Pith Number

pith:KBLBFWNH

pith:2010:KBLBFWNH6NFBD3HOPLR4DKE7A5

not attested not anchored not stored refs pending

The interior transmission problem and bounds on transmission eigenvalues

Katsiaryna Krupchyk, Lassi P\"aiv\"arinta, Michael Hitrik, Petri Ola

arxiv:1009.5640 v1 · 2010-09-28 · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KBLBFWNH6NFBD3HOPLR4DKE7A5}

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	2026-05-18T04:40:09.700636Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

505612d9a7f34a11ecee7ae3c1a89f0751316e174ccfd8008fd73acd6dfc360a

Aliases

arxiv: 1009.5640 · arxiv_version: 1009.5640v1 · doi: 10.48550/arxiv.1009.5640 · pith_short_12: KBLBFWNH6NFB · pith_short_16: KBLBFWNH6NFBD3HO · pith_short_8: KBLBFWNH

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/KBLBFWNH6NFBD3HOPLR4DKE7A5 \
  | 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: 505612d9a7f34a11ecee7ae3c1a89f0751316e174ccfd8008fd73acd6dfc360a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd6253dea49edfacca43aa7ad376ec530d19959260199944af4fa5ea806c60d0",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2010-09-28T17:38:20Z",
    "title_canon_sha256": "544518299bd55e5a62b8825fc3266c58a75dfe5d1e91747e0b05949001385aa7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.5640",
    "kind": "arxiv",
    "version": 1
  }
}