Pith Number

pith:HJFM4P3C

pith:2014:HJFM4P3C4UWYDBH5ZOEUGNFEH3

not attested not anchored not stored refs pending

Confirmation of the Luminous Blue Variable status of MWC 930

A. P. LaCluyze, A. S. Miroshnichenko, D. E. Reichart, E. A. Laag, H. Levato, J. A. Juarez Jimenez, J. B. Haislip, J. H. Groh, J. Zsargo, K. B. Crawford, K. M. Ivarsen, M. C. Nysewander, M. Grosso, N. Manset, R. C. Puetter, R. J. Rudy, S. V. Zharikov

arxiv:1404.1121 v1 · 2014-04-04 · 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{HJFM4P3C4UWYDBH5ZOEUGNFEH3}

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	2026-05-18T02:54:54.152801Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a4ace3f62e52d8184fdcb894334a43ef308140014eb1eee93d253d94f828dfe

Aliases

arxiv: 1404.1121 · arxiv_version: 1404.1121v1 · doi: 10.48550/arxiv.1404.1121 · pith_short_12: HJFM4P3C4UWY · pith_short_16: HJFM4P3C4UWYDBH5 · pith_short_8: HJFM4P3C

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/HJFM4P3C4UWYDBH5ZOEUGNFEH3 \
  | 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: 3a4ace3f62e52d8184fdcb894334a43ef308140014eb1eee93d253d94f828dfe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "470ec2ca5527fd9fa9682c86821d32ade25016a8f72e0e50f3770bc04ec283a8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-04-04T00:34:12Z",
    "title_canon_sha256": "5ed70d23eafbfe61778d1e03c62a3c708f95fdd41316abfae674b85978fd23db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.1121",
    "kind": "arxiv",
    "version": 1
  }
}