Pith Number

pith:VPZFWTZI

pith:2026:VPZFWTZIKLOTZF2DQ4ADTWRT5T

not attested not anchored not stored refs pending

WST, the Wide-field Spectroscopic Telescope: Mechanical Design and FE Analyses for the High Resolution Spectrograph

Andrea Tozzi, Anna Brucalassi, Ciro Del Vecchio, David Lee, Maria Sofia Randich, Matteo Munari, Roland Bacon, Simone D'Auria

arxiv:2607.01132 v1 · 2026-07-01 · 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{VPZFWTZIKLOTZF2DQ4ADTWRT5T}

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	2026-07-02T01:18:29.999007Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

abf25b4f2852dd3c9743870039da33ece23ff16d135db8b6f29cbb96d7c47439

Aliases

arxiv: 2607.01132 · arxiv_version: 2607.01132v1 · doi: 10.48550/arxiv.2607.01132 · pith_short_12: VPZFWTZIKLOT · pith_short_16: VPZFWTZIKLOTZF2D · pith_short_8: VPZFWTZI

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/VPZFWTZIKLOTZF2DQ4ADTWRT5T \
  | 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: abf25b4f2852dd3c9743870039da33ece23ff16d135db8b6f29cbb96d7c47439

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e90b22cb57dd10e9fc4e32317187d6aeaa8c540b9790959f303e8689edd7e29c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2026-07-01T16:19:33Z",
    "title_canon_sha256": "28ceedd21564c3e157e591a4da1621cbf31fca62e4f5e47aba8b420993f0402b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.01132",
    "kind": "arxiv",
    "version": 1
  }
}