Pith Number

pith:V5YJMH66

pith:2009:V5YJMH66XAECJ5DC72K5ZLWFUC

not attested not anchored not stored refs pending

Eight New Quasar Lenses from the Sloan Digital Sky Survey Quasar Lens Search

Christopher S. Kochanek, Donald P. Schneider, Issha Kayo, Masamune Oguri, Naohisa Inada, Patrick B. Hall, Tomoki Morokuma

arxiv:0912.1462 v2 · 2009-12-08 · 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{V5YJMH66XAECJ5DC72K5ZLWFUC}

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	2026-05-18T02:33:57.221616Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af70961fdeb80824f462fe95dcaec5a0991f58fa79d9547e0ef4c616c340ec79

Aliases

arxiv: 0912.1462 · arxiv_version: 0912.1462v2 · doi: 10.48550/arxiv.0912.1462 · pith_short_12: V5YJMH66XAEC · pith_short_16: V5YJMH66XAECJ5DC · pith_short_8: V5YJMH66

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/V5YJMH66XAECJ5DC72K5ZLWFUC \
  | 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: af70961fdeb80824f462fe95dcaec5a0991f58fa79d9547e0ef4c616c340ec79

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17f52082c4856869f083718b83478514e527755b8499d84aeed1a012485415ca",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-12-08T11:21:25Z",
    "title_canon_sha256": "b278fe12bb2f6181bc4262ca6b54be9cc42c4d154bfed252ddf9daf39a2d257e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.1462",
    "kind": "arxiv",
    "version": 2
  }
}