Pith Number

pith:J7SCEO5T

pith:2018:J7SCEO5TFKRIROQCU7HLUV4PHB

not attested not anchored not stored refs pending

Frequency-dependent impedance and surface waves on the boundary of a stratified dielectric medium

Kirill Cherednichenko, William Graham

arxiv:1802.06921 v4 · 2018-02-20 · math-ph · math.MP · math.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J7SCEO5TFKRIROQCU7HLUV4PHB}

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	2026-05-17T23:39:37.240684Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4fe4223bb32aa288ba02a7ceba578f3853bbf5ca1b3aee4862a58aea17e91306

Aliases

arxiv: 1802.06921 · arxiv_version: 1802.06921v4 · doi: 10.48550/arxiv.1802.06921 · pith_short_12: J7SCEO5TFKRI · pith_short_16: J7SCEO5TFKRIROQC · pith_short_8: J7SCEO5T

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/J7SCEO5TFKRIROQCU7HLUV4PHB \
  | 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: 4fe4223bb32aa288ba02a7ceba578f3853bbf5ca1b3aee4862a58aea17e91306

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6511cb11d331cc7da041a4b95eef71cb167d5a5ab4bbc79e4207299e3d60573b",
    "cross_cats_sorted": [
      "math.MP",
      "math.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2018-02-20T00:29:05Z",
    "title_canon_sha256": "bac51457b75c7e479f7bb659012229740f05f8527fb5f6e0487a0e76001ff83a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.06921",
    "kind": "arxiv",
    "version": 4
  }
}