Pith Number

pith:2VDX6A2O

pith:2026:2VDX6A2OGT4ACL7K7RTPV46GH7

not attested not anchored not stored refs pending

Numerical Study of Dissipative Weak Solutions for the Euler Equations of Gas Dynamics

Alexander Kurganov, Changsheng Yu, Maria Lukacova-Medvidova, Michael Herty, Shaoshuai Chu

arxiv:2601.17452 v3 · 2026-01-24 · 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{2VDX6A2OGT4ACL7K7RTPV46GH7}

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	2026-06-08T01:05:06.377449Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5477f034e34f8012feafc66faf3c63ff11e266050dcdc609d5b4c2505d32629

Aliases

arxiv: 2601.17452 · arxiv_version: 2601.17452v3 · doi: 10.48550/arxiv.2601.17452 · pith_short_12: 2VDX6A2OGT4A · pith_short_16: 2VDX6A2OGT4ACL7K · pith_short_8: 2VDX6A2O

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/2VDX6A2OGT4ACL7K7RTPV46GH7 \
  | 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: d5477f034e34f8012feafc66faf3c63ff11e266050dcdc609d5b4c2505d32629

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ee777fc134540d916b78d4e9f147956054d2fb2b773874df63b28f7f4f42d65",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2026-01-24T13:04:16Z",
    "title_canon_sha256": "6061009a140e8b7083ba58aae88f96d2d5e80b382043ec7ae6a4639d8dd8698c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.17452",
    "kind": "arxiv",
    "version": 3
  }
}