Pith Number

pith:KFUSV5ND

pith:2002:KFUSV5NDMS5IBZAGQ77W6ZNRYD

not attested not anchored not stored refs pending

Reflection of two-gap nature in penetration depth measurements of MgB$_2$ film

Eun-Mi Choi, Hyeong-Jin Kim, John A. Skinta, Mun-Seog Kim, Sung-Ik Lee, Thomas R. Lemberger, W. N. Kang

arxiv:cond-mat/0201550 v3 · 2002-01-30 · 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{KFUSV5NDMS5IBZAGQ77W6ZNRYD}

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	2026-07-04T16:31:37.621014Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

51692af5a364ba80e40687ff6f65b1c0e807121e38e64efb106677a1e192fa52

Aliases

arxiv: cond-mat/0201550 · arxiv_version: cond-mat/0201550v3 · doi: 10.48550/arxiv.cond-mat/0201550 · pith_short_12: KFUSV5NDMS5I · pith_short_16: KFUSV5NDMS5IBZAG · pith_short_8: KFUSV5ND

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/KFUSV5NDMS5IBZAGQ77W6ZNRYD \
  | 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: 51692af5a364ba80e40687ff6f65b1c0e807121e38e64efb106677a1e192fa52

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03383ffada1102637d058c98015ac39eb2dc3859ca03b528cb8ae8b636f18e94",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2002-01-30T01:25:15Z",
    "title_canon_sha256": "e9e8a95fac7db1d78c3fa2e7c833e202c2de77a6c394d6c3663e81d46bfeb011"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0201550",
    "kind": "arxiv",
    "version": 3
  }
}