Pith Number

pith:H4FE63G7

pith:2016:H4FE63G7HFVBZEWKNHLRIN74LV

not attested not anchored not stored refs pending

Distributed feedback terahertz frequency quantum cascade lasers with dual periodicity gratings

A. G. Davies, A. Pitanti, A. Tredicucci, E. H. Linfield, F. Castellano, L. H. Li, M. S. Vitiello, S. Zanotto

arxiv:1605.09416 v1 · 2016-05-30 · 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{H4FE63G7HFVBZEWKNHLRIN74LV}

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	2026-05-18T01:13:17.385715Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f0a4f6cdf396a1c92ca69d71437fc5d719d10674ad2c05369ec9d06295012fd

Aliases

arxiv: 1605.09416 · arxiv_version: 1605.09416v1 · doi: 10.48550/arxiv.1605.09416 · pith_short_12: H4FE63G7HFVB · pith_short_16: H4FE63G7HFVBZEWK · pith_short_8: H4FE63G7

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/H4FE63G7HFVBZEWKNHLRIN74LV \
  | 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: 3f0a4f6cdf396a1c92ca69d71437fc5d719d10674ad2c05369ec9d06295012fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d5b794c06fa1cf8fd78ba055e6855552a039b29533287d3f4d0ecec1cad0c18",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2016-05-30T21:11:39Z",
    "title_canon_sha256": "da0835148c6947d93835bae1c2d43cfec4260f8b75254bb117884d1b90f6c361"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.09416",
    "kind": "arxiv",
    "version": 1
  }
}