Pith Number

pith:OQMUA6GT

pith:2014:OQMUA6GTR4MBRI3WWLECTPREEC

not attested not anchored not stored refs pending

Generalized Impedance Boundary Conditions for Strongly Absorbing Obstacles: the full Wave Equations

Hoai-Minh Nguyen, Linh V. Nguyen

arxiv:1404.5580 v1 · 2014-04-22 · math.AP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OQMUA6GTR4MBRI3WWLECTPREEC}

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	2026-05-18T02:53:30.893330Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74194078d38f1818a376b2c829be24208cd5e0cf7aa97e27b36e254f752bdb1a

Aliases

arxiv: 1404.5580 · arxiv_version: 1404.5580v1 · doi: 10.48550/arxiv.1404.5580 · pith_short_12: OQMUA6GTR4MB · pith_short_16: OQMUA6GTR4MBRI3W · pith_short_8: OQMUA6GT

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/OQMUA6GTR4MBRI3WWLECTPREEC \
  | 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: 74194078d38f1818a376b2c829be24208cd5e0cf7aa97e27b36e254f752bdb1a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8aa7334fc8b450d7995e6da6d5bcaa8b163751780a52dd3363207ec882208b45",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2014-04-22T18:14:40Z",
    "title_canon_sha256": "28efb644127b349580b48c737d60a6c43c71c9c15fb5a6b02a20d9016bdca487"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.5580",
    "kind": "arxiv",
    "version": 1
  }
}