Pith Number

pith:E7GWUQUJ

pith:1999:E7GWUQUJ5HYAFPKSOXIAZMU6LN

not attested not anchored not stored refs pending

Non-linear Microwave Surface Impedance of Epitaxial HTS Thin Films in Low DC Magnetic Fields

A.P.Kharel, A. Porch, A. V. Velichko, J.R.Powell, K.H.Soon, M.J.Lancaster, R.G.Humphreys

arxiv:cond-mat/9903309 v1 · 1999-03-19 · cond-mat.supr-con

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E7GWUQUJ5HYAFPKSOXIAZMU6LN}

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	2026-05-18T00:11:32.929166Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27cd6a4289e9f002bd5275d00cb29e5b5dd8be3841985727c9482d4f289f879b

Aliases

arxiv: cond-mat/9903309 · arxiv_version: cond-mat/9903309v1 · doi: 10.48550/arxiv.cond-mat/9903309 · pith_short_12: E7GWUQUJ5HYA · pith_short_16: E7GWUQUJ5HYAFPKS · pith_short_8: E7GWUQUJ

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/E7GWUQUJ5HYAFPKSOXIAZMU6LN \
  | 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: 27cd6a4289e9f002bd5275d00cb29e5b5dd8be3841985727c9482d4f289f879b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96e26b76ff776d34aa823f537ca9a85bb99361c71542ce6446dfa47bdbe79562",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "1999-03-19T20:26:51Z",
    "title_canon_sha256": "bdbc34be54d49ff312b8aa8d6239e62b11b7105ffb17f6caa07947f349e565db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/9903309",
    "kind": "arxiv",
    "version": 1
  }
}