Pith Number

pith:EO52JGYO

pith:2019:EO52JGYOGS6Y4MCPUL4AI43YAK

not attested not anchored not stored refs pending

Graphene bandgap induced by ferroelectric Pca2$_1$ HfO$_2$ substrate: a first-principles study

Daniela Dragoman, George Alexandru Nemnes, Mircea Dragoman

arxiv:1903.09826 v1 · 2019-03-23 · cond-mat.mes-hall

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EO52JGYOGS6Y4MCPUL4AI43YAK}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-17T23:50:35.378702Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23bba49b0e34bd8e304fa2f804737802ae371114eeea425f4487b4acff6dc3ed

Aliases

arxiv: 1903.09826 · arxiv_version: 1903.09826v1 · doi: 10.48550/arxiv.1903.09826 · pith_short_12: EO52JGYOGS6Y · pith_short_16: EO52JGYOGS6Y4MCP · pith_short_8: EO52JGYO

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/EO52JGYOGS6Y4MCPUL4AI43YAK \
  | 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: 23bba49b0e34bd8e304fa2f804737802ae371114eeea425f4487b4acff6dc3ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "208b91ed3c5fdd5ebbfe35d5f21147dcaff3bdb137a1d33cf58ddf2e1ddb39de",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2019-03-23T14:08:45Z",
    "title_canon_sha256": "1e9ab70c932957f7b186fd51203f57222efc265b783c7f695af7bf519f7e6aae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.09826",
    "kind": "arxiv",
    "version": 1
  }
}