Pith Number

pith:QHBLU4PQ

pith:2012:QHBLU4PQ65K2ICATLKWNLTRWH4

not attested not anchored not stored refs pending

Ab-initio study of the relation between electric polarization and electric field gradients in ferroelectrics

A. S. Fenta, A. Stroppa, J. G. Correia, J. N. Gon\c{c}alves, S. Picozzi, T. Butz, V. S. Amaral

arxiv:1203.1306 v4 · 2012-03-06 · cond-mat.mtrl-sci · cond-mat.other

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QHBLU4PQ65K2ICATLKWNLTRWH4}

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	2026-05-18T03:49:58.081463Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81c2ba71f0f755a408135aacd5ce363f0e0d7321e6e6313168c2ff75f122605c

Aliases

arxiv: 1203.1306 · arxiv_version: 1203.1306v4 · doi: 10.48550/arxiv.1203.1306 · pith_short_12: QHBLU4PQ65K2 · pith_short_16: QHBLU4PQ65K2ICAT · pith_short_8: QHBLU4PQ

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/QHBLU4PQ65K2ICATLKWNLTRWH4 \
  | 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: 81c2ba71f0f755a408135aacd5ce363f0e0d7321e6e6313168c2ff75f122605c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1c200d9856876adf35d987ae139179f645b8a5c474dfb59c314ae76da420746",
    "cross_cats_sorted": [
      "cond-mat.other"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2012-03-06T20:20:41Z",
    "title_canon_sha256": "b38928cd3908ba61490062c876659b6f046c47cc77643de4dd9bf09da61a7154"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.1306",
    "kind": "arxiv",
    "version": 4
  }
}