Pith Number

pith:4QVNZ4EH

pith:2021:4QVNZ4EHT7I376UMQPI6666YDU

not attested not anchored not stored refs pending

Optical Spectroscopy of Dual Quasar Candidates from the Subaru HSC-SSP program

Andy Goulding, Hyewon Suh, Issha Kayo, John D. Silverman, Joseph F. Hennawi, Junyao Li, J. Xavier Prochaska, Kazuhiro Shimasaku, Kazushi Iwasawa, Khee-Gan Lee, Kohei Ichikawa, Kotaro Kohno, Lalitwadee Kawinwanichakij, Malte Schramm, Masafusa Onoue, Masami Ouchi, Masamune Oguri, Masatoshi Imanishi, Michael A. Strauss, Naoki Yasuda, Nao Suzuki, Nobunari Kashikawa, Shenli Tang, Tilman Hartwig, Tohru Nagao, Toshihiro Kawaguchi, Xuheng Ding, Yoshiaki Ono, Yoshiaki Taniguchi, Yoshihiro Ueda, Yoshiki Matsuoka, Yoshiki Toba, Yuichi Matsuda

arxiv:2105.10163 v1 · 2021-05-21 · 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{4QVNZ4EHT7I376UMQPI6666YDU}

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	2026-07-05T03:36:04.306450Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e42adcf0879fd1bffa8c83d1ef7bd81d14a91d2f872fdbcea8f542c55105fec2

Aliases

arxiv: 2105.10163 · arxiv_version: 2105.10163v1 · doi: 10.48550/arxiv.2105.10163 · pith_short_12: 4QVNZ4EHT7I3 · pith_short_16: 4QVNZ4EHT7I376UM · pith_short_8: 4QVNZ4EH

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/4QVNZ4EHT7I376UMQPI6666YDU \
  | 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: e42adcf0879fd1bffa8c83d1ef7bd81d14a91d2f872fdbcea8f542c55105fec2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "90b186925fc003c9afcd13b546ec591589c2d67fe1efdf9774377989ea3bbaa2",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-05-21T07:06:29Z",
    "title_canon_sha256": "b9858110f34bad851ef18473fcd33b691f475e3ca316803f69947a1fa1d0e2a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.10163",
    "kind": "arxiv",
    "version": 1
  }
}