Pith Number

pith:CGZOU7HZ

pith:2026:CGZOU7HZETSXZXYPNTJPUZUNWB

not attested not anchored not stored refs pending

Nearly perfect Fermi surface nesting in hole-doped La$_3$Ni$_2$O$_7$ enables bulk superconductivity without pressure or strain

Chengliang Xia, Hanghui Chen, Hongquan Liu, Jiale Chen

arxiv:2605.19297 v1 · 2026-05-19 · cond-mat.supr-con · 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{CGZOU7HZETSXZXYPNTJPUZUNWB}

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	2026-05-20T01:05:38.186577Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

11b2ea7cf924e57cdf0f6cd2fa668db04c12a88552e1c71681954921f4347110

Aliases

arxiv: 2605.19297 · arxiv_version: 2605.19297v1 · doi: 10.48550/arxiv.2605.19297 · pith_short_12: CGZOU7HZETSX · pith_short_16: CGZOU7HZETSXZXYP · pith_short_8: CGZOU7HZ

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/CGZOU7HZETSXZXYPNTJPUZUNWB \
  | 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: 11b2ea7cf924e57cdf0f6cd2fa668db04c12a88552e1c71681954921f4347110

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "abf1d733c0f0b42559eb4320203798bb559c4fa5e2a60b4cb3c90888ba228e62",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci",
      "cond-mat.str-el"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2026-05-19T03:18:04Z",
    "title_canon_sha256": "d9c92b6186c3d3f0fecd739c002e4926caced95ae6844673c711e468070d791e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.19297",
    "kind": "arxiv",
    "version": 1
  }
}