Pith Number

pith:LRGAIB6Q

pith:2019:LRGAIB6Q2D5VDC4J4CSTFEJQ2C

not attested not anchored not stored refs pending

High dynamic range, heterogeneous, terahertz quantum cascade lasers featuring thermally-tunable frequency comb operation over a broad current range

A. Giles Davies, Edmund H. Linfield, Francesco P. Mezzapesa, Katia Garrasi, Lianhe Li, Luca Salemi, Luigi Consolino, Miriam S. Vitiello, Paolo De Natale, Saverio Bartalini

arxiv:1901.08851 v1 · 2019-01-25 · physics.app-ph · cond-mat.mes-hall · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LRGAIB6Q2D5VDC4J4CSTFEJQ2C}

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	2026-05-17T23:55:32.909248Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5c4c0407d0d0fb518b89e0a5329130d0a98a4192ec911a12f222b1ae40f81b79

Aliases

arxiv: 1901.08851 · arxiv_version: 1901.08851v1 · doi: 10.48550/arxiv.1901.08851 · pith_short_12: LRGAIB6Q2D5V · pith_short_16: LRGAIB6Q2D5VDC4J · pith_short_8: LRGAIB6Q

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/LRGAIB6Q2D5VDC4J4CSTFEJQ2C \
  | 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: 5c4c0407d0d0fb518b89e0a5329130d0a98a4192ec911a12f222b1ae40f81b79

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e663f77ac3ecba72faba6dab01dde4574fd0ffc54978d59938026fef45e23b4e",
    "cross_cats_sorted": [
      "cond-mat.mes-hall",
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2019-01-25T12:30:55Z",
    "title_canon_sha256": "503f36df24fcc2f811ac3979cd34753d0a3c3b0a95006685762c536e8455f400"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.08851",
    "kind": "arxiv",
    "version": 1
  }
}