Pith Number

pith:CKF4Y36W

pith:2024:CKF4Y36WTMHARS6RPWZNZDRKCP

not attested not anchored not stored refs pending

A Survey of Protoplanetary Disks Using the Keck/NIRC2 Vortex Coronagraph

Benjamin Calvin, Bin B. Ren, Bruno Femen\'ia Castell\'a, Carlos Alvarez, Carlos Gomez Gonzalez, Charlotte Bond, Dimitri Mawet, \'Elodie Choquet, Elsa huby, Eugene Serabyn, Garreth Ruane, Greta Guidi, Heather A. Knutson, Henry Ngo, Jaehan Bae, Jason J. Wang, Jean-Baptiste Ruffio, Jerry W. Xuan, Joel Kastner, Jonathan P. Williams, Karl Stapelfeldt, Luca Ricci, Maddalena Reggiani, Marion Villenave, Michael Bottom, Michael C. Liu, Nicole L. Wallack, Olivier Absil, Peter Wizinowich, Sam Ragland, Shangjia Zhang, Taichi Uyama, Therese Cook, Tiffany Meshkat, Valentin Christiaens, Zhaohuan Zhu, Zoe Zawol

arxiv:2408.04048 v1 · 2024-08-07 · astro-ph.EP · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CKF4Y36WTMHARS6RPWZNZDRKCP}

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	2026-07-05T08:53:27.416901Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

128bcc6fd69b0e08cbd17db2dc8e2a13f2426772fac8b8006197100c783f6278

Aliases

arxiv: 2408.04048 · arxiv_version: 2408.04048v1 · doi: 10.48550/arxiv.2408.04048 · pith_short_12: CKF4Y36WTMHA · pith_short_16: CKF4Y36WTMHARS6R · pith_short_8: CKF4Y36W

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/CKF4Y36WTMHARS6RPWZNZDRKCP \
  | 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: 128bcc6fd69b0e08cbd17db2dc8e2a13f2426772fac8b8006197100c783f6278

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "749c34bb2963dc202d5008302b27f4ba60f1391bc7ac352350c8532e23fd39c8",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2024-08-07T18:59:14Z",
    "title_canon_sha256": "24232c6b19aee6609302aacf8f8d2709d33a0d2c93fc0904f847bdef3398879f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2408.04048",
    "kind": "arxiv",
    "version": 1
  }
}