Pith Number

pith:OPWCDA5U

pith:2022:OPWCDA5UI45HCSWGKS5PKIT6LE

not attested not anchored not stored refs pending

Observing inside the coronagraphic regime with optimized single-mode nulling interferometry

D. Echeverri, E. Serabyn, G. Ruane

arxiv:2210.09412 v1 · 2022-10-17 · 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{OPWCDA5UI45HCSWGKS5PKIT6LE}

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	2026-07-05T05:07:24.516385Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73ec2183b4473a714ac654baf5227e592cde35c35329566b69b8f25d2ce4bb6c

Aliases

arxiv: 2210.09412 · arxiv_version: 2210.09412v1 · doi: 10.48550/arxiv.2210.09412 · pith_short_12: OPWCDA5UI45H · pith_short_16: OPWCDA5UI45HCSWG · pith_short_8: OPWCDA5U

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/OPWCDA5UI45HCSWGKS5PKIT6LE \
  | 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: 73ec2183b4473a714ac654baf5227e592cde35c35329566b69b8f25d2ce4bb6c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca92e0fdd72a6db745b849bf0781b0dc7e0335b99044a097e7f11e9c9d1446b4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2022-10-17T20:23:48Z",
    "title_canon_sha256": "90770c12560eb9c75ca7e7cbb4952790e93ee0183f61d0088a85b5f44e15b662"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2210.09412",
    "kind": "arxiv",
    "version": 1
  }
}