Pith Number

pith:35UAA3H2

pith:2012:35UAA3H26VQNIDFPOE5QTV5ZSF

not attested not anchored not stored refs pending

Developments in high-density Cobra fiber positioners for the Subaru Telescope's Prime Focus Spectrograph

Charles D. Fisher, David F. Braun, Joel V. Kaluzny, Michael D. Seiffert, Richard G. Dekany, Richard S. Ellis, Roger M. Smith

arxiv:1210.2734 v1 · 2012-10-09 · 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{35UAA3H26VQNIDFPOE5QTV5ZSF}

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	2026-05-18T03:43:31.610300Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

df68006cfaf560d40caf713b09d7b991402022f3b546c6f83811e749c7c1362f

Aliases

arxiv: 1210.2734 · arxiv_version: 1210.2734v1 · doi: 10.48550/arxiv.1210.2734 · pith_short_12: 35UAA3H26VQN · pith_short_16: 35UAA3H26VQNIDFP · pith_short_8: 35UAA3H2

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/35UAA3H26VQNIDFPOE5QTV5ZSF \
  | 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: df68006cfaf560d40caf713b09d7b991402022f3b546c6f83811e749c7c1362f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "33bad090f67dda843117e2a7e6538212a2724ed045ef5ffd8f3a93451a7510b3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2012-10-09T20:04:20Z",
    "title_canon_sha256": "16a0bb4f7ef83575ced788ea426addf5b030b414763f82d4610e643bc9d23672"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.2734",
    "kind": "arxiv",
    "version": 1
  }
}