Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links, observed 2026-08-02T02:50:25.799020Z
Paper Citation Record · LEDGER
As of 9 August 2026, this Paper Citation Record lists 56 of 56 outbound references and 0 inbound Pith citation observations for arXiv:2607.14231.
A citation records a reference. It does not transfer a finding from one paper to another.
Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links, observed 2026-08-02T02:50:25.799020Z
One-hop event checks from named stored sources.
Source: scholarly_work_events, retraction_status_cache, observed 2026-08-09T06:31:02.800959+00:00
Pith citing papers itemized under the disclosed page cap.
Source: paper_references, paper_reference_links
A source-named dated measurement, never combined with another source.
Source: cited_works
56 of 56 outbound references displayed
External citation measurements
No source-named external measurement is stored.
Observation 2c7bb227-ad1a-49b2-a9bd-d509e63e94f4 · outbound
A Compass on the Quantum State Sphere: The Hopf Ansatz for Arbitrary Pure-State Optimization Peruzzo, J
Reference 1
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 2aed50e6-002f-4502-858c-61ee9dc9df44 · outbound
A Compass on the Quantum State Sphere: The Hopf Ansatz for Arbitrary Pure-State Optimization Cerezo, A
Reference 3
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 13603ef7-e727-46df-9271-395d4b72a36f · outbound
A Compass on the Quantum State Sphere: The Hopf Ansatz for Arbitrary Pure-State Optimization Koczor, S
Reference 4
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation b27a0310-9217-4784-b5c6-eaf1c6008c58 · outbound
A Compass on the Quantum State Sphere: The Hopf Ansatz for Arbitrary Pure-State Optimization Unresolved cited work
Reference 6
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 192db68f-698b-4f06-bb10-082d1e5124a0 · outbound
A Compass on the Quantum State Sphere: The Hopf Ansatz for Arbitrary Pure-State Optimization Kaubruegger, A
Reference 7
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 4ffc826d-2708-44c1-90d8-ae9ee85553d4 · outbound
A Compass on the Quantum State Sphere: The Hopf Ansatz for Arbitrary Pure-State Optimization Optimal Multiparameter Metrology: The Quantum Compass Solution
Reference 8
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation ca59947e-6650-4da5-860c-cc800ea695b2 · outbound
A Compass on the Quantum State Sphere: The Hopf Ansatz for Arbitrary Pure-State Optimization Unresolved cited work
Reference 9
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.
Observation bef4b456-8ecc-4585-9cb8-4233cbd50287 · outbound
A Compass on the Quantum State Sphere: The Hopf Ansatz for Arbitrary Pure-State Optimization MacLellan, P
Reference 10
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.
Observation ea4d6808-b501-4ebd-9005-16dfee670033 · outbound
A Compass on the Quantum State Sphere: The Hopf Ansatz for Arbitrary Pure-State Optimization Approximation by Quantum Circuits
Reference 11
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 562170a9-4bca-4ef3-825f-255100eb5cb0 · outbound
A Compass on the Quantum State Sphere: The Hopf Ansatz for Arbitrary Pure-State Optimization Unresolved cited work
Reference 12
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 26ca48c4-a0a3-4a2b-83f8-8641aa1cdd15 · outbound
A Compass on the Quantum State Sphere: The Hopf Ansatz for Arbitrary Pure-State Optimization Transformation of quantum states using uniformly controlled rotations
Reference 13
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation c062e6d6-7eab-4d08-965f-840fcc129863 · outbound
A Compass on the Quantum State Sphere: The Hopf Ansatz for Arbitrary Pure-State Optimization Plesch and ˇC
Reference 14
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation cba1fd6b-3a0b-4bd1-aefe-743c344f8f6d · outbound
A Compass on the Quantum State Sphere: The Hopf Ansatz for Arbitrary Pure-State Optimization Zhang, T
Reference 15
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 4099fc90-4c47-4f2b-b0bb-64f95220527c · outbound
A Compass on the Quantum State Sphere: The Hopf Ansatz for Arbitrary Pure-State Optimization Unresolved cited work
Reference 16
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 9c33f36b-2340-436b-91b4-52847c279f28 · outbound
A Compass on the Quantum State Sphere: The Hopf Ansatz for Arbitrary Pure-State Optimization Unresolved cited work
Reference 17
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.
Observation 49c8950f-4d2c-4456-aadf-4129ad809b9a · outbound
A Compass on the Quantum State Sphere: The Hopf Ansatz for Arbitrary Pure-State Optimization Schuld, R
Reference 18
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 73a298a5-748c-4544-a36f-760521251a71 · outbound
A Compass on the Quantum State Sphere: The Hopf Ansatz for Arbitrary Pure-State Optimization Unresolved cited work
Reference 19
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 10600da3-65e4-4624-ab70-aa0757546d9f · outbound
A Compass on the Quantum State Sphere: The Hopf Ansatz for Arbitrary Pure-State Optimization Unresolved cited work
Reference 20
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation b1ca4b46-5749-4a45-b3ad-47598300a4c0 · outbound
A Compass on the Quantum State Sphere: The Hopf Ansatz for Arbitrary Pure-State Optimization Unresolved cited work
Reference 21
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.
Observation 8aa548a5-1fe2-4c44-9386-830484f0a802 · outbound
A Compass on the Quantum State Sphere: The Hopf Ansatz for Arbitrary Pure-State Optimization Sch¨ obel, SIGMA
Reference 22
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 699c4909-b949-497f-bc14-a993efa127d6 · outbound
A Compass on the Quantum State Sphere: The Hopf Ansatz for Arbitrary Pure-State Optimization Stokes, J
Reference 23
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation dd6c12d9-9335-4654-9226-ca1cfb2d3a89 · outbound
A Compass on the Quantum State Sphere: The Hopf Ansatz for Arbitrary Pure-State Optimization Unresolved cited work
Reference 24
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation ea723a18-8b2d-4348-8766-58b780624f07 · outbound
A Compass on the Quantum State Sphere: The Hopf Ansatz for Arbitrary Pure-State Optimization Schuld, V
Reference 25
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation cb840ecc-07a8-4f31-b859-50f0fb0fd7a7 · outbound
A Compass on the Quantum State Sphere: The Hopf Ansatz for Arbitrary Pure-State Optimization Banchi and G
Reference 26
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 9383f3d9-ef6b-405e-b426-23fc419009a8 · outbound
A Compass on the Quantum State Sphere: The Hopf Ansatz for Arbitrary Pure-State Optimization Wierichs, J
Reference 27
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 2d4f6a44-e4f2-4745-8340-f09e4a57b408 · outbound
A Compass on the Quantum State Sphere: The Hopf Ansatz for Arbitrary Pure-State Optimization Abbas, R
Reference 28
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 8f926875-8b7e-4c7d-92aa-afcecdb4d349 · outbound
A Compass on the Quantum State Sphere: The Hopf Ansatz for Arbitrary Pure-State Optimization Bowles, D
Reference 29
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.
Observation f4bca008-a3a9-4616-a59b-8a7b3b64379b · outbound
A Compass on the Quantum State Sphere: The Hopf Ansatz for Arbitrary Pure-State Optimization Coyle, S
Reference 30
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.
Observation 529cc9f6-3c55-4405-9989-88dd133ca954 · outbound
A Compass on the Quantum State Sphere: The Hopf Ansatz for Arbitrary Pure-State Optimization Chinzei, S
Reference 31
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 6c2fb2a3-bce9-4301-a0a7-39196dd1d870 · outbound
A Compass on the Quantum State Sphere: The Hopf Ansatz for Arbitrary Pure-State Optimization Unresolved cited work
Reference 32
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation dc88f3a6-7ef4-459c-8ce1-f9a434ccfada · outbound
A Compass on the Quantum State Sphere: The Hopf Ansatz for Arbitrary Pure-State Optimization Unresolved cited work
Reference 33
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 3a5f208a-b92b-44a2-a026-f7670bdd7144 · outbound
A Compass on the Quantum State Sphere: The Hopf Ansatz for Arbitrary Pure-State Optimization Giovannetti, S
Reference 34
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 07ccfef5-a857-46c4-be48-b2b2acc1da1f · outbound
A Compass on the Quantum State Sphere: The Hopf Ansatz for Arbitrary Pure-State Optimization Unresolved cited work
Reference 35
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation ff3efbef-5894-40d7-ab0a-e29c08a1f0bc · outbound
A Compass on the Quantum State Sphere: The Hopf Ansatz for Arbitrary Pure-State Optimization Pezz` e, A
Reference 36
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 15892a54-209e-4791-9ce9-c3487c52a2b7 · outbound
A Compass on the Quantum State Sphere: The Hopf Ansatz for Arbitrary Pure-State Optimization Unresolved cited work
Reference 37
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 7aecdb64-7ddf-445e-b734-bb4c0c1df4bc · outbound
A Compass on the Quantum State Sphere: The Hopf Ansatz for Arbitrary Pure-State Optimization Barzilai and J
Reference 38
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 7421dbe8-f485-46e1-b662-caaf14623cbd · outbound
A Compass on the Quantum State Sphere: The Hopf Ansatz for Arbitrary Pure-State Optimization Unresolved cited work
Reference 39
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 69b937a1-b97f-4746-b010-63ee35ee99ec · outbound
A Compass on the Quantum State Sphere: The Hopf Ansatz for Arbitrary Pure-State Optimization Absil, R
Reference 40
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 8e4253f6-973b-4308-a834-864d154657fa · outbound
A Compass on the Quantum State Sphere: The Hopf Ansatz for Arbitrary Pure-State Optimization Adam: A Method for Stochastic Optimization
Reference 41
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 475c7590-f0a4-4291-9d84-cab00db989f6 · outbound
A Compass on the Quantum State Sphere: The Hopf Ansatz for Arbitrary Pure-State Optimization Bae and L.-C
Reference 42
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation d898224e-d64d-4ccb-884c-88804468f3a3 · outbound
A Compass on the Quantum State Sphere: The Hopf Ansatz for Arbitrary Pure-State Optimization Subramanian and S
Reference 43
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.
Observation 73ae941a-43f1-4f00-b448-22eb49f0f732 · outbound
A Compass on the Quantum State Sphere: The Hopf Ansatz for Arbitrary Pure-State Optimization Kaubruegger, P
Reference 44
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 9c0ab223-06d7-4e2b-ac99-204f67cdd56d · outbound
A Compass on the Quantum State Sphere: The Hopf Ansatz for Arbitrary Pure-State Optimization Unresolved cited work
Reference 45
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.
Observation 3e3f16e1-3997-4ff2-9b4e-451796a9c307 · outbound
A Compass on the Quantum State Sphere: The Hopf Ansatz for Arbitrary Pure-State Optimization Rabitz, R
Reference 46
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.
Observation b0af331f-b3f7-4509-99fa-99b2401bf182 · outbound
A Compass on the Quantum State Sphere: The Hopf Ansatz for Arbitrary Pure-State Optimization Unresolved cited work
Reference 47
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 0718f576-0817-4920-b657-856edda7466c · outbound
A Compass on the Quantum State Sphere: The Hopf Ansatz for Arbitrary Pure-State Optimization Khatri, R
Reference 48
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.
Observation 2c23d6a8-063c-438f-a175-bbec26a238a1 · outbound
A Compass on the Quantum State Sphere: The Hopf Ansatz for Arbitrary Pure-State Optimization Lin and G
Reference 49
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 2beadd79-9124-4561-91e4-71d8657fac3a · outbound
A Compass on the Quantum State Sphere: The Hopf Ansatz for Arbitrary Pure-State Optimization Efthymiou, S
Reference 50
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation d5a55e6b-b769-4939-a751-fd731f5faf70 · outbound
A Compass on the Quantum State Sphere: The Hopf Ansatz for Arbitrary Pure-State Optimization Barenco, C
Reference 51
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 20426645-c404-4d68-a45c-7570dadb2b4f · outbound
A Compass on the Quantum State Sphere: The Hopf Ansatz for Arbitrary Pure-State Optimization On the CNOT-cost of TOFFOLI gates
Reference 52
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation af3dff5f-1f3f-4cb5-b65c-3b95b2f740ea · outbound
A Compass on the Quantum State Sphere: The Hopf Ansatz for Arbitrary Pure-State Optimization Unresolved cited work
Reference 53
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 419609c6-b561-4e4c-93cf-80dcc0f8bdc6 · outbound
A Compass on the Quantum State Sphere: The Hopf Ansatz for Arbitrary Pure-State Optimization Wilkens, Quantum Circuit Library (2023)
Reference 54
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 70f0b13a-f413-475f-9c2b-98837b0ada42 · outbound
A Compass on the Quantum State Sphere: The Hopf Ansatz for Arbitrary Pure-State Optimization Dai and Y
Reference 55
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.
Observation f4502193-ea5b-4d0f-88da-755c9112f1f2 · outbound
A Compass on the Quantum State Sphere: The Hopf Ansatz for Arbitrary Pure-State Optimization Unresolved cited work
Reference 56
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation c06d730b-2532-43e0-903f-b901d2d56fc8 · outbound
A Compass on the Quantum State Sphere: The Hopf Ansatz for Arbitrary Pure-State Optimization For an internal nodej, the real metric entryg R j,j is the squared amplitude weight accumulated along the path from the root to the parent ofj
Reference 57
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation f1195546-7e1c-4eab-bc58-6d8dea8f1386 · outbound
A Compass on the Quantum State Sphere: The Hopf Ansatz for Arbitrary Pure-State Optimization Inside the subtree, the same trigonometric shift at nodeiproduces the same linear combination (E5), now with the correct inherited leaf phases
Reference 58
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
No inbound Pith citation observations are available.