Pith Number

pith:LCM6KJV3

pith:2018:LCM6KJV3ZWOUA6Y6RIPOZMHQ46

not attested not anchored not stored refs pending

The Evolution of Dust Opacity in Core Collapse Supernovae and the Rapid Formation of Dust in Their Ejecta

Arkaprabha Sarangi, Eli Dwek, Richard. G. Arendt

arxiv:1812.08234 v1 · 2018-12-19 · astro-ph.SR · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LCM6KJV3ZWOUA6Y6RIPOZMHQ46}

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	2026-05-17T23:46:53.082223Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5899e526bbcd9d407b1e8a1eecb0f0e7b0090d070b1c4c334532c0ae0de4131e

Aliases

arxiv: 1812.08234 · arxiv_version: 1812.08234v1 · doi: 10.48550/arxiv.1812.08234 · pith_short_12: LCM6KJV3ZWOU · pith_short_16: LCM6KJV3ZWOUA6Y6 · pith_short_8: LCM6KJV3

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/LCM6KJV3ZWOUA6Y6RIPOZMHQ46 \
  | 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: 5899e526bbcd9d407b1e8a1eecb0f0e7b0090d070b1c4c334532c0ae0de4131e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bbf93051d0f5710a963f7198a0292f434be67304d009f7e28f4d2d58bf6b1cf2",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-12-19T20:41:09Z",
    "title_canon_sha256": "95e72dc7bb54f30df6a44293048369b3163389d37780887f671629d98845e854"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.08234",
    "kind": "arxiv",
    "version": 1
  }
}