Pith Number

pith:7QMO4VRI

pith:2010:7QMO4VRIOLCG33KHR7WZGKAYDQ

not attested not anchored not stored refs pending

Discovery of a Luminous Blue Variable with an Ejection Nebula Near the Quintuplet Cluster

Angela S. Cotera, Cornelia C. Lang, Hui Dong, Ian S. Glass, Jon C. Mauerhan, Mark R. Morris, Q. Daniel Wang, Susan R. Stolovy

arxiv:1002.3379 v2 · 2010-02-17 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7QMO4VRIOLCG33KHR7WZGKAYDQ}

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	2026-05-18T02:08:59.983647Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc18ee562872c46ded478fed9328181c016bb47c85513e6371548ad5f86d1b56

Aliases

arxiv: 1002.3379 · arxiv_version: 1002.3379v2 · doi: 10.48550/arxiv.1002.3379 · pith_short_12: 7QMO4VRIOLCG · pith_short_16: 7QMO4VRIOLCG33KH · pith_short_8: 7QMO4VRI

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/7QMO4VRIOLCG33KHR7WZGKAYDQ \
  | 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: fc18ee562872c46ded478fed9328181c016bb47c85513e6371548ad5f86d1b56

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c89be35f1ec36bfc2722d28fb051c7f7f4e0140659fb4444d2789e3f812d8f8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-02-17T21:11:32Z",
    "title_canon_sha256": "74fa540108ed633fe87f37fd9ebbc220afd82b8f7d27066985f64e7d4e934eb9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.3379",
    "kind": "arxiv",
    "version": 2
  }
}