Pith Number

pith:FTQWDBJE

pith:2018:FTQWDBJEF2FHR3LFFTSKLJUZDM

not attested not anchored not stored refs pending

Starbug fibre positioning robots: performance and reliability enhancements

Daniel Jacobs, David M.Brown, James Gilbert, Jon Lawrence, Julia Tims, Kyler Kuehn, Michael Goodwin, Nick Staszak, Nuria P. F. Lorente, Scott Case, Vijay Nichani, Will Saunders

arxiv:1805.10761 v1 · 2018-05-28 · 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{FTQWDBJEF2FHR3LFFTSKLJUZDM}

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	2026-05-18T00:14:51.497281Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ce16185242e8a78ed652ce4a5a6991b30682306ad22ad0085a868294a5a8649

Aliases

arxiv: 1805.10761 · arxiv_version: 1805.10761v1 · doi: 10.48550/arxiv.1805.10761 · pith_short_12: FTQWDBJEF2FH · pith_short_16: FTQWDBJEF2FHR3LF · pith_short_8: FTQWDBJE

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/FTQWDBJEF2FHR3LFFTSKLJUZDM \
  | 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: 2ce16185242e8a78ed652ce4a5a6991b30682306ad22ad0085a868294a5a8649

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e693fd012b70294278b4b5fb2ed7ee505d8d9eee511576d0ce687b2ae2e61258",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-05-28T04:07:55Z",
    "title_canon_sha256": "768d8e3cf099ca6d0af1a60c8866c9e8d7fdad91538dd85f4b478750a5317727"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.10761",
    "kind": "arxiv",
    "version": 1
  }
}