Pith Number

pith:CS7D3UWC

pith:2014:CS7D3UWC67LHAGH5M67TP7AQUY

not attested not anchored not stored refs pending

A stubbornly large mass of cold dust in the ejecta of Supernova 1987A

(10) Stockholm University, (11) Cardiff University, (12) Koninklijke Sterrenwacht van Belgie, (13) University of Virginia, 14), (14) National Radio Astronomy Observatory, 15), (15) ESO Garching, (16) Queen's University Belfast, (17) Saclay, 18) P.A.M. van Hoof (12), (18) Rutherford Appleton Laboratory, (19) Katholieke Universiteit Leuven, (20) University of Western Australia, 21), (21) CAASTRO, (22) Keele University, 23), (23) Kapteyn Astronomical Institute, (24) European Southern Observatory, 25), (26) NASA/Ames Research Center), (2) NASA Goddard Space Flight Center, (3) University of Wisconsin, (4) Universiteit Gent, (5) Space Telescope Science Institute, (6) CSIC-INTA, (7) Louisiana State University, (8) University of Canterbury, 9), (9) Institute for Astronomy, A. Jerkstrand (16), B. Babler (3), B.M. Swinyard (1, C. Fransson (10), C.P. Pearson (18), E. Dwek (2), Geoff C. Clayton (7), George Sonneborn (2), Giovanna Zanardo (20), Griet C. Van de Steene (12), H. L. Gomez (11), Jacopo Fritz (4), Jeremy A. Yates (1) ((1) UCL, Joris A.D.L. Blommaert (19, Joris Verstappen (4, Jose Cernicharo (6), J Roman-Duval (5), J.Th. van Loon (22), L. Dunne (8, Leen Decin (19), Lister Staveley-Smith (20, M.A.T. Groenewegen (12), M. Baes (4), M. J. Barlow (1), M. Matsuura (1), M. Meixner (5), P. Lundqvist (10), P. Royer (19), R. Indebetouw (13, R.J. Ivison (14, Roger Wesson (24), Santiago (25) Vrije Universiteit Brussel, T. L. Lim (18), University of Edinburgh, V. Lebouteiller (17), Walter Gear (11), W.T. Reach (26)

arxiv:1411.7381 v1 · 2014-11-26 · 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{CS7D3UWC67LHAGH5M67TP7AQUY}

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	2026-05-18T01:41:25.546186Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

14be3dd2c2f7d67018fd67bf37fc10a6390e237901911999df96ccc56f190086

Aliases

arxiv: 1411.7381 · arxiv_version: 1411.7381v1 · doi: 10.48550/arxiv.1411.7381 · pith_short_12: CS7D3UWC67LH · pith_short_16: CS7D3UWC67LHAGH5 · pith_short_8: CS7D3UWC

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/CS7D3UWC67LHAGH5M67TP7AQUY \
  | 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: 14be3dd2c2f7d67018fd67bf37fc10a6390e237901911999df96ccc56f190086

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37187696844f8d34b8a9ff4b1e8b058d767d87535955e22dfe2f5e358071d15e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-11-26T21:00:05Z",
    "title_canon_sha256": "915a86fbf50f67d965f9f8e0cce5551f1df02ede27c085de72be6348b3acc660"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.7381",
    "kind": "arxiv",
    "version": 1
  }
}