Pith Number

pith:QWBP5G3M

pith:2019:QWBP5G3MEGMBX6WIAXC2QBL4RY

not attested not anchored not stored refs pending

Robotic laser adaptive optics for rapid visible/near-infrared AO imaging and boosted-sensitivity low-resolution NIR integral field spectroscopy

Christoph Baranec (on behalf of the Robo-AO, Rapid Transient Surveyor Teams), Robo-AO-2

arxiv:1907.07052 v1 · 2019-07-12 · 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{QWBP5G3MEGMBX6WIAXC2QBL4RY}

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	2026-05-17T23:40:28.256332Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8582fe9b6c21981bfac805c5a8057c8e0085a916d4376c01053da763f96693c6

Aliases

arxiv: 1907.07052 · arxiv_version: 1907.07052v1 · doi: 10.48550/arxiv.1907.07052 · pith_short_12: QWBP5G3MEGMB · pith_short_16: QWBP5G3MEGMBX6WI · pith_short_8: QWBP5G3M

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/QWBP5G3MEGMBX6WIAXC2QBL4RY \
  | 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: 8582fe9b6c21981bfac805c5a8057c8e0085a916d4376c01053da763f96693c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15a51f6f4e7dfda3f1b4af48328f7aaf97b62f90969c79aea81310267317459a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-07-12T19:35:51Z",
    "title_canon_sha256": "3c0f9694d6c0290255b0ef12c869fa1a602cc846d3a1e483a197105c827f9c6d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.07052",
    "kind": "arxiv",
    "version": 1
  }
}