Pith Number

pith:JFYYKQQJ

pith:2015:JFYYKQQJTRBEVLJNPQKZRWFM3L

not attested not anchored not stored refs pending

Two-fluid dust and gas mixtures in smoothed particle hydrodynamics II: an improved semi-implicit approach

Matthew R. Bate, Pablo Loren-Aguilar

arxiv:1509.08374 v1 · 2015-09-28 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JFYYKQQJTRBEVLJNPQKZRWFM3L}

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	2026-05-18T01:27:56.943187Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

49718542099c424aad2d7c1598d8acdaf78ca0fe7da3419ddab983fff698b082

Aliases

arxiv: 1509.08374 · arxiv_version: 1509.08374v1 · doi: 10.48550/arxiv.1509.08374 · pith_short_12: JFYYKQQJTRBE · pith_short_16: JFYYKQQJTRBEVLJN · pith_short_8: JFYYKQQJ

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/JFYYKQQJTRBEVLJNPQKZRWFM3L \
  | 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: 49718542099c424aad2d7c1598d8acdaf78ca0fe7da3419ddab983fff698b082

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "044a652a62113cedc330be41d3a9699a2390d869e14a69991fe6d4172936bea3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2015-09-28T15:57:42Z",
    "title_canon_sha256": "a9ddf8a844c50ea6bddbd79b11a8d9fd5a874179a21417284851f517805007c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.08374",
    "kind": "arxiv",
    "version": 1
  }
}