Pith Number

pith:NAP6KDLJ

pith:2016:NAP6KDLJKQHPXIFHGAE5NO23SZ

not attested not anchored not stored refs pending

Far-infrared quantum cascade lasers operating in AlAs phonon Reststrahlen band

A. M. Andrews, G. Strasser, H. Detz, J. Faist, K. Ohtani, M. Beck, M. J. S\"uess, T. Zederbauer, W. Schrenk

arxiv:1609.08196 v1 · 2016-09-26 · 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{NAP6KDLJKQHPXIFHGAE5NO23SZ}

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	2026-05-18T01:03:46.440517Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

681fe50d69540efba0a73009d6bb5b965375c06e0a9a7aeb52b2ac7de161103d

Aliases

arxiv: 1609.08196 · arxiv_version: 1609.08196v1 · doi: 10.48550/arxiv.1609.08196 · pith_short_12: NAP6KDLJKQHP · pith_short_16: NAP6KDLJKQHPXIFH · pith_short_8: NAP6KDLJ

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/NAP6KDLJKQHPXIFHGAE5NO23SZ \
  | 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: 681fe50d69540efba0a73009d6bb5b965375c06e0a9a7aeb52b2ac7de161103d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e31144618a495292031d5046512e035dec1b8310c8caa38103674add0368bd7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2016-09-26T21:37:21Z",
    "title_canon_sha256": "04f54cf562616eefedede5fec47521d377a539121ece88427c6ee636f560c5b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.08196",
    "kind": "arxiv",
    "version": 1
  }
}