Pith Number

pith:ZXKUIJYO

pith:2019:ZXKUIJYONHNA5EEIJ5SEONZ7WP

not attested not anchored not stored refs pending

The Extremely Luminous Quasar Survey in the Pan-STARRS 1 Footprint (PS-ELQS)

Allison Hughes, Jan-Torge Schindler, Jinyi Yang, Jon M. Rees, Katrina C. Litke, Lukas Wenzl, Minghao Yue, Patrick B. Hall, Xiaohui Fan, Yun-Hsin Huang

arxiv:1905.04069 v1 · 2019-05-10 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZXKUIJYONHNA5EEIJ5SEONZ7WP}

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	2026-05-17T23:41:08.720663Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cdd544270e69da0e90884f6447373fb3d0950211a795b1ac3590e9adb74ef030

Aliases

arxiv: 1905.04069 · arxiv_version: 1905.04069v1 · doi: 10.48550/arxiv.1905.04069 · pith_short_12: ZXKUIJYONHNA · pith_short_16: ZXKUIJYONHNA5EEI · pith_short_8: ZXKUIJYO

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/ZXKUIJYONHNA5EEIJ5SEONZ7WP \
  | 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: cdd544270e69da0e90884f6447373fb3d0950211a795b1ac3590e9adb74ef030

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2bdf9a386f075fa68286c5914216ac32c2e1456e124d4e054e40fe810a9e49a9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-05-10T11:00:46Z",
    "title_canon_sha256": "25a2b58c16355d1e3f0ac4474ddd702dd3dbed4cb62b238da95714118106c8a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.04069",
    "kind": "arxiv",
    "version": 1
  }
}