Paper Citation Record · LEDGER

Hybrid Group Relative Policy Optimization: A Multi-Sample Approach to Enhancing Policy Optimization

As of 18 August 2026, this Paper Citation Record lists 14 of 14 outbound references and 7 inbound Pith citation observations for arXiv:2502.01652.

A citation records a reference. It does not transfer a finding from one paper to another.

pith.paper-citation-record.v1
2502.01652 v1

Coverage vector

measured 14 of 14 reference resolution

Typed states for the displayed outbound observations.

Source: paper_references, paper_reference_links, observed 2026-08-09T22:41:04.563390Z

measured 21 of 21 standing notices

One-hop event checks from named stored sources.

Source: scholarly_work_events, retraction_status_cache, observed 2026-08-18T06:34:40.430872+00:00

measured 7 of 7 inbound itemization

Pith citing papers itemized under the disclosed page cap.

Source: paper_references, paper_reference_links, observed 2026-08-15T23:27:27.749182Z

measured 0 of 1 external citation measurements

A source-named dated measurement, never combined with another source.

Source: arxiv_reference, observed 2026-07-01T15:15:47.315708Z

Reference resolution

14 of 14 outbound references displayed

verified exact0
verified fuzzy3
unresolved11
parse uncertain0
malformed identifier0
metadata mismatch0

External citation measurements

No source-named external measurement is stored.

Outbound references

Observation 2127b893-b24d-4cd7-9845-ba120ba0d9b5 · outbound

This paper cites Proximal Policy Optimization Algorithms.

Hybrid Group Relative Policy Optimization: A Multi-Sample Approach to Enhancing Policy Optimization Proximal Policy Optimization Algorithms

Reference 1

Resolution: unresolved; no resolver link, observed 2026-08-09T22:41:04.505966Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 4315583f-a384-4d71-8374-b398ba438e36 · outbound

This paper cites an unresolved cited work.

Hybrid Group Relative Policy Optimization: A Multi-Sample Approach to Enhancing Policy Optimization Unresolved cited work

Reference 2

Resolution: unresolved; raw_fallback, observed 2026-08-09T22:41:04.769450Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation f41338f1-11a4-47c4-86fe-dcc021e27a3a · outbound

This paper cites an unresolved cited work.

Hybrid Group Relative Policy Optimization: A Multi-Sample Approach to Enhancing Policy Optimization Unresolved cited work

Reference 3

Resolution: unresolved; raw_fallback, observed 2026-08-09T22:41:04.758001Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation ad30ddcb-aef3-41bb-9eba-6c4bff633a0f · outbound

This paper cites an unresolved cited work.

Hybrid Group Relative Policy Optimization: A Multi-Sample Approach to Enhancing Policy Optimization Unresolved cited work

Reference 4

Resolution: unresolved; raw_fallback, observed 2026-08-09T22:41:04.746557Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation 13df8e24-49a2-42e7-8a3a-44d7a1a4061d · outbound

This paper cites S., and Barto, A.

Hybrid Group Relative Policy Optimization: A Multi-Sample Approach to Enhancing Policy Optimization S., and Barto, A

Reference 5

Resolution: verified fuzzy; raw_fallback, observed 2026-08-09T22:41:04.733422Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation 1cb49423-ef76-41ad-8d3c-8ad9c65fd9f7 · outbound

This paper cites P., Mirza, M., Graves, A., Lillicrap, T., Harley, T., Silver, D., and Kavukcuoglu, K.

Hybrid Group Relative Policy Optimization: A Multi-Sample Approach to Enhancing Policy Optimization P., Mirza, M., Graves, A., Lillicrap, T., Harley, T., Silver, D., and Kavukcuoglu, K

Reference 6

Resolution: verified fuzzy; raw_fallback, observed 2026-08-09T22:41:04.720319Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation 783b9cbb-85ed-4a2d-b019-7adaabb2421f · outbound

This paper cites Data-efficient Deep Reinforcement Learning for Dexterous Manipulation.

Hybrid Group Relative Policy Optimization: A Multi-Sample Approach to Enhancing Policy Optimization Data-efficient Deep Reinforcement Learning for Dexterous Manipulation

Reference 7

Resolution: unresolved; no resolver link, observed 2026-08-09T22:41:04.533273Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 7ee1b285-6723-4e72-bd28-f54cea488763 · outbound

This paper cites an unresolved cited work.

Hybrid Group Relative Policy Optimization: A Multi-Sample Approach to Enhancing Policy Optimization Unresolved cited work

Reference 8

Resolution: unresolved; raw_fallback, observed 2026-08-09T22:41:04.706050Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation 8c6b52ad-e4cd-47f2-9f56-631f3a6bfdf5 · outbound

This paper cites J., Guez, A., Sifre, L., Driessche, G., Schrittwieser, J., Antonoglou, I., Panneershelvam, V., and Lanctot, M.

Hybrid Group Relative Policy Optimization: A Multi-Sample Approach to Enhancing Policy Optimization J., Guez, A., Sifre, L., Driessche, G., Schrittwieser, J., Antonoglou, I., Panneershelvam, V., and Lanctot, M

Reference 9

Resolution: verified fuzzy; raw_fallback, observed 2026-08-09T22:41:04.691406Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation 24261d01-3c06-479e-8c75-894c1965c93c · outbound

This paper cites Prioritized Experience Replay.

Hybrid Group Relative Policy Optimization: A Multi-Sample Approach to Enhancing Policy Optimization Prioritized Experience Replay

Reference 10

Resolution: unresolved; no resolver link, observed 2026-08-09T22:41:04.546306Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation bd277b80-0b3e-4913-8454-2c925ba2ef64 · outbound

This paper cites an unresolved cited work.

Hybrid Group Relative Policy Optimization: A Multi-Sample Approach to Enhancing Policy Optimization Unresolved cited work

Reference 11

Resolution: unresolved; raw_fallback, observed 2026-08-09T22:41:04.677455Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation 207a0b77-7332-495e-808f-eba08502c127 · outbound

This paper cites an unresolved cited work.

Hybrid Group Relative Policy Optimization: A Multi-Sample Approach to Enhancing Policy Optimization Unresolved cited work

Reference 12

Resolution: unresolved; raw_fallback, observed 2026-08-09T22:41:04.664529Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation e196a6eb-6410-4ef2-a40a-bba0f60594b4 · outbound

This paper cites an unresolved cited work.

Hybrid Group Relative Policy Optimization: A Multi-Sample Approach to Enhancing Policy Optimization Unresolved cited work

Reference 13

Resolution: unresolved; raw_fallback, observed 2026-08-09T22:41:04.651156Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation 5681b994-1d1f-44fc-b216-b4d54bab2baa · outbound

This paper cites an unresolved cited work.

Hybrid Group Relative Policy Optimization: A Multi-Sample Approach to Enhancing Policy Optimization Unresolved cited work

Reference 14

Resolution: unresolved; raw_fallback, observed 2026-08-09T22:41:04.637523Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Pith citing papers

Observation 5f052796-5804-430d-a8eb-bd3a3f2c2dcb · inbound

EchoInk-R1: Exploring Audio-Visual Reasoning in Multimodal LLMs via Reinforcement Learning cites this paper.

EchoInk-R1: Exploring Audio-Visual Reasoning in Multimodal LLMs via Reinforcement Learning Hybrid Group Relative Policy Optimization: A Multi-Sample Approach to Enhancing Policy Optimization

Reference 21

Resolution: unresolved; no resolver link, observed 2026-08-15T23:27:27.749182Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation ae8c1636-467b-47d2-9de2-31f898d0f24a · inbound

AM-PPO: (Advantage) Alpha-Modulation with Proximal Policy Optimization cites this paper.

AM-PPO: (Advantage) Alpha-Modulation with Proximal Policy Optimization Hybrid Group Relative Policy Optimization: A Multi-Sample Approach to Enhancing Policy Optimization

Reference 13

Resolution: unresolved; no resolver link, observed 2026-08-07T15:20:10.552803Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation e7818414-6f38-458f-88c9-6ff2bb6c12b0 · inbound

Activation Control for Efficiently Eliciting Long Chain-of-thought Ability of Language Models cites this paper.

Activation Control for Efficiently Eliciting Long Chain-of-thought Ability of Language Models Hybrid Group Relative Policy Optimization: A Multi-Sample Approach to Enhancing Policy Optimization

Reference 45

Resolution: unresolved; no resolver link, observed 2026-08-07T14:46:17.575076Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 26f352d2-bb61-4b59-9368-03abe5d0fc8b · inbound

DeepSeek: Paradigm Shifts and Technical Evolution in Large AI Models cites this paper.

DeepSeek: Paradigm Shifts and Technical Evolution in Large AI Models Hybrid Group Relative Policy Optimization: A Multi-Sample Approach to Enhancing Policy Optimization

Reference 121

Resolution: unresolved; no resolver link, observed 2026-08-06T17:47:40.317048Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 82dad115-11ff-4a67-b5ab-5acc990cc05b · inbound

CogDual: Enhancing Dual Cognition of LLMs via Reinforcement Learning with Implicit Rule-Based Rewards cites this paper.

CogDual: Enhancing Dual Cognition of LLMs via Reinforcement Learning with Implicit Rule-Based Rewards Hybrid Group Relative Policy Optimization: A Multi-Sample Approach to Enhancing Policy Optimization

Reference 24

Resolution: unresolved; no resolver link, observed 2026-08-06T15:02:26.981947Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation a77361da-145c-4ce6-951c-ceb4e777e034 · inbound

Advantage Collapse in Group Relative Policy Optimization: Diagnosis and Mitigation cites this paper.

Advantage Collapse in Group Relative Policy Optimization: Diagnosis and Mitigation Hybrid Group Relative Policy Optimization: A Multi-Sample Approach to Enhancing Policy Optimization

Reference 31

Resolution: verified exact; arxiv_id, observed 2026-05-21T06:09:41.327840Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

Observation e5fcd091-6d8a-4b24-85f8-3451dce56e07 · inbound

Advantage Collapse in Group Relative Policy Optimization: Diagnosis and Mitigation cites this paper.

Advantage Collapse in Group Relative Policy Optimization: Diagnosis and Mitigation Hybrid Group Relative Policy Optimization: A Multi-Sample Approach to Enhancing Policy Optimization

Reference 31

Resolution: verified exact; arxiv_id, observed 2026-07-01T15:15:47.317545Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.