pith. sign in
Pith Number

pith:NBWW4GSV

pith:2019:NBWW4GSVCPQFVC443CB5P6QMVS
not attested not anchored not stored refs pending

Detection of H$\alpha$ emission from PZ Tel B using SPHERE/ZIMPOL

Andr\'e M\"uller, Arianna Musso Barcucci, Faustine Cantalloube, Gabriele Cugno, Judit Szulagyi, Mickael Bonnefoy, Ralf Launhardt, Roy van Boekel, Sascha P. Quanz, Thomas Henning

arxiv:1910.00269 v2 · 2019-10-01 · astro-ph.EP · astro-ph.IM · astro-ph.SR

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{NBWW4GSVCPQFVC443CB5P6QMVS}

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 2026-07-05T00:15:41.163764Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

686d6e1a5513e05a8b9cd883d7fa0cac8ec2162e56e20a17874b46b9b2866ce1

Aliases

arxiv: 1910.00269 · arxiv_version: 1910.00269v2 · doi: 10.48550/arxiv.1910.00269 · pith_short_12: NBWW4GSVCPQF · pith_short_16: NBWW4GSVCPQFVC44 · pith_short_8: NBWW4GSV
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/NBWW4GSVCPQFVC443CB5P6QMVS \
  | 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: 686d6e1a5513e05a8b9cd883d7fa0cac8ec2162e56e20a17874b46b9b2866ce1
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "1a9c4510312b08e2ba39ac954d46bcb5590eba99ef98fede0e7efa9bfd2cfa61",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-10-01T09:15:00Z",
    "title_canon_sha256": "4f7d14ad2cf2bce71760cd5321f6acf5075ed70290a578eaa1f45f1039a69cee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.00269",
    "kind": "arxiv",
    "version": 2
  }
}