Pith Number

pith:BTCYRZTE

pith:2015:BTCYRZTELUUTSMEXH4X5EAS6V5

not attested not anchored not stored refs pending

An Entropy Stable Nodal Discontinuous Galerkin Method for the Two Dimensional Shallow Water Equations on Unstructured Curvilinear Meshes with Discontinuous Bathymetry

Andrew R. Winters, David A. Kopriva, Gregor J. Gassner, Niklas Wintermeyer

arxiv:1509.07096 v2 · 2015-09-23 · math.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{BTCYRZTELUUTSMEXH4X5EAS6V5}

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	2026-05-18T01:12:01.680503Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0cc588e6645d293930973f2fd2025eaf47c975946eb3a62aeca8aba2766373d0

Aliases

arxiv: 1509.07096 · arxiv_version: 1509.07096v2 · doi: 10.48550/arxiv.1509.07096 · pith_short_12: BTCYRZTELUUT · pith_short_16: BTCYRZTELUUTSMEX · pith_short_8: BTCYRZTE

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/BTCYRZTELUUTSMEXH4X5EAS6V5 \
  | 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: 0cc588e6645d293930973f2fd2025eaf47c975946eb3a62aeca8aba2766373d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a7fbb9f8cd966846dd9d3283cab6995805167325e622723699cf1ff55d5b552",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-09-23T19:03:04Z",
    "title_canon_sha256": "d5e39746951926f51b0a82f4ccb9586bf9bf02b1dd99db94edc5cd7966bb943e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.07096",
    "kind": "arxiv",
    "version": 2
  }
}