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Pith Number

pith:PRCVFNNY

pith:2009:PRCVFNNYIH5EOX2OHN6TFV5AZD
not attested not anchored not stored refs pending

Theory and design of quantum cascade lasers in (111) n-type Si/SiGe

A. Valavanis, C. A. Evans, L. Lever, R. W. Kelsall, Z. Ikoni\'c

arxiv:0908.0557 v1 · 2009-08-04 · cond-mat.mes-hall

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{PRCVFNNYIH5EOX2OHN6TFV5AZD}

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 2026-05-18T04:24:43.973784Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

7c4552b5b841fa475f4e3b7d32d7a0c8f30597246c5d4f0b1c1543854f3b2da9

Aliases

arxiv: 0908.0557 · arxiv_version: 0908.0557v1 · doi: 10.48550/arxiv.0908.0557 · pith_short_12: PRCVFNNYIH5E · pith_short_16: PRCVFNNYIH5EOX2O · pith_short_8: PRCVFNNY
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/PRCVFNNYIH5EOX2OHN6TFV5AZD \
  | 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: 7c4552b5b841fa475f4e3b7d32d7a0c8f30597246c5d4f0b1c1543854f3b2da9
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "6f1bc258f0d078d53cce0b639de765e9e925ea861ce10db6e21641e8b03698da",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2009-08-04T22:16:24Z",
    "title_canon_sha256": "2f0d21322b74ecf41df8edc72c11f52ed91539e68fb3e865545ccdc63cd33a10"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.0557",
    "kind": "arxiv",
    "version": 1
  }
}