Pith Number

pith:3MHWA5JL

pith:2019:3MHWA5JLI7ZFAOIWMETSNZ4KVJ

not attested not anchored not stored refs pending

Catastrophic Cooling in Superwinds: Line Emission and Non-equilibrium Ionization

Evan Scannapieco, M. S. Oey, Sergiy Silich, William J Gray

arxiv:1910.12882 v1 · 2019-10-28 · 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{3MHWA5JLI7ZFAOIWMETSNZ4KVJ}

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	2026-07-05T00:31:27.609485Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db0f60752b47f2503916612726e78aaa4e31360d29751627c44da5722d789bfc

Aliases

arxiv: 1910.12882 · arxiv_version: 1910.12882v1 · doi: 10.48550/arxiv.1910.12882 · pith_short_12: 3MHWA5JLI7ZF · pith_short_16: 3MHWA5JLI7ZFAOIW · pith_short_8: 3MHWA5JL

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/3MHWA5JLI7ZFAOIWMETSNZ4KVJ \
  | 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: db0f60752b47f2503916612726e78aaa4e31360d29751627c44da5722d789bfc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7307ba1497de17cbfe3d2a586a3e7273332a9bd4c534ef1580a776d01a6b2d00",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-10-28T18:00:04Z",
    "title_canon_sha256": "600217dda2b8583938b0a72aa2eab6bc03e0e85a8ea287f4cd49d95555ae6bab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.12882",
    "kind": "arxiv",
    "version": 1
  }
}