Pith Number

pith:XJK55THW

pith:2009:XJK55THW4MH6Z5OGCK6B2IVDWR

not attested not anchored not stored refs pending

Spitzer Quasar and ULIRG Evolution Study (QUEST). IV. Comparison of 1-Jy Ultraluminous Infrared Galaxies with Palomar-Green Quasars

A. Contursi, A. J. Baker, A. Sternberg, A. Stockton, D. B. Sanders, D.-C. Kim, D. Lutz, D. S. N. Rupke, E. Sturm, H. Netzer, J. C. Mihos, J. E. Barnes, J. M. Mozzarella, L. J. Tacconi, M. Schweitzer, R. D. Joseph, R. Genzel, S. Lord, S. Veilleux

arxiv:0905.1577 v1 · 2009-05-11 · astro-ph.CO

Open paper page JSON What is a Pith Number?

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

Receipt and verification

First computed	2026-05-18T02:13:45.911883Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba55deccf6e30fecf5c612bc1d22a3b449add0f38bfce72ce5221f1d3deee27c

Aliases

arxiv: 0905.1577 · arxiv_version: 0905.1577v1 · doi: 10.48550/arxiv.0905.1577

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/XJK55THW4MH6Z5OGCK6B2IVDWR \
  | 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: ba55deccf6e30fecf5c612bc1d22a3b449add0f38bfce72ce5221f1d3deee27c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11f30a812715713b0855266e41b00f7d075c4fa6bf4db560416a4aaa8ae2beb2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-05-11T09:02:19Z",
    "title_canon_sha256": "8356c38ebaf2fda7e92675e0d524b75f147846a255fc50365e0f15adfd406195"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.1577",
    "kind": "arxiv",
    "version": 1
  }
}