Daisuke Hirakawa
type: MusicGroup
description: is a Japanese voice actor and currently active as a freelancer. He is the official Japanese voice actor for Orlando Bloom. Career He has done Japanese voice-overs for two of Orlando Bloom's characte
popularity: 23
followers: 69
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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
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track: Heigh-Ho
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  by artist: Akio Otsuka
  by artist: Yoshio Kojima
  by artist: Satoshi Hino
  by artist: Daisuke Hirakawa
  by artist: Atsuhiro Tsuda
  by artist: Daisuke Namikawa
  in album: Disney's Snow White (Japanese Original Motion Picture Soundtrack)
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    date published: 2025-03-20
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  additional property: OTSVerifyInstructions
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    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
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-06-13T17:25:41Z
  audio: Heigh-Ho
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    additional property: Speechiness
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    additional property: Valence (Positivity)
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track: Whistle While You Work
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  by artist: Sakura Kiryu
  by artist: Daisuke Hirakawa
  by artist: Atsuhiro Tsuda
  by artist: Jeff Morrow
  in album: Disney's Snow White (Japanese Original Motion Picture Soundtrack)
    type: MusicAlbum
    date published: 2025-03-20
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  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
  subject of: OpenTimestamps Proof of Existence
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x946e2aa34621c3c9bcae70b53f15a6335eb8a4f7da00abdd66d93ca7c826e7a1. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/USWD12536775.
    date published: 2026-06-13T17:25:41Z
  audio: Whistle While You Work
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Liveness
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Valence (Positivity)
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Loudness (dB)
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Key Name
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Mode Name
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Heigh-Ho
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explicit: false
by artist: Akio Otsuka
by artist: Yoshio Kojima
by artist: Satoshi Hino
by artist: Daisuke Hirakawa
by artist: Atsuhiro Tsuda
by artist: Daisuke Namikawa
in album: Disney's Snow White (Japanese Original Motion Picture Soundtrack/Deluxe Edition)
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  date published: 2025-03-20
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additional property: OTSTimestamp
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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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f34d89afc03a001e4c4b430e1d38f618cc82c067af8af46782792911a76ae8d. 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/USWD12536773.
  date published: 2026-07-02T03:55:08Z
audio: Heigh-Ho
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  additional property: Time Signature
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  additional property: Danceability
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  additional property: Speechiness
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Whistle While You Work
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duration: PT3M2S
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by artist: Sakura Kiryu
by artist: Daisuke Hirakawa
by artist: Atsuhiro Tsuda
by artist: Jeff Morrow
in album: Disney's Snow White (Japanese Original Motion Picture Soundtrack/Deluxe Edition)
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  date published: 2025-03-20
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x946e2aa34621c3c9bcae70b53f15a6335eb8a4f7da00abdd66d93ca7c826e7a1. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T19:07:14Z), 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/USWD12536775.
  date published: 2026-06-17T19:07:14Z
audio: Whistle While You Work
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