Pith Number

pith:2KVH4QBV

pith:2025:2KVH4QBVSJ3ILBQXGGGFZ2FLSC

not attested not anchored not stored refs pending

Noise constraints on sensitivity scaling in super-Heisenberg quantum metrology

John Drew Wilson, Joshua Combes, Murray J. Holland, Noah Lordi

arxiv:2504.03638 v1 · 2025-04-04 · 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{2KVH4QBVSJ3ILBQXGGGFZ2FLSC}

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	2026-07-05T10:44:34.794688Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2aa7e40359276858617318c5ce8ab90a5c7d50d7a7053554195522297876b60

Aliases

arxiv: 2504.03638 · arxiv_version: 2504.03638v1 · doi: 10.48550/arxiv.2504.03638 · pith_short_12: 2KVH4QBVSJ3I · pith_short_16: 2KVH4QBVSJ3ILBQX · pith_short_8: 2KVH4QBV

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/2KVH4QBVSJ3ILBQXGGGFZ2FLSC \
  | 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: d2aa7e40359276858617318c5ce8ab90a5c7d50d7a7053554195522297876b60

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f966f2ca71c681db5d4ba463cf268df2388e75057b66a0042050541c57aa6a8",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-04-04T17:59:04Z",
    "title_canon_sha256": "11fadd7e5b22dd983d47a6dca91b885e3bb8f8f834d79d3b58df417855b2a88a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.03638",
    "kind": "arxiv",
    "version": 1
  }
}