Pith Number

pith:WJJMUT3A

pith:2017:WJJMUT3AIDTK6RDMLPYNZBLLKM

not attested not anchored not stored refs pending

Laser-only adaptive optics achieves significant image quality gains compared to seeing-limited observations over the entire sky

Carl A. Ziegler, Christoph Baranec, Nicholas M. Law, Reed Riddle, Ward S. Howard

arxiv:1711.04375 v1 · 2017-11-12 · astro-ph.IM · astro-ph.EP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WJJMUT3AIDTK6RDMLPYNZBLLKM}

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	2026-05-18T00:24:48.375977Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b252ca4f6040e6af446c5bf0dc856b530569e155e152f76ce010f5f7ba577cd5

Aliases

arxiv: 1711.04375 · arxiv_version: 1711.04375v1 · doi: 10.48550/arxiv.1711.04375 · pith_short_12: WJJMUT3AIDTK · pith_short_16: WJJMUT3AIDTK6RDM · pith_short_8: WJJMUT3A

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/WJJMUT3AIDTK6RDMLPYNZBLLKM \
  | 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: b252ca4f6040e6af446c5bf0dc856b530569e155e152f76ce010f5f7ba577cd5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff5268a8c78ec74b9993e83e267e300414b607a898e1970c4340868213cfb78e",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2017-11-12T22:42:21Z",
    "title_canon_sha256": "63d3003c7432306f2d46b985053c7ed930679d7bf1be1a0e56179671c9d999bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.04375",
    "kind": "arxiv",
    "version": 1
  }
}