Pith Number

pith:LVSJUHJD

pith:2021:LVSJUHJDQUDDX3D4B6R7HNMAGB

not attested not anchored not stored refs pending

The Planetary Systems Imager Adaptive Optics System: An Initial Optical Design and Performance Analysis Tools for the PSI-Red AO System

Andy Skemer, Benjamin A. Mazin, Claire Max, Ji Wang, M.A.M. van Kooten, Mark Chun, Maxwell Millar-Blanchaer, Michael P. Fitzgerald, Olivier Guyon, Philip M. Hinz, R. Deno Stelter, Rebecca Jensen-Clem, Steph Sallum

arxiv:2109.03321 v1 · 2021-09-07 · 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{LVSJUHJDQUDDX3D4B6R7HNMAGB}

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	2026-07-05T03:12:29.717204Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5d649a1d2385063bec7c0fa3f3b58030480c8b10a8f45a1f0f89abb22652a95d

Aliases

arxiv: 2109.03321 · arxiv_version: 2109.03321v1 · doi: 10.48550/arxiv.2109.03321 · pith_short_12: LVSJUHJDQUDD · pith_short_16: LVSJUHJDQUDDX3D4 · pith_short_8: LVSJUHJD

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/LVSJUHJDQUDDX3D4B6R7HNMAGB \
  | 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: 5d649a1d2385063bec7c0fa3f3b58030480c8b10a8f45a1f0f89abb22652a95d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e0c077261a0113d5ff9a4a370ebd2281726625d94f91ccf3a2c310b434b08a1e",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2021-09-07T20:39:30Z",
    "title_canon_sha256": "14251f2a65025c7c674c03623a918efe5c7f36a865f06ba19fa303d858e18005"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.03321",
    "kind": "arxiv",
    "version": 1
  }
}