Pith Number
pith:K3RPTH6F
pith:2015:K3RPTH6FJONU4EDDAL4DZ757TG
not attested
not anchored
not stored
refs pending
Time-dependent spectral-feature variations of stars displaying the B[e] phenomenon III. HD 50138
arxiv:1512.02506 v1 · 2015-12-08 · astro-ph.SR
Add to your LaTeX paper
\usepackage{pith}
\pithnumber{K3RPTH6FJONU4EDDAL4DZ757TG}
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
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claim
4
Citations
5
Replications
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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 | 2026-05-18T01:09:51.656518Z |
|---|---|
| Builder | pith-number-builder-2026-05-17-v1 |
| Signature | Pith Ed25519
(pith-v1-2026-05) · public key |
| Schema | pith-number/v1.0 |
Canonical hash
56e2f99fc54b9b4e106302f83cffbf99b8468f987ec8ce195a8ba73af440d120
Aliases
· · · · ·Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/K3RPTH6FJONU4EDDAL4DZ757TG \
| 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: 56e2f99fc54b9b4e106302f83cffbf99b8468f987ec8ce195a8ba73af440d120
Canonical record JSON
{
"metadata": {
"abstract_canon_sha256": "5de6bcf1407176cf64579acdba3fc72664ebeb18be512f3942317ad690425f8a",
"cross_cats_sorted": [],
"license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
"primary_cat": "astro-ph.SR",
"submitted_at": "2015-12-08T15:23:53Z",
"title_canon_sha256": "ec29955790e7849785978684b23349c10d216e166723ceae6efaa20a90070594"
},
"schema_version": "1.0",
"source": {
"id": "1512.02506",
"kind": "arxiv",
"version": 1
}
}