Pith Number

pith:CXOIJ2VE

pith:2020:CXOIJ2VEZEPTNS2QXACH3BV6CW

not attested not anchored not stored refs pending

Picosecond Ultrasonics with Miniaturized Semiconductor Lasers

Alexey V. Scherbakov, Andrey V. Akimov, Christian Schneider, Eugenio Di Gaetano, Giuseppe Tandoi, Manfred Bayer, Marc Sorel, Martin Kamp, Michal Kobecki, Sven H\"ofling, Thomas Czerniuk

arxiv:2001.07431 v1 · 2020-01-21 · physics.app-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CXOIJ2VEZEPTNS2QXACH3BV6CW}

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	2026-07-05T00:34:55.341299Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15dc84eaa4c91f36cb50b8047d86be1598f21e434252eb5d8ad7455fe5579a65

Aliases

arxiv: 2001.07431 · arxiv_version: 2001.07431v1 · doi: 10.48550/arxiv.2001.07431 · pith_short_12: CXOIJ2VEZEPT · pith_short_16: CXOIJ2VEZEPTNS2Q · pith_short_8: CXOIJ2VE

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/CXOIJ2VEZEPTNS2QXACH3BV6CW \
  | 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: 15dc84eaa4c91f36cb50b8047d86be1598f21e434252eb5d8ad7455fe5579a65

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "135175b75c8c34a43ea71f0b3d4d51a863a773b57b1be2ed08d47065baf708b7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2020-01-21T10:31:20Z",
    "title_canon_sha256": "e889a5dfc57ea619b7cf5c4d41c80aadd02e885b4d5d52b36d67a81119c86932"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.07431",
    "kind": "arxiv",
    "version": 1
  }
}