Pith Number

pith:ZSXER4FF

pith:2026:ZSXER4FFLYIZP7EZF7K52GWB6W

not attested not anchored not stored refs pending

ANDES, the high-resolution spectrograph for the ELT: design and performance analysis of the YJH spectrograph

(2) Universit\'e de Montr\'eal, (3) Universit\'e Laval, (4) Cavendish Laboratory, (5) INAF - Osservatorio Astrofisico di Arcetri, (6) INAF - Osservatorio Astronomico di Trieste), Alan O'Brien (1), Bella Boyd (1), Bradley Frank (1), Chris Waring (1), Ciar\'an Breen (1), David Buscher (4), David Lee (1), David Montgomery (1), Denis Brousseau (3), \'Eamonn J. Harvey (1), Ernesto Oliva (5), \'Etienne Artigau (2), Fr\'ed\'erique Baron (2), James Stevenson (1), Jay Stephan (1), Jonathan St-Antoine (2), Junyi Zhou (1), Lison Malo (2), Martin Fisher (4), Neil J. Cook (2), Oscar Gonzalez (1), Paolo Di Marcantonio (6) ((1) UK Astronomy Technology Centre, Philippe Vall\'ee (2), Ren\'e Doyon (2), Roberto Maiolino (4), Rory Gillespie (1), Sandi Wilson (1), Simon Thibault (3), University of Cambridge, Vincent Geers (1), Vinooja Thurairethinam (1), Wei Li (4)

arxiv:2607.22388 v1 · 2026-07-24 · astro-ph.IM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZSXER4FFLYIZP7EZF7K52GWB6W}

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	2026-07-27T01:21:18.165390Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ccae48f0a55e1197fc992fd5dd1ac1f5a87d825c7fdf06d37c23114fe13b64fc

Aliases

arxiv: 2607.22388 · arxiv_version: 2607.22388v1 · doi: 10.48550/arxiv.2607.22388 · pith_short_12: ZSXER4FFLYIZ · pith_short_16: ZSXER4FFLYIZP7EZ · pith_short_8: ZSXER4FF

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/ZSXER4FFLYIZP7EZF7K52GWB6W \
  | 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: ccae48f0a55e1197fc992fd5dd1ac1f5a87d825c7fdf06d37c23114fe13b64fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f60043e3e9dbac515cd295177789d78cc31d33e1c96fbc89d76d99209770dd19",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2026-07-24T15:15:02Z",
    "title_canon_sha256": "f97bd8f5ccedcc25687083571945740314b8125d3afef48b5497a7e8b039266e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.22388",
    "kind": "arxiv",
    "version": 1
  }
}