Pith Number

pith:OJLJ7N3I

pith:2021:OJLJ7N3IKTJBJLBLOULSVVJGQD

not attested not anchored not stored refs pending

Negligible oxygen vacancies, low critical current density, electric-field modulation, in-plane anisotropic and high-field transport of a superconducting Nd0.8Sr0.2NiO2/SrTiO3 heterostructure

Han Yan, Haojiang Wu, Hongyu Chen, Pan Nie, Peixin Qin, Xiaoning Wang, Xiaorong Zhou, Xin Zhang, Zengwei Zhu, Zexin Feng, Zhiqi Liu, Ziang Meng

arxiv:2104.07316 v2 · 2021-04-15 · cond-mat.supr-con · cond-mat.mtrl-sci · cond-mat.str-el · physics.app-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OJLJ7N3IKTJBJLBLOULSVVJGQD}

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	2026-07-05T02:47:44.684199Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

72569fb76854d214ac2b75172ad52680c985f46c44476d98910867ea29650904

Aliases

arxiv: 2104.07316 · arxiv_version: 2104.07316v2 · doi: 10.48550/arxiv.2104.07316 · pith_short_12: OJLJ7N3IKTJB · pith_short_16: OJLJ7N3IKTJBJLBL · pith_short_8: OJLJ7N3I

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/OJLJ7N3IKTJBJLBLOULSVVJGQD \
  | 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: 72569fb76854d214ac2b75172ad52680c985f46c44476d98910867ea29650904

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5689c1d568ffc4e80e52c5f59c514440aec8f5bd4c6b4070ceb36a85d240f3b2",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci",
      "cond-mat.str-el",
      "physics.app-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2021-04-15T09:11:30Z",
    "title_canon_sha256": "04a535f3b7481e708106dd46a7d79e286467497c38962858e54475ac6fe02d97"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.07316",
    "kind": "arxiv",
    "version": 2
  }
}