Pith Number

pith:BCEAO45B

pith:2011:BCEAO45BC23JA5LD5MYKOKY7FT

not attested not anchored not stored refs pending

Spectroscopy and Interferometry of Luminous Blue Variables

D. R. Gies, G. Schaefer, J. D. Monnier, J. R. Parks, N. D. Morrison, N. D. Richardson, T. ten Brummelaar

arxiv:1109.6905 v1 · 2011-09-30 · 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{BCEAO45BC23JA5LD5MYKOKY7FT}

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	2026-05-18T04:11:52.233877Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

08880773a116b6907563eb30a72b1f2ceee4f5a9a513a401c4b2d684d7013deb

Aliases

arxiv: 1109.6905 · arxiv_version: 1109.6905v1 · doi: 10.48550/arxiv.1109.6905 · pith_short_12: BCEAO45BC23J · pith_short_16: BCEAO45BC23JA5LD · pith_short_8: BCEAO45B

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/BCEAO45BC23JA5LD5MYKOKY7FT \
  | 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: 08880773a116b6907563eb30a72b1f2ceee4f5a9a513a401c4b2d684d7013deb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a71e9e814863040e36b1440f3cdf77794314f3da6dbc65fbdba7be22a876ac3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-09-30T17:23:52Z",
    "title_canon_sha256": "fb42c91b00fc04c20ade9353a29f0d4f2846fb92177f543474f82077a9dfcba2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.6905",
    "kind": "arxiv",
    "version": 1
  }
}