Pith Number

pith:6PDXPK5F

pith:2012:6PDXPK5FDAS333ZBD4C2PZQYES

not attested not anchored not stored refs pending

Structural phase transition below 250 K in superconducting K$_{0.75}$Fe$_{1.75}$Se$_{2}$

(2) Beijing National Laboratory for Condensed Matter Physics, A. Ignatov (1), A. Kumar (1), Astronomy, Chinese Academy of Sciences), G. Blumberg (2) ((1) Department of Physics, Institute of Physics, K. Rabe (1), N. L. Wang (2), P. Lubik (1), R. H. Yuan (2), Rutgers, The State University of New Jersey, W. T. Guo (2)

arxiv:1209.5718 v1 · 2012-09-25 · 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{6PDXPK5FDAS333ZBD4C2PZQYES}

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	2026-05-18T01:54:18.926644Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f3c777aba51825bdef211f05a7e61824b795cad2ed29ed6d693574bbd30e6c47

Aliases

arxiv: 1209.5718 · arxiv_version: 1209.5718v1 · doi: 10.48550/arxiv.1209.5718 · pith_short_12: 6PDXPK5FDAS3 · pith_short_16: 6PDXPK5FDAS333ZB · pith_short_8: 6PDXPK5F

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/6PDXPK5FDAS333ZBD4C2PZQYES \
  | 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: f3c777aba51825bdef211f05a7e61824b795cad2ed29ed6d693574bbd30e6c47

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b38a469c1e4d2cac8dc31a7ce28ef5aad60f18f4cc46cad3822dba6255a669e2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2012-09-25T18:44:31Z",
    "title_canon_sha256": "580ac4109a24e0ac8b405d75402998e9cd758f7fea40210311f5568694f0f8e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.5718",
    "kind": "arxiv",
    "version": 1
  }
}