| 2025-06-11 12:12:23 | dipswitch | Added credit for Otto Chrons on Yahoo 4: Text (Interviewed) |
| 2024-01-15 01:06:02 | dipswitch | Added credit for Otto Chrons on Pulse Issue #2: Text (Interviewed) |
| 2023-02-02 16:07:41 | phoenix | Added credit for Otto Chrons on Toinen Perinteinen Bussimatka Tanskaan The Party '5:lle: Code, Graphics, Other (design) |
| 2021-12-01 00:19:03 | dipswitch | Added credit for Otto Chrons on Scenial 2: The Injection: Text (Interviewed) |
| 2021-07-20 09:29:07 | menace | Updated Bismarck's credit on First Demo 1: Code, Text |
| 2021-07-20 09:28:56 | menace | Added Otto Chrons as a member of The Square |
| 2021-07-20 09:28:52 | menace | Added nick 'Bismarck' |
| 2021-06-09 22:05:03 | 100bit | Added link https://defacto2.net/p/otto-chrons |
| 2020-10-06 14:19:35 | phoenix | Added credit for Otto Chrons on Drastic Scream: Code (sound system (DSMI)) |
| 2020-01-26 07:13:31 | menace | Edited notes |
| 2020-01-26 07:11:37 | menace | Edited nick 'Otto Chrons': changed aliases to 'OC' |
| 2020-01-26 07:11:31 | menace | Added Otto Chrons as a member of Virtual Visions |
| 2019-02-27 04:35:18 | sensenstahl | Added credit for Otto Chrons on Exalted Death BBS (2): Code (Sound routine) |
| 2019-02-22 03:39:13 | sensenstahl | Removed Otto Chrons as a member of iCE |
| 2019-02-22 03:38:58 | sensenstahl | Added credit for Otto Chrons on Bloodstrike BBS (2): Code (Sound Routine) |
| 2019-02-22 03:36:15 | sensenstahl | Added Otto Chrons as a member of iCE |
| 2018-03-28 13:54:42 | exocet | Updated Otto Chrons's credit on Bus Trip Invitation Intro: Code |
| 2017-03-13 18:30:28 | sensenstahl | Added credit for Otto Chrons on Jetro: Other (Music System) |
| 2016-04-03 23:57:25 | Saga_Musix | Deleted link https://fi.linkedin.com/in/ottochrons |
| 2016-04-03 23:57:20 | Saga_Musix | Added link https://fi.linkedin.com/in/ottochrons |
| 2016-04-03 23:56:37 | Saga_Musix | Added links: http://twitter.com/ochrons, https://github.com/ochrons |
| 2016-04-03 23:56:18 | Saga_Musix | Edited notes |
| 2016-04-03 23:56:03 | Saga_Musix | Set location to Finland |
| 2016-04-03 23:54:01 | Saga_Musix | Edited nick 'Otto Chrons': changed name to 'Otto Chrons' |
| 2013-04-10 01:59:19 | dipswitch | Added credit for Otto Chronos on Pain 01/97: Code (Soundsystem) |
| 2013-04-10 01:43:24 | dipswitch | Added credit for Otto Chronos on Pain 11/96: Code (Soundsystem) |
| 2013-04-10 01:09:04 | dipswitch | Added credit for Otto Chronos on Pain 09/96: Code (Soundsystem) |
| 2013-04-10 00:58:28 | dipswitch | Added credit for Otto Chronos on Pain 07/96: Code (Soundsystem) |
| 2013-04-09 00:50:49 | dipswitch | Added credit for Otto Chronos on Pain 04/96: Code (Soundsystem) |
| 2013-04-06 14:07:26 | dipswitch | Added credit for Otto Chronos on Pain2 04/95: Code (Soundsystem) |
| 2013-04-06 13:59:42 | dipswitch | Added credit for Otto Chronos on Pain2 03/95: Code (Soundsystem) |
| 2013-04-06 13:54:10 | dipswitch | Added credit for Otto Chronos on Pain2 02/95: Code (Soundsystem) |
| 2013-04-06 13:46:52 | dipswitch | Added credit for Otto Chronos on Pain 01/95: Code (Soundsystem) |
| 2013-04-06 13:35:03 | dipswitch | Added credit for Otto Chronos on Pain 08-09/94: Code (Soundsystem) |
| 2013-04-06 13:11:06 | dipswitch | Added credit for Otto Chronos on Pain 07/94: Code (Soundsystem) |
| 2013-04-06 12:51:57 | dipswitch | Added credit for Otto Chronos on Pain 06/94: Code (Soundsystem) |
| 2013-04-06 12:25:17 | dipswitch | Added credit for Otto Chronos on Pain 05/94: Code (Soundsystem) |
| 2013-04-06 11:51:27 | dipswitch | Added credit for Otto Chronos on Pain 04/94: Code (Soundsystem) |
| 2013-04-06 11:40:26 | dipswitch | Added credit for Otto Chronos on Pain 03/94: Code (Soundsystem) |
| 2013-04-06 11:11:02 | dipswitch | Added credit for Otto Chronos on Pain 02/94: Code (Soundsystem) |
| 2013-04-04 22:54:39 | dipswitch | Added credit for Otto Chronos on Pain 1 01/94: Code (Soundsystem) |