Pith Number

pith:6GDFVBWP

pith:2018:6GDFVBWPY3L5UQFBFBV5Y5O356

not attested not anchored not stored refs pending

A second order positivity preserving well-balanced finite volume scheme for Euler equations with gravity for arbitrary hydrostatic equilibria

Andrea Thomann, Christian Klingenberg, Markus Zenk

arxiv:1804.09965 v1 · 2018-04-26 · math.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{6GDFVBWPY3L5UQFBFBV5Y5O356}

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	2026-05-17T23:58:48.063260Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f1865a86cfc6d7da40a1286bdc75dbef80adf1b4f0f03184ed004f3f30d0aa0b

Aliases

arxiv: 1804.09965 · arxiv_version: 1804.09965v1 · doi: 10.48550/arxiv.1804.09965 · pith_short_12: 6GDFVBWPY3L5 · pith_short_16: 6GDFVBWPY3L5UQFB · pith_short_8: 6GDFVBWP

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/6GDFVBWPY3L5UQFBFBV5Y5O356 \
  | 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: f1865a86cfc6d7da40a1286bdc75dbef80adf1b4f0f03184ed004f3f30d0aa0b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f5565addbcb9a0831665c303fb81f124d7ea7b810e5ad6572020f4ba3d81a2d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-04-26T09:57:30Z",
    "title_canon_sha256": "fc9f86a0354a976d14245eaa1fbcf4ded35085e5a0d4d97837a1bdf2dea325ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.09965",
    "kind": "arxiv",
    "version": 1
  }
}