Pith Number

pith:ZF7DSRWA

pith:2021:ZF7DSRWABJKUM6ZQQ7377PL5WQ

not attested not anchored not stored refs pending

Intrinsic ferroelectricity in Y-doped HfO2 thin films

Alexei Gruverman, Evgeny Y. Tsymbal, Haiyan Wang, Haohan Wang, Jeffrey E. Shield, Lingling Tao, Ming Li, Pratyush Buragohain, Xiaoshan Xu, Xin Li, Yizhi Zhang, Yu Yun, Zahra Ahmadi

arxiv:2109.05071 v1 · 2021-09-10 · 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{ZF7DSRWABJKUM6ZQQ7377PL5WQ}

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	2026-07-05T06:13:14.308145Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c97e3946c00a55467b3087f7ffbd7db42c468fee85b5c62d5b6ba8ada7066cd3

Aliases

arxiv: 2109.05071 · arxiv_version: 2109.05071v1 · doi: 10.48550/arxiv.2109.05071 · pith_short_12: ZF7DSRWABJKU · pith_short_16: ZF7DSRWABJKUM6ZQ · pith_short_8: ZF7DSRWA

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/ZF7DSRWABJKUM6ZQQ7377PL5WQ \
  | 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: c97e3946c00a55467b3087f7ffbd7db42c468fee85b5c62d5b6ba8ada7066cd3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dbe5eee32244022ae76eddb1be1252f1c4fb31441e137f9a732f4c138957cd47",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2021-09-10T19:16:30Z",
    "title_canon_sha256": "78a1638a2bb46180e75fd38a8646a6f72e860cbd72483f35b2492b02992e7d38"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.05071",
    "kind": "arxiv",
    "version": 1
  }
}