Pith Number

pith:PY4VACKC

pith:2025:PY4VACKCWSGRHWJGB3ZEQRHPA7

not attested not anchored not stored refs pending

Entropy-stable in- and outflow boundary conditions for the compressible Navier-Stokes equations

Anita Gjesteland, Magnus Sv\"ard

arxiv:2506.21065 v1 · 2025-06-26 · math.NA · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PY4VACKCWSGRHWJGB3ZEQRHPA7}

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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

Entropy stable finite difference methods via entropy correction artificial viscosity and knapsack limiting

Receipt and verification

First computed	2026-07-05T11:27:39.443285Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e39500942b48d13d9260ef24844ef07e6e386755a680a285ed65da7fb39d7f3

Aliases

arxiv: 2506.21065 · arxiv_version: 2506.21065v1 · doi: 10.48550/arxiv.2506.21065 · pith_short_12: PY4VACKCWSGR · pith_short_16: PY4VACKCWSGRHWJG · pith_short_8: PY4VACKC

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/PY4VACKCWSGRHWJGB3ZEQRHPA7 \
  | 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: 7e39500942b48d13d9260ef24844ef07e6e386755a680a285ed65da7fb39d7f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f49fb89c6122a95290de8b9c0616d116138fec2ca1b1522087149e524e6efc1",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2025-06-26T07:34:21Z",
    "title_canon_sha256": "f47c912de832f9211bd87fd2a9102eb20964400ffce67a2b47ac5e5694091edd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.21065",
    "kind": "arxiv",
    "version": 1
  }
}