Pith Number

pith:JUNBMLXK

pith:2019:JUNBMLXKD6CUKK7UL73UF7EIEA

not attested not anchored not stored refs pending

The POLARBEAR Fourier Transform Spectrometer Calibrator and Spectroscopic Characterization of the POLARBEAR Instrument

Adrian Lee, Aritoki Suzuki, Ben Westbrook, Brian Keating, Calvin Tsai, Daisuke Kaneko, Darcy Barron, Federico Bianchini, Frederick Matsuda, Giulio Fabbian, Giuseppe Puglisi, Hans Paar, Haruki Nishino, Joseph Seibert, Kam Arnold, Kolen Cheung, Lindsay Lowry, Mario Aguilar Faundez, Martin Navaroli, Masaya Hasegawa, Neil Goeckner-Wald, Nobuhiko Katayama, Osamu Tajima, Paul Richards, Praween Siritanasak, Sayuri Takatori, Tucker Elleflot, Yuji Chinone

arxiv:1904.02901 v2 · 2019-04-05 · 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{JUNBMLXKD6CUKK7UL73UF7EIEA}

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	2026-07-05T00:35:43.478916Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4d1a162eea1f85452bf45ff742fc8820008e582f9296bef0375a1c84428d127f

Aliases

arxiv: 1904.02901 · arxiv_version: 1904.02901v2 · doi: 10.48550/arxiv.1904.02901 · pith_short_12: JUNBMLXKD6CU · pith_short_16: JUNBMLXKD6CUKK7U · pith_short_8: JUNBMLXK

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/JUNBMLXKD6CUKK7UL73UF7EIEA \
  | 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: 4d1a162eea1f85452bf45ff742fc8820008e582f9296bef0375a1c84428d127f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22ddb57b6894ebea51f53636ab9d54e825491eba2ca1dfa810f74358b337963b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-04-05T07:20:17Z",
    "title_canon_sha256": "d16920e06ee2bbb96627d9b0672c0618efbcfbee2e833b08fb60a0735080f545"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.02901",
    "kind": "arxiv",
    "version": 2
  }
}