PJ67UTU4D37DR4YYJ334C76UB2 \
  | 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: 7a7dfa4e9c1efe38f3184ef7c17fd40e96446361558f1762f1752e5aa01aec2b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de40126cf9c22d44d174e5b75baafb4273167100e42fd53930e57906fd15cee2",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-12-24T16:12:15Z",
    "title_canon_sha256": "a6f68bd47cfeaa389396a4e9a14e655ffd96dd39021e9c0fd052574154f74e2b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0612722",
    "kind": "arxiv",
    "version": 1
  }
}