Pith Number

pith:QWHA7BQ3

pith:2019:QWHA7BQ3TSQ56F73BIUURAIUZJ

not attested not anchored not stored refs pending

Causes of ferroelectricity in HfO$_{2}$-based thin films: An $\textit{ab initio}$ perspective

Mehmet Dogan, Nanbo Gong, Sohrab Ismail-Beigi, Tso-Ping Ma

arxiv:1904.01213 v1 · 2019-04-02 · 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{QWHA7BQ3TSQ56F73BIUURAIUZJ}

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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	2026-05-17T23:42:15.166160Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

858e0f861b9ca1df17fb0a29488114ca70d21913dac1656acb32554acbb4460a

Aliases

arxiv: 1904.01213 · arxiv_version: 1904.01213v1 · doi: 10.48550/arxiv.1904.01213 · pith_short_12: QWHA7BQ3TSQ5 · pith_short_16: QWHA7BQ3TSQ56F73 · pith_short_8: QWHA7BQ3

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/QWHA7BQ3TSQ56F73BIUURAIUZJ \
  | 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: 858e0f861b9ca1df17fb0a29488114ca70d21913dac1656acb32554acbb4460a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0bd8600d9b457ff9700b80a340674c9a176fb97375f4ad883d9ad3a634902ccb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2019-04-02T04:49:21Z",
    "title_canon_sha256": "a480cd4b54e7648ef18d2d58bdc710973b1dc517b51efb594de3d1eac4cda1f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.01213",
    "kind": "arxiv",
    "version": 1
  }
}