Pith Number

pith:OIP3WHWE

pith:2016:OIP3WHWEO4TRXZR5ZHAFACGIQW

not attested not anchored not stored refs pending

iLocater: A Diffraction-limited Doppler Spectrometer for the Large Binocular Telescope

Alessandro Sozzetti, Andreas Quirrenbach, Andrew Bechter, Bo Zhao, B. Scott Gaudi, Charles E. Woodward, Christian Schwab, Corina Koca, David Cavalieri, David King, Derek Kopon, Eleanya Onuma, Eric Bechter, Fred Hearty, Giusi Micela, Isabella Pagano, James McGuire, Jonathan Crass, Joseph Thomes, Joshua Eisner, Justin R. Crepp, Kaitlin Kratter, Karl Stapelfeldt, Leonard Zugby, Louis Fantano, Marc Kuchner, Matthew Nelson, Michael Skrutskie, Philip Hinz, Robert Reynolds, Ronald Korniski, Ryan Ketterer, Sheila Wall, Steven Macenka

arxiv:1609.04412 v1 · 2016-09-14 · astro-ph.IM · astro-ph.EP · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OIP3WHWEO4TRXZR5ZHAFACGIQW}

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	2026-05-18T01:04:36.834683Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

721fbb1ec477271be63dc9c05008c8858d320c73d304d382c2a4850eaf42cb56

Aliases

arxiv: 1609.04412 · arxiv_version: 1609.04412v1 · doi: 10.48550/arxiv.1609.04412 · pith_short_12: OIP3WHWEO4TR · pith_short_16: OIP3WHWEO4TRXZR5 · pith_short_8: OIP3WHWE

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/OIP3WHWEO4TRXZR5ZHAFACGIQW \
  | 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: 721fbb1ec477271be63dc9c05008c8858d320c73d304d382c2a4850eaf42cb56

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "25f88047e488a16429d1c8799ac527198c1e73532cdda0405a75c1deb3adeb61",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2016-09-14T20:00:16Z",
    "title_canon_sha256": "98ff99ef7bf0e03b9939dea79a57a36d94c2e0306f7e82097002200aa9dab8d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.04412",
    "kind": "arxiv",
    "version": 1
  }
}