Pith Number

pith:74WVZDOQ

pith:2023:74WVZDOQK5M5WGCTB4SBXW47VB

not attested not anchored not stored refs pending

Fabrication of a Monolithic 5-Meter Aluminum Reflector for Millimeter-Wavelength Observations of the Cosmic Microwave Background

Bradford Benson, Bruno Clavel, Eric Chauvin, Jeff Zivick, John Carlstrom, Klaus Schwab, Lutz Stenvers, Mike Niemack, Nick Emerson, Patricio Gallardo, Steve Padin, Tyler Natoli

arxiv:2304.01469 v1 · 2023-04-04 · 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{74WVZDOQK5M5WGCTB4SBXW47VB}

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	2026-07-05T06:22:02.683478Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff2d5c8dd05759db18530f241bdb9fa87cf7478fc8720dc09266f1c71db87bfa

Aliases

arxiv: 2304.01469 · arxiv_version: 2304.01469v1 · doi: 10.48550/arxiv.2304.01469 · pith_short_12: 74WVZDOQK5M5 · pith_short_16: 74WVZDOQK5M5WGCT · pith_short_8: 74WVZDOQ

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/74WVZDOQK5M5WGCTB4SBXW47VB \
  | 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: ff2d5c8dd05759db18530f241bdb9fa87cf7478fc8720dc09266f1c71db87bfa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bdb49729032e1e2ac3e7975ee5cb557f4223974189422ea805c27fc1b64dc561",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2023-04-04T02:19:16Z",
    "title_canon_sha256": "34acbef13b493154d5a48e031a9a23430b161819ab903e41ebee14087124995c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2304.01469",
    "kind": "arxiv",
    "version": 1
  }
}