Pith Number

pith:EP5FFBLT

pith:2012:EP5FFBLTEPJ4GJCIXPB7ZN7XAA

not attested not anchored not stored refs pending

Effective viscosity from cloud-cloud collisions in three-dimensional global SPH simulations

David J. Williamson, Rob J. Thacker

arxiv:1201.2152 v1 · 2012-01-10 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EP5FFBLTEPJ4GJCIXPB7ZN7XAA}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:58:53.193096Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23fa52857323d3c32448bbc3fcb7f7003ecdb8aaf198bbbd6b0999956a52adbd

Aliases

arxiv: 1201.2152 · arxiv_version: 1201.2152v1 · doi: 10.48550/arxiv.1201.2152 · pith_short_12: EP5FFBLTEPJ4 · pith_short_16: EP5FFBLTEPJ4GJCI · pith_short_8: EP5FFBLT

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/EP5FFBLTEPJ4GJCIXPB7ZN7XAA \
  | 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: 23fa52857323d3c32448bbc3fcb7f7003ecdb8aaf198bbbd6b0999956a52adbd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99448cf0d260c953463fc2fc7be0b1152060d0a57b9bb33330111a3bbe009f53",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-01-10T20:05:10Z",
    "title_canon_sha256": "d79e46feffa227252ab5d9fa6f22c0dbce5d2173f8cb426b1230c9f4cface7de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.2152",
    "kind": "arxiv",
    "version": 1
  }
}