Marthes
type: MusicGroup
popularity: 28
followers: 353
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xec838777fc45ba96023c088cea331d2f8c288cf0514ccd546a7280db1cb6b725
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/e369eb20-3e0c-4881-83d0-93da20193a26.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/e369eb20-3e0c-4881-83d0-93da20193a26.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/e369eb20-3e0c-4881-83d0-93da20193a26
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec838777fc45ba96023c088cea331d2f8c288cf0514ccd546a7280db1cb6b725. 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/e369eb20-3e0c-4881-83d0-93da20193a26.json and https://artists.proofprofile.net/proofs/artist/e369eb20-3e0c-4881-83d0-93da20193a26.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
album: Long Kiss Goodbye "Naruto ED7"
  type: MusicAlbum
  date published: 2023-12-14
album: Melodies of Life "Final Fantasy IX" (Piano Version)
  type: MusicAlbum
  date published: 2023-12-14
album: To Zanarkand "Final Fantasy X" (Piano Version)
  type: MusicAlbum
  date published: 2023-12-14
album: Prelude "Final Fantasy VII" (Piano Version)
  type: MusicAlbum
  date published: 2023-12-14
album: Yuna's Theme "Final Fantasy X" (Piano Version)
  type: MusicAlbum
  date published: 2023-12-14
  track: Yuna's Theme "Final Fantasy X" - Piano Version
    type: MusicRecording
    duration: PT3M14S
    duration ms: 194009
    explicit: false
    by artist: Marthes
    in album: Yuna's Theme "Final Fantasy X" (Piano Version)
      type: MusicAlbum
      date published: 2023-12-14
    isrc code: QZWFN2335864
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-16T18:44:48+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x2f234240119e780d5c0a90bd383552bf5f60900d281c6b84fd1a13574accc5eb
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958316
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958316
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZWFN2335864
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-16T19:42:29Z
    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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f234240119e780d5c0a90bd383552bf5f60900d281c6b84fd1a13574accc5eb. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T19:42:29Z), 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/QZWFN2335864.
      date published: 2026-07-16T19:42:29Z
    audio: Yuna's Theme "Final Fantasy X" - Piano Version
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 148.021
      additional property: Musical Key
        type: PropertyValue
        value: 5
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.666
      additional property: Energy
        type: PropertyValue
        value: 0.161
      additional property: Speechiness
        type: PropertyValue
        value: 0.076
      additional property: Acousticness
        type: PropertyValue
        value: 0.978
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.951
      additional property: Liveness
        type: PropertyValue
        value: 0.11
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.269
      additional property: Loudness (dB)
        type: PropertyValue
        value: -18.488
      additional property: Key Name
        type: PropertyValue
        value: F
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Panorama "Hunter X Hunter"
  type: MusicAlbum
  date published: 2023-12-17
  track: Panorama "Hunter X Hunter"
    type: MusicRecording
    duration: PT2M4S
    duration ms: 124456
    explicit: false
    by artist: Marthes
    in album: Panorama "Hunter X Hunter"
      type: MusicAlbum
      date published: 2023-12-17
    isrc code: QZWFP2334419
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-14T23:17:56+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xd8d44b373088061fc929d2f64b7e56a70912fa72958086cf53f92c82474d9e81
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958079
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958079
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZWFP2334419
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-15T00:21:05Z
    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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8d44b373088061fc929d2f64b7e56a70912fa72958086cf53f92c82474d9e81. Chain 2 (Bitcoin): anchored in block 958079 (2026-07-15T00:21:05Z), 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/QZWFP2334419.
      date published: 2026-07-15T00:21:05Z
    audio: Panorama "Hunter X Hunter"
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 209.947
      additional property: Musical Key
        type: PropertyValue
        value: 2
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.453
      additional property: Energy
        type: PropertyValue
        value: 0.105
      additional property: Speechiness
        type: PropertyValue
        value: 0.051
      additional property: Acousticness
        type: PropertyValue
        value: 0.985
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Lit "A Silet Voice"
album: Holding My Thoughts in My Heart
album: Littleroot Town
album: Reason Living Bungo Stray Dogs
album: Mellow "Skip to Loafer"
album: Mephisto "Oshi no Ko"
album: Freesia "Mobile Suit Gundam: Iron-Blooded Orphans"
album: A Declaration of War "Attack on Titan"
album: We Are! "One Piece OP 1" (Piano Version)
album: Moonlike Smile "Genshin Impact"
album: Lovers' Oath "Genshin Impact"
album: We Go! "One Piece OP 15" (Piano Version)
album: Good Night, Liyue "Genshin Impact"
album: Bink's Sake "One Piece"
album: Moon in One's Cup "Genshin Impact"
album: Tender Strength "Genshin Impact"
album: Red Swan "Attack on Titan Season 3 OP" (Piano Version)
album: Gurenge "Demon Slayer OP" (Piano Version)
album: Beneath The Light of Jadeite "Genshin Impact"
album: Again "Your Lie in April" (Piano Version)
album: Que le vent soit doux "Genshin Impact"
album: Call It a Day in Liyue "Genshin Impact"
album: Zankyou Sanka "Demon Slayer" (Piano Version)
album: Orange "Your Lie in April" (Piano Version)
album: White Noise "Tokyo Revengers"
album: Change The World "Inuyasha"
album: Cry Baby "Tokyo Revengers"
album: Shikisai "Spy X Family" (Piano Version)
album: Dan Dan Kokoro Hikareteku "Dragon Ball GT" (Piano Version)
album: Blue Bird "Naruto Shippuden" (Piano Version)
album: Kigeki (Comedy) "Spy X Family"
album: Kick Back "Chainsaw Man" (Piano Version)
album: Hyori Ittai "Hunter X Hunter"
album: Rondeau des fleurs et des rapieres "Genshin Impact" (Orchestral Version)
album: Cloud Smiles
album: Snowfall "Genshin Impact"
album: Ballad of Many Waters "Genshin Impact"
album: Let the Wind Tell You "Genshin Impact"
album: Sink into Oblivion "Genshin Impact"
album: Bustling Bazaar "Genshin Impact"
album: Pathway to the Hidden Isles "Genshin Impact"
album: Les murmures des flots "Genshin Impact"
album: Reason "Hunter X Hunter"
album: Blissful Little Ditty "Genshin Impact"
album: Stories Untold "Genshin Impact"
album: Mary-Ann Garden "Genshin Impact"
album: Venti Theme (Bards Adventure) "Genshin Impact"
album: Hope or Nostalgia "Genshin Impact"
album: Nagareboshi Kirari "Hunter X Hunter"
album: Kamado Tanjirō no Uta "Demon Slayer"
album: Name of Love "Attack on Titan"
album: 夜に駆ける Yoru ni Kakeru (Piano Version)
album: Age of Flowing Hues "Genshin Impact"
album: Vimara Village Day "Genshin Impact"
album: Hero's Come Back!! "Naruto Shippuden"
album: Soundscape To Ardor "Bleach"
album: Nagareboshi (Shooting Star) "Naruto Shippuden"
album: Akari "Jujutsu Kaisen"
album: Life Is Like a Boat "Bleach"

Instrumentalness
type: PropertyValue
value: 0.949

Liveness
type: PropertyValue
value: 0.114

Valence (Positivity)
type: PropertyValue
value: 0.401

Loudness (dB)
type: PropertyValue
value: -24.863

Key Name
type: PropertyValue
value: D

Mode Name
type: PropertyValue
value: Minor

Lit "A Silet Voice"
type: MusicAlbum
date published: 2023-12-17

Holding My Thoughts in My Heart
type: MusicAlbum
date published: 2023-12-18
track: Holding My Thoughts in My Heart
  type: MusicRecording
  duration: PT2M14S
  duration ms: 134052
  explicit: false
  by artist: Marthes
  in album: Holding My Thoughts in My Heart
    type: MusicAlbum
    date published: 2023-12-18
  isrc code: QZWFP2347310
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-17T21:21:37+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa1528a30b8746091e6ed9e3b959cafc162a8d5db1c16782d23c9beab3b352b55
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958461
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958461
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZWFP2347310
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-17T23:18:11Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1528a30b8746091e6ed9e3b959cafc162a8d5db1c16782d23c9beab3b352b55. Chain 2 (Bitcoin): anchored in block 958461 (2026-07-17T23:18:11Z), 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/QZWFP2347310.
    date published: 2026-07-17T23:18:11Z
  audio: Holding My Thoughts in My Heart
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 95.017
    additional property: Musical Key
      type: PropertyValue
      value: 1
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.623
    additional property: Energy
      type: PropertyValue
      value: 0.325
    additional property: Speechiness
      type: PropertyValue
      value: 0.076
    additional property: Acousticness
      type: PropertyValue
      value: 0.982
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.952
    additional property: Liveness
      type: PropertyValue
      value: 0.116
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.04
    additional property: Loudness (dB)
      type: PropertyValue
      value: -18.316
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Major

Littleroot Town
type: MusicAlbum
date published: 2023-12-18

Reason Living Bungo Stray Dogs
type: MusicAlbum
date published: 2023-12-20

Mellow "Skip to Loafer"
type: MusicAlbum
date published: 2023-12-20

Mephisto "Oshi no Ko"
type: MusicAlbum
date published: 2023-12-20

Freesia "Mobile Suit Gundam: Iron-Blooded Orphans"
type: MusicAlbum
date published: 2023-12-20

A Declaration of War "Attack on Titan"
type: MusicAlbum
date published: 2023-12-21

We Are! "One Piece OP 1" (Piano Version)
type: MusicAlbum
date published: 2023-12-22

Moonlike Smile "Genshin Impact"
type: MusicAlbum
date published: 2023-12-28

Lovers' Oath "Genshin Impact"
type: MusicAlbum
date published: 2023-12-28

We Go! "One Piece OP 15" (Piano Version)
type: MusicAlbum
date published: 2023-12-29

Good Night, Liyue "Genshin Impact"
type: MusicAlbum
date published: 2023-12-29

Bink's Sake "One Piece"
type: MusicAlbum
date published: 2023-12-29

Moon in One's Cup "Genshin Impact"
type: MusicAlbum
date published: 2023-12-29

Tender Strength "Genshin Impact"
type: MusicAlbum
date published: 2023-12-29

Red Swan "Attack on Titan Season 3 OP" (Piano Version)
type: MusicAlbum
date published: 2023-12-29

Gurenge "Demon Slayer OP" (Piano Version)
type: MusicAlbum
date published: 2024-01-02

Beneath The Light of Jadeite "Genshin Impact"
type: MusicAlbum
date published: 2024-01-02

Again "Your Lie in April" (Piano Version)
type: MusicAlbum
date published: 2024-01-02

Que le vent soit doux "Genshin Impact"
type: MusicAlbum
date published: 2024-01-02

Call It a Day in Liyue "Genshin Impact"
type: MusicAlbum
date published: 2024-01-02

Zankyou Sanka "Demon Slayer" (Piano Version)
type: MusicAlbum
date published: 2024-01-02

Orange "Your Lie in April" (Piano Version)
type: MusicAlbum
date published: 2024-01-02

White Noise "Tokyo Revengers"
type: MusicAlbum
date published: 2024-01-03

Change The World "Inuyasha"
type: MusicAlbum
date published: 2024-01-03

Cry Baby "Tokyo Revengers"
type: MusicAlbum
date published: 2024-01-03

Shikisai "Spy X Family" (Piano Version)
type: MusicAlbum
date published: 2024-01-03

Dan Dan Kokoro Hikareteku "Dragon Ball GT" (Piano Version)
type: MusicAlbum
date published: 2024-01-03
track: Dan Dan Kokoro Hikareteku "Dragon Ball GT" - Piano Version
  type: MusicRecording
  duration: PT2M3S
  duration ms: 123370
  explicit: false
  by artist: Marthes
  in album: Dan Dan Kokoro Hikareteku "Dragon Ball GT" (Piano Version)
    type: MusicAlbum
    date published: 2024-01-03
  isrc code: QZPJ32326151
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-14T23:20:56+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xf0c0720b9a101195d6a12a1e413e8457fb8734adc4b58d5d92646eaedd13bf9b
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958079
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958079
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZPJ32326151
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-15T00:21:05Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0c0720b9a101195d6a12a1e413e8457fb8734adc4b58d5d92646eaedd13bf9b. Chain 2 (Bitcoin): anchored in block 958079 (2026-07-15T00:21:05Z), 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/QZPJ32326151.
    date published: 2026-07-15T00:21:05Z
  audio: Dan Dan Kokoro Hikareteku "Dragon Ball GT" - Piano Version
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 117.992
    additional property: Musical Key
      type: PropertyValue
      value: 5
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.647
    additional property: Energy
      type: PropertyValue
      value: 0.127
    additional property: Speechiness
      type: PropertyValue
      value: 0.058
    additional property: Acousticness
      type: PropertyValue
      value: 0.994
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.955
    additional property: Liveness
      type: PropertyValue
      value: 0.109
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.17
    additional property: Loudness (dB)
      type: PropertyValue
      value: -27.537
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Major

Blue Bird "Naruto Shippuden" (Piano Version)
type: MusicAlbum
date published: 2024-01-03

Kigeki (Comedy) "Spy X Family"
type: MusicAlbum
date published: 2024-01-03

Kick Back "Chainsaw Man" (Piano Version)
type: MusicAlbum
date published: 2024-01-03

Hyori Ittai "Hunter X Hunter"
type: MusicAlbum
date published: 2024-01-03

Rondeau des fleurs et des rapieres "Genshin Impact" (Orchestral Version)
type: MusicAlbum
date published: 2024-01-04

Cloud Smiles
type: MusicAlbum
date published: 2024-01-04

Snowfall "Genshin Impact"
type: MusicAlbum
date published: 2024-01-04

Ballad of Many Waters "Genshin Impact"
type: MusicAlbum
date published: 2024-01-04

Let the Wind Tell You "Genshin Impact"
type: MusicAlbum
date published: 2024-01-04

Sink into Oblivion "Genshin Impact"
type: MusicAlbum
date published: 2024-01-04

Bustling Bazaar "Genshin Impact"
type: MusicAlbum
date published: 2024-01-04

Pathway to the Hidden Isles "Genshin Impact"
type: MusicAlbum
date published: 2024-01-04

Les murmures des flots "Genshin Impact"
type: MusicAlbum
date published: 2024-01-04

Reason "Hunter X Hunter"
type: MusicAlbum
date published: 2024-01-04

Blissful Little Ditty "Genshin Impact"
type: MusicAlbum
date published: 2024-01-04

Stories Untold "Genshin Impact"
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date published: 2024-01-04

Mary-Ann Garden "Genshin Impact"
type: MusicAlbum
date published: 2024-01-04

Venti Theme (Bards Adventure) "Genshin Impact"
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date published: 2024-01-04
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-12T21:55:15Z
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Hope or Nostalgia "Genshin Impact"
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Nagareboshi Kirari "Hunter X Hunter"
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Kamado Tanjirō no Uta "Demon Slayer"
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Name of Love "Attack on Titan"
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    date published: 2026-07-12T21:46:51Z
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夜に駆ける Yoru ni Kakeru (Piano Version)
type: MusicAlbum
date published: 2024-01-04

Age of Flowing Hues "Genshin Impact"
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Vimara Village Day "Genshin Impact"
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Hero's Come Back!! "Naruto Shippuden"
type: MusicAlbum
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Soundscape To Ardor "Bleach"
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Nagareboshi (Shooting Star) "Naruto Shippuden"
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Akari "Jujutsu Kaisen"
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Life Is Like a Boat "Bleach"
type: MusicAlbum
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Kamihitoe (紙一重) "Hell's Paradise: Jigokuraku"
type: MusicAlbum
date published: 2024-01-05

The Promise "Final Fantasy XIII"
type: MusicAlbum
date published: 2024-01-05

Sincerely "Violet Evergarden"
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Kawaki wo Ameku "Domestic Girlfriend"
type: MusicAlbum
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The Last Waltz "Banana Fish"
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Die Legende "One Piece" (Piano Version)
type: MusicAlbum
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Omoi (The Biggest Dreamer) "Digimon Tamers"
type: MusicAlbum
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Fiddle de Chocobo "Chocobo Racing"
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Moon Halo "Honkai Impact"
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Winter "Harvest Moon"
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-06T06:56:49Z
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Flow "Final Fantasy XIV"
type: MusicAlbum
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To Love's End "Inuyasha"
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Samidare "Naruto"
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Akuma no Ko "Attack on Titan" (Piano Version)
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The Blessing "Gundam: The Witch from Mercury"
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Atashi ga Tonari ni Iru Uchi ni "The Rising Of The Shield Hero"
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Hotaru no Hikari "Naruto OP 5"
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Isabella's Lullaby "The Promised Neverland"
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Gold and Oden "One Piece"
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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To The Grand Line "One Piece"
type: MusicAlbum
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Cruel World "Red Dead Redemption II"
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For You "Naruto ED 12"
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The Bygone Days "Porco Rosso"
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I Am "Inuyasha OP 2"
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A Cruel Angel's Thesis "Neon Genesis Evangelion"
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Polaris "My Hero Academia"
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Princess Mononoke Theme "Princess Mononoke"
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Alones "Bleach OP 6"
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The Wings of Knight "AION"
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Innocent Arrogance "Heavenly Delusion"
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Days "Eureka Seven"
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Le Souvenir Avec Le Crepuscule (Piano Version)
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Ice Ballad (Piano Version)
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Dance with the Fireflies (Piano Version)
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Mines (Cloth)
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Spring "Harvest Moon"
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track: Spring "Harvest Moon"
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  additional property: OTSVerifyInstructions
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Hated by Life (Piano Version)
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Shock "Attack on Titan"
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My Lie "Your Lie in April"
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Luffy's Fierce Attack
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Free WIll "One Piece ED 9" (Piano Version)
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Lantern Rite "Genshin Impact"
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Idol "Oshi no Ko"
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The Rumbling
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Romaritime Harbor
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115 Million Kilometer Film
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Hikari e "Zombieland Saga"
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Kanata Haluka "Suzume"
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Hokage's Funeral "Naruto"
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Lillie's Theme "Pokemon Sun & Moon"
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New Genesis "One Piece RED" (Piano Version)
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Main Theme "Genshin Impact"
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Kawaikute Gomen (Piano Version)
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date published: 2024-01-19

Overtaken (Orchestral Version)
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I'm Becoming the Pirate King (Orchestral Version)
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Uunan and the Stone Storage Room (Orchestral Version)
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Nami's Theme (Orchestral Version)
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  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T13:23:13+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x094cc6732becfbd2de0ea55501d7adad4bd1827b8f7766267390ab739b7ab02c
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958742
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958742
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAHW2405110
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-19T14:09:34Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x094cc6732becfbd2de0ea55501d7adad4bd1827b8f7766267390ab739b7ab02c. Chain 2 (Bitcoin): anchored in block 958742 (2026-07-19T14:09:34Z), 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/TCAHW2405110.
    date published: 2026-07-19T14:09:34Z
  audio: Nami's Theme (Orchestral Version)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 139.948
    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: 0.232
    additional property: Energy
      type: PropertyValue
      value: 0.25
    additional property: Speechiness
      type: PropertyValue
      value: 0.034
    additional property: Acousticness
      type: PropertyValue
      value: 0.908
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.394
    additional property: Liveness
      type: PropertyValue
      value: 0.646
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.252
    additional property: Loudness (dB)
      type: PropertyValue
      value: -12.033
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Minor

The Fading Stories "Genshin Impact"
type: MusicAlbum
date published: 2024-01-22

Silhouette (Piano Version)
type: MusicAlbum
date published: 2024-01-22

Where Our Blue Is
type: MusicAlbum
date published: 2024-01-22

Chu (Piano Version)
type: MusicAlbum
date published: 2024-01-27

Fontaine Waltz (Piano Version)
type: MusicAlbum
date published: 2024-01-27

Cry out (Piano Version)
type: MusicAlbum
date published: 2024-01-27

Nezuko Theme (Piano Version)
type: MusicAlbum
date published: 2024-01-27
track: Nezuko Theme (Piano Version)
  type: MusicRecording
  duration: PT4M1S
  duration ms: 241951
  explicit: false
  by artist: Marthes
  in album: Nezuko Theme (Piano Version)
    type: MusicAlbum
    date published: 2024-01-27
  isrc code: TCAHW2450593
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-16T18:30:37+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xfc2bbf88a3df93e3fd551579bfdad013c9568d37080031695578b454bfb41735
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958316
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958316
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAHW2450593
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-16T19:42:29Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc2bbf88a3df93e3fd551579bfdad013c9568d37080031695578b454bfb41735. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T19:42:29Z), 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/TCAHW2450593.
    date published: 2026-07-16T19:42:29Z
  audio: Nezuko Theme (Piano Version)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 138.046
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.64
    additional property: Energy
      type: PropertyValue
      value: 0.158
    additional property: Speechiness
      type: PropertyValue
      value: 0.034
    additional property: Acousticness
      type: PropertyValue
      value: 0.977
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.948
    additional property: Liveness
      type: PropertyValue
      value: 0.167
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.151
    additional property: Loudness (dB)
      type: PropertyValue
      value: -18.844
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Minor

I Was King (Piano Version)
type: MusicAlbum
date published: 2024-01-27

Shukusei!! Loli God Requiem
type: MusicAlbum
date published: 2024-01-27
track: Shukusei!! Loli God Requiem
  type: MusicRecording
  duration: PT2M59S
  duration ms: 179703
  explicit: false
  by artist: Marthes
  in album: Shukusei!! Loli God Requiem
    type: MusicAlbum
    date published: 2024-01-27
  isrc code: TCAHW2451073
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T10:54:39+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x24db7df5f1d94787f82f6c506c53b88e12cb4c68794d55cc4f31fa234d082707
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956711
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956711
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAHW2451073
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-04T22:48:52Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24db7df5f1d94787f82f6c506c53b88e12cb4c68794d55cc4f31fa234d082707. Chain 2 (Bitcoin): anchored in block 956711 (2026-07-04T22:48:52Z), 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/TCAHW2451073.
    date published: 2026-07-04T22:48:52Z
  audio: Shukusei!! Loli God Requiem
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 140.028
    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: 0.586
    additional property: Energy
      type: PropertyValue
      value: 0.183
    additional property: Speechiness
      type: PropertyValue
      value: 0.042
    additional property: Acousticness
      type: PropertyValue
      value: 0.976
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.939
    additional property: Liveness
      type: PropertyValue
      value: 0.137
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.135
    additional property: Loudness (dB)
      type: PropertyValue
      value: -21.938
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Major

Anata No Soba Ni (Piano Version)
type: MusicAlbum
date published: 2024-01-27

The Scarlet Eyed Lament (Piano Version)
type: MusicAlbum
date published: 2024-01-27

Tsubaki in Thawing Snow (Piano Version)
type: MusicAlbum
date published: 2024-01-27

Inferno (Piano Verson)
type: MusicAlbum
date published: 2024-01-27

Wherever You Are (Piano Version)
type: MusicAlbum
date published: 2024-01-27

Fontaine Main Theme (Piano Version)
type: MusicAlbum
date published: 2024-01-27

Aerith’s Theme (Piano Version)
type: MusicAlbum
date published: 2024-01-27

Pretender (Piano Version)
type: MusicAlbum
date published: 2024-01-27

Ballonlea (Piano Version)
type: MusicAlbum
date published: 2024-01-27

Fallen Down Reprise (Piano Version)
type: MusicAlbum
date published: 2024-01-27
track: Fallen Down Reprise (Piano Version)
  type: MusicRecording
  duration: PT2M33S
  duration ms: 153332
  explicit: false
  by artist: Marthes
  in album: Fallen Down Reprise (Piano Version)
    type: MusicAlbum
    date published: 2024-01-27
  isrc code: TCAHW2454626
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-15T16:20:42+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x65b864a8636409a48f91732675c4fa9f8c4a644fb3892045c8d1b91d65d63137
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958176
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958176
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAHW2454626
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-15T17:14:36Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65b864a8636409a48f91732675c4fa9f8c4a644fb3892045c8d1b91d65d63137. Chain 2 (Bitcoin): anchored in block 958176 (2026-07-15T17:14:36Z), 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/TCAHW2454626.
    date published: 2026-07-15T17:14:36Z
  audio: Fallen Down Reprise (Piano Version)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 220.083
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.45
    additional property: Energy
      type: PropertyValue
      value: 0.193
    additional property: Speechiness
      type: PropertyValue
      value: 0.057
    additional property: Acousticness
      type: PropertyValue
      value: 0.994
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.916
    additional property: Liveness
      type: PropertyValue
      value: 0.098
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.322
    additional property: Loudness (dB)
      type: PropertyValue
      value: -29.22
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major

Namae Wo Yobu Yo
type: MusicAlbum
date published: 2024-01-27

Tifa's Theme
type: MusicAlbum
date published: 2024-02-02

Ancient Poni Path (Poni Wilds)
type: MusicAlbum
date published: 2024-02-06

Mezase ("One Piece") [Piano Version]
type: MusicAlbum
date published: 2024-04-04
track: Mezase ("One Piece") - Piano Version
  type: MusicRecording
  duration: PT2M33S
  duration ms: 153199
  explicit: false
  by artist: Marthes
  in album: Mezase ("One Piece") [Piano Version]
    type: MusicAlbum
    date published: 2024-04-04
  isrc code: QZPJ32325096
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T05:45:31+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x94f2387c596fbbe8590c35a8e2dc03cfc8581d9a3cc010ef62499dfde38614ac
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956474
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956474
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZPJ32325096
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-03T08:56:35Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94f2387c596fbbe8590c35a8e2dc03cfc8581d9a3cc010ef62499dfde38614ac. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/QZPJ32325096.
    date published: 2026-07-03T08:56:35Z
  audio: Mezase ("One Piece") - Piano Version
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 80.007
    additional property: Musical Key
      type: PropertyValue
      value: 5
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.57
    additional property: Energy
      type: PropertyValue
      value: 0.053
    additional property: Speechiness
      type: PropertyValue
      value: 0.062
    additional property: Acousticness
      type: PropertyValue
      value: 0.991
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.954
    additional property: Liveness
      type: PropertyValue
      value: 0.111
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.075
    additional property: Loudness (dB)
      type: PropertyValue
      value: -27.451
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Major

Namae wo Yobu yo "Bungo Stray Dogs"
type: MusicAlbum
date published: 2024-04-04

Nezuko Theme "Demon Slayer"
type: MusicAlbum
date published: 2024-04-04

The Scarlet Eyed Lament "Hunter X Hunter"
type: MusicAlbum
date published: 2024-04-04

Fontaine Waltz "Genshin Impact" (Piano Version)
type: MusicAlbum
date published: 2024-04-04

Aerith’s Theme "Final Fantasy VII"
type: MusicAlbum
date published: 2024-04-04

Ballonlea "Pokemon Sword and Shield"
type: MusicAlbum
date published: 2024-04-04
track: Ballonlea "Pokemon Sword and Shield"
  type: MusicRecording
  duration: PT1M20S
  duration ms: 80398
  explicit: false
  by artist: Marthes
  in album: Ballonlea "Pokemon Sword and Shield"
    type: MusicAlbum
    date published: 2024-04-04
  isrc code: QZPJ32327695
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T23:57:57+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa132559cda3d35b1a16b9f7d5be63957be2b0a1854c7270c3db9cbf0d5dbc411
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956725
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956725
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZPJ32327695
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T01:12:41Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa132559cda3d35b1a16b9f7d5be63957be2b0a1854c7270c3db9cbf0d5dbc411. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/QZPJ32327695.
    date published: 2026-07-05T01:12:41Z
  audio: Ballonlea "Pokemon Sword and Shield"
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 186.036
    additional property: Musical Key
      type: PropertyValue
      value: 11
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.459
    additional property: Energy
      type: PropertyValue
      value: 0.178
    additional property: Speechiness
      type: PropertyValue
      value: 0.069
    additional property: Acousticness
      type: PropertyValue
      value: 0.99
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.963
    additional property: Liveness
      type: PropertyValue
      value: 0.11
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.146
    additional property: Loudness (dB)
      type: PropertyValue
      value: -27.1
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Major

Shukusei!! Loli God Requiem (Piano Version)
type: MusicAlbum
date published: 2024-04-04

Down in the Deep Sea
type: MusicAlbum
date published: 2024-05-06

Forgotten Place
type: MusicAlbum
date published: 2024-05-07

Dreamless Night
type: MusicAlbum
date published: 2024-05-09

Ethereal Mamuska
type: MusicAlbum
date published: 2024-06-03

Moonsetter
type: MusicAlbum
date published: 2024-06-16

The Endless
type: MusicAlbum
date published: 2024-06-18

Moonsetter
type: MusicAlbum
date published: 2024-09-24

Place of Atheria
type: MusicAlbum
date published: 2024-09-24

Echoes in My Heart
type: MusicAlbum
date published: 2024-09-24

Dreamless Night
type: MusicAlbum
date published: 2024-09-24

Ethereal Mamuska
type: MusicAlbum
date published: 2024-09-24

The Endless
type: MusicAlbum
date published: 2024-09-24

Down in the Deep Sea
type: MusicAlbum
date published: 2024-09-24

Winter Theme
type: MusicAlbum
date published: 2024-09-24

Fleurs de frangipanier
type: MusicAlbum
date published: 2024-09-24

Forgotten Place
type: MusicAlbum
date published: 2024-09-24

Time Flows Ever Onward "Frieren Beyond Journey's End"
type: MusicAlbum
date published: 2024-10-20

Time Flows Ever Onward (Piano Version)
type: MusicAlbum
date published: 2024-10-20

Reprise "Spirited Away"
type: MusicAlbum
date published: 2024-10-23

Avant-Garde History (Piano Version)
type: MusicAlbum
date published: 2024-11-08

Black Shout (Piano Version)
type: MusicAlbum
date published: 2024-11-09

Blessing Chord (Piano Version)
type: MusicAlbum
date published: 2024-11-09

Heroic Advent (Piano Version)
type: MusicAlbum
date published: 2024-11-10

Determination Symphony (Piano Version)
type: MusicAlbum
date published: 2024-11-10

Brave Jewel (Piano Version)
type: MusicAlbum
date published: 2024-11-10

Legendary (Piano Version)
type: MusicAlbum
date published: 2024-11-10

Fire Bird (Piano Version)
type: MusicAlbum
date published: 2024-11-10

Break Your Desire (Piano Version)
type: MusicAlbum
date published: 2024-11-10

Louder (Piano Version)
type: MusicAlbum
date published: 2024-11-12

Oneness (Piano Version)
type: MusicAlbum
date published: 2024-11-14

Neo Aspect (Piano Version)
type: MusicAlbum
date published: 2024-11-14

Catch You Catch Me! "Cardcaptor Sakura"
type: MusicAlbum
date published: 2025-01-08

SSJ Demonstration "Dragon Ball Daima" (Epic Orchestral Version)
type: MusicAlbum
date published: 2025-03-15

Venti Theme (Bards Adventure) "Genshin Impact"
type: MusicAlbum
date published: 2025-05-28

Holding My Thoughts in My Heart "Final Fantasy VII" (Piano Version)
type: MusicAlbum
date published: 2025-06-03

Melodies of Life "Final Fantasy IX" (Piano Version)
type: MusicAlbum
date published: 2025-06-03

Long Kiss Goodbye "Naruto Shippuden" (Piano Version)
type: MusicAlbum
date published: 2025-06-03

Yuna's Theme "Final Fantasy X" (Piano Version)
type: MusicAlbum
date published: 2025-06-03

Prelude "Final Fantasy VII" (Piano Version)
type: MusicAlbum
date published: 2025-06-17

Lilium "Elfen Lied" OP (Piano Version)
type: MusicAlbum
date published: 2025-06-17

Fontaine Main Theme "Genshin Impact" (Piano Version)
type: MusicAlbum
date published: 2025-06-17

Free Will "One Piece ED9" (Piano Version)
type: MusicAlbum
date published: 2025-06-17

Timeless Journey
type: MusicAlbum
date published: 2025-07-25

Story Without End
type: MusicAlbum
date published: 2025-07-27

To Zanarkand "Final Fantasy X"
type: MusicAlbum
date published: 2025-07-28

Reason Living "Bungo Stray Dogs" (Piano Version)
type: MusicAlbum
date published: 2025-07-28

Mellow "Skip to Loafer" OP
type: MusicAlbum
date published: 2025-07-28

Freesia "Gundam: Iron-Blooded Orphans ED"
type: MusicAlbum
date published: 2025-07-28

Littleroot Town "Pokémon Ruby & Sapphire" (Piano Version)
type: MusicAlbum
date published: 2025-07-28

Tifa's Theme "Final Fantasy VII"
type: MusicAlbum
date published: 2025-07-31

Ballad of Many Waters "Genshin Impact" (Piano Version)
type: MusicAlbum
date published: 2025-08-01

Lit "A Silet Voice" (Piano Version)
type: MusicAlbum
date published: 2025-08-01

Matsuri (Piano Version)
type: MusicAlbum
date published: 2025-08-04

Panorama (パノラマ) "Hunter X Hunter"
type: MusicAlbum
date published: 2025-08-04

Hope or Nostalgia "Genshin Impact" (Piano Version)
type: MusicAlbum
date published: 2025-08-06

First Love (Hatsukoi / はつ恋) (Piano Version)
type: MusicAlbum
date published: 2025-08-21

Omoi - The Biggest Dreamer "Digimon Tamers OP" (Piano Version)
type: MusicAlbum
date published: 2025-08-21

Honey
type: MusicAlbum
date published: 2025-10-16

Hero's Come Back!! (Orchestral)
type: MusicAlbum
date published: 2025-10-16

Mephisto
type: MusicAlbum
date published: 2025-10-16