Pith Number

pith:RZGNS3XQ

pith:2019:RZGNS3XQBAIXW2MKGKIL6I7SGP

not attested not anchored not stored refs pending

A dust and gas cavity in the disc around CQ Tau revealed by ALMA

Andrea Isella, Anna Miotello, Barbara Ercolano, Davide Fedele, David Wilner, Enrico Ragusa, Giovanni Dipierro, Giovanni Rosotti, Giuseppe Lodato, Greta Guidi, Hendrik Linz, John Carpenter, Laura Perez, Leonardo Testi, Luca Ricci, Marco Tazzari, Melissa McClure, M. Giulia Ubeira Gabellini, Myriam Benisty, Nicol\`as T. Kurtovic, Sean Andrews, Simon Bruderer, Stefano Facchini, Stuartt A. Corder, Thomas Henning, Woojin Kwon

arxiv:1905.00909 v1 · 2019-05-02 · astro-ph.EP · astro-ph.GA · 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{RZGNS3XQBAIXW2MKGKIL6I7SGP}

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	2026-05-17T23:47:08.261731Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e4cd96ef008117b698a3290bf23f233c7828f078b65e306b8f8f3ea5affe9f3

Aliases

arxiv: 1905.00909 · arxiv_version: 1905.00909v1 · doi: 10.48550/arxiv.1905.00909 · pith_short_12: RZGNS3XQBAIX · pith_short_16: RZGNS3XQBAIXW2MK · pith_short_8: RZGNS3XQ

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/RZGNS3XQBAIXW2MKGKIL6I7SGP \
  | 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: 8e4cd96ef008117b698a3290bf23f233c7828f078b65e306b8f8f3ea5affe9f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f844ebf710c75150dfe126052736092009be884c4fd0646ca42a009eee46bb34",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-05-02T18:00:06Z",
    "title_canon_sha256": "0d2907da2f2b64c6dfef8904bd65a35c2a13327c571396b0217c4d290a2052ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.00909",
    "kind": "arxiv",
    "version": 1
  }
}