Pith Number

pith:FKJXBXQH

pith:2020:FKJXBXQH7SRA2DIF3DUOPRU2XS

not attested not anchored not stored refs pending

Early High-contrast Imaging Results with Keck/NIRC2-PWFS: The SR 21 Disk

Benjamin Zuckerman, Bin Ren, Brendan P. Bowler, Charlotte Z. Bond, Christoph Baranec, Dimitri Mawet, Elodie Choquet, Garreth Ruane, Henry Ngo, Jacques-Robert Delorme, Jason J. Wang, Jean-Baptiste Ruffio, Ji Wang, Jun Hashimoto, Kevin Fogarty, Marie Ygouf, Mark Chun, Michael C. Liu, Nicole Wallack, Olivier Guyon, Peter Wizinowich, Rebecca Jensen-Clem, Taichi Uyama, Takayuki Muto, Tiffany Meshkat

arxiv:2011.00044 v1 · 2020-10-30 · 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{FKJXBXQH7SRA2DIF3DUOPRU2XS}

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	2026-07-05T01:56:14.651445Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a9370de07fca20d0d05d8e8e7c69abc9fdaf4cca3c4d593daeadc306a5f5c33

Aliases

arxiv: 2011.00044 · arxiv_version: 2011.00044v1 · doi: 10.48550/arxiv.2011.00044 · pith_short_12: FKJXBXQH7SRA · pith_short_16: FKJXBXQH7SRA2DIF · pith_short_8: FKJXBXQH

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/FKJXBXQH7SRA2DIF3DUOPRU2XS \
  | 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: 2a9370de07fca20d0d05d8e8e7c69abc9fdaf4cca3c4d593daeadc306a5f5c33

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d30a635193de774f300f388d72332538e73045583fa01f2a30551665b3aa3fdf",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2020-10-30T18:46:43Z",
    "title_canon_sha256": "b95e05643bf88e0747b6bfb9aa4aa14dd54b419711052de67b413103d586efef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2011.00044",
    "kind": "arxiv",
    "version": 1
  }
}