Pith Number

pith:UPSYMZAF

pith:2012:UPSYMZAFQDNW2YXHLMVKL7NU7W

not attested not anchored not stored refs pending

Observation of the quantum Hall effect in epitaxial graphene on SiC(0001) with oxygen adsorption

A. Ouerghi, C. Mathieu, D. Kazazis, D. Mailly, E. Pallecchi, F. Schopfer, M. Ridene, W. Poirier

arxiv:1203.3299 v2 · 2012-03-15 · 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{UPSYMZAFQDNW2YXHLMVKL7NU7W}

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	2026-05-18T03:51:14.133412Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3e586640580db6d62e75b2aa5fdb4fd9ff6a9db9bf75cea2d908863be999586

Aliases

arxiv: 1203.3299 · arxiv_version: 1203.3299v2 · doi: 10.48550/arxiv.1203.3299 · pith_short_12: UPSYMZAFQDNW · pith_short_16: UPSYMZAFQDNW2YXH · pith_short_8: UPSYMZAF

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/UPSYMZAFQDNW2YXHLMVKL7NU7W \
  | 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: a3e586640580db6d62e75b2aa5fdb4fd9ff6a9db9bf75cea2d908863be999586

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95312606309d45638d1565fda8b46924a135d3e1f6280c9c94503ac57921d61f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2012-03-15T09:59:47Z",
    "title_canon_sha256": "fd55ac3e8d8773d70e21f2affafd949e13eb33e442628a7a72f8916e07c61629"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.3299",
    "kind": "arxiv",
    "version": 2
  }
}