Pith Number

pith:QMH7YWRJ

pith:2017:QMH7YWRJEPJ3XZDAR5FMUSCR3M

not attested not anchored not stored refs pending

Recovery of non compactly supported coefficients of elliptic equations on an infinite waveguide

Yavar Kian

arxiv:1709.02002 v1 · 2017-09-06 · 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{QMH7YWRJEPJ3XZDAR5FMUSCR3M}

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	2026-05-18T00:35:50.558236Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

830ffc5a2923d3bbe4608f4aca4851db07e15c40732d272cc3a43a4c99d55021

Aliases

arxiv: 1709.02002 · arxiv_version: 1709.02002v1 · doi: 10.48550/arxiv.1709.02002 · pith_short_12: QMH7YWRJEPJ3 · pith_short_16: QMH7YWRJEPJ3XZDA · pith_short_8: QMH7YWRJ

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/QMH7YWRJEPJ3XZDAR5FMUSCR3M \
  | 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: 830ffc5a2923d3bbe4608f4aca4851db07e15c40732d272cc3a43a4c99d55021

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4edc806d5be517148ba71073a4cc468f49773f05416589be3998fd2157287f65",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-09-06T21:01:56Z",
    "title_canon_sha256": "a54804fbde5b21fba7cbbd3744a622e075cfc4425d9e3a0efdbde8b178bc1ff5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.02002",
    "kind": "arxiv",
    "version": 1
  }
}