Ondekoza
type: MusicGroup
description: ("demon drum group"), sometimes referred to as "Za Ondekoza", is a Japanese troupe specializing in taiko drumming. Founded in 1969 by Den Tagayasu, in Sado Island, Japan. Ondekoza was influential in
popularity: 6
followers: 228
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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additional property: OTSVerifyInstructions
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  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 0x86b0e5bdcfe2a65a2ee5247e5778eb629eb8ad4bad997e3b703c6614326f03d6. Chain 2 (Bitcoin): anchored in block 953949 (2026-06-16T13:28:01Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/158da9f1-a677-45c8-b35f-dd2c1faefe19.json and https://artists.proofprofile.net/proofs/artist/158da9f1-a677-45c8-b35f-dd2c1faefe19.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T13:28:01Z
album: Ondekoza New
  type: MusicAlbum
  date published: 1993-10-21
album: Ondekoza III
  type: MusicAlbum
  date published: 1994-08-24
album: Ondekoza II
  type: MusicAlbum
  date published: 1994-08-24
album: Ondekoza I
  type: MusicAlbum
  date published: 1994-08-24
album: Ondekoza Densetsu
  type: MusicAlbum
  date published: 1994-10-21
album: Ondekoza Roulade
  type: MusicAlbum
  date published: 1994-11-23
album: Typhoon
  type: MusicAlbum
  date published: 1995-02-22
album: TWIN BEST - Ondekoza
  type: MusicAlbum
  date published: 1998-11-06
track: GUN x SWORD
track: Your Bride

GUN x SWORD
type: MusicRecording
duration: PT1M35S
duration ms: 95500
explicit: false
by artist: Kotaro Nakagawa
by artist: Ondekoza
in album: GUNxSWORD Original Soundtrack
  type: MusicAlbum
  date published: 2005-09-22
popularity: 16
genre: anime-score
isrc code: JPVI00526260
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSTimestamp
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  value: 2026-07-02T03:30:09+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 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. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb102adc01ba586298770c6bb77f4857b1bd73090f4684f77f62b2bfe2c00273e. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPVI00526260.
  date published: 2026-07-02T03:55:08Z
audio: GUN x SWORD
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 160.117
  additional property: Musical Key
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  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
    value: 0.127
  additional property: Acousticness
    type: PropertyValue
    value: 0.013
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.677
  additional property: Liveness
    type: PropertyValue
    value: 0.087
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.383
  additional property: Loudness (dB)
    type: PropertyValue
    value: -10.095
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Your Bride
type: MusicRecording
duration: PT3M4S
duration ms: 184533
explicit: false
by artist: Kotaro Nakagawa
by artist: Ondekoza
in album: GUNxSWORD Original Soundtrack
  type: MusicAlbum
  date published: 2005-09-22
popularity: 1
genre: anime-score
isrc code: JPVI00526330
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
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  value: 2026-07-08T03:20:19+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 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. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c7abd1ff12d7ec46a65f4e003a0d09b8c398218d825c1e1ef0e65e071316c6c. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPVI00526330.
  date published: 2026-07-08T03:22:41Z
audio: Your Bride
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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    value: 0.897
  additional property: Liveness
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  additional property: Valence (Positivity)
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    value: 0.31
  additional property: Loudness (dB)
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    value: -11.73
  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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