渡辺はま子
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genre: boogie-woogie
genre: enka
genre: kayokyoku
popularity: 12
followers: 770
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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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x579e814997b1d802a03baf4014208713373bdaa4ba9bbbf64bd5a241f1e43d03. Chain 2 (Bitcoin): anchored in block 953770 (2026-06-15T09:50:11Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/be7ca3fb-6ce8-42f5-a011-24e56db2a09e.json and https://artists.proofprofile.net/proofs/artist/be7ca3fb-6ce8-42f5-a011-24e56db2a09e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T09:50:11Z
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album: 渡辺 はま子 ザ・ベスト
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  date published: 2013-11-20
  track: 蘇州夜曲
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      type: MusicAlbum
      date published: 2013-11-20
    genre: boogie-woogie
    genre: enka
    genre: kayokyoku
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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 0x05378c2fae1573954681589e4018f179087bd6ba6c1a869c53a3ffdc95ff2b50. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/JPVI06902540.
      date published: 2026-07-17T19:12:23Z
    audio: 蘇州夜曲
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      additional property: Valence (Positivity)
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  track: いとしあの星
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    by artist: 渡辺はま子
    in album: 渡辺 はま子 ザ・ベスト
      type: MusicAlbum
      date published: 2013-11-20
    genre: boogie-woogie
    genre: enka
    genre: kayokyoku
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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 0x621cec43641e830ea3fad5c5e5b908bb06a505ddd311dc198f4d6e942379bb5b. Chain 2 (Bitcoin): anchored in block 958853 (2026-07-20T11:30:24Z), 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/JPVI06902580.
      date published: 2026-07-20T11:30:24Z
    audio: いとしあの星
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      additional property: Danceability
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      additional property: Liveness
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album: ゴールデン☆ベスト 美わしの歌声・渡辺はま子
album: 渡辺はま子の世界 〜蘇州夜曲〜

Liveness
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value: 0.09

Valence (Positivity)
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Loudness (dB)
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Key Name
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Mode Name
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ゴールデン☆ベスト 美わしの歌声・渡辺はま子
type: MusicAlbum
date published: 2015-05-27
track: 桑港のチャイナ街
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    date published: 2015-05-27
  genre: boogie-woogie
  genre: enka
  genre: kayokyoku
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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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    date published: 2026-07-18T12:14:37Z
  audio: 桑港のチャイナ街
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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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渡辺はま子の世界 〜蘇州夜曲〜
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date published: 2023-08-23
track: シナの夜
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    date published: 2023-08-23
  genre: boogie-woogie
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  genre: kayokyoku
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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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    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf404ea21981f6822bf9085e484382cca1b90a309c6c05e7968893d5a9d1341d3. Chain 2 (Bitcoin): anchored in block 958943 (2026-07-21T00:27:37Z), 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/JPCO04013000.
    date published: 2026-07-21T00:27:37Z
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