pith. sign in
Pith Number

pith:7WEB56KL

pith:2018:7WEB56KLJRC7PGAB6SDG7GAXNF
not attested not anchored not stored refs pending

Surface segregation and the Al problem in GaAs quantum wells

K. W. Baldwin, K. W. West, L. N. Pfeiffer, M. Shayegan, Yoon Jang Chung

arxiv:1804.04281 v1 · 2018-04-12 · cond-mat.mes-hall

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{7WEB56KLJRC7PGAB6SDG7GAXNF}

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 2026-05-18T00:18:40.068297Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

fd881ef94b4c45f79801f4866f981769656f17159429241b2ebf2a9b53d8cac5

Aliases

arxiv: 1804.04281 · arxiv_version: 1804.04281v1 · doi: 10.48550/arxiv.1804.04281 · pith_short_12: 7WEB56KLJRC7 · pith_short_16: 7WEB56KLJRC7PGAB · pith_short_8: 7WEB56KL
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/7WEB56KLJRC7PGAB6SDG7GAXNF \
  | 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: fd881ef94b4c45f79801f4866f981769656f17159429241b2ebf2a9b53d8cac5
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "b1f19174b77064f99770c215774c42f098910279cbeae86a716cbb67082522be",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2018-04-12T02:03:58Z",
    "title_canon_sha256": "30ecd3e683d9803bdb1c51004835a4067742e4ca69568c815a5f96244e210604"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.04281",
    "kind": "arxiv",
    "version": 1
  }
}