Pith Number

pith:NKQF5N4W

pith:2022:NKQF5N4WMMB7EFKN7MH5QUF7B7

not attested not anchored not stored refs pending

The Cartesian Grid Active Flux Method with Adaptive Mesh Refinement

Christiane Helzel, Donna Calhoun, Erik Chudzik

arxiv:2205.07572 v2 · 2022-05-16 · 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{NKQF5N4WMMB7EFKN7MH5QUF7B7}

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.

Cited by

1 paper in Pith

Exact Finite-Horizon Memory, Conditioning, and Dissipative Decay in Coarse Upwind Finite-Volume Prediction

Receipt and verification

First computed	2026-07-05T04:29:33.791226Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6aa05eb7966303f2154dfb0fd850bf0fced4fbbb35327be9c38dc5a0f2c47745

Aliases

arxiv: 2205.07572 · arxiv_version: 2205.07572v2 · doi: 10.48550/arxiv.2205.07572 · pith_short_12: NKQF5N4WMMB7 · pith_short_16: NKQF5N4WMMB7EFKN · pith_short_8: NKQF5N4W

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/NKQF5N4WMMB7EFKN7MH5QUF7B7 \
  | 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: 6aa05eb7966303f2154dfb0fd850bf0fced4fbbb35327be9c38dc5a0f2c47745

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4320deae510e19c1c50712f69da6971d37756a4a92f313b0d7869b58f4da9fb",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2022-05-16T11:07:41Z",
    "title_canon_sha256": "e447f4d4f5e2cbd5e9352f65e733c179bd1fc0c7f7a3820392c3a7a4cfa8aba7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2205.07572",
    "kind": "arxiv",
    "version": 2
  }
}