Pith Number

pith:4Z5ERRTE

pith:2005:4Z5ERRTEJHII24HX2T5YWC3WIK

not attested not anchored not stored refs pending

SDSS J0806+2006 and SDSS J1353+1138: Two New Gravitationally Lensed Quasars from the Sloan Digital Sky Survey

Atsuko Nitta, Christopher S. Kochanek, Dan Long, Donald G. York, Donald P. Schneider, Eric H. Neilsen, Gordon T. Richards, Howard J. Brewington, J. Brinkmann, J. C. Barentine, Jr., Jurek Krzesinski, Masamune Oguri, Michael D. Gregg, Michael Harvanek, Naohisa Inada, Paul L. Schechter, Richard L. White, Robert H. Becker, S. J. Kleinman, Stephanie A. Snedden, Yozo Kawano

arxiv:astro-ph/0512239 v1 · 2005-12-09 · 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{4Z5ERRTEJHII24HX2T5YWC3WIK}

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

Taking Inventory of the Most Promising Lensed Radio Sources for Constraining Fundamental Properties of Dark Matter

Receipt and verification

First computed	2026-05-18T03:47:43.302775Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e67a48c66449d08d70f7d4fb8b0b7642b136aad600d0f3663e003405dd448ac5

Aliases

arxiv: astro-ph/0512239 · arxiv_version: astro-ph/0512239v1 · doi: 10.48550/arxiv.astro-ph/0512239 · pith_short_12: 4Z5ERRTEJHII · pith_short_16: 4Z5ERRTEJHII24HX · pith_short_8: 4Z5ERRTE

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/4Z5ERRTEJHII24HX2T5YWC3WIK \
  | 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: e67a48c66449d08d70f7d4fb8b0b7642b136aad600d0f3663e003405dd448ac5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b43c3d192b9f6eacdd4345fc791023fcb2b6626100f4c787528b78f376f1a479",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-12-09T03:09:02Z",
    "title_canon_sha256": "0f612e1bb3e95601b0d3a1d5d6cab0f041a87d60dd586236ca6a565313920e8f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0512239",
    "kind": "arxiv",
    "version": 1
  }
}