Pith Number

pith:BX4H62IV

pith:2018:BX4H62IVYWGKQEYTOSLIERH52J

not attested not anchored not stored refs pending

The optical design of the six-meter CCAT-prime and Simons Observatory telescopes

Brian J. Koopman, Dominik A. Riechers, Eve M. Vavagiakis, Frederick T. Matsuda, Gordon J. Stacey, Jens Erler, Jon E. Gudmundsson, Michael D. Niemack, Michele Limon, Patricio A. Gallardo, Philip Mauskopf, Richard Hills, Rolando D\"unner, Simon R. Dicker, Stephen C. Parshley, Terry Herter

arxiv:1807.06678 v1 · 2018-07-17 · 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{BX4H62IVYWGKQEYTOSLIERH52J}

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	2026-05-18T00:10:27.185342Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0df87f6915c58ca8131374968244fdd275993e192277fd4bcefb3bb2dd3ee3b8

Aliases

arxiv: 1807.06678 · arxiv_version: 1807.06678v1 · doi: 10.48550/arxiv.1807.06678 · pith_short_12: BX4H62IVYWGK · pith_short_16: BX4H62IVYWGKQEYT · pith_short_8: BX4H62IV

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/BX4H62IVYWGKQEYTOSLIERH52J \
  | 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: 0df87f6915c58ca8131374968244fdd275993e192277fd4bcefb3bb2dd3ee3b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "074f7ee330a7596e959f0cae1a71c5d7f85567930233d4cfcf448229645b05c2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-07-17T21:23:05Z",
    "title_canon_sha256": "cefb5761107bad46c0ffae50c3f8495a6e88722bd928ef2a7f3b980621d79c78"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.06678",
    "kind": "arxiv",
    "version": 1
  }
}