Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links, observed 2026-08-14T11:13:29.577428Z
Paper Citation Record · LEDGER
Oprema -- The Relay Computer of Carl Zeiss Jena
As of 16 August 2026, this Paper Citation Record lists 77 of 77 outbound references and 0 inbound Pith citation observations for arXiv:1908.09549.
A citation records a reference. It does not transfer a finding from one paper to another.
Coverage vector
One-hop event checks from named stored sources.
Source: scholarly_work_events, retraction_status_cache, observed 2026-08-16T06:30:59.297886+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
Reference resolution
77 of 77 outbound references displayed
- verified exact4
- verified fuzzy58
- unresolved12
- parse uncertain0
- malformed identifier3
- metadata mismatch0
External citation measurements
No source-named external measurement is stored.
Outbound references
Observation e81788ab-102c-48ac-bfe4-6688b07831c0 · outbound
This paper cites 5 Jahre “Oprema“.
Oprema -- The Relay Computer of Carl Zeiss Jena 5 Jahre “Oprema“
Reference 1
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-14T11:13:30.866611Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 90b999d1-8f77-4175-b5d3-60607a478b9f · outbound
This paper cites computer.
Reference 2
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-14T11:13:34.634071Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 235adb2d-15b0-40d2-ad65-da6dd1274158 · outbound
This paper cites 318−321; on the cooling‐off period see e.g.
Oprema -- The Relay Computer of Carl Zeiss Jena 318−321; on the cooling‐off period see e.g
Reference 3
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-14T11:13:33.025287Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 8668c719-fe42-4932-a21a-4d0544313b36 · outbound
This paper cites was probably the fastest relay computer ever built.
Oprema -- The Relay Computer of Carl Zeiss Jena was probably the fastest relay computer ever built
Reference 4
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-14T11:13:34.501449Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation c0324bbe-3189-42d5-b683-8ea984396e67 · outbound
This paper cites Oprema, die programmgesteuerte Zwillings‐Rechenanlage des VEB Carl Zeiss Jena.
Oprema -- The Relay Computer of Carl Zeiss Jena Oprema, die programmgesteuerte Zwillings‐Rechenanlage des VEB Carl Zeiss Jena
Reference 5
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-14T11:13:32.335998Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation abcc8041-4d93-4a43-9c75-5a84dcfd1c0e · outbound
This paper cites El ectrical Engineering.
Oprema -- The Relay Computer of Carl Zeiss Jena El ectrical Engineering
Reference 6
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-14T11:13:34.381109Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 86e75e27-414a-4b41-845e-b7833d89544f · outbound
This paper cites an unresolved cited work.
Oprema -- The Relay Computer of Carl Zeiss Jena Unresolved cited work
Reference 7
- Resolution
- unresolved
- raw_fallback, observed 2026-08-14T11:13:34.366906Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 8436a950-3b8b-48a5-b442-9294fa792dd3 · outbound
This paper cites Lösche, p.
Reference 9
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-14T11:13:30.980006Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 13eb7cf7-019b-4e86-a3b2-8043b5d15f9a · outbound
This paper cites ENIAC: Invention of a Computer.
Oprema -- The Relay Computer of Carl Zeiss Jena ENIAC: Invention of a Computer
Reference 10
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-14T11:13:32.541081Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 418f6e54-acd0-4bd4-aa94-7a572d9d22ed · outbound
This paper cites Der Einfluss von Paul Rudolph und Harry Zöllner auf die Entwicklung der Fotoobjektive [The influence of Paul Rudolph and Harry Zöllner on the development of pho‐ tagraphic lenses].
Oprema -- The Relay Computer of Carl Zeiss Jena Der Einfluss von Paul Rudolph und Harry Zöllner auf die Entwicklung der Fotoobjektive [The influence of Paul Rudolph and Harry Zöllner on the development of pho‐ tagraphic lenses]
Reference 11
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-14T11:13:30.994805Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 89e85431-7633-49fe-a8f8-5fd60e334a10 · outbound
This paper cites an unresolved cited work.
Oprema -- The Relay Computer of Carl Zeiss Jena Unresolved cited work
Reference 12
- Resolution
- malformed identifier
- raw_fallback, observed 2026-08-14T11:13:33.459833Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation ec5ce8f5-631f-4fab-8b91-6382c0e47717 · outbound
This paper cites Konrad Zuse’s Leg‐ acy: The Architecture of the Z1 and Z3.
Oprema -- The Relay Computer of Carl Zeiss Jena Konrad Zuse’s Leg‐ acy: The Architecture of the Z1 and Z3
Reference 13
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-14T11:13:31.763931Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation b76f9bf0-bc86-4759-81a8-30f6aadb5d13 · outbound
This paper cites His concept has the date 16 March 1995 and lists 6 papers whose authors shoul d be he himself, Leh- mann or Mühlhausen.
Oprema -- The Relay Computer of Carl Zeiss Jena His concept has the date 16 March 1995 and lists 6 papers whose authors shoul d be he himself, Leh- mann or Mühlhausen
Reference 15
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-14T11:13:34.012037Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 7ae602cf-609e-4bde-b501-e2709ed66907 · outbound
This paper cites Kortum”; “Kurzchronik der Konstruktionsbüros (EBos), Konstruktionsbüro Kortum [Short Histo‐ ry of the Development Labs, Development Lab Kortum].
Oprema -- The Relay Computer of Carl Zeiss Jena Kortum”; “Kurzchronik der Konstruktionsbüros (EBos), Konstruktionsbüro Kortum [Short Histo‐ ry of the Development Labs, Development Lab Kortum]
Reference 16
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-14T11:13:33.597782Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation c70f4b7f-52a0-493d-94f4-cf60aa6f8876 · outbound
This paper cites About the Author Jürgen F.
Oprema -- The Relay Computer of Carl Zeiss Jena About the Author Jürgen F
Reference 17
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-14T11:13:33.868802Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation c13ac612-d2f3-4d55-a83d-e1a41a9517ba · outbound
This paper cites guarantees.
Reference 18
- Resolution
- malformed identifier
- raw_fallback, observed 2026-08-14T11:13:34.186485Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 0a85dc96-8a5a-4c52-af59-bc0968e12454 · outbound
This paper cites Forschung und Entwicklung bei Zeiss in der Zwischenkriegszeit [Research and Development at Zeiss in the Interwar Period].
Oprema -- The Relay Computer of Carl Zeiss Jena Forschung und Entwicklung bei Zeiss in der Zwischenkriegszeit [Research and Development at Zeiss in the Interwar Period]
Reference 25
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-14T11:13:33.794226Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 0e098bdd-7b08-4c99-9461-f84eec4bc5b8 · outbound
This paper cites Genesis of the ENIAC.
Oprema -- The Relay Computer of Carl Zeiss Jena Genesis of the ENIAC
Reference 27
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-14T11:13:32.215744Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 2d5d1260-c51b-4851-b11f-bb99a8422c62 · outbound
This paper cites Mr. Williams, University of Calgary, Alberta, Kanada.
Oprema -- The Relay Computer of Carl Zeiss Jena Mr. Williams, University of Calgary, Alberta, Kanada
Reference 30
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-14T11:13:34.024779Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation fed99ccc-16d2-4462-8989-a05a3455826e · outbound
This paper cites Oprema, die programmgesteuerte Zwillings‐Rechenanlage des VEB Carl Zeiss Je‐ na.
Oprema -- The Relay Computer of Carl Zeiss Jena Oprema, die programmgesteuerte Zwillings‐Rechenanlage des VEB Carl Zeiss Je‐ na
Reference 32
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-14T11:13:32.613941Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 7ad235c7-aef8-48fc-bb0a-aa8ee51b8063 · outbound
This paper cites Trip Report.
Oprema -- The Relay Computer of Carl Zeiss Jena Trip Report
Reference 33
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-14T11:13:32.554036Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 65d9d4b8-4d2a-4eba-aa39-e63e17cf43f0 · outbound
This paper cites Computing Room Oprema.
Oprema -- The Relay Computer of Carl Zeiss Jena Computing Room Oprema
Reference 40
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-14T11:13:34.570875Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation e9089ae4-9ddb-469a-8ef0-cd0950d11863 · outbound
This paper cites an unresolved cited work.
Oprema -- The Relay Computer of Carl Zeiss Jena Unresolved cited work
Reference 43
- Resolution
- unresolved
- raw_fallback, observed 2026-08-14T11:13:31.915591Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation ea74d4ac-5ac1-4c13-9d18-e0db945e0d25 · outbound
This paper cites Grundgedanken zur Konstruktion der Oprema [Basic Ideas on the Design of Oprema].
Oprema -- The Relay Computer of Carl Zeiss Jena Grundgedanken zur Konstruktion der Oprema [Basic Ideas on the Design of Oprema]
Reference 44
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-14T11:13:31.820305Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 632c427d-3c93-488f-b4c2-b9c917c6049e · outbound
This paper cites an unresolved cited work.
Oprema -- The Relay Computer of Carl Zeiss Jena Unresolved cited work
Reference 46
- Resolution
- unresolved
- raw_fallback, observed 2026-08-14T11:13:31.624972Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 5a0a6223-a273-4146-82c9-77bf9b240468 · outbound
This paper cites Kämmerer, Ziffernrechenautomaten, pp.
Oprema -- The Relay Computer of Carl Zeiss Jena Kämmerer, Ziffernrechenautomaten, pp
Reference 48
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-14T11:13:31.405172Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation dd866686-bb7d-47b9-84cd-81dbe284f180 · outbound
This paper cites Dietzsch in November 2017; H.
Oprema -- The Relay Computer of Carl Zeiss Jena Dietzsch in November 2017; H
Reference 51
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-14T11:13:31.240237Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 96debf61-92f5-4274-b0d6-d1be69319082 · outbound
This paper cites 5 Jahre “Oprema“ “, p. 1; H. Kortum, “Erfahrungs‐ und Rechenschaftsbericht.
Oprema -- The Relay Computer of Carl Zeiss Jena 5 Jahre “Oprema“ “, p. 1; H. Kortum, “Erfahrungs‐ und Rechenschaftsbericht
Reference 54
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-14T11:13:31.134069Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 48115f12-3ac0-4c47-855c-424268ed9d35 · outbound
This paper cites Zur Entwicklung der modernen Rechentechnik [The evolution of the modern computing technology].
Oprema -- The Relay Computer of Carl Zeiss Jena Zur Entwicklung der modernen Rechentechnik [The evolution of the modern computing technology]
Reference 55
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-14T11:13:31.006472Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 6057046f-ef39-4a41-86a9-9619ec07ce8c · outbound
This paper cites Zuse, Konrad Zuses Werk [The Works of Konrad Zuse], DVD V.
Oprema -- The Relay Computer of Carl Zeiss Jena Zuse, Konrad Zuses Werk [The Works of Konrad Zuse], DVD V
Reference 60
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-14T11:13:30.722471Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation f9eee1fa-6989-493d-bbd8-71bf61ea33bf · outbound
This paper cites Mein Weg zum Computerpionier [My Way Becoming a Computer Pioneer].
Oprema -- The Relay Computer of Carl Zeiss Jena Mein Weg zum Computerpionier [My Way Becoming a Computer Pioneer]
Reference 62
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-14T11:13:33.856522Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 03f31e62-215d-482f-a825-292029bd87ea · outbound
This paper cites an unresolved cited work.
Oprema -- The Relay Computer of Carl Zeiss Jena Unresolved cited work
Reference 63
- Resolution
- unresolved
- raw_fallback, observed 2026-08-14T11:13:30.642827Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation daad886f-5316-47b6-b45e-d0150f6f86de · outbound
This paper cites Konrad Zuse’s Legacy: The Architecture of the Z1 and Z3.
Oprema -- The Relay Computer of Carl Zeiss Jena Konrad Zuse’s Legacy: The Architecture of the Z1 and Z3
Reference 64
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-14T11:13:30.563797Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation ff9f4ac9-d2e1-4240-8bcf-619a91e32b0e · outbound
This paper cites The Binac.
Reference 65
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-14T11:13:31.146509Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 817ce665-3c10-4e6f-b4d1-29410c6fa50e · outbound
This paper cites 1946 to work in the Soviet Union]“, UACZ, BACZ 6730; F.
Oprema -- The Relay Computer of Carl Zeiss Jena 1946 to work in the Soviet Union]“, UACZ, BACZ 6730; F
Reference 66
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-14T11:13:33.164885Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation e4d77ef0-d6ee-4990-8e88-51e122100ae1 · outbound
This paper cites Low‐Cost Digital Computer for Engineering Use Unveiled.
Oprema -- The Relay Computer of Carl Zeiss Jena Low‐Cost Digital Computer for Engineering Use Unveiled
Reference 67
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-14T11:13:30.552013Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 14cdc092-fe8c-4671-a394-927a7f8cf597 · outbound
This paper cites Unsere Nationalpreisträger 1955 [Our National Prize Winners].
Oprema -- The Relay Computer of Carl Zeiss Jena Unsere Nationalpreisträger 1955 [Our National Prize Winners]
Reference 68
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-14T11:13:30.440073Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 2a4bb3d0-6ec7-49ad-9520-8ab281815af9 · outbound
This paper cites Mein Weg zum Computerpionier.
Oprema -- The Relay Computer of Carl Zeiss Jena Mein Weg zum Computerpionier
Reference 69
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-14T11:13:30.353704Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 5a0224ed-8fef-4035-9823-29260a7199a4 · outbound
This paper cites an unresolved cited work.
Oprema -- The Relay Computer of Carl Zeiss Jena Unresolved cited work
Reference 70
- Resolution
- verified exact
- raw_fallback, observed 2026-08-14T11:13:30.115771Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 340f9e31-0959-495b-94d2-47440ff4cfe7 · outbound
This paper cites Mein Weg zum Computerpion‐ ier.
Oprema -- The Relay Computer of Carl Zeiss Jena Mein Weg zum Computerpion‐ ier
Reference 71
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-14T11:13:30.314455Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation e21f8bd7-9677-4f68-be4d-d7117cab4db5 · outbound
This paper cites Vom Wismut‐Schacht in den Hörsaal [From the Wismut Pit into the Lecture Hall].
Oprema -- The Relay Computer of Carl Zeiss Jena Vom Wismut‐Schacht in den Hörsaal [From the Wismut Pit into the Lecture Hall]
Reference 73
- Resolution
- verified exact
- raw_fallback, observed 2026-08-14T11:13:29.833219Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation caf01dc7-a294-456a-bbbc-16b47f64fd17 · outbound
This paper cites Digitale Informationsmaschinen (Re‐ chenautomaten) [Digital Information Machines (Computing Automata)].
Oprema -- The Relay Computer of Carl Zeiss Jena Digitale Informationsmaschinen (Re‐ chenautomaten) [Digital Information Machines (Computing Automata)]
Reference 74
- Resolution
- verified exact
- raw_fallback, observed 2026-08-14T11:13:29.716411Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 6f923b47-3c26-44e0-9e7c-a5b23b311b12 · outbound
This paper cites an unresolved cited work.
Oprema -- The Relay Computer of Carl Zeiss Jena Unresolved cited work
Reference 75
- Resolution
- unresolved
- raw_fallback, observed 2026-08-14T11:13:30.274832Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 8bf3610a-4196-46c8-bc18-56c14383af0b · outbound
This paper cites OPREMA und ZRA 1.
Oprema -- The Relay Computer of Carl Zeiss Jena OPREMA und ZRA 1
Reference 76
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-14T11:13:30.172053Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 680f7f25-c17c-43cf-abde-3bcfbeb3d774 · outbound
This paper cites an unresolved cited work.
Oprema -- The Relay Computer of Carl Zeiss Jena Unresolved cited work
Reference 103
- Resolution
- unresolved
- raw_fallback, observed 2026-08-14T11:13:31.252558Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 03829cce-ee6d-43a4-a4fe-c94566d7fbc2 · outbound
This paper cites Wilhelm Kämmerer“, pp. 326–329; UACZ, BACZ, Namenskartei: “Kortum.
Oprema -- The Relay Computer of Carl Zeiss Jena Wilhelm Kämmerer“, pp. 326–329; UACZ, BACZ, Namenskartei: “Kortum
Reference 106
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-14T11:13:32.740531Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation ff2ca8d4-1719-4624-a688-966cfc6d73ae · outbound
This paper cites de Beauclair, Rechnen mit Maschinen [Com‐ puting With Machines], Friedr.
Oprema -- The Relay Computer of Carl Zeiss Jena de Beauclair, Rechnen mit Maschinen [Com‐ puting With Machines], Friedr
Reference 125
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-14T11:13:31.393009Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 6529d4dd-6d4f-496a-b68e-eb64d0c2d18e · outbound
This paper cites Oprema ….
Reference 130
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-14T11:13:31.157076Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 606e044e-7c71-4d83-9a8f-b7c4130d767c · outbound
This paper cites Kreiselvisiere“, pp. 72−86; W. Kämmerer and H. Kortum, “Oprema ….
Oprema -- The Relay Computer of Carl Zeiss Jena Kreiselvisiere“, pp. 72−86; W. Kämmerer and H. Kortum, “Oprema …
Reference 134
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-14T11:13:30.856393Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 13f3db11-802d-4c10-9c1e-7477144673ea · outbound
This paper cites Lenski, “Arbeitsberichte [Work Reports]“, UACZ, BACZ 27995; E.
Oprema -- The Relay Computer of Carl Zeiss Jena Lenski, “Arbeitsberichte [Work Reports]“, UACZ, BACZ 27995; E
Reference 154
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-14T11:13:32.626021Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 597480be-118c-48aa-90ac-2aa44e038fd5 · outbound
This paper cites “ , Look (0024‐ 6336), vol. 22, no. 3, 1958, p. 21; H. Kortum, “Kreiselvisiere.
Oprema -- The Relay Computer of Carl Zeiss Jena “ , Look (0024‐ 6336), vol. 22, no. 3, 1958, p. 21; H. Kortum, “Kreiselvisiere
Reference 179
- Resolution
- malformed identifier
- raw_fallback, observed 2026-08-14T11:13:33.347130Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 761e290c-7490-4b84-8e5a-5e4d66d106ad · outbound
This paper cites , Techno‐ logy and Culture (0040‐165X), vol. 17, no. 3 (Jul., 1976), pp. 482‐488, here p. 483; T. P. Hughes, “ENIAC.
Oprema -- The Relay Computer of Carl Zeiss Jena , Techno‐ logy and Culture (0040‐165X), vol. 17, no. 3 (Jul., 1976), pp. 482‐488, here p. 483; T. P. Hughes, “ENIAC
Reference 186
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-14T11:13:32.085639Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 340dd763-eb1f-418c-b94f-a146749916a0 · outbound
This paper cites Rutishauser, A.
Oprema -- The Relay Computer of Carl Zeiss Jena Rutishauser, A
Reference 201
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-14T11:13:32.098850Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation b25e8293-9901-4066-bd1b-8db69985a109 · outbound
This paper cites Mein Weg zum Computerpionier.
Oprema -- The Relay Computer of Carl Zeiss Jena Mein Weg zum Computerpionier
Reference 222
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-14T11:13:33.038646Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 5c9cc9ce-87d4-40f7-89ce-99d239f0d660 · outbound
This paper cites Tube Failures in ENIAC.
Oprema -- The Relay Computer of Carl Zeiss Jena Tube Failures in ENIAC
Reference 241
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-14T11:13:32.027973Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation afe28779-49f3-4310-889a-7b27919e7ad8 · outbound
This paper cites an unresolved cited work.
Oprema -- The Relay Computer of Carl Zeiss Jena Unresolved cited work
Reference 245
- Resolution
- unresolved
- raw_fallback, observed 2026-08-14T11:13:32.228352Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation a21c956a-f3a0-4bfa-be76-1b705d938ded · outbound
This paper cites Babbage, „Of the Mathematical Powers of the Calculating Engine“, B.
Oprema -- The Relay Computer of Carl Zeiss Jena Babbage, „Of the Mathematical Powers of the Calculating Engine“, B
Reference 257
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-14T11:13:31.509186Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 45b1362c-f8b1-41e8-9368-c1288e034aae · outbound
This paper cites an unresolved cited work.
Oprema -- The Relay Computer of Carl Zeiss Jena Unresolved cited work
Reference 308
- Resolution
- unresolved
- raw_fallback, observed 2026-08-14T11:13:32.901336Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 48f31a59-bff6-4407-b79b-1ca8008f3ce5 · outbound
This paper cites Die programmgesteuerte Relais‐Zwillings‐Rechenanlage „Oprema“ des VEB Carl Zeiss Jena [The program‐controlled twin‐relay‐computer „Oprema“ of the VEB Carl Zeiss Jena].
Oprema -- The Relay Computer of Carl Zeiss Jena Die programmgesteuerte Relais‐Zwillings‐Rechenanlage „Oprema“ des VEB Carl Zeiss Jena [The program‐controlled twin‐relay‐computer „Oprema“ of the VEB Carl Zeiss Jena]
Reference 311
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-14T11:13:30.540751Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation b9b607aa-d645-4d34-a0eb-0f7b739a9e64 · outbound
This paper cites Jones, “Five 1951 BBC Broadcasts on Auto‐ matic Calculating Machines“, IEEE Annals Hist.
Oprema -- The Relay Computer of Carl Zeiss Jena Jones, “Five 1951 BBC Broadcasts on Auto‐ matic Calculating Machines“, IEEE Annals Hist
Reference 324
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-14T11:13:32.781585Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 4d5ac37e-30fe-4fe9-9631-f2c9767d7d65 · outbound
This paper cites Nationalpreisträger Dr. Kortum zum Professor ernannt [National prize laureate Dr. Kortum appointed professor].
Oprema -- The Relay Computer of Carl Zeiss Jena Nationalpreisträger Dr. Kortum zum Professor ernannt [National prize laureate Dr. Kortum appointed professor]
Reference 364
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-14T11:13:30.303298Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 476273b3-2c71-41e4-ad69-89faa171b814 · outbound
This paper cites Überblick über die Göttinger Entwicklungen, insbesondere die Anwendung der Maschinen G 1 und G 2.
Oprema -- The Relay Computer of Carl Zeiss Jena Überblick über die Göttinger Entwicklungen, insbesondere die Anwendung der Maschinen G 1 und G 2
Reference 394
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-14T11:13:30.683301Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 67664d6d-f252-40d1-99f9-2f2bd495d7ea · outbound
This paper cites an unresolved cited work.
Oprema -- The Relay Computer of Carl Zeiss Jena Unresolved cited work
Reference 403
- Resolution
- unresolved
- raw_fallback, observed 2026-08-14T11:13:33.178964Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 70bcbbe4-b6a6-4066-a241-e0b5b1336752 · outbound
This paper cites Mein Weg zum Computerpion‐ ier.
Oprema -- The Relay Computer of Carl Zeiss Jena Mein Weg zum Computerpion‐ ier
Reference 501
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-14T11:13:30.424563Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 967f66a0-d36b-4f1c-bd90-62f84a7fb962 · outbound
This paper cites Mühlfriedel and E.
Oprema -- The Relay Computer of Carl Zeiss Jena Mühlfriedel and E
Reference 570
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-14T11:13:33.359627Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 5c329ef2-53b2-46a4-bab4-96a527b819be · outbound
This paper cites an unresolved cited work.
Oprema -- The Relay Computer of Carl Zeiss Jena Unresolved cited work
Reference 722
- Resolution
- unresolved
- raw_fallback, observed 2026-08-14T11:13:30.157222Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 2ca56fd7-4a3a-4b32-9972-308fb28d8536 · outbound
This paper cites Kämmerer,“Wilhelm Kämmerer “, pp.
Oprema -- The Relay Computer of Carl Zeiss Jena Kämmerer,“Wilhelm Kämmerer “, pp
Reference 868
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-14T11:13:33.151701Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation ac68406d-128b-4157-bb5c-e7470fcfb469 · outbound
This paper cites Die bei uns vorhandenen Röhren sind solchen Anforderungen noch nicht genügend gewachsen, … [The vacuum tubes availabe for us do not yet meet such requirements, …].
Oprema -- The Relay Computer of Carl Zeiss Jena Die bei uns vorhandenen Röhren sind solchen Anforderungen noch nicht genügend gewachsen, … [The vacuum tubes availabe for us do not yet meet such requirements, …]
Reference 1953
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-14T11:13:34.489815Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation d12b7b15-3f8e-4c40-9ff3-1d12185ae30c · outbound
This paper cites Furthermore, Kämmerer di d an experiment in 1955 during the trial period (May to July.
Oprema -- The Relay Computer of Carl Zeiss Jena Furthermore, Kämmerer di d an experiment in 1955 during the trial period (May to July
Reference 1955
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-14T11:13:34.645194Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation de8b4a92-4ace-4160-b233-31c3c527439f · outbound
This paper cites program-controlled comput- ers.
Oprema -- The Relay Computer of Carl Zeiss Jena program-controlled comput- ers
Reference 1959
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-14T11:13:34.353343Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation c4ba3d3e-26f3-45b8-b592-08b52c020c23 · outbound
This paper cites On 1 Nov.
Reference 1960
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-14T11:13:34.275539Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 725db5f8-5005-4a3c-932f-dcbb415079e1 · outbound
This paper cites an unresolved cited work.
Oprema -- The Relay Computer of Carl Zeiss Jena Unresolved cited work
Reference 1965
- Resolution
- unresolved
- raw_fallback, observed 2026-08-14T11:13:34.289720Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation e4a7cf1b-50fb-491c-a4f2-a02ab3382253 · outbound
This paper cites an unresolved cited work.
Oprema -- The Relay Computer of Carl Zeiss Jena Unresolved cited work
Reference 1971
- Resolution
- unresolved
- raw_fallback, observed 2026-08-14T11:13:34.199968Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 69c7db5b-fc10-4498-9cc2-807e4725ba0e · outbound
This paper cites Design and Construction.
Oprema -- The Relay Computer of Carl Zeiss Jena Design and Construction
Reference 1995
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-14T11:13:34.118001Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation a3fb15e6-3da3-4419-b4f9-fd98ff037633 · outbound
This paper cites The Design of Colossus.
Oprema -- The Relay Computer of Carl Zeiss Jena The Design of Colossus
Reference 2007
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-14T11:13:32.322881Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 4af252aa-da3e-4b00-9b1f-e3efc3404eec · outbound
This paper cites an unresolved cited work.
Oprema -- The Relay Computer of Carl Zeiss Jena Unresolved cited work
Reference 2017
- Resolution
- verified exact
- raw_fallback, observed 2026-08-14T11:13:29.993861Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 619ee306-5873-4213-994b-354398e3e3c0 · outbound
This paper cites Einblicke – 150 Jahre Carl Zeiss [Insights – 150 Years Carl Zeiss].
Oprema -- The Relay Computer of Carl Zeiss Jena Einblicke – 150 Jahre Carl Zeiss [Insights – 150 Years Carl Zeiss]
Reference 2018
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-14T11:13:32.430649Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Pith citing papers
No inbound Pith citation observations are available.