Pith Number

pith:PZ4WW5JA

pith:2016:PZ4WW5JA2BSPUANEMPXSILBADE

not attested not anchored not stored refs pending

A comparison of SPH artificial viscosities and their impact on the Keplerian disk

Junichiro Makino, Natsuki Hosono, Takayuki R. Saitoh

arxiv:1601.05903 v2 · 2016-01-22 · astro-ph.IM · astro-ph.EP · 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{PZ4WW5JA2BSPUANEMPXSILBADE}

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	2026-05-18T01:12:30.122755Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e796b7520d064fa01a463ef242c201939e0684c2dd8633785023f7650b0b7b3

Aliases

arxiv: 1601.05903 · arxiv_version: 1601.05903v2 · doi: 10.48550/arxiv.1601.05903 · pith_short_12: PZ4WW5JA2BSP · pith_short_16: PZ4WW5JA2BSPUANE · pith_short_8: PZ4WW5JA

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/PZ4WW5JA2BSPUANEMPXSILBADE \
  | 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: 7e796b7520d064fa01a463ef242c201939e0684c2dd8633785023f7650b0b7b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "00d456ce4447eba31344409d97f09a956ebae604efd86e00b9bd5d9f2266545b",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2016-01-22T08:05:39Z",
    "title_canon_sha256": "130933b96601ec559142db81d52f9b0a5a0e909d6ffc15b71c562983f9df9082"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.05903",
    "kind": "arxiv",
    "version": 2
  }
}