Pith Number

pith:DPF476PC

pith:2012:DPF476PCQLTGW6ERW3RIORBRW6

not attested not anchored not stored refs pending

HexPak and GradPak: variable-pitch dual-head IFUs for the WIYN 3.5m Telescope Bench Spectrograph

Andrew I. Sheinis, Arthur D. Eigenbrot, Corey M. Wood, Eric J. Hooper, John S. Gallagher III, Marsha J. Wolf, Matthew A. Bershady, Michael P. Smith, Scott A. Buckley

arxiv:1208.0333 v1 · 2012-08-01 · 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{DPF476PCQLTGW6ERW3RIORBRW6}

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	2026-05-18T02:05:24.783589Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1bcbcff9e282e66b7891b6e2874431b78a431e1d5a89e78effecb3efefb0ed85

Aliases

arxiv: 1208.0333 · arxiv_version: 1208.0333v1 · doi: 10.48550/arxiv.1208.0333 · pith_short_12: DPF476PCQLTG · pith_short_16: DPF476PCQLTGW6ER · pith_short_8: DPF476PC

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/DPF476PCQLTGW6ERW3RIORBRW6 \
  | 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: 1bcbcff9e282e66b7891b6e2874431b78a431e1d5a89e78effecb3efefb0ed85

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c81539999e550d26bcfbf51da5cd68025203d01de87dd77b49514a6fb9af9d42",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2012-08-01T20:00:00Z",
    "title_canon_sha256": "5dd943ebb928f6e0d1182fa05ea60b283fd17b9113346919f41ed2648fe2cc67"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.0333",
    "kind": "arxiv",
    "version": 1
  }
}