Pith Number

pith:QH5NQO3J

pith:2026:QH5NQO3JRYE7TL7MYISJ26ELZ6

not attested not anchored not stored refs pending

Estimation of the laser guide star uplink tip-tilt using aperture size diversity

Benoit Neichel, Carlos M. Correia, C\'edric Taissir Heritier, Jean-Fran\c{c}ois Sauvage, Pierre Jouve, Thierry Fusco

arxiv:2607.12494 v1 · 2026-07-14 · 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{QH5NQO3JRYE7TL7MYISJ26ELZ6}

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	2026-07-15T01:21:37.981667Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81fad83b698e09f9afecc2249d788bcf9b2d237a0c3f3969fc9ba9869455cf9c

Aliases

arxiv: 2607.12494 · arxiv_version: 2607.12494v1 · doi: 10.48550/arxiv.2607.12494 · pith_short_12: QH5NQO3JRYE7 · pith_short_16: QH5NQO3JRYE7TL7M · pith_short_8: QH5NQO3J

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/QH5NQO3JRYE7TL7MYISJ26ELZ6 \
  | 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: 81fad83b698e09f9afecc2249d788bcf9b2d237a0c3f3969fc9ba9869455cf9c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "387d93dcabd7dc54ecdbb92e37a40f9d628023f11a09bd094e34f26d75554060",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2026-07-14T08:26:51Z",
    "title_canon_sha256": "986021b5b2a63b5909dca790288a8a00753bd37dd23d9bfff672ab6c1ee91222"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.12494",
    "kind": "arxiv",
    "version": 1
  }
}