Pith Number

pith:YRBH42W7

pith:2018:YRBH42W7BZFJFNKUPQSWOGQNZU

not attested not anchored not stored refs pending

Optical Design of PICO, a Concept for a Space Mission to Probe Inflation and Cosmic Origins

Al Kogut, Amy Trangsrud, Bill Jones, Bradley Johnson, Brendan Crill, Brian M. Sutin, Charles Lawrence, Clem Pryke, Daniel Green, David Chuss, Gianfranco De Zotti, Jacques Delabrouille, Jamie Bock, Jeff McMahon, Jim McGuire, Johannes Hubmayr, Julian Borrill, Karl Young, Kris Gorski, Laura Fissel, Lloyd Knox, Marcelo Alvarez, Mark Devlin, Nicholas Battaglia, Qi Wen, Raphael Flauger, Richard Hills, Roger O'Brient, Shaul Hanany, Tomotake Matsumura, Xin Zhi Tan

arxiv:1808.01369 v1 · 2018-08-03 · 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{YRBH42W7BZFJFNKUPQSWOGQNZU}

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	2026-05-18T00:08:53.216949Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4427e6adf0e4a92b5547c25671a0dcd04132609ca6467d48eec04153eedb105

Aliases

arxiv: 1808.01369 · arxiv_version: 1808.01369v1 · doi: 10.48550/arxiv.1808.01369 · pith_short_12: YRBH42W7BZFJ · pith_short_16: YRBH42W7BZFJFNKU · pith_short_8: YRBH42W7

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/YRBH42W7BZFJFNKUPQSWOGQNZU \
  | 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: c4427e6adf0e4a92b5547c25671a0dcd04132609ca6467d48eec04153eedb105

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cdbef855dd92fa3b6354dc0df3cc3ed31d2ff932e07064fb49ac93fe9ee552b7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-08-03T21:39:37Z",
    "title_canon_sha256": "78d2d8b1851411b291a017a27d5a01195eaef4a4d32daf2c8a0444d0983f391c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.01369",
    "kind": "arxiv",
    "version": 1
  }
}