Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links, observed 2026-05-08T13:03:46.569896Z
Paper Citation Record · LEDGER
As of 4 August 2026, this Paper Citation Record lists 41 of 41 outbound references and 0 inbound Pith citation observations for arXiv:2604.21747.
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 2026-05-08T13:03:46.569896Z
One-hop event checks from named stored sources.
Source: scholarly_work_events, retraction_status_cache, observed 2026-08-04T06:34:03.388597+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
41 of 41 outbound references displayed
External citation measurements
No source-named external measurement is stored.
Observation 02850ca7-e1c4-47b6-abed-714d8a12ee5a · outbound
OptoCENTAL: a standardised, bench-testing platform based on phantoms for validating optical systems aimed at clinical monitoring of the placenta Placental findings in singleton stillbirths
Reference 1
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-04T06:34:03.388597+00:00.
Observation 9777a922-ae1c-4d92-9ea4-4b856c83ab4f · outbound
OptoCENTAL: a standardised, bench-testing platform based on phantoms for validating optical systems aimed at clinical monitoring of the placenta The placenta is the center of the chronic disease universe
Reference 2
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-04T06:34:03.388597+00:00.
Observation ec101e1f-57dc-42ae-8e3d-cd50ab8375ae · outbound
OptoCENTAL: a standardised, bench-testing platform based on phantoms for validating optical systems aimed at clinical monitoring of the placenta Pregnancy Complications, Correlation With Placental Pathology and Neonatal Outcomes
Reference 3
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-04T06:34:03.388597+00:00.
Observation 82f8d629-d479-4fac-aea9-a997bb313cd2 · outbound
OptoCENTAL: a standardised, bench-testing platform based on phantoms for validating optical systems aimed at clinical monitoring of the placenta MAESTROS II, a multispectral Time-Domain NIRS system for non-invasive placental monitoring
Reference 4
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-04T06:34:03.388597+00:00.
Observation 75291653-249c-40c3-91bf-709f2067bfd1 · outbound
OptoCENTAL: a standardised, bench-testing platform based on phantoms for validating optical systems aimed at clinical monitoring of the placenta Measurement of placental oxygenation by transabdominal near-infrared spectroscopy
Reference 5
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-04T06:34:03.388597+00:00.
Observation 306b9596-c812-49e2-ba3f-7d2aa13a051f · outbound
OptoCENTAL: a standardised, bench-testing platform based on phantoms for validating optical systems aimed at clinical monitoring of the placenta Noninvasive monitoring of placental oxygenation by near-infrared spec- troscopy
Reference 6
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-04T06:34:03.388597+00:00.
Observation fbab634d-326f-44b1-8d21-cea7e513dcc8 · outbound
OptoCENTAL: a standardised, bench-testing platform based on phantoms for validating optical systems aimed at clinical monitoring of the placenta Evaluation of placental function using near infrared spectroscopy during fetal growth restriction
Reference 7
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-04T06:34:03.388597+00:00.
Observation 0f914f04-2bf5-4462-acac-a1e4a7491f16 · outbound
OptoCENTAL: a standardised, bench-testing platform based on phantoms for validating optical systems aimed at clinical monitoring of the placenta Non-invasive monitoring of blood oxygenation in human placentas via con- current diffuse optical spectroscopy and ultrasound imaging
Reference 8
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-04T06:34:03.388597+00:00.
Observation e6742aca-e0ab-4db1-97df-c7d5942da9bc · outbound
OptoCENTAL: a standardised, bench-testing platform based on phantoms for validating optical systems aimed at clinical monitoring of the placenta A review on continuous wave functional near-infrared spectroscopy and imaging instrumentation and methodology
Reference 9
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-04T06:34:03.388597+00:00.
Observation 94ecd0f9-a7e4-451c-8756-174eb853a86d · outbound
OptoCENTAL: a standardised, bench-testing platform based on phantoms for validating optical systems aimed at clinical monitoring of the placenta A brief review on the history of human functional near-infrared spectroscopy (fNIRS) development and fields of application
Reference 10
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-04T06:34:03.388597+00:00.
Observation 5c19195e-09b7-4890-8aab-4a6724a94f67 · outbound
OptoCENTAL: a standardised, bench-testing platform based on phantoms for validating optical systems aimed at clinical monitoring of the placenta Measurement of placental depth during time domain NIRS using deep learn- ing
Reference 11
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-04T06:34:03.388597+00:00.
Observation 5e468d4c-9952-4033-8ee7-27fd015b0636 · outbound
OptoCENTAL: a standardised, bench-testing platform based on phantoms for validating optical systems aimed at clinical monitoring of the placenta Non-invasive transabdominal measurement of placental oxygenation: a step toward continuous monitoring
Reference 12
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-04T06:34:03.388597+00:00.
Observation a97faffc-0480-43fd-96e1-e91711629e95 · outbound
OptoCENTAL: a standardised, bench-testing platform based on phantoms for validating optical systems aimed at clinical monitoring of the placenta From Jöbsis to the present day: a review of clinical near-infrared spectroscopy measurements of cerebral cytochrome-c-oxidase
Reference 13
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-04T06:34:03.388597+00:00.
Observation 17d1a404-8bc6-4e82-abd7-e5a2a56f4e63 · outbound
OptoCENTAL: a standardised, bench-testing platform based on phantoms for validating optical systems aimed at clinical monitoring of the placenta Measurement of cytochrome oxidase and mitochondrial en- ergetics by near-infrared spectroscopy
Reference 14
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-04T06:34:03.388597+00:00.
Observation 4abc4639-d371-4f0a-b981-c7db8f85c7b5 · outbound
OptoCENTAL: a standardised, bench-testing platform based on phantoms for validating optical systems aimed at clinical monitoring of the placenta Hyperspectral imaging solutions for brain tissue metabolic and hemodynamic monitoring: past, current and future developments
Reference 15
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-04T06:34:03.388597+00:00.
Observation 9de8ff79-d69f-4bf6-8977-d57e9fd238fb · outbound
OptoCENTAL: a standardised, bench-testing platform based on phantoms for validating optical systems aimed at clinical monitoring of the placenta A Wireless and Wearable Multimodal Sensor to Non-Invasively Monitor Transabdominal Placental Oxygen Saturation and Maternal Physiological Signals
Reference 16
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-04T06:34:03.388597+00:00.
Observation a5bb20c1-9001-46d5-aa17-c80e9a2cc062 · outbound
OptoCENTAL: a standardised, bench-testing platform based on phantoms for validating optical systems aimed at clinical monitoring of the placenta The anatomy of the normal placenta
Reference 17
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-04T06:34:03.388597+00:00.
Observation 6d903468-d8f6-4617-bdc1-1040009a5fc4 · outbound
OptoCENTAL: a standardised, bench-testing platform based on phantoms for validating optical systems aimed at clinical monitoring of the placenta Three-dimensional ultrasound evaluation of the placenta
Reference 18
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-04T06:34:03.388597+00:00.
Observation ac27cf15-21ca-4b52-ae3d-d36826048055 · outbound
OptoCENTAL: a standardised, bench-testing platform based on phantoms for validating optical systems aimed at clinical monitoring of the placenta Performance assessment of photon migration instruments: the MEDPHOT protocol
Reference 19
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-04T06:34:03.388597+00:00.
Observation 17650bfb-d715-4f2f-9c21-989c16d11f99 · outbound
OptoCENTAL: a standardised, bench-testing platform based on phantoms for validating optical systems aimed at clinical monitoring of the placenta Performance assessment of time-domain optical brain imagers, part 2: nEUROPt protocol
Reference 20
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-04T06:34:03.388597+00:00.
Observation 9e0a087c-2778-4f7d-85a8-a57cadd8be23 · outbound
OptoCENTAL: a standardised, bench-testing platform based on phantoms for validating optical systems aimed at clinical monitoring of the placenta Review of tissue simulating phantoms for optical spectros- copy, imaging and dosimetry
Reference 21
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-04T06:34:03.388597+00:00.
Observation 3d39d196-a720-4217-b748-2e3bb232e48d · outbound
OptoCENTAL: a standardised, bench-testing platform based on phantoms for validating optical systems aimed at clinical monitoring of the placenta Criteria for the design of tissue-mimicking phantoms for the standardization of biophotonic instrumentation
Reference 22
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-04T06:34:03.388597+00:00.
Observation 9601d6c4-75a4-4d7b-8958-8cec6438ad66 · outbound
OptoCENTAL: a standardised, bench-testing platform based on phantoms for validating optical systems aimed at clinical monitoring of the placenta Utilizing Optical Phantoms for Biomedical-optics Technology: Recent Advances and Challenges
Reference 23
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-04T06:34:03.388597+00:00.
Observation d650dd53-6d3a-4a09-8873-777475122062 · outbound
OptoCENTAL: a standardised, bench-testing platform based on phantoms for validating optical systems aimed at clinical monitoring of the placenta Digital instrument simulator to optimize the development of hyperspectral systems: application for intraoperative functional brain mapping
Reference 24
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-04T06:34:03.388597+00:00.
Observation 2e4d23ac-9d19-4e21-9053-f1d9598a0b6a · outbound
OptoCENTAL: a standardised, bench-testing platform based on phantoms for validating optical systems aimed at clinical monitoring of the placenta Monte Carlo Simulation of Photon Migration in 3D Turbid Media Accelerated by Graphics Processing Units
Reference 25
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-04T06:34:03.388597+00:00.
Observation f3519413-5bbd-4389-8e9c-1d3641e852da · outbound
OptoCENTAL: a standardised, bench-testing platform based on phantoms for validating optical systems aimed at clinical monitoring of the placenta holoscan-docs/devkits/clara-agx/clara_agx_user_guide.md at main · nvidia-holoscan/holos- 40 can-docs · GitHub
Reference 26
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-04T06:34:03.388597+00:00.
Observation f2102954-a114-434a-b9ae-3dfb1a78b60c · outbound
OptoCENTAL: a standardised, bench-testing platform based on phantoms for validating optical systems aimed at clinical monitoring of the placenta Optimization of continuous-wave NIRS devices for placental monitoring. A simulation study
Reference 27
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-04T06:34:03.388597+00:00.
Observation d145d59a-37e4-45e9-af60-04503900cefd · outbound
OptoCENTAL: a standardised, bench-testing platform based on phantoms for validating optical systems aimed at clinical monitoring of the placenta Maarten Sap, Saadia Gabriel, Lianhui Qin, Dan Juraf- sky, Noah A
Reference 28
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-04T06:34:03.388597+00:00.
Observation 6c421dea-9e64-4a8b-81ce-65d659bee889 · outbound
OptoCENTAL: a standardised, bench-testing platform based on phantoms for validating optical systems aimed at clinical monitoring of the placenta Optical properties of biological tissues: a review
Reference 29
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-04T06:34:03.388597+00:00.
Observation cad60547-3ee4-490d-aec8-e9d7f325ebb2 · outbound
OptoCENTAL: a standardised, bench-testing platform based on phantoms for validating optical systems aimed at clinical monitoring of the placenta doi:10.4103/tjps.tjps_2_17 , journal =
Reference 30
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-04T06:34:03.388597+00:00.
Observation 0db27256-0926-492a-a447-e243cc866d96 · outbound
OptoCENTAL: a standardised, bench-testing platform based on phantoms for validating optical systems aimed at clinical monitoring of the placenta An improved design for a stable and reproducible phantom material for use in near-infrared spectroscopy and imaging
Reference 32
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-04T06:34:03.388597+00:00.
Observation 9aea1be3-2e92-47a2-8954-49df3469aad2 · outbound
OptoCENTAL: a standardised, bench-testing platform based on phantoms for validating optical systems aimed at clinical monitoring of the placenta MAESTROS: A Multiwavelength Time-Domain NIRS System to Monitor Changes in Oxygenation and Oxidation State of Cytochrome-C-Oxidase
Reference 33
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-04T06:34:03.388597+00:00.
Observation ec26dc67-9097-495b-903c-a69129147318 · outbound
OptoCENTAL: a standardised, bench-testing platform based on phantoms for validating optical systems aimed at clinical monitoring of the placenta A hyperspectral imaging system for mapping haemoglobin and cyto- chrome-c-oxidase concentration changes in the exposed cerebral cortex
Reference 34
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-04T06:34:03.388597+00:00.
Observation 9bf4d72f-ea69-4a6e-ae04-a178faaf44a8 · outbound
OptoCENTAL: a standardised, bench-testing platform based on phantoms for validating optical systems aimed at clinical monitoring of the placenta A Novel Portable and Wearable Broadband Near-Infrared Spectroscopy De- vice for In-Vivo Oxygenation and Metabolism Measurements
Reference 35
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-04T06:34:03.388597+00:00.
Observation 4834c9bb-c736-4143-80fe-3e39b4b70521 · outbound
OptoCENTAL: a standardised, bench-testing platform based on phantoms for validating optical systems aimed at clinical monitoring of the placenta FetalSenseM: A Multi-Wavelength Near-Infrared Spectroscopy Device for In-Vivo Oxygenation and Metabolism Measurements
Reference 36
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-04T06:34:03.388597+00:00.
Observation cc79e6f0-46d8-4b4c-8e1a-4beefc7cd627 · outbound
OptoCENTAL: a standardised, bench-testing platform based on phantoms for validating optical systems aimed at clinical monitoring of the placenta Dealing with Cerenkov radiation generated in organic scintillator dosimeters by bremsstrahlung beams
Reference 37
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-04T06:34:03.388597+00:00.
Observation af7f9986-fe7c-464c-b801-6ee7997db5a1 · outbound
OptoCENTAL: a standardised, bench-testing platform based on phantoms for validating optical systems aimed at clinical monitoring of the placenta Performance comparison of several published tissue near-infrared spec- troscopy algorithms
Reference 38
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-04T06:34:03.388597+00:00.
Observation f90070d5-db43-4ffa-ad4a-596969465b5a · outbound
OptoCENTAL: a standardised, bench-testing platform based on phantoms for validating optical systems aimed at clinical monitoring of the placenta Absolute quantification methods in tissue near-infrared spectroscopy
Reference 39
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-04T06:34:03.388597+00:00.
Observation f1fe7a80-baaa-4d50-9e6d-bdc382b318a9 · outbound
OptoCENTAL: a standardised, bench-testing platform based on phantoms for validating optical systems aimed at clinical monitoring of the placenta Dual-slope method for enhanced depth sensitivity in diffuse optical spectroscopy
Reference 40
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-04T06:34:03.388597+00:00.
Observation 51aad24f-94e8-4fd2-88ad-ef6df16710ee · outbound
OptoCENTAL: a standardised, bench-testing platform based on phantoms for validating optical systems aimed at clinical monitoring of the placenta Direct approach to compute Jacobians for diffuse optical tomography using perturbation Monte Carlo-based photon ‘replay,’
Reference 41
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-04T06:34:03.388597+00:00.
Observation e0f8df38-151b-44ca-8c78-ef8efe4c4735 · outbound
OptoCENTAL: a standardised, bench-testing platform based on phantoms for validating optical systems aimed at clinical monitoring of the placenta Advancements in broadband near-infrared spectroscopy instru-mentation for the assessment of in vivo mitochondrial function: a comparative review and outlook
Reference 42
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-04T06:34:03.388597+00:00.
No inbound Pith citation observations are available.