Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links, observed 2026-08-08T04:32:13.514103Z
Paper Citation Record · LEDGER
As of 10 August 2026, this Paper Citation Record lists 46 of 46 outbound references and 0 inbound Pith citation observations for arXiv:2502.08612.
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 2026-08-08T04:32:13.514103Z
One-hop event checks from named stored sources.
Source: scholarly_work_events, retraction_status_cache, observed 2026-08-10T06:31:04.303077+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
46 of 46 outbound references displayed
External citation measurements
No source-named external measurement is stored.
Observation 2e2fb4fc-8dec-4ab1-aa80-54bdc726f207 · outbound
Continuous Cardiac Arrest Prediction in ICU using PPG Foundation Model On the analysis of fingertip photoplethysmogram signals
Reference 1
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.
Observation 754ea836-aef7-494d-9b17-67d048f76a90 · outbound
Continuous Cardiac Arrest Prediction in ICU using PPG Foundation Model Wrist photoplethysmography signal quality assessment for reliable heart rate estimate and morphological analysis
Reference 2
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.
Observation d89a802b-b5bc-4ca8-9267-bf21de5c280c · outbound
Continuous Cardiac Arrest Prediction in ICU using PPG Foundation Model Highly wearable cuff- less blood pressure and heart rate monitoring with single-arm electro- cardiogram and photoplethysmogram signals
Reference 3
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.
Observation b0a8d0b2-9dfa-4d05-9884-de0c1e82f47a · outbound
Continuous Cardiac Arrest Prediction in ICU using PPG Foundation Model Adapting a generative pretrained transformer achieves sota performance in assessing diverse physiological functions using only photoplethysmography signals: A gpt-ppg approach
Reference 4
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.
Observation d7724552-9811-4400-b845-513eb2e6258d · outbound
Continuous Cardiac Arrest Prediction in ICU using PPG Foundation Model PaPaGei: Open Foundation Models for Optical Physiological Signals
Reference 5
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation ac3f34d0-183b-4372-a15e-565aa473d247 · outbound
Continuous Cardiac Arrest Prediction in ICU using PPG Foundation Model Large-scale Training of Foundation Models for Wearable Biosignals
Reference 6
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation dc93a370-723c-41e3-9d8d-42ce163e942d · outbound
Continuous Cardiac Arrest Prediction in ICU using PPG Foundation Model Signal quality assessment of ppg signals using stft time-frequency spectra and deep learning approaches
Reference 7
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.
Observation 614ebf2e-bbf5-4bb0-a028-11fef15ea330 · outbound
Continuous Cardiac Arrest Prediction in ICU using PPG Foundation Model Detecting cardiac states with wearable photoplethysmograms and implications for out-of-hospital cardiac arrest detection
Reference 8
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.
Observation 1ee885f8-4a42-45d9-9b00-c7b94d21b159 · outbound
Continuous Cardiac Arrest Prediction in ICU using PPG Foundation Model Estimation of aortic stiffness by finger photoplethys- mography using enhanced pulse wave analysis and machine learning
Reference 9
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.
Observation 823fe52f-8df6-4da9-98df-d42b9aa442cc · outbound
Continuous Cardiac Arrest Prediction in ICU using PPG Foundation Model Biometric au- thentication using the ppg: A long-term feasibility study
Reference 10
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.
Observation bfc793c8-f1dc-4575-acef-048b5f736c6f · outbound
Continuous Cardiac Arrest Prediction in ICU using PPG Foundation Model A review of heartbeat detection systems for automotive applications
Reference 11
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.
Observation cca1690c-fc3f-4d59-801a-9b93e1f4bcd6 · outbound
Continuous Cardiac Arrest Prediction in ICU using PPG Foundation Model Rehabilitation assessment system for stroke patients based on fusion-type optoelectronic plethysmography device and multi- modality fusion model: Design and validation
Reference 12
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.
Observation f24fe56b-1754-49bc-b3ea-082975aea23c · outbound
Continuous Cardiac Arrest Prediction in ICU using PPG Foundation Model Unresolved cited work
Reference 13
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.
Observation 1b9d86ea-b0c8-472c-baa4-f66e055b3bb6 · outbound
Continuous Cardiac Arrest Prediction in ICU using PPG Foundation Model Usefulness of trends in continuous elec- trocardiographic telemetry monitoring to predict in-hospital cardiac arrest
Reference 14
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.
Observation 4db8b392-34c2-4ccc-bd75-57c4731073bf · outbound
Continuous Cardiac Arrest Prediction in ICU using PPG Foundation Model A preliminary study of continuous signals in predictive modeling of cardiac arrest in pediatric icu pa- tients using electrocardiography and photoplethysmography analytics
Reference 15
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.
Observation f4d01747-da63-422a-a76a-d5607a91385b · outbound
Continuous Cardiac Arrest Prediction in ICU using PPG Foundation Model Early detection of sepsis utilizing deep learning on electronic health record event sequences
Reference 16
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.
Observation 6050b964-189d-456b-99a0-6f11c54f32c6 · outbound
Continuous Cardiac Arrest Prediction in ICU using PPG Foundation Model Automated myocardial infarction and angina detection using second derivative of photoplethysmography
Reference 17
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.
Observation e8995148-81db-441c-bc11-8654cd323f87 · outbound
Continuous Cardiac Arrest Prediction in ICU using PPG Foundation Model An algorithm strategy for precise patient monitoring in a connected healthcare enterprise
Reference 18
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.
Observation 0bcdafa3-dbcf-4a3e-b6e8-dccfdbd93d32 · outbound
Continuous Cardiac Arrest Prediction in ICU using PPG Foundation Model Insights into the problem of alarm fatigue with physiologic monitor devices: a comprehensive observational study of consecutive intensive care unit patients
Reference 19
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.
Observation eae0e9dd-38f8-47ac-a9d4-bc16f50ecc4d · outbound
Continuous Cardiac Arrest Prediction in ICU using PPG Foundation Model Predictive combinations of monitor alarms preceding in-hospital code blue events
Reference 20
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.
Observation 195be689-35cf-438c-83f4-0e2354d430ee · outbound
Continuous Cardiac Arrest Prediction in ICU using PPG Foundation Model Validating the electronic cardiac arrest risk triage (ecart) score for risk stratification of surgical inpatients in the postoperative setting: retrospective cohort study
Reference 21
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.
Observation c27bcbdc-50c7-4de3-a6eb-0157950c8b3f · outbound
Continuous Cardiac Arrest Prediction in ICU using PPG Foundation Model Modified early warning score vs cardiac arrest risk triage score for prediction of cardiopulmonary arrest: A case–control study
Reference 22
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.
Observation 10bad2da-d1ee-45ae-9a9a-03fc0152f9cf · outbound
Continuous Cardiac Arrest Prediction in ICU using PPG Foundation Model Unresolved cited work
Reference 23
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.
Observation 7800e4e5-91f0-4ac4-ba36-5b126316e813 · outbound
Continuous Cardiac Arrest Prediction in ICU using PPG Foundation Model Artificial intelligence algorithm for predicting cardiac arrest using electrocardiography
Reference 24
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.
Observation 3068132f-c145-4850-9043-bb34dd194f0c · outbound
Continuous Cardiac Arrest Prediction in ICU using PPG Foundation Model Real-time machine learning model to predict in-hospital cardiac arrest using heart rate variability in icu
Reference 25
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.
Observation 8c78bcc0-63ea-43f9-8007-0c34e9a9c1a8 · outbound
Continuous Cardiac Arrest Prediction in ICU using PPG Foundation Model Prediction of cardiac arrest in critically ill patients based on bedside vital signs monitoring
Reference 26
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.
Observation 2ed744bc-fc20-4fd2-83ea-bebaf4450030 · outbound
Continuous Cardiac Arrest Prediction in ICU using PPG Foundation Model Prediction of in-hospital cardiac arrest in the intensive care unit: Machine learning–based multimodal approach
Reference 27
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.
Observation 3bed9ebf-9c6e-4720-9d6c-fc441aa9f7c7 · outbound
Continuous Cardiac Arrest Prediction in ICU using PPG Foundation Model Abstract 4136643: Automated cardiac arrest detection using a photoplethysmography wristband: Evaluation of the time to detection of the circulatory arrest event
Reference 28
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.
Observation 06a01b2f-f72d-4468-9540-96c1083a32a5 · outbound
Continuous Cardiac Arrest Prediction in ICU using PPG Foundation Model Assessment of vasoactive agents and vascular aging by the second derivative of photoplethysmogram waveform
Reference 29
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.
Observation fc23b20c-e9e1-4d29-8e6a-8787ea9a8338 · outbound
Continuous Cardiac Arrest Prediction in ICU using PPG Foundation Model Features from the pho- toplethysmogram and the electrocardiogram for estimating changes in blood pressure
Reference 30
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.
Observation 90937769-b19c-4b01-a9b3-da8b335ac0ea · outbound
Continuous Cardiac Arrest Prediction in ICU using PPG Foundation Model Foundation models for physiological data, how to develop them, and what to expect of them
Reference 31
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.
Observation 2a49f1c1-4890-461a-8264-f7d0906c0d12 · outbound
Continuous Cardiac Arrest Prediction in ICU using PPG Foundation Model Siamquality: a convnet-based foundation model for photoplethysmography signals
Reference 32
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.
Observation bff79f66-05f6-49c1-b9ef-e1283f2feb2c · outbound
Continuous Cardiac Arrest Prediction in ICU using PPG Foundation Model Universal pooling method of multi-layer features from pretrained models for speaker verification
Reference 33
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 3a53de82-3637-4693-bc51-74e92c14b013 · outbound
Continuous Cardiac Arrest Prediction in ICU using PPG Foundation Model Attention is all you need
Reference 34
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation ce6418c8-342a-4774-80fa-90ad97a72258 · outbound
Continuous Cardiac Arrest Prediction in ICU using PPG Foundation Model Flashattention: Fast and memory-efficient exact attention with io- awareness
Reference 35
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.
Observation cdd62aca-ce8a-408b-ba45-1083e824e81e · outbound
Continuous Cardiac Arrest Prediction in ICU using PPG Foundation Model Long short-term memory
Reference 36
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.
Observation 463e12e1-581b-44be-b94c-c58246420ff4 · outbound
Continuous Cardiac Arrest Prediction in ICU using PPG Foundation Model Mamba: Linear-Time Sequence Modeling with Selective State Spaces
Reference 37
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation d93cdb52-8b76-4168-a696-c99eee882dc6 · outbound
Continuous Cardiac Arrest Prediction in ICU using PPG Foundation Model xLSTM: Extended Long Short-Term Memory
Reference 38
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 3cb2b0ea-1576-4942-8bdb-fdd57e91709a · outbound
Continuous Cardiac Arrest Prediction in ICU using PPG Foundation Model Mimic-iv, a freely accessible electronic health record dataset
Reference 39
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 84a99bba-4089-447d-9643-2a056cac308e · outbound
Continuous Cardiac Arrest Prediction in ICU using PPG Foundation Model Understanding how dimension reduction tools work: an empirical approach to deciphering t-sne, umap, trimap, and pacmap for data visualization
Reference 40
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.
Observation 1d5fea28-3630-413c-ab4e-69a44faacbca · outbound
Continuous Cardiac Arrest Prediction in ICU using PPG Foundation Model pyppg: A python toolbox for comprehensive photoplethysmography signal analysis
Reference 41
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.
Observation 073a7acf-1bb7-471c-953e-9a2431184c4a · outbound
Continuous Cardiac Arrest Prediction in ICU using PPG Foundation Model MARS: Unleashing the Power of Variance Reduction for Training Large Models
Reference 42
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 7fbf9298-c1d9-4ab7-94f6-0821c66331f0 · outbound
Continuous Cardiac Arrest Prediction in ICU using PPG Foundation Model Development of a real-time risk prediction model for in-hospital cardiac arrest in critically ill patients using deep learning: retrospective study
Reference 43
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.
Observation 3e16085d-7e2f-4c99-be65-45d6dfd222df · outbound
Continuous Cardiac Arrest Prediction in ICU using PPG Foundation Model Cumulative time series representation for code blue prediction in the intensive care unit
Reference 44
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.
Observation f9531dd0-e05f-471b-a064-a37bad006876 · outbound
Continuous Cardiac Arrest Prediction in ICU using PPG Foundation Model Explainable artificial intelligence warning model using an ensemble approach for in-hospital cardiac arrest prediction: Retrospective cohort study
Reference 45
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.
Observation a20f401d-cbd1-4add-a110-1547789852b8 · outbound
Continuous Cardiac Arrest Prediction in ICU using PPG Foundation Model Generalizability of superalarm via cross-institutional performance evaluation
Reference 46
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.
No inbound Pith citation observations are available.