Pith Number

pith:4GNJAPCH

pith:2022:4GNJAPCHDZM4U4E46LEDQRPWH5

not attested not anchored not stored refs pending

XPipeline: Starlight subtraction at scale for MagAO-X

Alexander Hedglen, Alex Rodack, David Doelman, Frans Snik, Gilles P. P. L. Otten, Jared R. Males, Jennifer Lumbres, Joseph D. Long, Katie M. Morzinski, Kelsey Miller, Kyle Van Gorkom, Laird M. Close, Lauren Schatz, Maggie Kautz, Matthew A. Kenworthy, Sebastiaan Y. Haffert, Steven Bos, Warren Foster

arxiv:2208.07354 v1 · 2022-08-15 · 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{4GNJAPCHDZM4U4E46LEDQRPWH5}

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	2026-07-05T04:48:27.195838Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e19a903c471e59ca709cf2c83845f63f702c76744ad307ce97232d15fce521df

Aliases

arxiv: 2208.07354 · arxiv_version: 2208.07354v1 · doi: 10.48550/arxiv.2208.07354 · pith_short_12: 4GNJAPCHDZM4 · pith_short_16: 4GNJAPCHDZM4U4E4 · pith_short_8: 4GNJAPCH

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/4GNJAPCHDZM4U4E46LEDQRPWH5 \
  | 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: e19a903c471e59ca709cf2c83845f63f702c76744ad307ce97232d15fce521df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ab719d617ee3498a5a8bfc356075b00a76fc990e4b2dd29ebce93911bb28cb9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2022-08-15T17:42:54Z",
    "title_canon_sha256": "2c8d050eb98a65256f606ccc76f3a3e703fff68210b7ff63e31e4b5e5ba67243"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2208.07354",
    "kind": "arxiv",
    "version": 1
  }
}