Pith Number

pith:GBU5TZQL

pith:2018:GBU5TZQLIDKJGPVO2IBMJ6765G

not attested not anchored not stored refs pending

Tunable superconductivity in parent cuprate Pr$_{2}$CuO$_{4\pm\delta}$ thin films

Beiyi Zhu, Ge He, Jie Yuan, Kui Jin, Mingyang Qin, Wei Hu, Xinjian Wei, Xu Zhang, Yuan Lin

arxiv:1807.01087 v1 · 2018-07-03 · 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{GBU5TZQLIDKJGPVO2IBMJ6765G}

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	2026-07-05T00:01:28.308556Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3069d9e60b40d4933eaed202c4fbfee9983c81245475c761fdadf594dffe2330

Aliases

arxiv: 1807.01087 · arxiv_version: 1807.01087v1 · doi: 10.48550/arxiv.1807.01087 · pith_short_12: GBU5TZQLIDKJ · pith_short_16: GBU5TZQLIDKJGPVO · pith_short_8: GBU5TZQL

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/GBU5TZQLIDKJGPVO2IBMJ6765G \
  | 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: 3069d9e60b40d4933eaed202c4fbfee9983c81245475c761fdadf594dffe2330

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e8c27038240058475921eb3456d281119d4e9b07373262738f33929138c90e39",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2018-07-03T11:25:41Z",
    "title_canon_sha256": "584fdf444c32c750bbc0f68571e54bc409b342ea1b3e153267b9c38b3848de93"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.01087",
    "kind": "arxiv",
    "version": 1
  }
}