Aleta
type: MusicGroup
genre: anime
popularity: 31
followers: 1947
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xca00a089d3a4917622541840eb9e5a358375f64bdd793c78f64b1c4f58a0f418
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/0f2cd852-f666-4dbe-a625-f2a75f691081.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/0f2cd852-f666-4dbe-a625-f2a75f691081.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/0f2cd852-f666-4dbe-a625-f2a75f691081
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
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 0xca00a089d3a4917622541840eb9e5a358375f64bdd793c78f64b1c4f58a0f418. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0f2cd852-f666-4dbe-a625-f2a75f691081.json and https://artists.proofprofile.net/proofs/artist/0f2cd852-f666-4dbe-a625-f2a75f691081.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
album: Demon Slayer: Piano Collection
  type: MusicAlbum
  date published: 2021-10-15
album: Zankyou Sanka (Demon Slayer Piano)
  type: MusicAlbum
  date published: 2021-12-08
album: Attack on Titan: Piano Collection
  type: MusicAlbum
  date published: 2021-12-30
album: Akuma no Ko (Attack on Titan Piano)
  type: MusicAlbum
  date published: 2022-01-14
album: Harry Potter: Piano Collection
  type: MusicAlbum
  date published: 2022-01-25
album: Star Wars Prequel Trilogy: Relaxing Piano Collection
  type: MusicAlbum
  date published: 2022-02-09
album: Star Wars Original Trilogy: Relaxing Piano Collection
  type: MusicAlbum
  date published: 2022-02-11
album: Genshin Impact: Piano Collection One
  type: MusicAlbum
  date published: 2022-02-22
album: Gyutaro and Daki's Past Theme (Demon Slayer Piano)
  type: MusicAlbum
  date published: 2022-02-24
album: Jojo's Bizarre Adventure: Piano Collection One
  type: MusicAlbum
  date published: 2022-04-13
album: The Legend of Zelda: Piano Collection One
  type: MusicAlbum
  date published: 2022-05-02
  track: Lost Woods (Relaxing Piano)
    type: MusicRecording
    duration: PT2M32S
    duration ms: 152234
    explicit: false
    by artist: Aleta
    in album: The Legend of Zelda: Piano Collection One
      type: MusicAlbum
      date published: 2022-05-02
    genre: anime
    isrc code: QZHN82288436
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-04T01:27:44+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x034e20f5fd7cc840b5e378f7e4df7e87a903455be2923f672194cdde993a09c6
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956634
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956634
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHN82288436
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-04T10:04:33Z
    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 0x034e20f5fd7cc840b5e378f7e4df7e87a903455be2923f672194cdde993a09c6. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/QZHN82288436.
      date published: 2026-07-04T10:04:33Z
    audio: Lost Woods (Relaxing Piano)
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 94.02
      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: 0.573
      additional property: Energy
        type: PropertyValue
        value: 0.144
      additional property: Speechiness
        type: PropertyValue
        value: 0.047
      additional property: Acousticness
        type: PropertyValue
        value: 0.989
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.873
      additional property: Liveness
        type: PropertyValue
        value: 0.086
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.253
      additional property: Loudness (dB)
        type: PropertyValue
        value: -26.682
      additional property: Key Name
        type: PropertyValue
        value: C
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Attack on Titan: Ambient Collection
  type: MusicAlbum
  date published: 2022-07-20
  track: Call of Silence (Attack on Titan Ambient)
    type: MusicRecording
    duration: PT4M17S
    duration ms: 257019
    explicit: false
    by artist: Aleta
    in album: Attack on Titan: Ambient Collection
      type: MusicAlbum
      date published: 2022-07-20
    genre: anime
    isrc code: QZMEQ2267833
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-19T03:10:01+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x59258a9450fd967b03ad1644b7a980ae6b80d8be353ddbab0f76911e17c8a570
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958690
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958690
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZMEQ2267833
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-19T07:14:39Z
    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 0x59258a9450fd967b03ad1644b7a980ae6b80d8be353ddbab0f76911e17c8a570. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/QZMEQ2267833.
      date published: 2026-07-19T07:14:39Z
    audio: Call of Silence (Attack on Titan Ambient)
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 69.199
      additional property: Musical Key
      additional property: Mode (Major/Minor)
      additional property: Time Signature
      additional property: Danceability
      additional property: Energy
      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: Kizuna no Kiseki

Musical Key
type: PropertyValue
value: 6

Mode (Major/Minor)
type: PropertyValue
value: 0

Time Signature
type: PropertyValue
value: 3

Danceability
type: PropertyValue
value: 0.152

Energy
type: PropertyValue
value: 0.012

Speechiness
type: PropertyValue
value: 0.044

Acousticness
type: PropertyValue
value: 0.995

Instrumentalness
type: PropertyValue
value: 0.928

Liveness
type: PropertyValue
value: 0.077

Valence (Positivity)
type: PropertyValue
value: 0.063

Loudness (dB)
type: PropertyValue
value: -29.935

Key Name
type: PropertyValue
value: F#

Mode Name
type: PropertyValue
value: Minor

Kizuna no Kiseki
type: MusicAlbum
date published: 2023-04-11