Pith Number

pith:OYMQDI7L

pith:2021:OYMQDI7LTIGORKVYAVSTIDNND4

not attested not anchored not stored refs pending

A flux-vector splitting scheme for the shallow water equations extended to high-order on unstructured meshes

A. Siviglia, C. Castro, D. Vanzo, E. F. Toro

arxiv:2112.06902 v1 · 2021-12-13 · 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{OYMQDI7LTIGORKVYAVSTIDNND4}

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	2026-07-05T04:57:02.398712Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

761901a3eb9a0ce8aab80565340dad1f136270e83d54454e04530745437dd7ac

Aliases

arxiv: 2112.06902 · arxiv_version: 2112.06902v1 · doi: 10.48550/arxiv.2112.06902 · pith_short_12: OYMQDI7LTIGO · pith_short_16: OYMQDI7LTIGORKVY · pith_short_8: OYMQDI7L

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/OYMQDI7LTIGORKVYAVSTIDNND4 \
  | 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: 761901a3eb9a0ce8aab80565340dad1f136270e83d54454e04530745437dd7ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f695c422d70bf4aadfc340261a7da95403289b34e4c92c0ec892848de73b76e",
    "cross_cats_sorted": [
      "cs.NA",
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2021-12-13T18:56:29Z",
    "title_canon_sha256": "c5cfec3e4d522f1b81409cf24003d8a3ac5899cae0132bc8d9527820c13ca4bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.06902",
    "kind": "arxiv",
    "version": 1
  }
}