Pith Number

pith:LJ5RWVVH

pith:2012:LJ5RWVVH5OTSNHI34Y3GXFR5YR

not attested not anchored not stored refs pending

A Population of Dust-Rich Quasars at z ~ 1.5

Alain Omont, Asantha Cooray, Christopher N. A. Willmer, Dimitra Rigopoulou, Douglas Scott, Edo Ibar, Evanthia Hatziminaoglou, Georgios E. Magdis, Giovanni Fazio, Isaac G. Roseboom, Ismael Perez-Fournon, Jacqueline Bergeron, Jamie Bock, Jia-Sheng Huang, Joaquin D. Vieira, Markos Trichas, Martin Elvis, Mathew J. Page, Michael Zemcov, Myrto Symeonidis, Seb J. Oliver, Y. Sophia Dai

arxiv:1205.1808 v1 · 2012-05-08 · 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{LJ5RWVVH5OTSNHI34Y3GXFR5YR}

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	2026-05-18T01:57:36.446293Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a7b1b56a7eba7269d1be6366b963dc462306bf71e0d1b816f510619575478fb

Aliases

arxiv: 1205.1808 · arxiv_version: 1205.1808v1 · doi: 10.48550/arxiv.1205.1808 · pith_short_12: LJ5RWVVH5OTS · pith_short_16: LJ5RWVVH5OTSNHI3 · pith_short_8: LJ5RWVVH

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/LJ5RWVVH5OTSNHI34Y3GXFR5YR \
  | 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: 5a7b1b56a7eba7269d1be6366b963dc462306bf71e0d1b816f510619575478fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3888a875bd9ac39f04159776a299efad3d423dab5064dd14ccdc3eebc5edc3bd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-05-08T20:07:26Z",
    "title_canon_sha256": "3981c632244f1311fd9158eda5fb3b3a1a155333098fa540f6b2dcd8b8aa3ec4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.1808",
    "kind": "arxiv",
    "version": 1
  }
}