Kolab
type: MusicGroup
description: Kolab is a free and open source groupware suite. It consists of the Kolab server and a wide variety of Kolab clients, including KDE PIM-Suite Kontact, Roundcube web frontend, Mozilla Thunderbird and M
popularity: 2
followers: 209
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x05769de43f43232002c2ab0286b45dc6ea15e6399c13702a73abf8d40ddd3ab4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953954
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953954
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/25278099-b9a5-4b4d-9e98-7d7bf66cf106.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/25278099-b9a5-4b4d-9e98-7d7bf66cf106.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/25278099-b9a5-4b4d-9e98-7d7bf66cf106
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T14:18:37Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05769de43f43232002c2ab0286b45dc6ea15e6399c13702a73abf8d40ddd3ab4. Chain 2 (Bitcoin): anchored in block 953997 (2026-06-16T20:07:57Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/25278099-b9a5-4b4d-9e98-7d7bf66cf106.json and https://artists.proofprofile.net/proofs/artist/25278099-b9a5-4b4d-9e98-7d7bf66cf106.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T20:07:57Z
album: Things to Come
  type: MusicAlbum
  date published: 2007-05-01
album: Things To Come - EP
  type: MusicAlbum
  date published: 2007-05-01
album: Things to Come
  type: MusicAlbum
  date published: 2007-05-01
album: What Comes Next
  type: MusicAlbum
  date published: 2008-01-01
album: What Comes Next
  type: MusicAlbum
  date published: 2008-06-16
album: What Comes Next
  type: MusicAlbum
  date published: 2008-06-16
album: Soul to Shine
  type: MusicAlbum
  date published: 2009-01-01
album: Soul to Shine
  type: MusicAlbum
  date published: 2009-07-06
album: Soul 2 Shine - Single
  type: MusicAlbum
  date published: 2009-07-06
album: Killin' Time
  type: MusicAlbum
  date published: 2011-01-01
album: Killin' Time
  type: MusicAlbum
  date published: 2011-03-21
album: Standards - EP
  type: MusicAlbum
  date published: 2011-05-23
album: Standards - EP
  type: MusicAlbum
  date published: 2011-05-23
album: Standards
  type: MusicAlbum
  date published: 2011-05-23
album: Sometimes
  type: MusicAlbum
  date published: 2016-08-31
album: House Dance Pop
  type: MusicAlbum
  date published: 2020-09-01
album: STANDARDS
  type: MusicAlbum
  date published: 2024-03-01
album: Standards
  type: MusicAlbum
  date published: 2024-03-01