Pith Number

pith:2J7JHYVP

pith:2018:2J7JHYVPC4OLZK2ZC3Z7UZ4A2V

not attested not anchored not stored refs pending

ALMA CO Observations of Supernova Remnant N63A in the Large Magellanic Cloud: Discovery of Dense Molecular Clouds Embedded within Shock-Ionized and Photoionized Nebulae

A. Kawamura, G. Rowell, H. Matsumura, H. Sano, H. Yamamoto, K. Fujii, K. Tachihara, K. Tokuda, K. Tsuge, M. D. Filipovic, M. Sasaki, N. Maxted, N. Mizuno, R. Z. E. Alsaberi, S. Inutsuka, S. Yoshiike, T. Inoue, T. Minamidani, T. Nagaya, T. Onishi, Y. Fukui, Y. Yamane

arxiv:1809.02481 v4 · 2018-09-07 · astro-ph.GA · 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{2J7JHYVPC4OLZK2ZC3Z7UZ4A2V}

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	2026-05-17T23:52:05.257306Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d27e93e2af171cbcab5916f3fa6780d57bd20622e6f297390f3dd5d615b4e07a

Aliases

arxiv: 1809.02481 · arxiv_version: 1809.02481v4 · doi: 10.48550/arxiv.1809.02481 · pith_short_12: 2J7JHYVPC4OL · pith_short_16: 2J7JHYVPC4OLZK2Z · pith_short_8: 2J7JHYVP

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/2J7JHYVPC4OLZK2ZC3Z7UZ4A2V \
  | 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: d27e93e2af171cbcab5916f3fa6780d57bd20622e6f297390f3dd5d615b4e07a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9637f4de03da7587d6a997eaf3b0319c9f1b03640ff8911ba713ac2d4f69dec2",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-09-07T13:58:08Z",
    "title_canon_sha256": "964918b2b7c829df3172f1ecf1a853bc0ff8770b289c8d61a8cfa350f3e86dcf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.02481",
    "kind": "arxiv",
    "version": 4
  }
}