Pith Number

pith:7WJSW4HW

pith:2018:7WJSW4HWYVDJ2HS5L65CRT2CXI

not attested not anchored not stored refs pending

Topologically non-trivial valley states in bilayer graphene quantum point contacts

Angelika Knothe, David S\'anchez, Florian Libisch, Hiske Overweg, Joachim Burgd\"orfer, Kenji Watanabe, Klaus Ensslin, Lucien Wernli, Lukas Linhart, Peter Rickhaus, Takashi Taniguchi, Thomas Fabian, Thomas Ihn, Vladimir I. Fal'ko

arxiv:1809.01920 v1 · 2018-09-06 · cond-mat.mes-hall

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

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	2026-05-17T23:57:35.990719Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd932b70f6c5469d1e5d5fba28cf42ba0154fd37dd29be4f69df2e318f4ce8d9

Aliases

arxiv: 1809.01920 · arxiv_version: 1809.01920v1 · doi: 10.48550/arxiv.1809.01920 · pith_short_12: 7WJSW4HWYVDJ · pith_short_16: 7WJSW4HWYVDJ2HS5 · pith_short_8: 7WJSW4HW

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/7WJSW4HWYVDJ2HS5L65CRT2CXI \
  | 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: fd932b70f6c5469d1e5d5fba28cf42ba0154fd37dd29be4f69df2e318f4ce8d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "21cad164ea0e708f9a290990741646b33976028897563826e7f90ea8f3ad08cc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2018-09-06T10:54:37Z",
    "title_canon_sha256": "b3e9830d62d73385472dec92b3423d58ad3819a7df625c9e17f24a1f9e6e1368"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.01920",
    "kind": "arxiv",
    "version": 1
  }
}