Pith Number

pith:PFPZAVLB

pith:2020:PFPZAVLBDX6QD7WUBHBTBNDPNH

not attested not anchored not stored refs pending

Optically levitated rotor at its thermal limit of frequency stability

Andrei Militaru, Dominik Windey, Felix Tebbenjohanns, Fons van der Laan, Lukas Novotny, Martin Frimmer, Ren\'e Reimann

arxiv:2003.10812 v2 · 2020-03-24 · 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{PFPZAVLBDX6QD7WUBHBTBNDPNH}

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	2026-07-05T01:19:39.174525Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

795f9055611dfd01fed409c330b46f69e01d0bfb416a18b7b374ccf908018c2c

Aliases

arxiv: 2003.10812 · arxiv_version: 2003.10812v2 · doi: 10.48550/arxiv.2003.10812 · pith_short_12: PFPZAVLBDX6Q · pith_short_16: PFPZAVLBDX6QD7WU · pith_short_8: PFPZAVLB

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/PFPZAVLBDX6QD7WUBHBTBNDPNH \
  | 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: 795f9055611dfd01fed409c330b46f69e01d0bfb416a18b7b374ccf908018c2c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ad4922ddfe4030b38c199ae17dc793e3807b0ca0f034c551e17643b612d852c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2020-03-24T12:56:16Z",
    "title_canon_sha256": "af41f3a349b4608e2f5d39addf82353156145c3a8f189ca39e17d941f3753d21"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.10812",
    "kind": "arxiv",
    "version": 2
  }
}