HAMAHKEE
type: MusicGroup
popularity: 10
followers: 225
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x84f0497e92386786e54a419d04f31b52bf31bfb3f436d322003d9c9827b41802
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954667
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954667
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/bc9b58e9-493a-470f-913e-33e1ef457e12.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/bc9b58e9-493a-470f-913e-33e1ef457e12.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/bc9b58e9-493a-470f-913e-33e1ef457e12
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T07:29:20Z
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 0x84f0497e92386786e54a419d04f31b52bf31bfb3f436d322003d9c9827b41802. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/bc9b58e9-493a-470f-913e-33e1ef457e12.json and https://artists.proofprofile.net/proofs/artist/bc9b58e9-493a-470f-913e-33e1ef457e12.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T07:29:20Z
album: DREAMER
  type: MusicAlbum
  date published: 2016-02-22
album: DREAMER
  type: MusicAlbum
  date published: 2016-02-22
album: 癒やしの場所
  type: MusicAlbum
  date published: 2017
album: BACK IN THE DAYS
  type: MusicAlbum
  date published: 2017-07-08
album: 自作自演
  type: MusicAlbum
  date published: 2018-09-20
  track: オレはオレを信じて生きる
    type: MusicRecording
    duration: PT4M37S
    duration ms: 277550
    explicit: false
    by artist: HAMAHKEE
    in album: 自作自演
      type: MusicAlbum
      date published: 2018-09-20
    isrc code: TCJPI1825838
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-15T18:31:18+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x4a6304fb99373d77bd382360420c967c5d801dfaee65f8411526c904f174c80a
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958196
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958196
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPI1825838
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-15T20:38:50Z
    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 0x4a6304fb99373d77bd382360420c967c5d801dfaee65f8411526c904f174c80a. Chain 2 (Bitcoin): anchored in block 958196 (2026-07-15T20:38:50Z), 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/TCJPI1825838.
      date published: 2026-07-15T20:38:50Z
    audio: オレはオレを信じて生きる
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 104.982
      additional property: Musical Key
        type: PropertyValue
        value: 5
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.703
      additional property: Energy
        type: PropertyValue
        value: 0.794
      additional property: Speechiness
        type: PropertyValue
        value: 0.049
      additional property: Acousticness
        type: PropertyValue
        value: 0.011
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.075
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.334
      additional property: Loudness (dB)
        type: PropertyValue
        value: -4.101
      additional property: Key Name
        type: PropertyValue
        value: F
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Self-made performance
  type: MusicAlbum
  date published: 2018-09-20
album: TRUE
  type: MusicAlbum
  date published: 2019-04-14
album: Jisakujien ~Part 2~
  type: MusicAlbum
  date published: 2019-05-17
album: 自作自演 ~第二章~
  type: MusicAlbum
  date published: 2019-05-17
album: Friends 'n Family
  type: MusicAlbum
  date published: 2019-06-04
album: Friends 'n Family
  type: MusicAlbum
  date published: 2019-06-04
album: SUMMAH PARTY
  type: MusicAlbum
  date published: 2019-07-04
album: JISAKUJIEN -EPisode III-
  type: MusicAlbum
  date published: 2019-10-23
album: JISAKUJIEN -EPisode Ⅲ-
  type: MusicAlbum
  date published: 2019-10-23
album: JISAKUJIEN -EPisode IV-
  type: MusicAlbum
  date published: 2020-02-13
album: JISAKUJIEN -EPisode Ⅳ-
  type: MusicAlbum
  date published: 2020-02-13
album: JISAKUJIEN -EPisode V-
  type: MusicAlbum
  date published: 2020-08-11
album: JISAKUJIEN -EPisode Ⅴ-
  type: MusicAlbum
  date published: 2020-08-11
album: JISAKUJIEN -EPisode VI-
  type: MusicAlbum
  date published: 2022-01-31
album: JISAKUJIEN -EPisode Ⅵ-
  type: MusicAlbum
  date published: 2022-01-31
album: JISAKUJIEN EPisode VII
  type: MusicAlbum
  date published: 2022-12-27
album: JISAKUJIEN EPisodeⅦ
  type: MusicAlbum
  date published: 2022-12-27
  track: やりたい事をやる
    type: MusicRecording
    duration: PT4M26S
    duration ms: 266122
    explicit: false
    by artist: HAMAHKEE
    in album: JISAKUJIEN EPisodeⅦ
      type: MusicAlbum
      date published: 2022-12-27
    isrc code: TCJPT2299196
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-15T12:42:58+00:00
    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: やりたい事をやる
album: JISAKUJIEN -EPisode Ⅷ-
album: JISAKUJIEN -EPisode VIII-
album: JISAKUJIEN -EPisode IX-
album: JISAKUJIEN -EPisode Ⅸ-
album: ICHI-YEN
album: JISAKUJIEN -EPisode X-
album: JISAKUJIEN -EPisode Ⅹ-

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x9afdedfc45d6700fb880813823a7ea007deae24259175e8c8f5ae61b9ffb080d

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 958157

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/958157

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPT2299196

OTSTimestamp
type: PropertyValue
value: 2026-07-15T15:44:51Z

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 0x9afdedfc45d6700fb880813823a7ea007deae24259175e8c8f5ae61b9ffb080d. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T15:44:51Z), 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/TCJPT2299196.
date published: 2026-07-15T15:44:51Z

やりたい事をやる
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 176.031
additional property: Musical Key
  type: PropertyValue
  value: 1
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.53
additional property: Energy
  type: PropertyValue
  value: 0.829
additional property: Speechiness
  type: PropertyValue
  value: 0.125
additional property: Acousticness
  type: PropertyValue
  value: 0.046
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.107
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.563
additional property: Loudness (dB)
  type: PropertyValue
  value: -4.967
additional property: Key Name
  type: PropertyValue
  value: C#
additional property: Mode Name
  type: PropertyValue
  value: Major

JISAKUJIEN -EPisode Ⅷ-
type: MusicAlbum
date published: 2024-01-02

JISAKUJIEN -EPisode VIII-
type: MusicAlbum
date published: 2024-01-02

JISAKUJIEN -EPisode IX-
type: MusicAlbum
date published: 2024-10-30

JISAKUJIEN -EPisode Ⅸ-
type: MusicAlbum
date published: 2024-10-30
track: Good Over Evil
  type: MusicRecording
  duration: PT3M39S
  duration ms: 219208
  explicit: false
  by artist: HAMAHKEE
  in album: JISAKUJIEN -EPisode Ⅸ-
    type: MusicAlbum
    date published: 2024-10-30
  isrc code: TCJPC2433338
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T20:39:37+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xc34806fe7338c070392ec3cd5908e039c073eb5568683461b5bdf02f3aecb5da
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956728
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956728
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPC2433338
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T01:43:49Z
  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 0xc34806fe7338c070392ec3cd5908e039c073eb5568683461b5bdf02f3aecb5da. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/TCJPC2433338.
    date published: 2026-07-05T01:43:49Z
  audio: Good Over Evil
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 89.992
    additional property: Musical Key
      type: PropertyValue
      value: 4
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.689
    additional property: Energy
      type: PropertyValue
      value: 0.575
    additional property: Speechiness
      type: PropertyValue
      value: 0.062
    additional property: Acousticness
      type: PropertyValue
      value: 0.373
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.225
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.342
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.358
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Major

ICHI-YEN
type: MusicAlbum
date published: 2025-03-01

ICHI-YEN
type: MusicAlbum
date published: 2025-03-01

JISAKUJIEN -EPisode X-
type: MusicAlbum
date published: 2025-05-30

JISAKUJIEN -EPisode Ⅹ-
type: MusicAlbum
date published: 2025-05-30