Pith Number

pith:FZCDRQDN

pith:2019:FZCDRQDNXROBTJLQRIS7TL27IJ

not attested not anchored not stored refs pending

Superconductivity in single-crystalline, aluminum- and gallium-hyperdoped germanium

Grzegorz P. Mazur, Lars Rebohle, Maciej Sawicki, Manfred Helm, Mao Wang, Matthias Voelskow, Micha{\l} J. Grzybowski, Ren\'e H\"ubner, Shengqiang Zhou, Slawomir Prucnal, Viton Heera, Wolfgang Skorupa, Xin Qin, Ye Yuan

arxiv:1904.06865 v1 · 2019-04-15 · cond-mat.mtrl-sci · physics.app-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FZCDRQDNXROBTJLQRIS7TL27IJ}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-17T23:46:03.224621Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e4438c06dbc5c19a5708a25f9af5f4247415a4e0fb3f5a9d65457d2f55706e3

Aliases

arxiv: 1904.06865 · arxiv_version: 1904.06865v1 · doi: 10.48550/arxiv.1904.06865 · pith_short_12: FZCDRQDNXROB · pith_short_16: FZCDRQDNXROBTJLQ · pith_short_8: FZCDRQDN

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/FZCDRQDNXROBTJLQRIS7TL27IJ \
  | 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: 2e4438c06dbc5c19a5708a25f9af5f4247415a4e0fb3f5a9d65457d2f55706e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ffcc59ec5fd9edb84723f8290f7af1ab833e64df205cd972d8c494b5fcea695",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2019-04-15T05:57:13Z",
    "title_canon_sha256": "2b385ba0e5ad01bae5c43a51c75691c0b3d519c16c08ac3e30f6307a3e9ee5d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.06865",
    "kind": "arxiv",
    "version": 1
  }
}