Pith Number

pith:MZ276CMK

pith:2009:MZ276CMKEZ3P5MWZ6JGSBDDG74

not attested not anchored not stored refs pending

Thermal conductivity study of KFe$_2$As$_2$ single crystal: clear evidence for unconventional superconducting gap with nodes

H. Zhang, J. K. Dong, S. Y. Li, S. Y. Zhou, T. Y. Guan, X. F. Wang, X. H. Chen, X. Qiu, Y. F. Dai, Y. He

arxiv:0909.4855 v2 · 2009-09-26 · cond-mat.supr-con · cond-mat.str-el

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MZ276CMKEZ3P5MWZ6JGSBDDG74}

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	2026-07-04T15:54:26.684264Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6675ff098a2676feb2d9f24d208c66ff3decfb804b7218393de4fc4e0ad5cdf1

Aliases

arxiv: 0909.4855 · arxiv_version: 0909.4855v2 · doi: 10.48550/arxiv.0909.4855 · pith_short_12: MZ276CMKEZ3P · pith_short_16: MZ276CMKEZ3P5MWZ · pith_short_8: MZ276CMK

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/MZ276CMKEZ3P5MWZ6JGSBDDG74 \
  | 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: 6675ff098a2676feb2d9f24d208c66ff3decfb804b7218393de4fc4e0ad5cdf1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2eb1d7c250bdf8ca7ee7640ffb2f5eaec8ad4a5baaf998f32f87d71e73b0d78",
    "cross_cats_sorted": [
      "cond-mat.str-el"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2009-09-26T11:13:13Z",
    "title_canon_sha256": "dc7355389af7886b409daeb2aa016f8b40c9a16aa896023b9b043eecc31d36ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.4855",
    "kind": "arxiv",
    "version": 2
  }
}