Pith Number

pith:6PCK6DQS

pith:2019:6PCK6DQSNCRXB2CYLR4MZ6H52X

not attested not anchored not stored refs pending

Nature of the Structural Symmetries Associated with Hybrid Improper Ferroelectricity in Ca3X2O7

B. Gao, H. Zhang, J. Kim, M. Balasubramanian, S. Ghose, S. G. Wang, S. Liu, S.-W. Cheong, T. A. Tyson, Y-S. Chen, Zhenxian Liu

arxiv:1903.07690 v2 · 2019-03-18 · 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{6PCK6DQSNCRXB2CYLR4MZ6H52X}

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	2026-05-17T23:41:42.668129Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f3c4af0e1268a370e8585c78ccf8fdd5ec8a54b3f31ce187612f10f2b9d7dc99

Aliases

arxiv: 1903.07690 · arxiv_version: 1903.07690v2 · doi: 10.48550/arxiv.1903.07690 · pith_short_12: 6PCK6DQSNCRX · pith_short_16: 6PCK6DQSNCRXB2CY · pith_short_8: 6PCK6DQS

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/6PCK6DQSNCRXB2CYLR4MZ6H52X \
  | 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: f3c4af0e1268a370e8585c78ccf8fdd5ec8a54b3f31ce187612f10f2b9d7dc99

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8e0bd49b01e92dd73a0e108c76bccb8f8eef9c8dc869c10d997ed8b98406816",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2019-03-18T19:51:50Z",
    "title_canon_sha256": "29e7f70a2a07e8a7d2d992b36ae5a8c64ded640087138579a23f39154f04f4f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.07690",
    "kind": "arxiv",
    "version": 2
  }
}