Pith Number

pith:W7CPLDPD

pith:2016:W7CPLDPDQWTAESZGNYNH7SCTHZ

not attested not anchored not stored refs pending

Detailed Design of a Deployable Tertiary Mirror for the Keck I Telescope

(2) W.M. Keck Observatory), Alex Tripsas (1), Bill Randolph (2), Chris Ratliff (1), Dale Sanford (1), David Cowley (1), Drew Phillips (1), Hilton Lewis (2), Jerry Cabak (1), Jerry Nelson (1), Jim Ward (1), J. Xavier Prochaska (1), Michael Bolte (1), Michael Peck (1), Mike Dahler (2), Mike Pollard (2), Sam Park (2), Sean Adkins (2), Truman Wold (2) ((1) University of California Observatories, Will Deich (1)

arxiv:1609.02060 v1 · 2016-09-07 · 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{W7CPLDPDQWTAESZGNYNH7SCTHZ}

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	2026-05-18T00:52:38.793898Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7c4f58de385a6024b266e1a7fc8533e5b50d3d89886b6904a6246b67437a292

Aliases

arxiv: 1609.02060 · arxiv_version: 1609.02060v1 · doi: 10.48550/arxiv.1609.02060 · pith_short_12: W7CPLDPDQWTA · pith_short_16: W7CPLDPDQWTAESZG · pith_short_8: W7CPLDPD

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/W7CPLDPDQWTAESZGNYNH7SCTHZ \
  | 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: b7c4f58de385a6024b266e1a7fc8533e5b50d3d89886b6904a6246b67437a292

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "079dc8b854545a5f96b5c5657421dbd35aa74b58c535eb37e062875ae581b8b5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2016-09-07T16:44:34Z",
    "title_canon_sha256": "011cc253cc60ddfa4164c74576c5a466b2bec72a477eab8491736b2b2450606e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.02060",
    "kind": "arxiv",
    "version": 1
  }
}