Pith Number

pith:KNPABL77

pith:2016:KNPABL77P463WO6P27PTHLCBWL

not attested not anchored not stored refs pending

The Peculiar Debris Disk of HD 111520 as Resolved by the Gemini Planet Imager

Abhijith Rajan, Alexandra Z. Greenbaum, Anand Sivaramakrishnan, Benjamin Gerard, Brenda C. Matthews, Bruce Macintosh, Christian Marois, Christine Chen, David Lafreni\`ere, David Vega, Deborah Padgett, Eric L. Nielsen, Franck Marchis, Gaspard Duch\^ene, James R. Graham, Jason J. Wang, Jeffrey K. Chilcote, Jenny Patience, Joanna Bulger, Julian Rameau, Kate B. Follette, Kimberly Ward-Duong, Laurent Pueyo, Marshall Perrin, Maxwell A. Millar-Blanchaer, Michael P. Fitzgerald, Pascale Hibon, Patrick Ingraham, Paul Kalas, Rahul Patel, Rebecca Oppenheimer, Ren\'e Doyon, Sasha Hinkley, Schuyler G. Wolff, S. Mark Ammons, Zachary H. Draper

arxiv:1605.02771 v1 · 2016-05-09 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KNPABL77P463WO6P27PTHLCBWL}

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	2026-05-18T01:10:04.897575Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

535e00afff7f3dbb3bcfd7df33ac41b2f358b72f777bc3cf455d49cece9825ed

Aliases

arxiv: 1605.02771 · arxiv_version: 1605.02771v1 · doi: 10.48550/arxiv.1605.02771 · pith_short_12: KNPABL77P463 · pith_short_16: KNPABL77P463WO6P · pith_short_8: KNPABL77

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/KNPABL77P463WO6P27PTHLCBWL \
  | 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: 535e00afff7f3dbb3bcfd7df33ac41b2f358b72f777bc3cf455d49cece9825ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0be9e754416960ed82d499e8bc704920e141666549b64e95bfc8c30470a2c59",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2016-05-09T20:36:57Z",
    "title_canon_sha256": "b45093bd52ab8c0bd9f3d805b47380312ef17312803c40ba58fc9f23c5615300"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.02771",
    "kind": "arxiv",
    "version": 1
  }
}