Pith Number

pith:KJYIQLCE

pith:2026:KJYIQLCETTHWLVJZWL7DREZPVM

not attested not anchored not stored refs pending

Seidr update: photonic 'black magic' for high-contrast interferometry using kernel-nulling and photonic lanterns

Adam K Taras, Akira Rodziewicz-Ryan, Barnaby Norris, Christopher H Betters, Daniel S Dahl, Frantz Martinache, Jin Wei, Julia J Bryant, Jyotirmay Paul, Marc-Antoine Martinod, Michael J Ireland, Nathan K Long, Nick Cvetojevic, Peter G Tuthill, Sergio Leon-Saval, Stefan Kraus

arxiv:2607.03280 v1 · 2026-07-03 · physics.optics · 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{KJYIQLCETTHWLVJZWL7DREZPVM}

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	2026-07-07T02:17:34.965441Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5270882c449ccf65d539b2fe38932fab2fa9c92ca7859de4ad6ecec2747da65c

Aliases

arxiv: 2607.03280 · arxiv_version: 2607.03280v1 · doi: 10.48550/arxiv.2607.03280 · pith_short_12: KJYIQLCETTHW · pith_short_16: KJYIQLCETTHWLVJZ · pith_short_8: KJYIQLCE

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/KJYIQLCETTHWLVJZWL7DREZPVM \
  | 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: 5270882c449ccf65d539b2fe38932fab2fa9c92ca7859de4ad6ecec2747da65c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76ce6cbd841361048615a01c0c98da4ecf6f0b80c0f2aa9e1fa813347354c2e7",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2026-07-03T12:49:15Z",
    "title_canon_sha256": "511c20c396586abed1c5cf10c2141ef6d43d29d19cfde93ac297e7f391c01ca8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.03280",
    "kind": "arxiv",
    "version": 1
  }
}