Pith Number

pith:IL4J3BDS

pith:2026:IL4J3BDSW47E6HTH6KSJ6FPQLS

not attested not anchored not stored refs pending

A novel compact scheme for second-order fluxes applied to the Spectral Difference method

Guido Lodato, Niccol\`o Tonicello

arxiv:2608.09615 v1 · 2026-08-10 · math.NA · cs.NA · 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{IL4J3BDSW47E6HTH6KSJ6FPQLS}

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	2026-08-11T02:24:37.290275Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

42f89d8472b73e4f1e67f2a49f15f05cbbf2a270b49f22cf93bce3a9edeadd07

Aliases

arxiv: 2608.09615 · arxiv_version: 2608.09615v1 · doi: 10.48550/arxiv.2608.09615 · pith_short_12: IL4J3BDSW47E · pith_short_16: IL4J3BDSW47E6HTH · pith_short_8: IL4J3BDS

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/IL4J3BDSW47E6HTH6KSJ6FPQLS \
  | 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: 42f89d8472b73e4f1e67f2a49f15f05cbbf2a270b49f22cf93bce3a9edeadd07

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d46990a14f448436c2e6f6c31ca5b35de0b6c1fb1579055cc1d8dcd19cbafec5",
    "cross_cats_sorted": [
      "cs.NA",
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2026-08-10T13:55:35Z",
    "title_canon_sha256": "ddedb25c181bb42e641a8e8f594a7abd4479af353f5a2eddfc6c3dae038ba166"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.09615",
    "kind": "arxiv",
    "version": 1
  }
}