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Researcher Evidence Record

R. O'Brient

This bounded record lists 48 Pith paper rows and 0 imported work rows attributed to this corpus identity. The enumerated, non-disputed paper rows include astro-ph.IM, astro-ph.CO, astro-ph.GA work dated 2011 to 2026. The record describes sources and coverage; it makes no judgment about the person.

Compiled coverage vector

Measured lane counts only. Not a trust score or person verdict.

Enumerated paper scope: 3 fields (astro-ph.IM, astro-ph.CO, astro-ph.GA) · 2011-2026 sources: authors, author_identifiers · paper_authors · author_works · current_verdicts · cited_works

A sourced case file for attributed work. It is neither a profile score nor a verdict about this researcher.

Attributed works

A bounded ledger from the Pith paper and imported-work queries. Counts and source confidence stay with each work.

  1. 2026 Pith paper

    Design and Performance of 220 and 270 GHz Bandpass Filters for BICEP Array

    astro-ph.IM provisional current review present

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    R. O'Brient
    Author position
    60
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: a current Pith review exists.
    Citation counts
    No source count is attached to this work row.
  2. 2024 Pith paper

    BICEP/Keck XVIII: Measurement of BICEP3 polarization angles and consequences for constraining cosmic birefringence and inflation

    astro-ph.CO provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    R. O'brient
    Author position
    55
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    • 2 pith inbound references from cited_work_pith_inbound_counts
  3. 2024 Pith paper

    Analysis of Polarized Dust Emission Using Data from the First Flight of SPIDER

    astro-ph.GA provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    R. O'Brient
    Author position
    48
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    No source count is attached to this work row.
  4. 2022 Pith paper

    Thermal Testing for Cryogenic CMB Instrument Optical Design

    astro-ph.IM provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    R. O'Brient
    Author position
    52
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    No source count is attached to this work row.
  5. 2022 Pith paper

    2022 Upgrade and Improved Low Frequency Camera Sensitivity for CMB Observation at the South Pole

    astro-ph.IM provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    R. O'Brient
    Author position
    53
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    No source count is attached to this work row.
  6. 2022 Pith paper

    Improved Polarization Calibration of the BICEP3 CMB Polarimeter at the South Pole

    astro-ph.IM provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    R. O'Brient
    Author position
    54
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    No source count is attached to this work row.
  7. 2021 Pith paper

    In-flight gain monitoring of SPIDER's transition-edge sensor arrays

    astro-ph.IM provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    R. O'Brient
    Author position
    49
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    No source count is attached to this work row.
  8. 2021 Pith paper

    A Simulation-Based Method for Correcting Mode Coupling in CMB Angular Power Spectra

    astro-ph.CO provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    R. O'Brient
    Author position
    48
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    No source count is attached to this work row.
  9. 2021 Pith paper

    BICEP / Keck XIV: Improved constraints on axion-like polarization oscillations in the cosmic microwave background

    astro-ph.CO provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    R. O'Brient
    Author position
    55
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    No source count is attached to this work row.
  10. 2021 Pith paper

    The XFaster Power Spectrum and Likelihood Estimator for the Analysis of Cosmic Microwave Background Maps

    astro-ph.CO provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    R. O'Brient
    Author position
    47
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    No source count is attached to this work row.
  11. 2021 Pith paper

    A Constraint on Primordial $B$-Modes from the First Flight of the SPIDER Balloon-Borne Telescope

    astro-ph.CO provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    R. O'Brient
    Author position
    47
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    • 1 pith inbound references from cited_work_pith_inbound_counts
  12. 2021 Pith paper

    Analysis of Temperature-to-Polarization Leakage in BICEP3 and Keck CMB Data from 2016 to 2018

    astro-ph.CO provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    R. O'Brient
    Author position
    52
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    No source count is attached to this work row.
  13. 2020 Pith paper

    Observing low elevation sky and the CMB Cold Spot with BICEP3 at the South Pole

    astro-ph.CO provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    R. O'Brient
    Author position
    51
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    No source count is attached to this work row.
  14. 2020 Pith paper

    Polarization Calibration of the BICEP3 CMB polarimeter at the South Pole

    astro-ph.IM provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    R. O'Brient
    Author position
    51
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    No source count is attached to this work row.
  15. 2020 Pith paper

    Receiver development for BICEP Array, a next-generation CMB polarimeter at the South Pole

    astro-ph.IM provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    R. O'Brient
    Author position
    46
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    • 2 pith inbound references from cited_work_pith_inbound_counts
  16. 2020 Pith paper

    A Demonstration of Improved Constraints on Primordial Gravitational Waves with Delensing

    astro-ph.CO provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    R. O'Brient
    Author position
    92
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    • 1 pith inbound references from cited_work_pith_inbound_counts
  17. 2020 Pith paper

    BICEP / Keck XII: Constraints on axion-like polarization oscillations in the cosmic microwave background

    astro-ph.CO provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    R. O'Brient
    Author position
    47
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    No source count is attached to this work row.
  18. 2020 Pith paper

    Design and performance of the first BICEP Array receiver

    astro-ph.IM provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    R. O'Brient
    Author position
    40
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    No source count is attached to this work row.
  19. 2020 Pith paper

    Characterizing the Sensitivity of 40 GHz TES Bolometers for BICEP Array

    astro-ph.IM provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    R. O'Brient
    Author position
    40
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    No source count is attached to this work row.
  20. 2020 Pith paper

    Optical characterization of the Keck Array and BICEP3 CMB Polarimeters from 2016 to 2019

    astro-ph.IM provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    R. O'Brient
    Author position
    44
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    No source count is attached to this work row.
  21. 2019 Pith paper

    Microwave multiplexing on the Keck Array

    astro-ph.IM provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    R. O'Brient
    Author position
    62
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    • 1 pith inbound references from cited_work_pith_inbound_counts
  22. 2019 Pith paper

    PICO: Probe of Inflation and Cosmic Origins

    astro-ph.IM provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    R. O'Brient
    Author position
    61
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    • 3 pith inbound references from cited_work_pith_inbound_counts
  23. 2018 Pith paper

    Ultra-Thin Large-Aperture Vacuum Windows for Millimeter Wavelengths Receivers

    astro-ph.IM provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    R. O'Brient
    Author position
    49
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    No source count is attached to this work row.
  24. 2018 Pith paper

    BICEP Array cryostat and mount design

    astro-ph.IM provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    R. O'Brient
    Author position
    48
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    No source count is attached to this work row.
  25. 2018 Pith paper

    2017 upgrade and performance of BICEP3: a 95GHz refracting telescope for degree-scale CMB polarization

    astro-ph.IM provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    R. O'Brient
    Author position
    48
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    No source count is attached to this work row.
  26. 2018 Pith paper

    Measurements of Degree-Scale B-mode Polarization with the BICEP/Keck Experiments at South Pole

    astro-ph.CO provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    R. O'Brient
    Author position
    49
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    • 1 pith inbound references from cited_work_pith_inbound_counts
  27. 2017 Pith paper

    BICEP2 / Keck Array IX: New Bounds on Anisotropies of CMB Polarization Rotation and Implications for Axion-Like Particles and Primordial Magnetic Fields

    astro-ph.CO provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    R. O'Brient
    Author position
    45
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    • 3 pith inbound references from cited_work_pith_inbound_counts
  28. 2016 Pith paper

    BICEP3 focal plane design and detector performance

    astro-ph.IM provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    R. O'Brient
    Author position
    38
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    • 12 external cited by from pith
    • 1 pith inbound references from cited_work_pith_inbound_counts
  29. 2016 Pith paper

    BICEP3 performance overview and planned Keck Array upgrade

    astro-ph.IM provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    R. O'Brient
    Author position
    38
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    • 58 external cited by from pith
    • 2 pith inbound references from cited_work_pith_inbound_counts
  30. 2016 Pith paper

    Optical Characterization of the BICEP3 CMB Polarimeter at the South Pole

    astro-ph.IM provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    R. O'Brient
    Author position
    38
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    No source count is attached to this work row.
  31. 2016 Pith paper

    BICEP2 / Keck Array VIII: Measurement of gravitational lensing from large-scale B-mode polarization

    astro-ph.CO provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    R. O'Brient
    Author position
    43
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    • 5 pith inbound references from cited_work_pith_inbound_counts
  32. 2016 Pith paper

    BICEP2 / Keck Array VII: Matrix based E/B Separation applied to BICEP2 and the Keck Array

    astro-ph.IM provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    R. O'Brient
    Author position
    43
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    • 24 external cited by from pith
    • 1 pith inbound references from cited_work_pith_inbound_counts
  33. 2016 Pith paper

    Initial Performance of BICEP3: A Degree Angular Scale 95 GHz Band Polarimeter

    astro-ph.IM provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    R. O'Brient
    Author position
    34
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    No source count is attached to this work row.
  34. 2015 Pith paper

    Low Noise Titanium Nitride KIDs for SuperSpec: A Millimeter-Wave On-Chip Spectrometer

    astro-ph.IM provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    R. O'Brient
    Author position
    13
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    • 18 external cited by from pith
    • 1 pith inbound references from cited_work_pith_inbound_counts
  35. 2015 Pith paper

    Antenna-coupled TES bolometers used in BICEP2, Keck array, and SPIDER

    astro-ph.IM provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    R. O'Brient
    Author position
    44
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    • 1 pith inbound references from cited_work_pith_inbound_counts
  36. 2015 Pith paper

    A Joint Analysis of BICEP2/Keck Array and Planck Data

    astro-ph.CO provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    R. O'Brient
    Author position
    192
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    • 4 pith inbound references from cited_work_pith_inbound_counts
  37. 2015 Pith paper

    BICEP2 III: Instrumental Systematics

    astro-ph.IM provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    R. O'Brient
    Author position
    30
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    No source count is attached to this work row.
  38. 2015 Pith paper

    BICEP2/Keck Array IV: Optical Characterization and Performance of the BICEP2 and Keck Array Experiments

    astro-ph.IM provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    R. O'Brient
    Author position
    36
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    No source count is attached to this work row.
  39. 2015 Pith paper

    Status of SuperSpec: A Broadband, On-Chip Millimeter-Wave Spectrometer

    astro-ph.IM provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    R. O'Brient
    Author position
    14
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    No source count is attached to this work row.
  40. 2014 Pith paper

    BICEP3: a 95 GHz refracting telescope for degree-scale CMB polarization

    astro-ph.IM provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    R. O'Brient
    Author position
    23
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    • 85 external cited by from pith
    • 1 pith inbound references from cited_work_pith_inbound_counts
  41. 2014 Pith paper

    Pre-flight integration and characterization of the SPIDER balloon-borne telescope

    astro-ph.IM provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    R. O'Brient
    Author position
    36
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    No source count is attached to this work row.
  42. 2014 Pith paper

    Attitude determination for balloon-borne experiments

    astro-ph.IM provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    R. O'Brient
    Author position
    46
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    No source count is attached to this work row.
  43. 2014 Pith paper

    BLASTbus electronics: general-purpose readout and control for balloon-borne experiments

    astro-ph.IM provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    R. O'Brient
    Author position
    47
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    No source count is attached to this work row.
  44. 2012 Pith paper

    Antenna-coupled TES bolometers for the Keck Array, Spider, and Polar-1

    astro-ph.IM provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    R. O'Brient
    Author position
    1
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    No source count is attached to this work row.
  45. 2012 Pith paper

    Optimization and sensitivity of the Keck Array

    astro-ph.IM provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    R. O'Brient
    Author position
    28
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    No source count is attached to this work row.
  46. 2012 Pith paper

    Optical Characterization of the Keck Array Polarimeter at the South Pole

    astro-ph.IM provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    R. O'Brient
    Author position
    27
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    No source count is attached to this work row.
  47. 2012 Pith paper

    BICEP2 and Keck Array operational overview and status of observations

    astro-ph.IM provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    R. O'Brient
    Author position
    35
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    No source count is attached to this work row.
  48. 2011 Pith paper

    Ultra High Energy Cosmology with POLARBEAR

    astro-ph.CO provisional measured, no current review

    Sources and evidence
    Authorship source
    arxiv_oai
    Printed name
    R. O'Brient
    Author position
    22
    Identity state
    provisional
    Source confidence
    0.7
    Review coverage
    Measured: no current Pith review exists.
    Citation counts
    No source count is attached to this work row.

Evidence apparatus

The machinery behind this record. Every lane states whether Pith measured it, did not query it, could not reach it, or withheld it.

LaneStateObservedBoundary and source
identity Measured 2 Canonical identity row plus public typed identifiers.
source=authors, author_identifiers
papers Measured 48 of 48 bounded rows Rows attributed to this author UUID in the Pith corpus.
source=paper_authors
works Measured zero 0 of 0 bounded rows Imported works not duplicated by the paper ledger.
source=author_works
reviews Measured 1 of 48 bounded rows Coverage count only. No review outcome is projected onto the person.
source=current_verdicts
citations Measured 16 of 48 bounded rows Counts remain itemized by work and source.
source=cited_works
coauthors Measured 50 of 48 bounded rows Shared-work edges from admitted paper rows.
source=paper_authors
account Unavailable No public count of 1 bounded rows Account metadata is separate from corpus evidence.
source=users.author_id
Public identity sources
  • name variant
    R. O'Brient
    backfill
    confidence 0.6
Enumerated research scope

Fields and dates come only from enumerated, non-disputed Pith paper rows. They do not claim career completeness.

  • astro-ph.IM33 rows
  • astro-ph.CO14 rows
  • astro-ph.GA1 rows
  • 20111 rows
  • 20124 rows
  • 20144 rows
  • 20156 rows
  • 20166 rows
  • 20171 rows
  • 20184 rows
  • 20192 rows
  • 20208 rows
  • 20216 rows
  • 20223 rows
  • 20242 rows
  • 20261 rows
Shared-work index
Record scope

The work queries are bounded. Missing rows may mean measured zero, an unavailable source, a query that did not run, or private data that Pith withheld. The lane table keeps those cases separate.

Paper findings remain attached to papers. They do not become findings about this researcher.