Pith Number

pith:3KBABUJB

pith:2019:3KBABUJBVEVDM3POCREC5GCCDY

not attested not anchored not stored refs pending

Laser cooling of a nanomechanical oscillator to the zero-point energy

Itay Shomroni, Liu Qiu, Paul Seidler, Tobias J. Kippenberg

arxiv:1903.10242 v2 · 2019-03-25 · quant-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{3KBABUJBVEVDM3POCREC5GCCDY}

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	2026-07-05T01:00:30.956909Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da8200d121a92a366dee14482e98421e163b57d2cb5dd201b07ebb59a040f998

Aliases

arxiv: 1903.10242 · arxiv_version: 1903.10242v2 · doi: 10.48550/arxiv.1903.10242 · pith_short_12: 3KBABUJBVEVD · pith_short_16: 3KBABUJBVEVDM3PO · pith_short_8: 3KBABUJB

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/3KBABUJBVEVDM3POCREC5GCCDY \
  | 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: da8200d121a92a366dee14482e98421e163b57d2cb5dd201b07ebb59a040f998

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0444624b17bfe37b2aa1893845563e52a4969807fd2207ecf99d167455607b81",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-03-25T11:10:13Z",
    "title_canon_sha256": "cde82c966bcbf15b36cf09812efdd807de81dc2e833dee0c0ceb773576caf01f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.10242",
    "kind": "arxiv",
    "version": 2
  }
}