Pith Number

pith:7YYNFU4E

pith:2014:7YYNFU4EJ5XJVGH5RWJCSQPEVH

not attested not anchored not stored refs pending

A resolved, au-scale gas disk around the B[e] star HD 50138

A. Domiciano De Souza, D. K. Lynch, D. Mourard, F. Tramper, I. Tallon-Bosc, J. B. Le Bouquin, J. Kluska, K. M. Maaskant, K. Perraut, L. E. Ellerbroek, L. Kaper, M. Benisty, M. Borges Fernandes, M. L. Sitko, R. W. Russell, S. Kraus, T. ten Brummelaar

arxiv:1409.7394 v1 · 2014-09-25 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7YYNFU4EJ5XJVGH5RWJCSQPEVH}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:41:56.757727Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe30d2d3844f6e9a98fd8d922941e4a9caf58626816247f9fc62908842bb68f7

Aliases

arxiv: 1409.7394 · arxiv_version: 1409.7394v1 · doi: 10.48550/arxiv.1409.7394 · pith_short_12: 7YYNFU4EJ5XJ · pith_short_16: 7YYNFU4EJ5XJVGH5 · pith_short_8: 7YYNFU4E

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/7YYNFU4EJ5XJVGH5RWJCSQPEVH \
  | 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: fe30d2d3844f6e9a98fd8d922941e4a9caf58626816247f9fc62908842bb68f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "396ebcae19adf5a3af6acc3ec90a394abb2cd93eaafc11e043eea037216676db",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-09-25T20:00:11Z",
    "title_canon_sha256": "dde568fcdab2f864dba799719fd6e8fb7e0abddc0a68c9ad57fc39c9bb87e72e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.7394",
    "kind": "arxiv",
    "version": 1
  }
}