Pith Number

pith:7SGAPXOZ

pith:2014:7SGAPXOZT2AW6CXE64YH7JAWQ7

not attested not anchored not stored refs pending

Quantum Hall resistance standards from graphene grown by chemical vapor deposition on silicon carbide

A. Michon, B. Jouault, C. Consejo, D. Kazazis, F. Lafont, F. Schopfer, M. Portail, M. Zielinski, O. Couturaud, R. Ribeiro-Palau, T. Chassagne, W. Poirier

arxiv:1407.3615 v2 · 2014-07-14 · cond-mat.mes-hall

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7SGAPXOZT2AW6CXE64YH7JAWQ7}

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	2026-05-18T02:18:23.757947Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc8c07ddd99e816f0ae4f7307fa41687fb7dfc822e9767923cddd701d2d24014

Aliases

arxiv: 1407.3615 · arxiv_version: 1407.3615v2 · doi: 10.48550/arxiv.1407.3615 · pith_short_12: 7SGAPXOZT2AW · pith_short_16: 7SGAPXOZT2AW6CXE · pith_short_8: 7SGAPXOZ

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/7SGAPXOZT2AW6CXE64YH7JAWQ7 \
  | 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: fc8c07ddd99e816f0ae4f7307fa41687fb7dfc822e9767923cddd701d2d24014

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95a2aaff8979c175d314c0334ebc45a4cd64919c94ed6ba876add5a0c351b171",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2014-07-14T12:00:14Z",
    "title_canon_sha256": "e62fca1fae3a3ebed47efc7c770b98e7ac4718cdb3a9239dd85fc9cc3fbc7b90"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.3615",
    "kind": "arxiv",
    "version": 2
  }
}