Pith Number

pith:Y46ARH6Z

pith:2015:Y46ARH6ZGPOYMW2NXEJWDDUGR6

not attested not anchored not stored refs pending

A Nitsche-type Method for Helmholtz Equation with an Embedded Acoustically Permeable Interface

Eddie Wadbro, Esubalewe Lakie Yedeg, Martin Berggren, Mats G. Larson, Peter Hansbo

arxiv:1511.09363 v2 · 2015-11-30 · 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{Y46ARH6ZGPOYMW2NXEJWDDUGR6}

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	2026-05-18T01:19:53.325672Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c73c089fd933dd865b4db913618e868fa6fc26cde588ed37aca2c8a38c498da5

Aliases

arxiv: 1511.09363 · arxiv_version: 1511.09363v2 · doi: 10.48550/arxiv.1511.09363 · pith_short_12: Y46ARH6ZGPOY · pith_short_16: Y46ARH6ZGPOYMW2N · pith_short_8: Y46ARH6Z

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/Y46ARH6ZGPOYMW2NXEJWDDUGR6 \
  | 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: c73c089fd933dd865b4db913618e868fa6fc26cde588ed37aca2c8a38c498da5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c5d07c9295e2a196912b93fb41be07b7f1f141f88ab8a1acca4855e2bc66145",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-11-30T16:04:56Z",
    "title_canon_sha256": "1f2c5ba6bf99d4e02e873a309be6269eb087429eef64e595f97608693173f325"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.09363",
    "kind": "arxiv",
    "version": 2
  }
}