Pith Number

pith:MGRD5BPO

pith:2021:MGRD5BPOX5DLQBPZVWVXK4R2PK

not attested not anchored not stored refs pending

Entropy stable discontinuous Galerkin methods for the shallow water equations with subcell positivity preservation

Jesse Chan, Nathaniel Trask, Xinhui Wu

arxiv:2112.07749 v1 · 2021-12-14 · 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{MGRD5BPOX5DLQBPZVWVXK4R2PK}

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	2026-07-05T03:41:05.989519Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

61a23e85eebf46b805f9adab75723a7aa79a03c391188b6527b1060d87f907e0

Aliases

arxiv: 2112.07749 · arxiv_version: 2112.07749v1 · doi: 10.48550/arxiv.2112.07749 · pith_short_12: MGRD5BPOX5DL · pith_short_16: MGRD5BPOX5DLQBPZ · pith_short_8: MGRD5BPO

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/MGRD5BPOX5DLQBPZVWVXK4R2PK \
  | 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: 61a23e85eebf46b805f9adab75723a7aa79a03c391188b6527b1060d87f907e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f3a7103d0f475a1ea35158166d8cf6e8789ec97d8fa043fca6eecad90caee52c",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2021-12-14T21:30:10Z",
    "title_canon_sha256": "88aa629ab400484bc25af014770ab9547b6f04fa7a86041ac4c6a0bf85187da1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.07749",
    "kind": "arxiv",
    "version": 1
  }
}