Pith Number

pith:XM2VL6YC

pith:2019:XM2VL6YCTEWMCVNR44JDDVOW6Z

not attested not anchored not stored refs pending

Diagnosing the Clumpy Protoplanetary Disk of the UXor Type Young Star GM Cephei

C. S. Lin, D. Wagner, E. L. N. Jensen, E. Pak\v{s}tien\.e, E. Semkov, H. C. Lin, H. Naito, H. Y. Hsiao, J. Budaj, J. K. T. Qvam, J. Ohlert, J. Z Liu, K. Kuramoto, M. Mugrauer, M. Schwartz, M. Watanabe, O. Burkhonov, O. Lux, P. C. Huang, R. Bischoff, R. Errmann, R. Janulis, R. Neuh\"auser, S. Ehgamberdiev, S. Kiyota, S. Sato, S. Takagi, St. Raetz, T. Pribulla, W. P. Chen, Y. Zhang, Z. Garai

arxiv:1902.04824 v1 · 2019-02-13 · 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{XM2VL6YCTEWMCVNR44JDDVOW6Z}

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	2026-05-17T23:53:20.313054Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb3555fb02992cc155b1e71231d5d6f64fe7cfd898b883b96aedb31b9a24d4c9

Aliases

arxiv: 1902.04824 · arxiv_version: 1902.04824v1 · doi: 10.48550/arxiv.1902.04824 · pith_short_12: XM2VL6YCTEWM · pith_short_16: XM2VL6YCTEWMCVNR · pith_short_8: XM2VL6YC

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/XM2VL6YCTEWMCVNR44JDDVOW6Z \
  | 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: bb3555fb02992cc155b1e71231d5d6f64fe7cfd898b883b96aedb31b9a24d4c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d80b7960d754d40cfe4a26d5c551a743edd3efa3a41e7e149d8647f8e9ae95a3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-02-13T09:58:58Z",
    "title_canon_sha256": "c431a5b90e01d23d53a709af24fe0335e225d59bb566f82ae1b9a676d7da3bcd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.04824",
    "kind": "arxiv",
    "version": 1
  }
}