Pith Number

pith:T4QCUPND

pith:2019:T4QCUPND4VY7VLECQ24H5J4QOT

not attested not anchored not stored refs pending

Effect of Ge-doping on the short-wave, mid- and far-infrared intersubband transitions in GaN/AlGaN heterostructures

Akhil Ajay, Caroline B. Lim, Catherine Bougerol, Eva Monroy, Jonas L\"ahnemann

arxiv:1903.09375 v1 · 2019-03-22 · physics.app-ph · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T4QCUPND4VY7VLECQ24H5J4QOT}

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	2026-05-17T23:50:39.803743Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f202a3da3e571faac8286b87ea79074e23fdec2989ea955a055a9477cfb0838

Aliases

arxiv: 1903.09375 · arxiv_version: 1903.09375v1 · doi: 10.48550/arxiv.1903.09375 · pith_short_12: T4QCUPND4VY7 · pith_short_16: T4QCUPND4VY7VLEC · pith_short_8: T4QCUPND

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/T4QCUPND4VY7VLECQ24H5J4QOT \
  | 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: 9f202a3da3e571faac8286b87ea79074e23fdec2989ea955a055a9477cfb0838

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d736fdf51e675ccebc315b56946ac7c0691a824053dc4d97f70dd517b630be56",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2019-03-22T06:44:54Z",
    "title_canon_sha256": "05f4be2f006bb9cf6a65b034d5fe3d93fe17ff6458ab792f5f5e1da3d685bd7a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.09375",
    "kind": "arxiv",
    "version": 1
  }
}