Pith Number

pith:IXI63XX5

pith:2010:IXI63XX5UW7JWTRZ7PTT2OD5N5

not attested not anchored not stored refs pending

Probing the faint end of the quasar luminosity function at z ~ 4 in the COSMOS field

A. Comastri, A. M. Koekemoer, E. Schinnerer, H. Ikeda, J. D. Silverman, J. R. Trump, K. Matsuoka, M. Enoki, M. Salvato, N. Z. Scoville, P. Capak, T. Morokuma, T. Murayama, T. Nagao, T. Saito, Y. Ideue, Y. Kakazu, Y. Shioya, Y. Taniguchi

arxiv:1011.2280 v2 · 2010-11-10 · 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{IXI63XX5UW7JWTRZ7PTT2OD5N5}

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	2026-05-18T02:04:49.468363Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45d1eddefda5be9b4e39fbe73d387d6f4cf330700746e54cb4c03d8a47c22186

Aliases

arxiv: 1011.2280 · arxiv_version: 1011.2280v2 · doi: 10.48550/arxiv.1011.2280 · pith_short_12: IXI63XX5UW7J · pith_short_16: IXI63XX5UW7JWTRZ · pith_short_8: IXI63XX5

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/IXI63XX5UW7JWTRZ7PTT2OD5N5 \
  | 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: 45d1eddefda5be9b4e39fbe73d387d6f4cf330700746e54cb4c03d8a47c22186

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "274d5bf3886a2f03141292979e840e9592ebcad9056159501d0ac2173f6d1583",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-11-10T06:07:06Z",
    "title_canon_sha256": "e1e32d6bb864a942b36b0af8e3ee372be37218f423701003701534b4183196be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.2280",
    "kind": "arxiv",
    "version": 2
  }
}