MEGAHORN
type: MusicGroup
genre: j-rap
popularity: 14
followers: 620
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd72a148fa8680dcc190c06d02c28ab9ca3b0fc5ccffe4805fc5bb5294487eb00
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953657
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953657
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4ee36c6a-c4d7-4327-8a07-5174555d5084.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4ee36c6a-c4d7-4327-8a07-5174555d5084.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/4ee36c6a-c4d7-4327-8a07-5174555d5084
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T16:43:25Z
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 0xd72a148fa8680dcc190c06d02c28ab9ca3b0fc5ccffe4805fc5bb5294487eb00. Chain 2 (Bitcoin): anchored in block 953657 (2026-06-14T16:43:25Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4ee36c6a-c4d7-4327-8a07-5174555d5084.json and https://artists.proofprofile.net/proofs/artist/4ee36c6a-c4d7-4327-8a07-5174555d5084.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T16:43:25Z
album: BIG-BONED
  type: MusicAlbum
  date published: 2013-09-25
album: 7月7日
  type: MusicAlbum
  date published: 2014-07-02
album: 制御不能 (with @djtomoko n Ucca-Laugh)
  type: MusicAlbum
  date published: 2014-08-27
album: 音楽力 (with Natural Radio Station)
  type: MusicAlbum
  date published: 2014-10-15
album: Lonely Blue Ranger [with TAKANORI(LL BROTHERS)]
  type: MusicAlbum
  date published: 2014-11-26
album: MEGABITE
  type: MusicAlbum
  date published: 2014-12-03
album: The light source
  type: MusicAlbum
  date published: 2016-05-04
album: お月様ライト
  type: MusicAlbum
  date published: 2016-11-12
  track: お月様ライト
    type: MusicRecording
    duration: PT2M25S
    duration ms: 145700
    explicit: false
    by artist: MEGAHORN
    in album: お月様ライト
      type: MusicAlbum
      date published: 2016-11-12
    genre: j-rap
    isrc code: JPY201606632
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-19T23:10:27+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xbd8abeddbae2c7bf4d92fe85adc0e4c88ee9e3d42c21f53d3f90fdcb406f5ee0
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958798
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958798
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPY201606632
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-20T02:10:34Z
    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 0xbd8abeddbae2c7bf4d92fe85adc0e4c88ee9e3d42c21f53d3f90fdcb406f5ee0. Chain 2 (Bitcoin): anchored in block 958798 (2026-07-20T02:10:34Z), 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/JPY201606632.
      date published: 2026-07-20T02:10:34Z
    audio: お月様ライト
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 90.064
      additional property: Musical Key
        type: PropertyValue
        value: 0
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.791
      additional property: Energy
        type: PropertyValue
        value: 0.787
      additional property: Speechiness
        type: PropertyValue
        value: 0.057
      additional property: Acousticness
        type: PropertyValue
        value: 0.401
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.11
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.889
      additional property: Loudness (dB)
        type: PropertyValue
        value: -4.156
      additional property: Key Name
        type: PropertyValue
        value: C
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Otukisamaraito
  type: MusicAlbum
  date published: 2016-11-12
album: お月様ライト
  type: MusicAlbum
  date published: 2016-11-12
album: Alongside
  type: MusicAlbum
  date published: 2017-03-08
album: Alongside
  type: MusicAlbum
  date published: 2017-03-08
album: Alongside
  type: MusicAlbum
  date published: 2017-03-08
album: STAND BY
  type: MusicAlbum
  date published: 2017-10-25
album: STAND BY
  type: MusicAlbum
  date published: 2017-10-25
album: 淡墨ザクラ
  type: MusicAlbum
  date published: 2018-04-01
album: Usuzumi sakura
  type: MusicAlbum
  date published: 2018-04-01
album: 流行歌
  type: MusicAlbum
  date published: 2019-04-28
album: RYUKOUKA
  type: MusicAlbum
  date published: 2019-04-28
album: 日々更新
  type: MusicAlbum
  date published: 2020-07-08
  track: 日々更新
    type: MusicRecording
    duration: PT4M8S
    duration ms: 248365
    explicit: false
    by artist: MEGAHORN
    in album: 日々更新
      type: MusicAlbum
      date published: 2020-07-08
    genre: j-rap
    isrc code: TCJPL2098342
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-03T13:18:36+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x53a694dd3d6dc4f4ab002524bda4c5c4a4d6f1e09362e966379b58ab49f34e76
    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: 日々更新
album: HIBIKOUSHIN
album: 寝ても覚めても
album: Waking or sleeping
album: REHEARSAL
album: Sunny Side
album: NEVER BORING
album: ICHIRIN
album: 一凛
album: Sound of hope
album: 希望の音
track: Run this way

Run this way
type: MusicRecording
duration: PT3M36S
duration ms: 216533
explicit: false
by artist: Banty Foot
by artist: MEGAHORN
in album: VANDARIDDIM
  type: MusicAlbum
  date published: 2014-09-03
isrc code: JPG401400101
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T17:38:01+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa81b7796e04a53b00b284ea8ab3c9520b98e07d705006e821df78543e070f436
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPG401400101
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
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
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 956304
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-02T03:55:08+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa81b7796e04a53b00b284ea8ab3c9520b98e07d705006e821df78543e070f436. 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/JPG401400101.
  date published: 2026-07-02T03:55:08Z
audio: Run this way
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 118.043
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.677
  additional property: Energy
    type: PropertyValue
    value: 0.876
  additional property: Speechiness
    type: PropertyValue
    value: 0.105
  additional property: Acousticness
    type: PropertyValue
    value: 0.197
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.322
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.662
  additional property: Loudness (dB)
    type: PropertyValue
    value: -8.831
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 956560

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/956560

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPL2098342

OTSTimestamp
type: PropertyValue
value: 2026-07-03T23:28:02Z

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 0x53a694dd3d6dc4f4ab002524bda4c5c4a4d6f1e09362e966379b58ab49f34e76. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/TCJPL2098342.
date published: 2026-07-03T23:28:02Z

日々更新
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 104.01
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: 0.721
additional property: Energy
  type: PropertyValue
  value: 0.942
additional property: Speechiness
  type: PropertyValue
  value: 0.043
additional property: Acousticness
  type: PropertyValue
  value: 0.398
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.129
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.962
additional property: Loudness (dB)
  type: PropertyValue
  value: -3.743
additional property: Key Name
  type: PropertyValue
  value: Bb
additional property: Mode Name
  type: PropertyValue
  value: Major

HIBIKOUSHIN
type: MusicAlbum
date published: 2020-07-08

寝ても覚めても
type: MusicAlbum
date published: 2020-10-03

Waking or sleeping
type: MusicAlbum
date published: 2020-10-03

REHEARSAL
type: MusicAlbum
date published: 2020-11-04

REHEARSAL
type: MusicAlbum
date published: 2020-11-04

Sunny Side
type: MusicAlbum
date published: 2021-02-27

Sunny Side
type: MusicAlbum
date published: 2021-02-27

NEVER BORING
type: MusicAlbum
date published: 2021-12-01

NEVER BORING
type: MusicAlbum
date published: 2021-12-01

ICHIRIN
type: MusicAlbum
date published: 2022-04-03

一凛
type: MusicAlbum
date published: 2022-04-03
track: 一凛
  type: MusicRecording
  duration: PT4M24S
  duration ms: 264000
  explicit: false
  by artist: MEGAHORN
  in album: 一凛
    type: MusicAlbum
    date published: 2022-04-03
  genre: j-rap
  isrc code: TCJPR2250192
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-20T13:45:10+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xf5cb1e3eb014b47119deb0f137da0d418968ecb105038a96473fb0c91e1dfb4c
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958905
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958905
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPR2250192
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-20T16:46:36Z
  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 0xf5cb1e3eb014b47119deb0f137da0d418968ecb105038a96473fb0c91e1dfb4c. Chain 2 (Bitcoin): anchored in block 958905 (2026-07-20T16:46:36Z), 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/TCJPR2250192.
    date published: 2026-07-20T16:46:36Z
  audio: 一凛
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 95.028
    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.644
    additional property: Energy
      type: PropertyValue
      value: 0.79
    additional property: Speechiness
      type: PropertyValue
      value: 0.034
    additional property: Acousticness
      type: PropertyValue
      value: 0.519
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.25
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.941
    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.388
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major

Sound of hope
type: MusicAlbum
date published: 2024-08-14

希望の音
type: MusicAlbum
date published: 2024-08-14