Pith Number

pith:OLWDPFFA

pith:2015:OLWDPFFAWVGNGG4TMNSYHK6E2Y

not attested not anchored not stored refs pending

Subaru Telescope adaptive optics observations of gravitationally lensed quasars in the Sloan Digital Sky Survey

Cristian E. Rusu, Hideki Takami, Hiroshi Terada, Issha Kayo, Makoto Watanabe, Masamune Oguri, Masanori Iye, Masayuki Hattori, Meguru Ito, Naohisa Inada, Shin Oya, Tae-Soo Pyo, Yoshihiko Saito, Yosuke Minowa, Yutaka Hayano

arxiv:1506.05147 v2 · 2015-06-16 · 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{OLWDPFFAWVGNGG4TMNSYHK6E2Y}

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	2026-05-18T01:18:44.565238Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

72ec3794a0b54cd31b93636583abc4d63ef35aaa420029f39f9e691b3f659ebb

Aliases

arxiv: 1506.05147 · arxiv_version: 1506.05147v2 · doi: 10.48550/arxiv.1506.05147 · pith_short_12: OLWDPFFAWVGN · pith_short_16: OLWDPFFAWVGNGG4T · pith_short_8: OLWDPFFA

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/OLWDPFFAWVGNGG4TMNSYHK6E2Y \
  | 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: 72ec3794a0b54cd31b93636583abc4d63ef35aaa420029f39f9e691b3f659ebb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f4a789c859fab322b343c8f9a8ae9cb8e0a49de9709cfb726f15ed606fc65ac",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-06-16T20:53:06Z",
    "title_canon_sha256": "c307e9269e6d8d25b66287cb0defab54054e9c4ad37a995c7e653cad5c71b437"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.05147",
    "kind": "arxiv",
    "version": 2
  }
}