Pith Number

pith:BMOTYRUE

pith:2009:BMOTYRUEG7SJOTIDTJEZFT5RJY

not attested not anchored not stored refs pending

X-ray Insights into the Nature of Weak Emission-Line Quasars at High Redshift

2), (2) UNT, (3) U. Washington, (4) U. Arizona, (5) Drexel U., (6) Princeton U.), Aleksandar M. Diamond-Stanic (4), Donald P. Schneider (1), Gordon T. Richards (5), Michael A. Strauss (6) ((1) PSU, Ohad Shemmer (1, Scott F. Anderson (3), W.N. Brandt (1), Xiaohui Fan (4)

arxiv:0902.1366 v1 · 2009-02-09 · astro-ph.GA · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BMOTYRUEG7SJOTIDTJEZFT5RJY}

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	2026-05-18T04:29:16.740183Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b1d3c468437e4974d039a4992cfb14e3114a7004206af3b3e2e996f060effcf

Aliases

arxiv: 0902.1366 · arxiv_version: 0902.1366v1 · doi: 10.48550/arxiv.0902.1366 · pith_short_12: BMOTYRUEG7SJ · pith_short_16: BMOTYRUEG7SJOTID · pith_short_8: BMOTYRUE

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/BMOTYRUEG7SJOTIDTJEZFT5RJY \
  | 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: 0b1d3c468437e4974d039a4992cfb14e3114a7004206af3b3e2e996f060effcf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a391311e8c24ea5ceb7cb1ef3c45ca5d134fbec470c8f9fb46cc00356047c726",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-02-09T05:02:52Z",
    "title_canon_sha256": "56d5e433e79b7e48f719d5c928b3a446edec56ad7483892660ef7460d51a43ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.1366",
    "kind": "arxiv",
    "version": 1
  }
}