Pith Number

pith:MQNPXDRQ

pith:2018:MQNPXDRQTBEZUTYDSRMGJARLJ3

not attested not anchored not stored refs pending

A diffuse-interface model for smoothed particle hydrodynamics

Alexandre Tartakovsky, Paul Meakin, Zhijie Xu

arxiv:1808.00900 v1 · 2018-08-02 · physics.comp-ph · physics.flu-dyn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MQNPXDRQTBEZUTYDSRMGJARLJ3}

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	2026-05-18T00:09:01.073526Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

641afb8e3098499a4f03945864822b4ef678801a0577d123b303364f94fcbe3c

Aliases

arxiv: 1808.00900 · arxiv_version: 1808.00900v1 · doi: 10.48550/arxiv.1808.00900 · pith_short_12: MQNPXDRQTBEZ · pith_short_16: MQNPXDRQTBEZUTYD · pith_short_8: MQNPXDRQ

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/MQNPXDRQTBEZUTYDSRMGJARLJ3 \
  | 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: 641afb8e3098499a4f03945864822b4ef678801a0577d123b303364f94fcbe3c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4cb911c36554e0197719faf92751bc6995c0a45bce685798cacd61335e390db4",
    "cross_cats_sorted": [
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2018-08-02T16:41:48Z",
    "title_canon_sha256": "64b5746db6bf8230629225821825ade4cc1bad6b40e5acaea88e46959fc12d95"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.00900",
    "kind": "arxiv",
    "version": 1
  }
}