KAMADA
type: MusicGroup
description: Kamada (written: lit. "sickle ricefield") is a Japanese surname. Notable people with the surname include: , Japanese footballer , Japanese fencer , Japanese sport wrestler , Imperial Japanese Navy a
popularity: 2
followers: 337
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6cbd73dc9f74a57c97f49070826f9807fd39047fa34e7cce48d627f87394ece8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954065
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954065
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4ccb1533-402d-4108-a940-44faf6d8d596.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4ccb1533-402d-4108-a940-44faf6d8d596.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/4ccb1533-402d-4108-a940-44faf6d8d596
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:10:43Z
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 0x6cbd73dc9f74a57c97f49070826f9807fd39047fa34e7cce48d627f87394ece8. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4ccb1533-402d-4108-a940-44faf6d8d596.json and https://artists.proofprofile.net/proofs/artist/4ccb1533-402d-4108-a940-44faf6d8d596.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
album: Sonic Destroyer
  type: MusicAlbum
  date published: 2019-09-10
album: Kamada Compilation 001
  type: MusicAlbum
  date published: 2019-12-11
album: Kamada Compilation 001
  type: MusicAlbum
  date published: 2019-12-11
album: Interstellar
  type: MusicAlbum
  date published: 2020-03-16
album: Interstellar
  type: MusicAlbum
  date published: 2020-03-16
album: RETURN
  type: MusicAlbum
  date published: 2022-10-01