Pith Number

pith:ECFDNQJM

pith:2010:ECFDNQJMMBGQMZQGYWVPM2Q4IX

not attested not anchored not stored refs pending

Measuring nanomechanical motion with an imprecision far below the standard quantum limit

E. Gavartin, E. M. Weig, G. Anetsberger, J. P. Kotthaus, M. L. Gorodetsky, O. Arcizet, Q. P. Unterreithmeier, T. J. Kippenberg

arxiv:1003.3752 v1 · 2010-03-19 · quant-ph · cond-mat.mes-hall

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ECFDNQJMMBGQMZQGYWVPM2Q4IX}

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	2026-05-18T02:08:25.467948Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

208a36c12c604d066606c5aaf66a1c45c73b6b04e3c6374b4b397976242f4b36

Aliases

arxiv: 1003.3752 · arxiv_version: 1003.3752v1 · doi: 10.48550/arxiv.1003.3752 · pith_short_12: ECFDNQJMMBGQ · pith_short_16: ECFDNQJMMBGQMZQG · pith_short_8: ECFDNQJM

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/ECFDNQJMMBGQMZQGYWVPM2Q4IX \
  | 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: 208a36c12c604d066606c5aaf66a1c45c73b6b04e3c6374b4b397976242f4b36

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0fae73782cc1efed347ebc57d589002303d86751d04b238eac7145cfc08d8236",
    "cross_cats_sorted": [
      "cond-mat.mes-hall"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-03-19T09:25:45Z",
    "title_canon_sha256": "06c1c8eb3d94113b6a3c12e4b3a5dd88d545631cf78055b2faeef7e726377fef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.3752",
    "kind": "arxiv",
    "version": 1
  }
}