Pith Number

pith:R4UTJI3W

pith:2019:R4UTJI3WIXA3XWSFAJD5HX6HBP

not attested not anchored not stored refs pending

A high performance and portable all-Mach regime flow solver code with well-balanced gravity. Application to compressible convection

E. Audit, P. Kestener, P. Tremblin, S. Kokh, T. Padioleau

arxiv:1903.09043 v1 · 2019-03-21 · physics.comp-ph · astro-ph.EP · astro-ph.SR

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

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	2026-05-17T23:47:25.124769Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f2934a37645c1bbda450247d3dfc70bec35ed2cc31fc9e78460d64d6baa5ae0

Aliases

arxiv: 1903.09043 · arxiv_version: 1903.09043v1 · doi: 10.48550/arxiv.1903.09043 · pith_short_12: R4UTJI3WIXA3 · pith_short_16: R4UTJI3WIXA3XWSF · pith_short_8: R4UTJI3W

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/R4UTJI3WIXA3XWSFAJD5HX6HBP \
  | 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: 8f2934a37645c1bbda450247d3dfc70bec35ed2cc31fc9e78460d64d6baa5ae0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4dae45964a81e5cb808aada2801ce05914b5782f3d368f9975fbd8d1256c092a",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2019-03-21T15:10:19Z",
    "title_canon_sha256": "233c2467609d22f73665be58d370823d5e47d835b500b7caabd45c76b6447958"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.09043",
    "kind": "arxiv",
    "version": 1
  }
}