Pith Number

pith:J2MJI7PP

pith:2025:J2MJI7PPQ7VZPFFZPIWIQUU3UK

not attested not anchored not stored refs pending

Strain-tuning for superconductivity in La$_3$Ni$_2$O$_7$ thin films

Akiko Kikkawa, Atsushi Tsukazaki, Chieko Terakura, Hsiao-Yi Chen, Masamichi Nakajima, Motoki Osada, Yoshinori Tokura, Yusuke Nomura

arxiv:2506.15319 v1 · 2025-06-18 · cond-mat.supr-con · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J2MJI7PPQ7VZPFFZPIWIQUU3UK}

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	2026-07-05T11:23:41.337448Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4e98947def87eb9794b97a2c88529ba2a81d78ce55c22e5512ef0a3744e343e4

Aliases

arxiv: 2506.15319 · arxiv_version: 2506.15319v1 · doi: 10.48550/arxiv.2506.15319 · pith_short_12: J2MJI7PPQ7VZ · pith_short_16: J2MJI7PPQ7VZPFFZ · pith_short_8: J2MJI7PP

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/J2MJI7PPQ7VZPFFZPIWIQUU3UK \
  | 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: 4e98947def87eb9794b97a2c88529ba2a81d78ce55c22e5512ef0a3744e343e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c67c8d56c1106ed5d0e6dc05a921d496b5dd24ec3b424b77947ec5a6aaca3a90",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2025-06-18T09:48:00Z",
    "title_canon_sha256": "c39a9237b6a3093d36d6aa71e31072f75d8911bb8f2be21ca4251a3f6c925b6e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.15319",
    "kind": "arxiv",
    "version": 1
  }
}