Pith Number

pith:64I5HXHQ

pith:2014:64I5HXHQO4WPPAZ2OA6SBRJ3XA

not attested not anchored not stored refs pending

Developing Engineering Model Cobra fiber positioners for the Subaru Telescope Prime Focus Spectrometer

Andrew Houck, Charles Fisher, Chaz Morantz, Christopher Capocasale, Daniele Piazza, Dan Reiley, David Braun, David Henderson, Eamon Partos, Eric Walkama, Hrand Aghazarian, Joel Kaluzny, Johannes Gross, Khanh Bui, Larry Hovland, Mark Schwochert, Matthew King, Michael Seiffert, Peter Mao, Reed Riddle, Rob Culhane, Todd Haran

arxiv:1408.2833 v1 · 2014-08-12 · 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{64I5HXHQO4WPPAZ2OA6SBRJ3XA}

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	2026-05-18T01:42:21.192334Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f711d3dcf0772cf7833a703d20c53bb830cb4ffc18f5f7a06eda40289713c938

Aliases

arxiv: 1408.2833 · arxiv_version: 1408.2833v1 · doi: 10.48550/arxiv.1408.2833 · pith_short_12: 64I5HXHQO4WP · pith_short_16: 64I5HXHQO4WPPAZ2 · pith_short_8: 64I5HXHQ

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/64I5HXHQO4WPPAZ2OA6SBRJ3XA \
  | 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: f711d3dcf0772cf7833a703d20c53bb830cb4ffc18f5f7a06eda40289713c938

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1daeb18d122c11f9218adb35ea7a90e5fe7bea00e09194bd3904412da7cbd750",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2014-08-12T20:02:20Z",
    "title_canon_sha256": "c9465001c41a2221fb594c7da67e34de50d0f2f60830acdb2c4a1781e16eb175"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.2833",
    "kind": "arxiv",
    "version": 1
  }
}