Pith Number

pith:U2PTKWOY

pith:2025:U2PTKWOYL2ML2IUDXFMCOPKCN2

not attested not anchored not stored refs pending

High-temperature field-free superconducting diode effect in high-Tc cuprates

Chengcheng Ji, Gaoxing Ma, Jian Wang, Jun Ge, Shichao Qi, Yi Liu, Yiwen Ai, Zihan Cui, Ziqiang Wang, Ziqiao Wang

arxiv:2501.02425 v2 · 2025-01-05 · cond-mat.supr-con · cond-mat.mes-hall · cond-mat.mtrl-sci · 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{U2PTKWOYL2ML2IUDXFMCOPKCN2}

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	2026-07-05T09:59:02.450104Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a69f3559d85e98bd2283b958273d426e9c158bdb1377c1b4a8324a9cef18827a

Aliases

arxiv: 2501.02425 · arxiv_version: 2501.02425v2 · doi: 10.48550/arxiv.2501.02425 · pith_short_12: U2PTKWOYL2ML · pith_short_16: U2PTKWOYL2ML2IUD · pith_short_8: U2PTKWOY

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/U2PTKWOYL2ML2IUDXFMCOPKCN2 \
  | 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: a69f3559d85e98bd2283b958273d426e9c158bdb1377c1b4a8324a9cef18827a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "007c357a15c660d11a3999c12856a8b48a67a96fbf35142591612ea982d781de",
    "cross_cats_sorted": [
      "cond-mat.mes-hall",
      "cond-mat.mtrl-sci",
      "cond-mat.str-el"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2025-01-05T02:48:04Z",
    "title_canon_sha256": "1bd26b9a2b49a0e75efabf94eb9823004b44b28e725002e9722e58dae01fbd8e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.02425",
    "kind": "arxiv",
    "version": 2
  }
}