Mikasanai
type: MusicGroup
popularity: 8
followers: 4
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb9b8858d10d051507ce4836b6be1cbeb6a284fae530307546c9029cbff0fd105
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954555
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954555
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ae749dbe-9cf1-4112-8e12-c6a85a492e67.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ae749dbe-9cf1-4112-8e12-c6a85a492e67.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/ae749dbe-9cf1-4112-8e12-c6a85a492e67
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T12:10:20Z
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 0xb9b8858d10d051507ce4836b6be1cbeb6a284fae530307546c9029cbff0fd105. Chain 2 (Bitcoin): anchored in block 954556 (2026-06-20T12:14:15Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ae749dbe-9cf1-4112-8e12-c6a85a492e67.json and https://artists.proofprofile.net/proofs/artist/ae749dbe-9cf1-4112-8e12-c6a85a492e67.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T12:14:15Z
album: Just a Min
  type: MusicAlbum
  date published: 2024-09-26
album: OPM Sad Theme Piano
  type: MusicAlbum
  date published: 2024-10-11
  track: OPM Sad Theme Piano
    type: MusicRecording
    duration: PT1M51S
    duration ms: 111355
    explicit: false
    by artist: Mikasanai
    in album: OPM Sad Theme Piano
      type: MusicAlbum
      date published: 2024-10-11
    isrc code: US3DF2504626
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-04T18:11:57+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x00d04f50c74086f87852fc57e0118f0fe4532a42982be2927c502259d6a38446
    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/US3DF2504626
    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 0x00d04f50c74086f87852fc57e0118f0fe4532a42982be2927c502259d6a38446. 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/US3DF2504626.
      date published: 2026-07-05T01:43:49Z
    audio: OPM Sad Theme Piano
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 59.046
      additional property: Musical Key
        type: PropertyValue
        value: 3
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.528
      additional property: Energy
        type: PropertyValue
        value: 0.132
      additional property: Speechiness
        type: PropertyValue
        value: 0.028
      additional property: Acousticness
        type: PropertyValue
        value: 0.991
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.814
      additional property: Liveness
        type: PropertyValue
        value: 0.367
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.206
      additional property: Loudness (dB)
        type: PropertyValue
        value: -18.735
      additional property: Key Name
        type: PropertyValue
        value: Eb
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Hokage's Funeral
  type: MusicAlbum
  date published: 2024-10-25
album: Katawaredoki
  type: MusicAlbum
  date published: 2024-11-01
album: Where Our Blue Is
  type: MusicAlbum
  date published: 2024-11-08
album: Next To You
  type: MusicAlbum
  date published: 2024-11-15
album: Drowning Love - Kou Wo Oikakete
  type: MusicAlbum
  date published: 2024-11-22
album: Loneliness (Naruto)
  type: MusicAlbum
  date published: 2024-12-09
  track: Loneliness (Naruto)
    type: MusicRecording
    duration: PT1M58S
    duration ms: 118348
    explicit: false
    by artist: Mikasanai
    in album: Loneliness (Naruto)
      type: MusicAlbum
      date published: 2024-12-09
    isrc code: GXF972470580
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-04T06:28:51+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x7f46b4be1bf0b87d49627d5a4049027cfb47573bdba00e36bbe3d116faa6116f
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956656
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956656
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GXF972470580
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-04T14:03:39Z
    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 0x7f46b4be1bf0b87d49627d5a4049027cfb47573bdba00e36bbe3d116faa6116f. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/GXF972470580.
      date published: 2026-07-04T14:03:39Z
    audio: Loneliness (Naruto)
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 55.981
      additional property: Musical Key
        type: PropertyValue
        value: 4
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.589
      additional property: Energy
        type: PropertyValue
        value: 0.04
      additional property: Speechiness
      additional property: Acousticness
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Mother Sea
album: Is There Still Anything That Love Can Do?
album: Aruarian Dance
album: Married Life
album: Love Story
album: Brothers
album: Sparkle
album: Uchiage Hanabi (Fireworks)
album: Undertale Piano Vol. 1
album: Secret Base Anohana (Piano)
album: Naruto Sad Piano, Vol. 1
album: Sad Anime Piano, Vol. 1
album: Sad Anime Piano Vol 2
album: Naruto Sad Piano
album: Sad Anime Piano, Vol. 3

Speechiness
type: PropertyValue
value: 0.042

Acousticness
type: PropertyValue
value: 0.987

Instrumentalness
type: PropertyValue
value: 0.974

Liveness
type: PropertyValue
value: 0.103

Valence (Positivity)
type: PropertyValue
value: 0.245

Loudness (dB)
type: PropertyValue
value: -17.022

Key Name
type: PropertyValue
value: E

Mode Name
type: PropertyValue
value: Minor

Mother Sea
type: MusicAlbum
date published: 2024-12-13

Is There Still Anything That Love Can Do?
type: MusicAlbum
date published: 2024-12-16

Aruarian Dance
type: MusicAlbum
date published: 2024-12-20

Married Life
type: MusicAlbum
date published: 2024-12-24

Love Story
type: MusicAlbum
date published: 2024-12-27

Brothers
type: MusicAlbum
date published: 2025

Sparkle
type: MusicAlbum
date published: 2025-01-01

Uchiage Hanabi (Fireworks)
type: MusicAlbum
date published: 2025-01-03

Undertale Piano Vol. 1
type: MusicAlbum
date published: 2025-01-17

Secret Base Anohana (Piano)
type: MusicAlbum
date published: 2025-04-18

Naruto Sad Piano, Vol. 1
type: MusicAlbum
date published: 2025-05-23

Sad Anime Piano, Vol. 1
type: MusicAlbum
date published: 2025-06-13

Sad Anime Piano Vol 2
type: MusicAlbum
date published: 2025-08-21

Naruto Sad Piano
type: MusicAlbum
date published: 2025-09-08

Sad Anime Piano, Vol. 3
type: MusicAlbum
date published: 2025-10-31