Pith Number

pith:XNXCQZ7S

pith:2019:XNXCQZ7SBECTIKDIDLI2ESUGDX

not attested not anchored not stored refs pending

A possibly inflated planet around the bright, young star DS Tuc A

A. Bignamini, C. Lovis, D. Mesa, D. Nardiello, E. Covino, L. Borsato, L. Malavolta, M. Damasso, M. Esposito, R. Claudi, S. Benatti, S. Desidera, S. Messina, S. Sabotta, V. D'Orazi, V. Nascimbeni

arxiv:1904.01591 v2 · 2019-04-02 · astro-ph.SR · 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{XNXCQZ7SBECTIKDIDLI2ESUGDX}

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	2026-07-05T00:06:39.264299Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb6e2867f209053428681ad1a24a861de97e31de3d1e4017f7133bb421ac18a5

Aliases

arxiv: 1904.01591 · arxiv_version: 1904.01591v2 · doi: 10.48550/arxiv.1904.01591 · pith_short_12: XNXCQZ7SBECT · pith_short_16: XNXCQZ7SBECTIKDI · pith_short_8: XNXCQZ7S

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/XNXCQZ7SBECTIKDIDLI2ESUGDX \
  | 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: bb6e2867f209053428681ad1a24a861de97e31de3d1e4017f7133bb421ac18a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aec7cf0d1c6e5880f6f8c4bddfaa83f9c822182496a19eb5536416046df86c7c",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-04-02T18:00:04Z",
    "title_canon_sha256": "29b89f70f8f5fea1d6418ba5fec4e37c670ccdccb4576e5d8a5b96868d6ab985"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.01591",
    "kind": "arxiv",
    "version": 2
  }
}