Pith Number

pith:PFVMC736

pith:2022:PFVMC736XZS57O42F75TII2D7Y

not attested not anchored not stored refs pending

A Comparative Study of Iterative Riemann Solvers for the Shallow Water and Euler Equations

Carlos Mu\~noz Moncayo, David I. Ketcheson, Manuel Quezada de Luna

arxiv:2209.12235 v2 · 2022-09-25 · 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{PFVMC736XZS57O42F75TII2D7Y}

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	2026-07-05T07:47:40.275918Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

796ac17f7ebe65dfbb9a2ffb342343fe2aa12b950b2c65a083cf973430b84417

Aliases

arxiv: 2209.12235 · arxiv_version: 2209.12235v2 · doi: 10.48550/arxiv.2209.12235 · pith_short_12: PFVMC736XZS5 · pith_short_16: PFVMC736XZS57O42 · pith_short_8: PFVMC736

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/PFVMC736XZS57O42F75TII2D7Y \
  | 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: 796ac17f7ebe65dfbb9a2ffb342343fe2aa12b950b2c65a083cf973430b84417

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75dae2c20ac6cd548677014e34d9666a63b7e4d7006cb039a941f5bce34b3c69",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2022-09-25T14:45:09Z",
    "title_canon_sha256": "bfb8c0e6ccc937133b3c9f6989e65dc02b88119b531c4a75f7a7b0e1699c9890"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2209.12235",
    "kind": "arxiv",
    "version": 2
  }
}