Pith Number

pith:TKHMXYN7

pith:2022:TKHMXYN7JWLTCC2IFGSTFIYZAO

not attested not anchored not stored refs pending

A Visible-light Lyot Coronagraph for SCExAO/VAMPIRES

Barnaby Norris, Julien Lozi, Kyohoon Ahn, Michael Bottom, Miles Lucas, Nour Skaf, Olivier Guyon, Peter Tuthill, Sebastien Vievard, Vincent Deo

arxiv:2208.02380 v1 · 2022-08-03 · 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{TKHMXYN7JWLTCC2IFGSTFIYZAO}

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	2026-07-05T04:46:03.941146Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9a8ecbe1bf4d97310b4829a532a3190392f9585e60eb054da4bd491e3522d90c

Aliases

arxiv: 2208.02380 · arxiv_version: 2208.02380v1 · doi: 10.48550/arxiv.2208.02380 · pith_short_12: TKHMXYN7JWLT · pith_short_16: TKHMXYN7JWLTCC2I · pith_short_8: TKHMXYN7

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/TKHMXYN7JWLTCC2IFGSTFIYZAO \
  | 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: 9a8ecbe1bf4d97310b4829a532a3190392f9585e60eb054da4bd491e3522d90c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "404a45db36f8fe60ed1c23bfc63a4e91437950619e125ffd07da8b3018728c7a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2022-08-03T23:15:22Z",
    "title_canon_sha256": "6e21df6f8b6ea0b1e0f5c09a9e4d505233c89f10802d28917c7e4e478439903c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2208.02380",
    "kind": "arxiv",
    "version": 1
  }
}