Pith Number

pith:XVPK4YUN

pith:2013:XVPK4YUNFA5DPGAPPZ7NFLTZZN

not attested not anchored not stored refs pending

Herschel SPIRE and PACS observations of the red supergiant VY CMa: analysis of the molecular line spectra

2), (2) Rutherford Appleton Laboratory, (3) Katholieke Universiteit Leuven, (4) INTA-CSIC, 5), (5) European Southern Observatory, 6), (7) Royal Observatory of Belgium, Belgium, Belgium), B. M. Swinyard (1, Canada, Chile (6) University of Lethbridge, E.T. Polehampton (2, G.C. Van de Steene (7), J.A.D.L. Blommaert (3), J. A. Yates (1), J. Cernicharo (4), L. Decin (3), M.A.T. Groenewegen (7), Mikako Matsuura (1), M. J. Barlow (1), P.A.M. van Hoof (7) ((1) University College London, P. Royer (3), R. Wesson (1, Spain, UK

arxiv:1310.2947 v1 · 2013-10-10 · astro-ph.GA · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XVPK4YUNFA5DPGAPPZ7NFLTZZN}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:47:06.785283Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd5eae628d283a37980f7e7ed2ae79cb5da2199523dba83bbde0657443bd6aaa

Aliases

arxiv: 1310.2947 · arxiv_version: 1310.2947v1 · doi: 10.48550/arxiv.1310.2947 · pith_short_12: XVPK4YUNFA5D · pith_short_16: XVPK4YUNFA5DPGAP · pith_short_8: XVPK4YUN

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/XVPK4YUNFA5DPGAPPZ7NFLTZZN \
  | 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: bd5eae628d283a37980f7e7ed2ae79cb5da2199523dba83bbde0657443bd6aaa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4658f33159af8da61d7031131632b0541342d0dbefed40f093b806d4d2ddd20e",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-10-10T20:00:25Z",
    "title_canon_sha256": "8b32bde2ea644277592d98ea982d5913163ddd9caee3fd0492c1660b3cd1fc63"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.2947",
    "kind": "arxiv",
    "version": 1
  }
}