Pith Number

pith:2LJOMTBB

pith:2026:2LJOMTBBDMBVFVNZIFOTKTK4NM

not attested not anchored not stored refs pending

A global mass-preserving numerical method for low-Mach-number real-gas flows in closed systems

Gon\c{c}alo Alcobia, Pedro Costa, Pietro Carlo Boldini, Rene Pecnik, Sanath Kotturshettar

arxiv:2607.29224 v1 · 2026-07-31 · physics.flu-dyn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2LJOMTBBDMBVFVNZIFOTKTK4NM}

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	2026-08-03T01:22:05.650646Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2d2e64c211b0352d5b9415d354d5c6b0d26be9243901e192aa050ec5ad863e4

Aliases

arxiv: 2607.29224 · arxiv_version: 2607.29224v1 · doi: 10.48550/arxiv.2607.29224 · pith_short_12: 2LJOMTBBDMBV · pith_short_16: 2LJOMTBBDMBVFVNZ · pith_short_8: 2LJOMTBB

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/2LJOMTBBDMBVFVNZIFOTKTK4NM \
  | 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: d2d2e64c211b0352d5b9415d354d5c6b0d26be9243901e192aa050ec5ad863e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "78fbac27dfe3902293b1384af8d20c7713844e450218a274e232ae41975beb6f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2026-07-31T09:55:17Z",
    "title_canon_sha256": "098d26c515f88517449975afcfaf61ef747e7b978dc1c80553a12dd4cb447580"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.29224",
    "kind": "arxiv",
    "version": 1
  }
}