Pith Number

pith:TMZDLC7Q

pith:2021:TMZDLC7QGTIECMAI77II22W5LK

not attested not anchored not stored refs pending

Extrinsic ferroelectricity originated from oxygen vacancy drift in HfO2-based films

Hao Dong, Jing Qi, Jinliang Wu, Maoyuan Zheng, Xingwang Zhang, Yitian Jiang, Yong Cheng, Zhigang Yin

arxiv:2112.13431 v1 · 2021-12-26 · 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{TMZDLC7QGTIECMAI77II22W5LK}

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	2026-07-05T03:43:53.388360Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9b32358bf034d0413008ffd08d6add5ab677cf2cac4d103f853032731b68f987

Aliases

arxiv: 2112.13431 · arxiv_version: 2112.13431v1 · doi: 10.48550/arxiv.2112.13431 · pith_short_12: TMZDLC7QGTIE · pith_short_16: TMZDLC7QGTIECMAI · pith_short_8: TMZDLC7Q

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/TMZDLC7QGTIECMAI77II22W5LK \
  | 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: 9b32358bf034d0413008ffd08d6add5ab677cf2cac4d103f853032731b68f987

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b5c86bd3cde4d9338d52fcc741c61d3b64bc9dd2c4a4d827d3d639c56aefc71b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2021-12-26T18:25:44Z",
    "title_canon_sha256": "9303f966090b35a4f91ef9d48bf7d967c456b6f501c5b3cd524926682d60f20f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.13431",
    "kind": "arxiv",
    "version": 1
  }
}