Pith Number

pith:UY2AK5ON

pith:2013:UY2AK5ONVQXSHQNRVVJDJDWC2A

not attested not anchored not stored refs pending

Rise of the machines: first year operations of the Robo-AO visible-light laser-adaptive optics instrument

A. N. Ramaprakash, Christoph Baranec, Hillol Das, Khanh Bui, Kristina Hogstrom, Mahesh Burse, Nicholas M. Law, Pravin Chordia, Reed Riddle, Richard Dekany, Roger Smith, Shriharsh Tendulkar, Shrinivas Kulkarni, Sujit Punnadi

arxiv:1309.4432 v1 · 2013-09-17 · 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{UY2AK5ONVQXSHQNRVVJDJDWC2A}

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	2026-05-18T03:13:08.720811Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6340575cdac2f23c1b1ad52348ec2d032d91c88deac9d9ad460425092927bf9

Aliases

arxiv: 1309.4432 · arxiv_version: 1309.4432v1 · doi: 10.48550/arxiv.1309.4432 · pith_short_12: UY2AK5ONVQXS · pith_short_16: UY2AK5ONVQXSHQNR · pith_short_8: UY2AK5ON

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/UY2AK5ONVQXSHQNRVVJDJDWC2A \
  | 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: a6340575cdac2f23c1b1ad52348ec2d032d91c88deac9d9ad460425092927bf9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14a7e2a07ff281ed20b458d8669aa6204022ef776f712a6abff40ed777af6dc7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2013-09-17T19:29:59Z",
    "title_canon_sha256": "c663517c49ae1da295a8c3bd51ba2ea3b783e76fe4117fa6a2eec51ce2d9fb2b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.4432",
    "kind": "arxiv",
    "version": 1
  }
}