Pith Number

pith:SYD5AJME

pith:2007:SYD5AJME4JEBTZONYALOK3GNVN

not attested not anchored not stored refs pending

Spitzer Quasar and ULIRG Evolution Study (QUEST): II. The Spectral Energy Distributions of Palomar-Green Quasars

Alessandra Contursi, Andrew J. Baker, David Rupke, D.-C. Kim, Dieter Lutz, Eckhard Sturm, Hagai Netzer, Joseph Mazzarella, Kalliopi Dasyra, Linda J. Tacconi, Mario Schweitzer, Steven Lord, Sylvain Veilleux

arxiv:0706.0818 v1 · 2007-06-06 · 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{SYD5AJME4JEBTZONYALOK3GNVN}

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	2026-07-04T15:44:25.706823Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9607d02584e24819e5cdc016e56ccdab6510452fee745d75ea749bb861261ba7

Aliases

arxiv: 0706.0818 · arxiv_version: 0706.0818v1 · doi: 10.48550/arxiv.0706.0818 · pith_short_12: SYD5AJME4JEB · pith_short_16: SYD5AJME4JEBTZON · pith_short_8: SYD5AJME

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/SYD5AJME4JEBTZONYALOK3GNVN \
  | 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: 9607d02584e24819e5cdc016e56ccdab6510452fee745d75ea749bb861261ba7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "006c6b4e290ea88ea6e772ba865fab990a8651b6cba278bb98bc5de0c509ebe2",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-06-06T13:11:20Z",
    "title_canon_sha256": "c42a61c367b656b7e2c87bfa5fe56a079b191c91cd21c4122f5fcefb72f3e1c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0706.0818",
    "kind": "arxiv",
    "version": 1
  }
}