Pith Number

pith:GOSB2RNJ

pith:2019:GOSB2RNJMYPPALOMEHYWOQGXCH

not attested not anchored not stored refs pending

Impedance boundary conditions for acoustic time harmonic wave propagation in viscous gases

Anastasia Th\"ons-Zueva, Kersten Schmidt

arxiv:1905.08585 v1 · 2019-05-21 · 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{GOSB2RNJMYPPALOMEHYWOQGXCH}

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	2026-05-17T23:45:42.755896Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

33a41d45a9661ef02dcc21f16740d711cf511bf4f83b2c3d01ea82107670d826

Aliases

arxiv: 1905.08585 · arxiv_version: 1905.08585v1 · doi: 10.48550/arxiv.1905.08585 · pith_short_12: GOSB2RNJMYPP · pith_short_16: GOSB2RNJMYPPALOM · pith_short_8: GOSB2RNJ

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/GOSB2RNJMYPPALOMEHYWOQGXCH \
  | 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: 33a41d45a9661ef02dcc21f16740d711cf511bf4f83b2c3d01ea82107670d826

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6261d7c9c8cca40e720e0cf3cd10160d3f8c8ab80f2385d9e94e0ec1f949af6a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2019-05-21T12:47:40Z",
    "title_canon_sha256": "f075d0f2588b33154579c8c4df511aa6086304d5f13f1632fd632cd2dc55d6ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.08585",
    "kind": "arxiv",
    "version": 1
  }
}