Pith Number

pith:7XCAPFRY

pith:2016:7XCAPFRYE272EU4S6Y73GZHRQS

not attested not anchored not stored refs pending

Helmholtz equation in a semi-infinite strip with impedance boundary conditions of the third and fifth orders

Y.A. Antipov

arxiv:1604.07107 v1 · 2016-04-25 · 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{7XCAPFRYE272EU4S6Y73GZHRQS}

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	2026-05-18T01:16:23.023444Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fdc407963826bfa25392f63fb364f184a80fb2a24160ef69b3e15d174ee16769

Aliases

arxiv: 1604.07107 · arxiv_version: 1604.07107v1 · doi: 10.48550/arxiv.1604.07107 · pith_short_12: 7XCAPFRYE272 · pith_short_16: 7XCAPFRYE272EU4S · pith_short_8: 7XCAPFRY

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/7XCAPFRYE272EU4S6Y73GZHRQS \
  | 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: fdc407963826bfa25392f63fb364f184a80fb2a24160ef69b3e15d174ee16769

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "acd93995a66d775997a8d31f75aab221c4d46d49604527a9ce2afea954d25144",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2016-04-25T01:57:00Z",
    "title_canon_sha256": "c0ba219eb95f2d4042446fb9f218bd32772e10dc3fcb6ceb78defc72b9f7f2eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.07107",
    "kind": "arxiv",
    "version": 1
  }
}