Pith Number

pith:WYBLAUPW

pith:2010:WYBLAUPWSPEEGLMMSOKHNPFRWU

not attested not anchored not stored refs pending

Long-term Spectroscopic Monitoring of LBVs and LBV Candidates

(2) Max Planck Institute for Radio Astronomy, (3) Katholieke Universiteit Leuven), A. Lobel (1), J. H. Groh (2), K. Torres (1), N. Gorlova (3) ((1) Royal Observatory of Belgium

arxiv:1012.5211 v1 · 2010-12-23 · 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{WYBLAUPWSPEEGLMMSOKHNPFRWU}

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	2026-05-18T02:04:18.113090Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b602b051f693c8432d8c939476bcb1b51c6e40c0396ddf594fc766f6fef344de

Aliases

arxiv: 1012.5211 · arxiv_version: 1012.5211v1 · doi: 10.48550/arxiv.1012.5211 · pith_short_12: WYBLAUPWSPEE · pith_short_16: WYBLAUPWSPEEGLMM · pith_short_8: WYBLAUPW

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/WYBLAUPWSPEEGLMMSOKHNPFRWU \
  | 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: b602b051f693c8432d8c939476bcb1b51c6e40c0396ddf594fc766f6fef344de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e6b9537e47c51ea0c474981d21b4621f3f78bebdb24e10a36b3660d09a00c146",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-12-23T14:24:27Z",
    "title_canon_sha256": "06b8e7d9812afccc509a1a113cca1aaeb5b448903354b3321b111634605ea359"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.5211",
    "kind": "arxiv",
    "version": 1
  }
}