Pith Number

pith:YDKASB47

pith:2009:YDKASB47CZ7T6K7MFNS3ACHMJW

not attested not anchored not stored refs pending

Two-gap superconductivity in Ba_1-xK_xFe_2As_2: A complementary study of the magnetic penetration depth by \muSR and ARPES

A. Amato, B. B\"uchner, Ch. Niedermayer, C.T. Lin, D.S. Inosov, D.V. Evtushinsky, G.L. Sun, H.-H. Klauss, H. Luetkens, J.T. Park, R. Khasanov, V. Hinkov

arxiv:0901.2329 v2 · 2009-01-15 · 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{YDKASB47CZ7T6K7MFNS3ACHMJW}

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	2026-05-18T02:14:57.256749Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c0d409079f167f3f2bec2b65b008ec4d850a64de04a6fde8c130b6623b05ba81

Aliases

arxiv: 0901.2329 · arxiv_version: 0901.2329v2 · doi: 10.48550/arxiv.0901.2329 · pith_short_12: YDKASB47CZ7T · pith_short_16: YDKASB47CZ7T6K7M · pith_short_8: YDKASB47

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/YDKASB47CZ7T6K7MFNS3ACHMJW \
  | 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: c0d409079f167f3f2bec2b65b008ec4d850a64de04a6fde8c130b6623b05ba81

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99969732cbe582254b130a843e94a86c64d8b19ab2312557cdbc27f1828b09eb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2009-01-15T18:43:49Z",
    "title_canon_sha256": "2189f6c87eee43825cf97965848f18aa40df46542e002bc1b5cfca4321b8117b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.2329",
    "kind": "arxiv",
    "version": 2
  }
}