Pith Number

pith:LH65ABTA

pith:2021:LH65ABTAVO57WBKSKCBDDM7EPZ

not attested not anchored not stored refs pending

High contrast imaging at the photon noise limit with self-calibrating WFS/C systems

Alexander Rodack, Alison Wong, Barnaby Norris, Benjamin Mazin, Frantz Martinache, Jared Males, Julien Lozi, Kelsey Miller, Kyle Van Gorkom, Kyohoon Ahn, Marc-Antoine Martinod, Michael Bottom, Nemanja Jovanovic, Nour Skaf, Olivier Guyon, Peter Tuthill, Richard Frazin, Ruslan Belikov, Sebastien Vievard, Steven P. Bos, Thayne Currie, Tyler Groff, Vincent Deo

arxiv:2109.13958 v2 · 2021-09-28 · 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{LH65ABTAVO57WBKSKCBDDM7EPZ}

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	2026-07-05T03:19:46.676608Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

59fdd00660abbbfb0552508231b3e47e67750ad84b7d6fb6d4049296ee1d0b66

Aliases

arxiv: 2109.13958 · arxiv_version: 2109.13958v2 · doi: 10.48550/arxiv.2109.13958 · pith_short_12: LH65ABTAVO57 · pith_short_16: LH65ABTAVO57WBKS · pith_short_8: LH65ABTA

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/LH65ABTAVO57WBKSKCBDDM7EPZ \
  | 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: 59fdd00660abbbfb0552508231b3e47e67750ad84b7d6fb6d4049296ee1d0b66

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe73835118e2b9be0597c83263eaf7ab30b02acb07af324382e1262204831eac",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2021-09-28T18:01:12Z",
    "title_canon_sha256": "a0b07a6ab3bae50b505e0850afca32f69a09f7e0518feba2f9be5d8803911153"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.13958",
    "kind": "arxiv",
    "version": 2
  }
}