Pith Number

pith:Z7TS225P

pith:2019:Z7TS225PASIABGSAH2NZ2RLESD

not attested not anchored not stored refs pending

An interior penalty discontinuous Galerkin method for the time-domain acoustic-elastic wave interaction problem

Jing Huang, Liwei Xu, Xiaozhou Li, Yingda Cheng

arxiv:1903.01834 v2 · 2019-03-05 · 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{Z7TS225PASIABGSAH2NZ2RLESD}

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	2026-05-17T23:50:55.302845Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cfe72d6baf0490009a403e9b9d456490c493122ea330e86d6ebcfb21636564eb

Aliases

arxiv: 1903.01834 · arxiv_version: 1903.01834v2 · doi: 10.48550/arxiv.1903.01834 · pith_short_12: Z7TS225PASIA · pith_short_16: Z7TS225PASIABGSA · pith_short_8: Z7TS225P

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/Z7TS225PASIABGSAH2NZ2RLESD \
  | 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: cfe72d6baf0490009a403e9b9d456490c493122ea330e86d6ebcfb21636564eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3540f80bceb3c30f3a1e24fc723bcae32dbc79304abd2d696726c1778691b372",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-03-05T14:14:39Z",
    "title_canon_sha256": "80431d92062cfe49d1a4e6a5e202db6604ff936428b29e1f9ed0ae743c8718c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.01834",
    "kind": "arxiv",
    "version": 2
  }
}