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Pith Number

pith:L4TOOSYV

pith:2019:L4TOOSYVGJNV7AYJP6BQ7ZERX5
not attested not anchored not stored refs pending

A weight-adjusted discontinuous Galerkin method for the poroelastic wave equation: penalty fluxes and micro-heterogeneities

Jesse Chan, Khemraj Shukla, Maarten V. de Hoop, Priyank Jaiswal

arxiv:1904.02578 v2 · 2019-04-04 · math.NA · cs.NA

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{L4TOOSYVGJNV7AYJP6BQ7ZERX5}

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 2026-06-04T20:14:23.134564Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

5f26e74b15325b5f83097f830fe491bf5eaed6eb74bda09bafac50c2d8ec1dee

Aliases

arxiv: 1904.02578 · arxiv_version: 1904.02578v2 · doi: 10.48550/arxiv.1904.02578 · pith_short_12: L4TOOSYVGJNV · pith_short_16: L4TOOSYVGJNV7AYJ · pith_short_8: L4TOOSYV
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/L4TOOSYVGJNV7AYJP6BQ7ZERX5 \
  | 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: 5f26e74b15325b5f83097f830fe491bf5eaed6eb74bda09bafac50c2d8ec1dee
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "0899c693d61882a40cf9e7e7e82b5c916de6db34571ed71d7ae2cf78d95765b8",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-04-04T14:29:11Z",
    "title_canon_sha256": "3e9e7d9baf6f4103a450214722a4615610e3d4b8076d5b30765a68678f10733f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.02578",
    "kind": "arxiv",
    "version": 2
  }
}