Pith Number

pith:EPVY6N6J

pith:2018:EPVY6N6JS2OVS4KULWCYWA5R2V

not attested not anchored not stored refs pending

Unveiling spectral purity and tunability of terahertz quantum cascade laser sources based on intra-cavity difference frequency generation

Akio Ito, Annamaria Campa, Jae Hyun Kim, Kazuue Fujita, Luigi Consolino, Masahiro Hitaka, Michele De Regis, Mikhail A. Belkin, Miriam Serena Vitiello, Paolo De Natale, Saverio Bartalini, Seungyong Jung, Shovon Pal

arxiv:1804.11260 v1 · 2018-04-27 · physics.app-ph · cond-mat.mes-hall

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EPVY6N6JS2OVS4KULWCYWA5R2V}

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	2026-05-18T00:17:14.112632Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23eb8f37c9969d5971545d858b03b1d55e52a61504897913efe59c5ac43137cc

Aliases

arxiv: 1804.11260 · arxiv_version: 1804.11260v1 · doi: 10.48550/arxiv.1804.11260 · pith_short_12: EPVY6N6JS2OV · pith_short_16: EPVY6N6JS2OVS4KU · pith_short_8: EPVY6N6J

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/EPVY6N6JS2OVS4KULWCYWA5R2V \
  | 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: 23eb8f37c9969d5971545d858b03b1d55e52a61504897913efe59c5ac43137cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b667421284f6fd7c974aa9a985f9d9ac6203c4583bfc779c260530cd84f7d924",
    "cross_cats_sorted": [
      "cond-mat.mes-hall"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2018-04-27T14:26:29Z",
    "title_canon_sha256": "1db253c974e979a55d65777015c027e40d6fe59077e7e255d977875597f592a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.11260",
    "kind": "arxiv",
    "version": 1
  }
}