Pith Number

pith:V6CQZOUK

pith:2024:V6CQZOUKMDPYAPUJPYI2KI7BQW

not attested not anchored not stored refs pending

Challenge of direct imaging of exoplanets within structures: disentangling real signal from point source from background light

Alexander D. Hedglen, Alycia Weinberger, Daniel Apai, Eden A. McEwen, Jared R. Males, Jay K. Kueny, Jennifer Lumbres, Jialin Li, Joseph D. Long, Katherine Follette, Kevin Wagner, Kyle Van Gorkom, Laird M. Close, Laura Perez, Lauren Schatz, Logan A. Pearce, Maggie Y. Kautz, Olivier Guyon, Roz Roberts, Sebastiaan Y. Haffert, Warren B. Foster, Ya-Lin Wu

arxiv:2407.13756 v1 · 2024-07-18 · astro-ph.EP · 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{V6CQZOUKMDPYAPUJPYI2KI7BQW}

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	2026-07-05T08:45:43.831115Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af850cba8a60df803e897e11a523e185b1fca7b57ade573b35cf697cdcaeefd4

Aliases

arxiv: 2407.13756 · arxiv_version: 2407.13756v1 · doi: 10.48550/arxiv.2407.13756 · pith_short_12: V6CQZOUKMDPY · pith_short_16: V6CQZOUKMDPYAPUJ · pith_short_8: V6CQZOUK

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/V6CQZOUKMDPYAPUJPYI2KI7BQW \
  | 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: af850cba8a60df803e897e11a523e185b1fca7b57ade573b35cf697cdcaeefd4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a62f3e33a908dde442a4538228b2e1d625882ab8f88693006799f1c33f7d3ad",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2024-07-18T17:55:35Z",
    "title_canon_sha256": "603e873d9ed724fab414d95b86799c03a10e319022005d08824df2c8f9167c40"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2407.13756",
    "kind": "arxiv",
    "version": 1
  }
}