Pith Number

pith:B4DCJXWM

pith:2014:B4DCJXWMPS7RA4W5JBT3X76VVO

not attested not anchored not stored refs pending

Spectral and morphological analysis of the remnant of Supernova 1987A with ALMA & ATCA

Bryan M. Gaensler (CAASTRO, CAASTRO), Claes Fransson (U Stockholm), C.-Y. Ng (HKU), DIPC), George Sonneborn (NASA/GSFC), Giovanna Zanardo (ICRAR/UWA), Ivan Marti-Vidal (U Chalmers, Jacco Th. van Loon (U Keele), Jason Spyromilio (ESO), JHU), Jon M. Marcaide (U Valencia, Julia R. Kamenetzky (U Arizona), Lister Staveley-Smith (ICRAR/UWA, Maarten Baes (U Ghent), Margaret Meixner (STScI, Masha Lakicevic (U Keele), Michael J. Barlow (UCL), Mikako Matsuura (UCL), NRAO), OSO), Peter Lundqvist (U Stockholm), Remy Indebetouw (UVA, Richard N. Manchester (CSIRO/CASS), Roger A. Chevalier (UVa), Sangwook Park (UT Arlington), SIfA)

arxiv:1409.7811 v2 · 2014-09-27 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B4DCJXWMPS7RA4W5JBT3X76VVO}

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	2026-05-18T02:38:28.239991Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f0624decc7cbf1072dd4867bbffd5aba435308cde5fd1d3d93b6085f5a5c83a

Aliases

arxiv: 1409.7811 · arxiv_version: 1409.7811v2 · doi: 10.48550/arxiv.1409.7811 · pith_short_12: B4DCJXWMPS7R · pith_short_16: B4DCJXWMPS7RA4W5 · pith_short_8: B4DCJXWM

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/B4DCJXWMPS7RA4W5JBT3X76VVO \
  | 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: 0f0624decc7cbf1072dd4867bbffd5aba435308cde5fd1d3d93b6085f5a5c83a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6a3f0529962c46b30394b51a57738a5847d152b1eb09959dc1bbaf9bc42b46a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2014-09-27T14:06:52Z",
    "title_canon_sha256": "1966ab30bdb05bdebcafdc0fa55f9cb1ba1010600c80eca5ecd0742b4ee1d15f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.7811",
    "kind": "arxiv",
    "version": 2
  }
}