Pith Number

pith:BYCDOPTC

pith:2014:BYCDOPTCEOOIULZQDBDHDDI6XR

not attested not anchored not stored refs pending

Two distinct superconducting states in KFe$_2$As$_2$ under high pressure

Akira Iyo, Chul-Ho Lee, Hiroshi Eisaki, Kaori Sugii, Kunihiro Kihou, Naoki Kikugawa, Shigeyuki Ishida, Shinya Uji, Taichi Terashima, Takehiko Matsumoto

arxiv:1401.6257 v3 · 2014-01-24 · cond-mat.supr-con · cond-mat.str-el

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BYCDOPTCEOOIULZQDBDHDDI6XR}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:52:55.714031Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e04373e62239c8a2f301846718d1ebc66af0972eec6b55fc3ea2af214679aeb

Aliases

arxiv: 1401.6257 · arxiv_version: 1401.6257v3 · doi: 10.48550/arxiv.1401.6257 · pith_short_12: BYCDOPTCEOOI · pith_short_16: BYCDOPTCEOOIULZQ · pith_short_8: BYCDOPTC

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/BYCDOPTCEOOIULZQDBDHDDI6XR \
  | 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: 0e04373e62239c8a2f301846718d1ebc66af0972eec6b55fc3ea2af214679aeb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ff404d0b5c052a692b86c35947f6f5064f5929820a4182354aa555c7ab67098",
    "cross_cats_sorted": [
      "cond-mat.str-el"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2014-01-24T04:42:53Z",
    "title_canon_sha256": "70580061f59b6ac88500f50a115547cac9fd99a13baa4072830de3cfb2847b75"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.6257",
    "kind": "arxiv",
    "version": 3
  }
}