Pith Number

pith:MVEYCYXC

pith:2019:MVEYCYXCF7XFO7PRMXLWXHOVQA

not attested not anchored not stored refs pending

A semi-implicit compressible model for atmospheric flows with seamless access to soundproof and hydrostatic dynamics

Rupert Klein, Tommaso Benacchio

arxiv:1903.06797 v1 · 2019-03-15 · math.NA · cs.NA · 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{MVEYCYXCF7XFO7PRMXLWXHOVQA}

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	2026-06-04T20:14:14.115821Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

65498162e22fee577df165d76b9dd580068520ab535b2c54e198fbaf590ed86c

Aliases

arxiv: 1903.06797 · arxiv_version: 1903.06797v1 · doi: 10.48550/arxiv.1903.06797 · pith_short_12: MVEYCYXCF7XF · pith_short_16: MVEYCYXCF7XFO7PR · pith_short_8: MVEYCYXC

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/MVEYCYXCF7XFO7PRMXLWXHOVQA \
  | 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: 65498162e22fee577df165d76b9dd580068520ab535b2c54e198fbaf590ed86c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "266480b4fb366738b89c6bf62c291a756ced8b2bb998c1b3ee1476cd55c1f4c0",
    "cross_cats_sorted": [
      "cs.NA",
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-03-15T20:44:33Z",
    "title_canon_sha256": "c2f2b10fa099e088dd8057d03b185d4fd7f4430fd68bfc84169452c2fe37c5c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.06797",
    "kind": "arxiv",
    "version": 1
  }
}