Pith Number

pith:XMOEKPIQ

pith:2013:XMOEKPIQNRGHWGK5PRLVONZOKQ

not attested not anchored not stored refs pending

Strain induced superconductivity in the parent compound BaFe2As2

B. Holzapfel, D. V. Efremov, F. Kurth, J. Engelmann, J. H\"anisch, K. Iida, L. Schultz, M. Hoffmann, P. Chekhonin, R. H\"uhne, S. Oswald, V. Grinenko, W. Skrotzki

arxiv:1312.2107 v1 · 2013-12-07 · 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{XMOEKPIQNRGHWGK5PRLVONZOKQ}

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	2026-05-18T03:05:17.263495Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb1c453d106c4c7b195d7c5757372e5418460dd0bb3933aa5fb9a9c7bdeaa310

Aliases

arxiv: 1312.2107 · arxiv_version: 1312.2107v1 · doi: 10.48550/arxiv.1312.2107 · pith_short_12: XMOEKPIQNRGH · pith_short_16: XMOEKPIQNRGHWGK5 · pith_short_8: XMOEKPIQ

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/XMOEKPIQNRGHWGK5PRLVONZOKQ \
  | 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: bb1c453d106c4c7b195d7c5757372e5418460dd0bb3933aa5fb9a9c7bdeaa310

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31553b150f504ad1ec48fff84ae8b55c39a9105355171c4c25cd880bf058e6ec",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2013-12-07T16:25:53Z",
    "title_canon_sha256": "a02636abf8c1959d23a6d7c7b88eb287cee77a43a47dcb9f97ec9b51bc4e28f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.2107",
    "kind": "arxiv",
    "version": 1
  }
}