Pith Number

pith:634P5YZT

pith:2025:634P5YZTKVV6WI7CN5T5GI7RO4

not attested not anchored not stored refs pending

An energy-based discontinuous Galerkin method for the wave equation with nonsmooth solutions

Siyang Wang, Yangxin Fu, Yan Jiang

arxiv:2507.01736 v1 · 2025-07-02 · 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{634P5YZTKVV6WI7CN5T5GI7RO4}

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	2026-07-05T11:30:54.325173Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f6f8fee333556beb23e26f67d323f17725c274f77507e40344ef2e7e1e64309b

Aliases

arxiv: 2507.01736 · arxiv_version: 2507.01736v1 · doi: 10.48550/arxiv.2507.01736 · pith_short_12: 634P5YZTKVV6 · pith_short_16: 634P5YZTKVV6WI7C · pith_short_8: 634P5YZT

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/634P5YZTKVV6WI7CN5T5GI7RO4 \
  | 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: f6f8fee333556beb23e26f67d323f17725c274f77507e40344ef2e7e1e64309b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76a9f1df2898669c326e02b8ae00512fcec8a78ec6cbad17cf294a13ba9c69c7",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2025-07-02T14:13:40Z",
    "title_canon_sha256": "136ddb94a9807dc8861c3226055751fd545172420eba12d004f40dc82ac383fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.01736",
    "kind": "arxiv",
    "version": 1
  }
}