Pith Number

pith:VT3BMXKN

pith:2025:VT3BMXKNBVRI2IGXMLXMXCT2YD

not attested not anchored not stored refs pending

Heisenberg limited multiple eigenvalue estimation via off-the-grid compressed sensing

Davide Castaldo, Stefano Corni

arxiv:2507.12438 v1 · 2025-07-16 · 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{VT3BMXKNBVRI2IGXMLXMXCT2YD}

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

2 papers in Pith

Quantum Filtering and Analysis of Multiplicities in Eigenvalue Spectra

Low-depth amplitude estimation via statistical eigengap estimation

Receipt and verification

First computed	2026-07-05T11:38:20.211910Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

acf6165d4d0d628d20d762eecb8a7ac0f63067646b85305f16da6e2173303ad4

Aliases

arxiv: 2507.12438 · arxiv_version: 2507.12438v1 · doi: 10.48550/arxiv.2507.12438 · pith_short_12: VT3BMXKNBVRI · pith_short_16: VT3BMXKNBVRI2IGX · pith_short_8: VT3BMXKN

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/VT3BMXKNBVRI2IGXMLXMXCT2YD \
  | 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: acf6165d4d0d628d20d762eecb8a7ac0f63067646b85305f16da6e2173303ad4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b9a12ae613d6cbca68c0052711211ea21ecbd2b68427486c0cb6667abee8d59f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-07-16T17:27:01Z",
    "title_canon_sha256": "15e42effe0edf7d8f0924e4f3b28746776a3dd5871d98aad9d245f038edcdd25"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.12438",
    "kind": "arxiv",
    "version": 1
  }
}