Pith Number

pith:ZKEY7XV4

pith:2010:ZKEY7XV44UJ32LV6BJ2LDZCDFT

not attested not anchored not stored refs pending

Interaction-based quantum metrology showing scaling beyond the Heisenberg limit

B. Dubost, M. Koschorreck, M. Napolitano, M. W. Mitchell, N. Behbood, R. J. Sewell

arxiv:1012.5787 v1 · 2010-12-28 · quant-ph · physics.atom-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{ZKEY7XV44UJ32LV6BJ2LDZCDFT}

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.

Cited by

1 paper in Pith

Super-Heisenberg protocol for dark matter and high-frequency gravitational wave search

Receipt and verification

First computed	2026-05-18T04:00:59.917427Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ca898fdebce513bd2ebe0a74b1e4432cddba7333f756d70b8acd954baea54cd2

Aliases

arxiv: 1012.5787 · arxiv_version: 1012.5787v1 · doi: 10.48550/arxiv.1012.5787 · pith_short_12: ZKEY7XV44UJ3 · pith_short_16: ZKEY7XV44UJ32LV6 · pith_short_8: ZKEY7XV4

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/ZKEY7XV44UJ32LV6BJ2LDZCDFT \
  | 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: ca898fdebce513bd2ebe0a74b1e4432cddba7333f756d70b8acd954baea54cd2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e89c2d78d5a283e4d17446c1df396a2ea523c773137ae7865a847adda1a66356",
    "cross_cats_sorted": [
      "physics.atom-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-12-28T16:14:22Z",
    "title_canon_sha256": "8f3668409a53bceb5a1bf134190022a7feb0c734b72b588a865f4ab5e10efa98"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.5787",
    "kind": "arxiv",
    "version": 1
  }
}