Pith Number

pith:LZASL4S2

pith:2012:LZASL4S2PL2DXV7WUYLYVWFG36

not attested not anchored not stored refs pending

Extremely fast focal-plane wavefront sensing for extreme adaptive optics

Christoph U. Keller, Michel Verhaegen, Niek Doelman, Raluca Andrei, Rufus Fraanje, Visa Korkiakoski

arxiv:1207.3273 v1 · 2012-07-13 · astro-ph.IM · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LZASL4S2PL2DXV7WUYLYVWFG36}

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	2026-05-18T00:56:52.622129Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5e4125f25a7af43bd7f6a6178ad8a6dfbc2d47a0ef80f334e7970c3561dd4f64

Aliases

arxiv: 1207.3273 · arxiv_version: 1207.3273v1 · doi: 10.48550/arxiv.1207.3273 · pith_short_12: LZASL4S2PL2D · pith_short_16: LZASL4S2PL2DXV7W · pith_short_8: LZASL4S2

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/LZASL4S2PL2DXV7WUYLYVWFG36 \
  | 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: 5e4125f25a7af43bd7f6a6178ad8a6dfbc2d47a0ef80f334e7970c3561dd4f64

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "edc71ebd374de32c85c17ec8173faf2eebecb94d213629982831cb47f6aa2cb8",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2012-07-13T15:06:43Z",
    "title_canon_sha256": "462a73a07bcd9361bda82959113de07bd7bc87be7214405bf439c6e57a091a0c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.3273",
    "kind": "arxiv",
    "version": 1
  }
}