Pith Number

pith:RUZESPI4

pith:2015:RUZESPI4K35QQLKWRO2XVRCAF3

not attested not anchored not stored refs pending

Nanoscale displacement sensing based on nonlinear frequency mixing in quantum cascade lasers

F. P. Mezzapesa, G. De Risi, G. Scamarcio, L. L. Columbo, M. Brambilla, M. Dabbicco, V. Spagnolo

arxiv:1505.00027 v1 · 2015-04-30 · 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{RUZESPI4K35QQLKWRO2XVRCAF3}

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	2026-05-18T02:17:13.810412Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d32493d1c56fb082d568bb57ac4402ec723237ed7b284c123477f81cc7b4f77

Aliases

arxiv: 1505.00027 · arxiv_version: 1505.00027v1 · doi: 10.48550/arxiv.1505.00027 · pith_short_12: RUZESPI4K35Q · pith_short_16: RUZESPI4K35QQLKW · pith_short_8: RUZESPI4

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/RUZESPI4K35QQLKWRO2XVRCAF3 \
  | 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: 8d32493d1c56fb082d568bb57ac4402ec723237ed7b284c123477f81cc7b4f77

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6d4c94659dd667c5f60e6c83d8560c993880e6b688bb84e359589d2d88d202a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2015-04-30T20:39:35Z",
    "title_canon_sha256": "251d922ff8e843e192316ee31ab10f5b4037b77ad62a19203827759016926569"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.00027",
    "kind": "arxiv",
    "version": 1
  }
}