Pith Number

pith:PNY2HONB

pith:2017:PNY2HONBZBPBULFYW5WJKRBENZ

not attested not anchored not stored refs pending

Andromeda's Parachute: A Bright Quadruply Lensed Quasar at z=2.377

(2) St. Michael's College, (3) UH Hilo, (4) Caltech, (5) Keck Observatory, (6) ANU), Anna M. Moore (6), D. Christopher Martin (4), Gregory W. Doppmann (5), James D. Neill (4) ((1) SDSU, John M. O'Meara (2), Kate H. R. Rubin (1), Kathy L. Cooksey (3), Luca Rizzi (5), Mateusz Matuszewski (4), Patrick Morrissey (4), Shui Hung Kwok (5)

arxiv:1707.05873 v2 · 2017-07-18 · 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{PNY2HONBZBPBULFYW5WJKRBENZ}

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	2026-05-18T00:13:32.301856Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b71a3b9a1c85e1a2cb8b76c9544246e4737ca845be144fe195bd47dc191e192

Aliases

arxiv: 1707.05873 · arxiv_version: 1707.05873v2 · doi: 10.48550/arxiv.1707.05873 · pith_short_12: PNY2HONBZBPB · pith_short_16: PNY2HONBZBPBULFY · pith_short_8: PNY2HONB

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/PNY2HONBZBPBULFYW5WJKRBENZ \
  | 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: 7b71a3b9a1c85e1a2cb8b76c9544246e4737ca845be144fe195bd47dc191e192

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "019e8540bd9c4a3dcf2416b4ef34d44bbdeb8f29d8d3a39810a027bb2a9594a4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-07-18T21:40:09Z",
    "title_canon_sha256": "2de76dddc7456bafcbb409004e05ab37b53624c4d6c34559cc37c5c8592fc082"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.05873",
    "kind": "arxiv",
    "version": 2
  }
}