Pith Number

pith:WQ5BUDG5

pith:2015:WQ5BUDG5STTXKQMKYUKW2ETQ25

not attested not anchored not stored refs pending

Origin of the Higher-$T_\rm{c}$ Phase in the K$_x$Fe$_{2-y}$Se$_2$ System

Hiroyuki Takeya, Masashi Tanaka, Masaya Fujioka, Nobuo Ishizawa, Saleem J. Denholme, Shiro Funahashi, Takahide Yamaguchi, Yoshihiko Takano, Yoshitaka Matsushita, Yusuke Yanagisawa

arxiv:1504.04197 v2 · 2015-04-16 · 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{WQ5BUDG5STTXKQMKYUKW2ETQ25}

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	2026-05-18T01:18:00.053345Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b43a1a0cdd94e775418ac5156d1270d77cc54f5cdb03d6316cbae0f5d51d0637

Aliases

arxiv: 1504.04197 · arxiv_version: 1504.04197v2 · doi: 10.48550/arxiv.1504.04197 · pith_short_12: WQ5BUDG5STTX · pith_short_16: WQ5BUDG5STTXKQMK · pith_short_8: WQ5BUDG5

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/WQ5BUDG5STTXKQMKYUKW2ETQ25 \
  | 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: b43a1a0cdd94e775418ac5156d1270d77cc54f5cdb03d6316cbae0f5d51d0637

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04e1430a07180092d74286d1750892edec8a13cee390091c8a67a201a5f1da17",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2015-04-16T12:04:32Z",
    "title_canon_sha256": "d32191219fdf51997f8485e0948946f434fed5123b17bb6837e095d141a77f54"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.04197",
    "kind": "arxiv",
    "version": 2
  }
}