Pith Number

pith:6ZYFX5L6

pith:2018:6ZYFX5L6OC4H2UAQWCXNIXZ6PT

not attested not anchored not stored refs pending

Well-posedness and numerical treatment of the Blackstock equation in nonlinear acoustics

Barbara Wohlmuth, Marvin Fritz, Vanja Nikoli\'c

arxiv:1806.05227 v2 · 2018-06-13 · 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{6ZYFX5L6OC4H2UAQWCXNIXZ6PT}

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	2026-05-17T23:57:50.583019Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f6705bf57e70b87d5010b0aed45f3e7cc410b6ba7064e72c9bbbadf541daee0c

Aliases

arxiv: 1806.05227 · arxiv_version: 1806.05227v2 · doi: 10.48550/arxiv.1806.05227 · pith_short_12: 6ZYFX5L6OC4H · pith_short_16: 6ZYFX5L6OC4H2UAQ · pith_short_8: 6ZYFX5L6

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/6ZYFX5L6OC4H2UAQWCXNIXZ6PT \
  | 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: f6705bf57e70b87d5010b0aed45f3e7cc410b6ba7064e72c9bbbadf541daee0c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a732c8d9a6927effcccc21bd68169a7694175b40ea3739bf75613ab958c1b725",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-06-13T19:07:35Z",
    "title_canon_sha256": "b1ce665a8944009eecb3b3d826fabb2c7e8330e090a089c5d2d666b0e421e04c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.05227",
    "kind": "arxiv",
    "version": 2
  }
}