Pith Number

pith:D3NO7GZ2

pith:2011:D3NO7GZ2MWVV735V72V2L55F4N

not attested not anchored not stored refs pending

SDSS J133401.39+331534.3: A New Subarcsecond Gravitationally Lensed Quasar

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:1107.1280 v1 · 2011-07-07 · 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{D3NO7GZ2MWVV735V72V2L55F4N}

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	2026-05-18T02:01:22.128790Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1edaef9b3a65ab5fefb5feaba5f7a5e35d4cbd270f362d1acec4a86ffcf6b43c

Aliases

arxiv: 1107.1280 · arxiv_version: 1107.1280v1 · doi: 10.48550/arxiv.1107.1280 · pith_short_12: D3NO7GZ2MWVV · pith_short_16: D3NO7GZ2MWVV735V · pith_short_8: D3NO7GZ2

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/D3NO7GZ2MWVV735V72V2L55F4N \
  | 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: 1edaef9b3a65ab5fefb5feaba5f7a5e35d4cbd270f362d1acec4a86ffcf6b43c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b55cfbdc72a0a0016a4b0f88a751ad31b33b300cb85e8e2d0399f50df0d1195",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-07-07T01:52:53Z",
    "title_canon_sha256": "e1eebd986d20a227b8df441afc7a96d3a6e86ac5ab6df9d9d0614f3d5a639ea4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.1280",
    "kind": "arxiv",
    "version": 1
  }
}