Pith Number

pith:523DYJ4I

pith:2020:523DYJ4ISYRXWMXUGLLKARAOHG

not attested not anchored not stored refs pending

A cryogenic continuously rotating half-wave plate for the POLARBEAR-2b cosmic microwave background receiver

A. Kusaka, A. T. Lee, B. Bixler, C. A. Hill, F. Matsuda, K. Arnold, P. Ashton, P. Barton, R. Tat, S. Ganjam, T. Adkins, T. Matsumura, Y. Sakurai, Y. Zhou

arxiv:2009.03972 v2 · 2020-09-08 · 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{523DYJ4ISYRXWMXUGLLKARAOHG}

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	2026-07-05T01:59:57.692980Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eeb63c278896237b32f432d6a0440e39b69385f1c741e3e64e1617005d8938a3

Aliases

arxiv: 2009.03972 · arxiv_version: 2009.03972v2 · doi: 10.48550/arxiv.2009.03972 · pith_short_12: 523DYJ4ISYRX · pith_short_16: 523DYJ4ISYRXWMXU · pith_short_8: 523DYJ4I

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/523DYJ4ISYRXWMXUGLLKARAOHG \
  | 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: eeb63c278896237b32f432d6a0440e39b69385f1c741e3e64e1617005d8938a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3593366dc5edc88cb00ec18a34dd0a90d113ec21e884c61c16e7456373345d7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2020-09-08T19:50:54Z",
    "title_canon_sha256": "45b1e008c04204ec5106b760f7e10d17a4a854f31d46c644331455d672f3a158"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.03972",
    "kind": "arxiv",
    "version": 2
  }
}