Pith Number

pith:YK3I4ATT

pith:2016:YK3I4ATTB3CD4TXIURL6WN2CDZ

not attested not anchored not stored refs pending

Ultra-broadband quantum cascade laser operating from 1.88 to 3.82 THz

Dominic Bachmann, Giacomo Scalari, J\'er\^ome Faist, Karl Unterrainer, Markus R\"osch, Martin J. S\"uess, Mattias Beck

arxiv:1612.07594 v2 · 2016-12-22 · 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{YK3I4ATTB3CD4TXIURL6WN2CDZ}

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	2026-05-18T00:35:43.770972Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c2b68e02730ec43e4ee8a457eb37421e6127e94ef440de8f6b2911e21e8e43b0

Aliases

arxiv: 1612.07594 · arxiv_version: 1612.07594v2 · doi: 10.48550/arxiv.1612.07594 · pith_short_12: YK3I4ATTB3CD · pith_short_16: YK3I4ATTB3CD4TXI · pith_short_8: YK3I4ATT

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/YK3I4ATTB3CD4TXIURL6WN2CDZ \
  | 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: c2b68e02730ec43e4ee8a457eb37421e6127e94ef440de8f6b2911e21e8e43b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f9c56657bfdcaf1a9779462a4c782af7c47ae51f2f4db58ebcaf9284f66aaaf5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2016-12-22T13:41:15Z",
    "title_canon_sha256": "9f5bbd9a9ba7795cc1eda9e046ccc69c562b6f0430f6c886ed4533b7d6fdebdf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.07594",
    "kind": "arxiv",
    "version": 2
  }
}