Pith Number

pith:DBZ27YZ6

pith:2026:DBZ27YZ6AAS5J4I37NNP4O6FGQ

not attested not anchored not stored refs pending

Pollux: decisions affecting the optical architecture of a high-resolution spectrograph and polarimeter for the Habitable Worlds Observatory

Adrien Girardot, Coralie Neiner, David Le Mignant, Eduard Muslimov, Jean-Claude Bouret, Jean-Michel Reess, Kjetil Dohlen, Luca Fossati

arxiv:2607.22500 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{DBZ27YZ6AAS5J4I37NNP4O6FGQ}

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	2026-07-27T01:21:24.270347Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1873afe33e0025d4f11bfb5afe3bc534186d46a4f4b48792185aa61ebe2fdbb2

Aliases

arxiv: 2607.22500 · arxiv_version: 2607.22500v1 · doi: 10.48550/arxiv.2607.22500 · pith_short_12: DBZ27YZ6AAS5 · pith_short_16: DBZ27YZ6AAS5J4I3 · pith_short_8: DBZ27YZ6

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/DBZ27YZ6AAS5J4I37NNP4O6FGQ \
  | 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: 1873afe33e0025d4f11bfb5afe3bc534186d46a4f4b48792185aa61ebe2fdbb2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc07376ce334fe3eda4b6708b78ebce378bf3a5d3f51f6d61ee3f2cd20ebf566",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2026-07-24T17:12:54Z",
    "title_canon_sha256": "8197a06615f50f85c06b0043a644ce38cedd947036a0671659f517b88c4ab939"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.22500",
    "kind": "arxiv",
    "version": 1
  }
}