Pith Number

pith:YN762WEE

pith:2015:YN762WEEDIKGJ47ZUJ4SNCYBEY

not attested not anchored not stored refs pending

A Compact Filter-Bank Waveguide Spectrometer for Millimeter Wavelengths

Christopher Groppi, George Che, Matthew Underhill, Philip Mauskopf, Sean Bryan

arxiv:1502.02735 v2 · 2015-02-09 · astro-ph.IM · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YN762WEEDIKGJ47ZUJ4SNCYBEY}

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	2026-05-18T01:34:57.248732Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c37fed58841a1464f3f9a279268b01261ec4416b30207c15e1b69e65b8e51400

Aliases

arxiv: 1502.02735 · arxiv_version: 1502.02735v2 · doi: 10.48550/arxiv.1502.02735 · pith_short_12: YN762WEEDIKG · pith_short_16: YN762WEEDIKGJ47Z · pith_short_8: YN762WEE

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/YN762WEEDIKGJ47ZUJ4SNCYBEY \
  | 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: c37fed58841a1464f3f9a279268b01261ec4416b30207c15e1b69e65b8e51400

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04ea82bbf3637896c0d28e2f98d00a6956e989d6651dec392e8021bb126f4098",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2015-02-09T23:45:59Z",
    "title_canon_sha256": "c2813f58204abe48a751a110fb63e88b6475593c996de64620220a99e326de99"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.02735",
    "kind": "arxiv",
    "version": 2
  }
}