Pith Number

pith:7UGOGIDH

pith:2025:7UGOGIDHKDMHJ55R7LLEJZU6FK

not attested not anchored not stored refs pending

Tracing the ejecta structure of SN 1987A: Insights and diagnostics from 3D MHD simulations

B. Giudici, E. Greco, F. Bocchino, G. La Malfa, J. Weng, M.-A. Aloy, M. Gabler, M. Miceli, M. Obergaulinger, M. Ono, O. Petruk, R. Giuffrida, S.-H. Lee, S. Nagataki, S. Orlando, S. Ustamujic, V. Sapienza

arxiv:2504.19896 v1 · 2025-04-28 · astro-ph.HE · 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{7UGOGIDHKDMHJ55R7LLEJZU6FK}

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.

Cited by

1 paper in Pith

Chandra X-Ray Imaging and Spatially Resolved Spectroscopy of SN 1987A: Energy-Dependent Morphology of the Equatorial Ring

Receipt and verification

First computed	2026-07-05T11:37:19.010308Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd0ce3206750d874f7b1fad644e69e2ab2ca462f215090c6e4fde311c410c0b4

Aliases

arxiv: 2504.19896 · arxiv_version: 2504.19896v1 · doi: 10.48550/arxiv.2504.19896 · pith_short_12: 7UGOGIDHKDMH · pith_short_16: 7UGOGIDHKDMHJ55R · pith_short_8: 7UGOGIDH

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/7UGOGIDHKDMHJ55R7LLEJZU6FK \
  | 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: fd0ce3206750d874f7b1fad644e69e2ab2ca462f215090c6e4fde311c410c0b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c0d93f1a9ec05a46a34e6639dcd5756f2bb13bac65aa50cc1900b18efe4b563",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2025-04-28T15:28:40Z",
    "title_canon_sha256": "8b7f38e1afdf84a5e732d0e4f43d26f04cffddd62048b7dad89fc3763029a342"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.19896",
    "kind": "arxiv",
    "version": 1
  }
}