Pith Number

pith:N4NK53KT

pith:2004:N4NK53KTM53IP5MQAC5Y7ZE6ER

not attested not anchored not stored refs pending

Effects of the Two- Gap Nature on the Microwave Conductivity of 39 K Polycrystalline MgB2 Films

H. N. Lee, James C. Booth, J. H. Claassen, J. H. Lee, Jung Hoon Han, Sang Young Lee, S. H. Moon

arxiv:cond-mat/0403665 v1 · 2004-03-27 · 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{N4NK53KTM53IP5MQAC5Y7ZE6ER}

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	2026-07-04T16:46:00.264124Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f1aaeed53677687f59000bb8fe49e2478c065b9713195040378350cd1d4293f

Aliases

arxiv: cond-mat/0403665 · arxiv_version: cond-mat/0403665v1 · doi: 10.48550/arxiv.cond-mat/0403665 · pith_short_12: N4NK53KTM53I · pith_short_16: N4NK53KTM53IP5MQ · pith_short_8: N4NK53KT

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/N4NK53KTM53IP5MQAC5Y7ZE6ER \
  | 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: 6f1aaeed53677687f59000bb8fe49e2478c065b9713195040378350cd1d4293f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe2aabd574413def78e87a3518f8d5345f74ee69b7748d6cc2161d06f0ffc1c8",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2004-03-27T10:28:55Z",
    "title_canon_sha256": "291b4e44976f3d667ed25ec8c121a6c2b4a4257c6b7f44f182449e0d93f19b34"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0403665",
    "kind": "arxiv",
    "version": 1
  }
}