Pith Number

pith:OLUB2RUK

pith:2015:OLUB2RUKCP3UOAJS4IBU4WE44I

not attested not anchored not stored refs pending

Spectroscopic variability of two Oe stars

A. Fernando, A.F.J. Moffat, A. Hempelmann, Ba. Stober, Be. Stober, E.M. dos Santos, F. Alves, F. Marques Dias, G. Rauw, J.H. Knapen, J.H.M.M. Schmitt, J.N. Gonzalez-Perez, J. Ribeiro, J. Sanchez Gallego, K.-P. Schroeder, K. Vollmann, L.F. Gouveia Carreira, L. Schanne, M. Mittag, N.G. Correia Viegas, N. Reinecke, N. Romeo, O. Stahl, R. Fahed, R. Leadbeater, T. Bergmann, T. Eversberg, T. Hunger, T. Morel, W. Arnold, Y. Naze

arxiv:1501.01377 v1 · 2015-01-07 · 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{OLUB2RUKCP3UOAJS4IBU4WE44I}

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	2026-07-05T01:57:44.409861Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

72e81d468a13f7470132e2034e589ce20a6ed81591386101133c8a0fcf72c4c8

Aliases

arxiv: 1501.01377 · arxiv_version: 1501.01377v1 · doi: 10.48550/arxiv.1501.01377 · pith_short_12: OLUB2RUKCP3U · pith_short_16: OLUB2RUKCP3UOAJS · pith_short_8: OLUB2RUK

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/OLUB2RUKCP3UOAJS4IBU4WE44I \
  | 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: 72e81d468a13f7470132e2034e589ce20a6ed81591386101133c8a0fcf72c4c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc2c6f1194ca81aea62221ead3053564b72c86795d9c980390ab4003881f1a03",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-01-07T07:16:40Z",
    "title_canon_sha256": "9621fa8b7a758a2d248af0eed6e40d2ba568d6eb3766c9d550a343810b4fe1a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.01377",
    "kind": "arxiv",
    "version": 1
  }
}