Pith Number

pith:FFPIQKDN

pith:2025:FFPIQKDNJLY2MKDH52IIBOR5LO

not attested not anchored not stored refs pending

Metrology of Gravitational Effects with Mechanical Quantum Systems

Daniel Braun, Dennis R\"atzel, Hendrik Ulbricht, Marta Maria Marchese, Sofia Qvarfort, Stefan Nimmrichter

arxiv:2501.18274 v1 · 2025-01-30 · 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{FFPIQKDNJLY2MKDH52IIBOR5LO}

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	2026-07-05T10:07:32.040758Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

295e88286d4af1a62867ee9080ba3d5ba09c8d6a75f590fba1978fd69b540617

Aliases

arxiv: 2501.18274 · arxiv_version: 2501.18274v1 · doi: 10.48550/arxiv.2501.18274 · pith_short_12: FFPIQKDNJLY2 · pith_short_16: FFPIQKDNJLY2MKDH · pith_short_8: FFPIQKDN

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/FFPIQKDNJLY2MKDH52IIBOR5LO \
  | 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: 295e88286d4af1a62867ee9080ba3d5ba09c8d6a75f590fba1978fd69b540617

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "353248e76ffc75fde72b669250ae6b269731fcf237af685df210a8d52fe378b9",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-01-30T11:26:27Z",
    "title_canon_sha256": "f5c01b0cfa32209b1874f242756b69612e8269664d6a64bc2d5f27e1921f6b76"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.18274",
    "kind": "arxiv",
    "version": 1
  }
}