Pith Number

pith:UNFITWBE

pith:2026:UNFITWBEQMPEQ5EEXC2J7ESCJE

not attested not anchored not stored refs pending

Superconductivity in MgHCu3 perovskite revisited

Piotr Szkudlarek, Wojciech Grochala

arxiv:2607.18117 v1 · 2026-07-20 · 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{UNFITWBEQMPEQ5EEXC2J7ESCJE}

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	2026-07-21T02:22:17.242222Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a34a89d824831e487484b8b49f924249252b5aa217cc5c6228ddda365e65105b

Aliases

arxiv: 2607.18117 · arxiv_version: 2607.18117v1 · doi: 10.48550/arxiv.2607.18117 · pith_short_12: UNFITWBEQMPE · pith_short_16: UNFITWBEQMPEQ5EE · pith_short_8: UNFITWBE

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/UNFITWBEQMPEQ5EEXC2J7ESCJE \
  | 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: a34a89d824831e487484b8b49f924249252b5aa217cc5c6228ddda365e65105b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85614b5491026fa1fa4300d24a45b5cd842c6041dd0e5e9f2f80ae179dc62cbb",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2026-07-20T16:12:11Z",
    "title_canon_sha256": "1835f1af0875c08f6c556caea99267ddca8be6c5d2fb9c424a39b41818fc2bb9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.18117",
    "kind": "arxiv",
    "version": 1
  }
}