Pith Number

pith:XLUED2U6

pith:2026:XLUED2U66WPJVHVWEXIV4HHD75

not attested not anchored not stored refs pending

XShooter DESI Lens Program: Sample characterization

Aleksandar Cikota, Christophe Boghossian, Christopher Storfer, Eric Jullo, Felipe Urcelay, Jens-Kristian Krogager, Luderic Chapel, Raphael Gavazzi, Xiaosheng Huang

arxiv:2607.08562 v1 · 2026-07-09 · 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{XLUED2U66WPJVHVWEXIV4HHD75}

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	2026-07-10T01:19:53.712805Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bae841ea9ef59e9a9eb625d15e1ce3ff7f4bba7b635c165b16ba72f1d6188a8b

Aliases

arxiv: 2607.08562 · arxiv_version: 2607.08562v1 · doi: 10.48550/arxiv.2607.08562 · pith_short_12: XLUED2U66WPJ · pith_short_16: XLUED2U66WPJVHVW · pith_short_8: XLUED2U6

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/XLUED2U66WPJVHVWEXIV4HHD75 \
  | 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: bae841ea9ef59e9a9eb625d15e1ce3ff7f4bba7b635c165b16ba72f1d6188a8b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9409e4b9152c755c27f7dc693fb1d5f86836e5133ceb04b0dde99d6ad00dad41",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2026-07-09T14:54:08Z",
    "title_canon_sha256": "7fae3add1a9409c92b38d54442c7a0ac379d2f4754eefea65810fc2013ebd947"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.08562",
    "kind": "arxiv",
    "version": 1
  }
}