Pith Number

pith:UBCBJEOA

pith:2019:UBCBJEOA57JWK5D6FUKC23W2OZ

not attested not anchored not stored refs pending

Discontinuous Galerkin methods for the Ostrovsky-Vakhnenko equation

Qian Zhang, Yinhua Xia

arxiv:1908.03873 v1 · 2019-08-11 · 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{UBCBJEOA57JWK5D6FUKC23W2OZ}

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	2026-07-04T23:53:19.079022Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0441491c0efd365747e2d142d6eda765c99541ae1aae33db8bba569e68c50e1

Aliases

arxiv: 1908.03873 · arxiv_version: 1908.03873v1 · doi: 10.48550/arxiv.1908.03873 · pith_short_12: UBCBJEOA57JW · pith_short_16: UBCBJEOA57JWK5D6 · pith_short_8: UBCBJEOA

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/UBCBJEOA57JWK5D6FUKC23W2OZ \
  | 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: a0441491c0efd365747e2d142d6eda765c99541ae1aae33db8bba569e68c50e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b6617c71314e873e089ea9a57ea5dd8fa2175c186abfe4a4319333bb4139c77",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-08-11T08:50:19Z",
    "title_canon_sha256": "2e8f55ce4c1aa5d41d6d0903b65dbd8b7093455921bd9acade0c6fa3be0382c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.03873",
    "kind": "arxiv",
    "version": 1
  }
}