Pith Number

pith:FIVH2JMX

pith:2010:FIVH2JMX5HUTQK2QJPHXVD7JCM

not attested not anchored not stored refs pending

Smoothed Particle Hydrodynamics

Peter J. Cossins

arxiv:1007.1245 v2 · 2010-07-07 · astro-ph.IM · math-ph · math.MP · physics.comp-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FIVH2JMX5HUTQK2QJPHXVD7JCM}

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.

Cited by

1 paper in Pith

Minimising the numerical viscosity in Smoothed Particle Hydrodynamics simulations of discs

Receipt and verification

First computed	2026-05-18T04:39:59.137644Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a2a7d2597e9e9382b504bcf7a8fe9130e9be94632644f84739d9e0429eaeeba

Aliases

arxiv: 1007.1245 · arxiv_version: 1007.1245v2 · doi: 10.48550/arxiv.1007.1245 · pith_short_12: FIVH2JMX5HUT · pith_short_16: FIVH2JMX5HUTQK2Q · pith_short_8: FIVH2JMX

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/FIVH2JMX5HUTQK2QJPHXVD7JCM \
  | 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: 2a2a7d2597e9e9382b504bcf7a8fe9130e9be94632644f84739d9e0429eaeeba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7bf4a7b3a09adee3069c02b364c89a5c4a6506629064c93f2951854b9091420b",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP",
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2010-07-07T20:46:46Z",
    "title_canon_sha256": "25d1ff247fbda6a411e5e7d772b5447130c0ad04bcdbc1981b679719febdafb3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1007.1245",
    "kind": "arxiv",
    "version": 2
  }
}