Pith Number

pith:VPPBQLVI

pith:2012:VPPBQLVI5B7GRJN3JLJYLKOQ7B

not attested not anchored not stored refs pending

Anomalous impurity effects in the iron-based superconductor KFe$_2$As$_2$

A. F. Wang, G. J. Ye, J. J. Ying, P. Cheng, S. Y. Li, S. Y. Zhou, X. C. Hong, X. G. Luo, X. H. Chen, Y. J. Yan, Z. J. Xiang

arxiv:1206.2030 v3 · 2012-06-10 · 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{VPPBQLVI5B7GRJN3JLJYLKOQ7B}

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	2026-05-18T02:56:58.587387Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

abde182ea8e87e68a5bb4ad385a9d0f8699ab82e09c9b2f3135736e418fb6eee

Aliases

arxiv: 1206.2030 · arxiv_version: 1206.2030v3 · doi: 10.48550/arxiv.1206.2030 · pith_short_12: VPPBQLVI5B7G · pith_short_16: VPPBQLVI5B7GRJN3 · pith_short_8: VPPBQLVI

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/VPPBQLVI5B7GRJN3JLJYLKOQ7B \
  | 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: abde182ea8e87e68a5bb4ad385a9d0f8699ab82e09c9b2f3135736e418fb6eee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f91a5c9110e0ca2a3142a7ccdbeefc550b1c62c4b6ee549912ba2a29d2a89ee",
    "cross_cats_sorted": [
      "cond-mat.str-el"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2012-06-10T13:48:28Z",
    "title_canon_sha256": "1399b831efb4087ffba282c2fb6d880536edb72a29f81f8e68cdda1470d0c72a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.2030",
    "kind": "arxiv",
    "version": 3
  }
}