Pith Number

pith:R5BBORVU

pith:2009:R5BBORVUZTBPYVSBYV2TMNTMH7

not attested not anchored not stored refs pending

The ISO Long Wavelength Spectrometer line spectrum of VY Canis Majoris and other oxygen-rich evolved stars

E. T. Polehampton, F. F. S. van der Tak, G. J. White, K. M. Menten

arxiv:0912.1626 v1 · 2009-12-08 · astro-ph.SR · 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{R5BBORVUZTBPYVSBYV2TMNTMH7}

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	2026-05-18T02:10:25.473866Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f421746b4ccc2fc5641c57536366c3fe715f0717c46136fcb4f072ec0510b21

Aliases

arxiv: 0912.1626 · arxiv_version: 0912.1626v1 · doi: 10.48550/arxiv.0912.1626 · pith_short_12: R5BBORVUZTBP · pith_short_16: R5BBORVUZTBPYVSB · pith_short_8: R5BBORVU

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/R5BBORVUZTBPYVSBYV2TMNTMH7 \
  | 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: 8f421746b4ccc2fc5641c57536366c3fe715f0717c46136fcb4f072ec0510b21

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "68636ab7e2474fee2b8f42cadd9943ce901780ba81c5f30f0757c24f2217e7f4",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-12-08T22:55:01Z",
    "title_canon_sha256": "d3380e1b32cc957c9d9c6f9d292149609565c869a63aaa2dd7b7406e9e9d7d3e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.1626",
    "kind": "arxiv",
    "version": 1
  }
}