上條恒彦
type: MusicGroup
genre: enka
genre: kayokyoku
popularity: 9
followers: 488
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcd0c5db026d9aa7c78c2e5a73175456352a25fca599a1fcf591a8e5383da29f7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954342
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954342
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/8e509850-d6fd-4785-8539-e75a27b7342f.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/8e509850-d6fd-4785-8539-e75a27b7342f.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/8e509850-d6fd-4785-8539-e75a27b7342f
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-19T03:22:39Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xcd0c5db026d9aa7c78c2e5a73175456352a25fca599a1fcf591a8e5383da29f7","name":"上條恒彦","registered_at":"2026-06-17T15:20:45Z","symbol":"NIM1436616","token_address":"0x488f4da8136313ca716b139a64e20b1ab102ec72","type":"artist","uuid":"8e509850-d6fd-4785-8539-e75a27b7342f"}
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 0xcd0c5db026d9aa7c78c2e5a73175456352a25fca599a1fcf591a8e5383da29f7. Chain 2 (Bitcoin): anchored in block 954342 (2026-06-19T03:22:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8e509850-d6fd-4785-8539-e75a27b7342f.json and https://artists.proofprofile.net/proofs/artist/8e509850-d6fd-4785-8539-e75a27b7342f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-19T03:22:39Z
  text: {"copyright_id":"0xcd0c5db026d9aa7c78c2e5a73175456352a25fca599a1fcf591a8e5383da29f7","name":"上條恒彦","registered_at":"2026-06-17T15:20:45Z","symbol":"NIM1436616","token_address":"0x488f4da8136313ca716b139a64e20b1ab102ec72","type":"artist","uuid":"8e509850-d6fd-4785-8539-e75a27b7342f"}
album: 雨よふれ
  type: MusicAlbum
  date published: 1969-11-01
album: 仲間
  type: MusicAlbum
  date published: 1971-01-20
album: 上條恒彦ファースト・アルバム -誰も知らない私の悩み-
  type: MusicAlbum
  date published: 1971-10-01
album: 出発の歌-失われた時を求めて-
  type: MusicAlbum
  date published: 1971-11-25
album: だれかが風の中で
  type: MusicAlbum
  date published: 1972-01-05
album: 出発の歌 グランプリ 上條恒彦
  type: MusicAlbum
  date published: 1972-02-25
  track: 出発の歌
    type: MusicRecording
    duration: PT4M26S
    duration ms: 266666
    explicit: false
    by artist: 上條恒彦
    in album: 出発の歌 グランプリ 上條恒彦
      type: MusicAlbum
      date published: 1972-02-25
    genre: enka
    genre: kayokyoku
    isrc code: JPKI07151456
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-20T14:50:06+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x6be47d944762a171a8911c467a2f354085d0713bbcd45a6d1cf95980e63c8e63
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956856
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956856
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPKI07151456
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-06T01:25:57Z
    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
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6be47d944762a171a8911c467a2f354085d0713bbcd45a6d1cf95980e63c8e63. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/JPKI07151456.
      date published: 2026-07-06T01:25:57Z
    audio: 出発の歌
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 109.067
      additional property: Musical Key
        type: PropertyValue
        value: 10
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.333
      additional property: Energy
        type: PropertyValue
        value: 0.393
      additional property: Speechiness
        type: PropertyValue
        value: 0.032
      additional property: Acousticness
        type: PropertyValue
        value: 0.186
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.122
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.445
      additional property: Loudness (dB)
        type: PropertyValue
        value: -12.194
      additional property: Key Name
        type: PropertyValue
        value: Bb
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: あなたがいれば
  type: MusicAlbum
  date published: 1972-06-10
album: 街が海に沈むとき -上條恒彦セカンドアルバム-
  type: MusicAlbum
  date published: 1972-08-25
album: 都会の朝
  type: MusicAlbum
  date published: 1972-12-10
album: 珊瑚礁に何を見た
  type: MusicAlbum
  date published: 1973-04-25
album: 昨日はもう過ぎ去って
  type: MusicAlbum
  date published: 1973-06-10
album: 上條恒彦サードアルバム -珊瑚礁に何を見た-
  type: MusicAlbum
  date published: 1973-07-05
album: 天下堂々
  type: MusicAlbum
  date published: 1974-01-25
album: 蒼空
  type: MusicAlbum
  date published: 1974-05-25
album: 遠くへ行きたい
  type: MusicAlbum
  date published: 1974-11-25
album: STAGE/橋はいつも
  type: MusicAlbum
  date published: 1975-01-25
album: 橋のうえで
  type: MusicAlbum
  date published: 1976-08-05
album: 風の声
  type: MusicAlbum
  date published: 1978-02-21
album: 鎌倉は子守唄
  type: MusicAlbum
  date published: 1979-05-05
album: 鎌倉は子守唄
  type: MusicAlbum
  date published: 1979-05-21
album: 夢のあと
  type: MusicAlbum
  date published: 2012-10-31
album: お母さんの写真
  type: MusicAlbum
  date published: 2013-06-05
album: 生きているということは
  type: MusicAlbum
  date published: 2013-09-04
track: 出発の歌
  type: MusicRecording
  duration: PT4M26S
  duration ms: 266521
  explicit: false
  by artist: 上條恒彦
  by artist: 六文銭
  in album: シングルス・六文銭
  isrc code: JPKI07151456
  additional property: CopyrightID
  additional property: CopyrightStatus
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: 出発の歌

上條恒彦
type: MusicGroup

六文銭
type: MusicGroup

シングルス・六文銭
type: MusicAlbum
date published: 1974-06-25

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-06-20T14:50:06+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x6be47d944762a171a8911c467a2f354085d0713bbcd45a6d1cf95980e63c8e63

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 956304

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/956304

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPKI07151456

OTSTimestamp
type: PropertyValue
value: 2026-07-02T03:55:08Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6be47d944762a171a8911c467a2f354085d0713bbcd45a6d1cf95980e63c8e63. 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/JPKI07151456.
date published: 2026-07-02T03:55:08Z

出発の歌
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 124.172
additional property: Musical Key
  type: PropertyValue
  value: 10
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.351
additional property: Energy
  type: PropertyValue
  value: 0.47
additional property: Speechiness
  type: PropertyValue
  value: 0.032
additional property: Acousticness
  type: PropertyValue
  value: 0.339
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.111
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.441
additional property: Loudness (dB)
  type: PropertyValue
  value: -13.058
additional property: Key Name
  type: PropertyValue
  value: Bb
additional property: Mode Name
  type: PropertyValue
  value: Major