Pith Number

pith:4MRXSUMB

pith:2019:4MRXSUMBY3IA3RNAR6YIAIOP3S

not attested not anchored not stored refs pending

ISPY -- NaCo Imaging Survey for Planets around Young stars. Discovery of an M dwarf in the gap between HD 193571 and its debris ring

Andreas Quirrenbach, Andr\'e M\"uller, Anthony Cheetham, Arianna Musso Barcucci, Damien Segransan, Emily L. Rickman, Faustine Cantalloube, Francesco Pepe, Gabriele Cugno, Grant M. Kennedy, Henning Avenhaus, Johan Olofsson, Julien Girard, Matthias Samland, Nicol\'as Godoy, Ralf Launhardt, Roy van Boekel, Sabine Reffert, Sascha P. Quanz, Stanimir Metchev, Stefan S. Brems, Thomas K. Henning

arxiv:1906.01391 v2 · 2019-06-04 · 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{4MRXSUMBY3IA3RNAR6YIAIOP3S}

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	2026-05-17T23:41:41.869409Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e323795181c6d00dc5a08fb08021cfdca8df583e583ebdaa96ca181e5a8ce6a5

Aliases

arxiv: 1906.01391 · arxiv_version: 1906.01391v2 · doi: 10.48550/arxiv.1906.01391 · pith_short_12: 4MRXSUMBY3IA · pith_short_16: 4MRXSUMBY3IA3RNA · pith_short_8: 4MRXSUMB

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/4MRXSUMBY3IA3RNAR6YIAIOP3S \
  | 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: e323795181c6d00dc5a08fb08021cfdca8df583e583ebdaa96ca181e5a8ce6a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3cd26f1c3d8045aa3fea2d9479120c61bdef1bf1de35830a801cb74a44dde607",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-06-04T13:03:31Z",
    "title_canon_sha256": "2c10dce8c62f97d87cf35877b7af3f9f0c122d97af93900978afe4cb462c85a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.01391",
    "kind": "arxiv",
    "version": 2
  }
}