Pith Number

pith:R6QTTHNC

pith:2006:R6QTTHNCQ7GZTNXVPYKHFD4KRB

not attested not anchored not stored refs pending

The Sloan Digital Sky Survey Quasar Lens Search. I. Candidate Selection Algorithm

Bartosz Pindor, Donald P. Schneider, Edwin L. Turner, Gordon T. Richards, Jon Brinkmann, Joseph F. Hennawi, Masamune Oguri, Masataka Fukugita, Michael A. Strauss, Naohisa Inada, Robert H. Lupton

arxiv:astro-ph/0605571 v1 · 2006-05-22 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R6QTTHNCQ7GZTNXVPYKHFD4KRB}

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.

Cited by

1 paper in Pith

COOL-LAMPS IX: A Rare Duo of Quasars Each Lensed by a Single Massive Galaxy Cluster

Receipt and verification

First computed	2026-07-04T16:58:46.822649Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8fa1399da287cd99b6f57e14728f8a8858e667f02b9d170ec5938a4b89bb8b5c

Aliases

arxiv: astro-ph/0605571 · arxiv_version: astro-ph/0605571v1 · doi: 10.48550/arxiv.astro-ph/0605571 · pith_short_12: R6QTTHNCQ7GZ · pith_short_16: R6QTTHNCQ7GZTNXV · pith_short_8: R6QTTHNC

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/R6QTTHNCQ7GZTNXVPYKHFD4KRB \
  | 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: 8fa1399da287cd99b6f57e14728f8a8858e667f02b9d170ec5938a4b89bb8b5c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "705f97378730690a085c66d64777f201f96137fa361f6b3cbd921165799f3fd8",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-05-22T20:01:54Z",
    "title_canon_sha256": "bd3598d8bda50c19a7437ffca28ca16b288ed7194dec1c12ba7437ac276eaff9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0605571",
    "kind": "arxiv",
    "version": 1
  }
}