Pith Number

pith:37P6RIEH

pith:2023:37P6RIEH3EY3FNZJICSFTK6E47

not attested not anchored not stored refs pending

Microfabricated pinholes for high contrast imaging testbeds

Emory L. Jenkins, Ewan S. Douglas, Kevin Derby, Kyle Van Gorkom, Patrick Ingraham

arxiv:2309.04604 v1 · 2023-09-08 · 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{37P6RIEH3EY3FNZJICSFTK6E47}

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	2026-07-05T06:49:05.653051Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dfdfe8a087d931b2b72940a459abc4e7c0da7be32d852ec7e273ac16acfaf966

Aliases

arxiv: 2309.04604 · arxiv_version: 2309.04604v1 · doi: 10.48550/arxiv.2309.04604 · pith_short_12: 37P6RIEH3EY3 · pith_short_16: 37P6RIEH3EY3FNZJ · pith_short_8: 37P6RIEH

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/37P6RIEH3EY3FNZJICSFTK6E47 \
  | 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: dfdfe8a087d931b2b72940a459abc4e7c0da7be32d852ec7e273ac16acfaf966

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc4f3b3d859739f3d51ad26a088030746bdc8b1d1e809b259e35e947615ad76c",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2023-09-08T21:27:43Z",
    "title_canon_sha256": "376d27041deb0a6f7d87486d1cb6cf1947dc8f8b1d7a8eb74e7521513dbf0a48"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2309.04604",
    "kind": "arxiv",
    "version": 1
  }
}