VPROD Publishing
type: MusicGroup
genre: bossa nova
popularity: 45
followers: 1852
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfbde40cbcf99b38b6ecf3c6b633c004a514c344492ff94fc226d911ba4be9054
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/045572db-5d3d-4f16-abe8-22670ea7624c.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/045572db-5d3d-4f16-abe8-22670ea7624c.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/045572db-5d3d-4f16-abe8-22670ea7624c
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xfbde40cbcf99b38b6ecf3c6b633c004a514c344492ff94fc226d911ba4be9054","name":"VPROD Publishing","registered_at":"2026-06-12T14:55:38Z","symbol":"NIM0006264","token_address":"0x422bfd72212b306a3dd9e7b5a6464fb273f59bde","type":"artist","uuid":"045572db-5d3d-4f16-abe8-22670ea7624c"}
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 0xfbde40cbcf99b38b6ecf3c6b633c004a514c344492ff94fc226d911ba4be9054. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/045572db-5d3d-4f16-abe8-22670ea7624c.json and https://artists.proofprofile.net/proofs/artist/045572db-5d3d-4f16-abe8-22670ea7624c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:28:13Z
  text: {"copyright_id":"0xfbde40cbcf99b38b6ecf3c6b633c004a514c344492ff94fc226d911ba4be9054","name":"VPROD Publishing","registered_at":"2026-06-12T14:55:38Z","symbol":"NIM0006264","token_address":"0x422bfd72212b306a3dd9e7b5a6464fb273f59bde","type":"artist","uuid":"045572db-5d3d-4f16-abe8-22670ea7624c"}
album: Lofi HipHop Beats - Chill Beats To Study To
  type: MusicAlbum
  date published: 2021-07-01
album: Lofi HipHop Beats - Chill Beats To Study To
  type: MusicAlbum
  date published: 2021-07-01
album: Late Night Mood Jazz
  type: MusicAlbum
  date published: 2021-07-01
album: Relaxing Jazz
  type: MusicAlbum
  date published: 2021-07-01
album: Relaxing Jazz
  type: MusicAlbum
  date published: 2021-07-01
album: Late Night Mood Jazz
  type: MusicAlbum
  date published: 2021-07-01
  track: Late Night
    type: MusicRecording
    duration: PT3M24S
    duration ms: 204000
    explicit: false
    by artist: VPROD Publishing
    in album: Late Night Mood Jazz
      type: MusicAlbum
      date published: 2021-07-01
    genre: bossa nova
    isrc code: QZ7782100370
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T11:25:40+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x12e25acee4193d0bcfe67bccada08c4f8b93c9ab009b045f45368c309b1f53b5
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956822
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956822
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ7782100370
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T18:48:28Z
    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 0x12e25acee4193d0bcfe67bccada08c4f8b93c9ab009b045f45368c309b1f53b5. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/QZ7782100370.
      date published: 2026-07-05T18:48:28Z
    audio: Late Night
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 179.968
      additional property: Musical Key
        type: PropertyValue
        value: 9
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 3
      additional property: Danceability
        type: PropertyValue
        value: 0.548
      additional property: Energy
        type: PropertyValue
        value: 0.136
      additional property: Speechiness
        type: PropertyValue
        value: 0.081
      additional property: Acousticness
        type: PropertyValue
        value: 0.939
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.829
      additional property: Liveness
        type: PropertyValue
        value: 0.364
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.185
      additional property: Loudness (dB)
        type: PropertyValue
        value: -19.994
      additional property: Key Name
        type: PropertyValue
        value: A
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Lofi Sleep Chill & Study
  type: MusicAlbum
  date published: 2021-07-01
album: Nhạc Phật Giáo Tĩnh Tâm
  type: MusicAlbum
  date published: 2021-08-19
album: Piano Thư Giãn Du Dương
  type: MusicAlbum
  date published: 2021-08-20
album: Piano Thư Giãn Du Dương
  type: MusicAlbum
  date published: 2021-08-20
  track: Nhạc Piano Nhẹ Nhàng Giúp Giảm Stress Cực Hiệu Quả
    type: MusicRecording
    duration: PT20M18S
    duration ms: 1218000
    explicit: false
    by artist: VPROD Publishing
    in album: Piano Thư Giãn Du Dương
      type: MusicAlbum
      date published: 2021-08-20
    genre: bossa nova
    isrc code: QZ7782100965
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-16T04:12:52+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x2660db2022731990d986e8467a62e7142cd2889b2368d13dc7468f31613843ea
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958238
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958238
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ7782100965
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-16T07:09:16Z
    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 0x2660db2022731990d986e8467a62e7142cd2889b2368d13dc7468f31613843ea. Chain 2 (Bitcoin): anchored in block 958238 (2026-07-16T07:09:16Z), 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/QZ7782100965.
      date published: 2026-07-16T07:09:16Z
    audio: Nhạc Piano Nhẹ Nhàng Giúp Giảm Stress Cực Hiệu Quả
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 67.574
      additional property: Musical Key
        type: PropertyValue
        value: 9
      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: Nhạc Yoga Thư Giãn
album: Nhạc Spa Thư Giãn
album: Nhạc Ru Ngủ Giảm Stress Vào Giấc Ngủ Sâu
album: Nhạc Thiền - Tĩnh Tâm - An Nhiên
album: Piano Không Lời Thư Giãn
album: Nhạc Jazz Cafe & Lounge Bar
album: Happy Morning Cafe Music
album: Sweet Jazz
album: Christmas Jazz Music
album: Focus Music
album: Nhạc Thiền Yoga
album: Nhạc Chill Thư Giãn
album: Âm Nhạc Thư Giãn
album: Thành Phố Sương (VPROD BGM)
album: Thiên Nhiên Rừng Núi (VPROD BGM)
album: Mưa Chill (VPROD BGM)
album: Music For Pets To Sleep
album: Biển Chill (VPROD BGM)
album: Christmas Jazz Coffee Shop
album: Bossa Nova Jazz Cafe
album: Christmas Jazz Collection
album: The Christmas Song
album: A Miracle Christmas Jazz Holiday
album: Jazz and Bossanova Relaxing Mode
album: Nighty Night
album: Coffee Jazz Music - Saxophone & Guitar
album: Relaxing Jazz Music - Soft Trumpet
album: Daily Vibes
album: Nhạc Nền Mùa Xuân Không Lời (Vprod BGM)
album: Glow Era
album: Hope to Sleep Forever
album: Stay Classy
album: Xứ Nghệ Quê Mình
album: Quê Tôi Hưng Yên Tình Người
album: Hưng Yên Tình Quê
album: Hưng Yên Ngày Mới
album: Nhạc Quê Hương Không Lời (Instrumental)
album: Cafe & Lounge Cuối Tuần
album: Romantic Night Slow Jazz
album: Dine Time with Bossa
album: Happy Morning Beach Restaurant
album: ジャズ・イン・ザ・シティ (Jazz in the City) [Vprod Jazz]
album: Âm Nhạc Năng Lượng Tích Cực - Bossa Nova Relaxing (Vprod Jazz)
album: Tokyo Jazzy Night (Vprod Jazz)
album: Buddha Music Zen Meditation
album: Heal Your Mind for a New Journey with Relaxing Guitar (Vprod Relaxing)
album: Buddhist Ambient Yoga Relaxation
album: Buddha Meditation Relaxed Chillout
album: Meditative Strings Guitar Music for Mindfulness (Vprod Relaxing)
album: Happy Bossa Night
album: Buddha Flute Stop Overthinking
album: Tibetan Healing Flute - Release of Toxins
album: Tụng Kinh Niệm Phật - Nhạc Không Lời
album: Những Ngôi Chùa Thiêng Và Cảnh Đẹp Việt Nam

Mode (Major/Minor)
type: PropertyValue
value: 1

Time Signature
type: PropertyValue
value: 4

Danceability
type: PropertyValue
value: 0.355

Energy
type: PropertyValue
value: 0.013

Speechiness
type: PropertyValue
value: 0.051

Acousticness
type: PropertyValue
value: 0.995

Instrumentalness
type: PropertyValue
value: 0.936

Liveness
type: PropertyValue
value: 0.085

Valence (Positivity)
type: PropertyValue
value: 0.194

Loudness (dB)
type: PropertyValue
value: -29.895

Key Name
type: PropertyValue
value: A

Mode Name
type: PropertyValue
value: Major

Nhạc Yoga Thư Giãn
type: MusicAlbum
date published: 2021-08-20

Nhạc Yoga Thư Giãn
type: MusicAlbum
date published: 2021-08-20

Nhạc Spa Thư Giãn
type: MusicAlbum
date published: 2021-08-23
track: Nhạc Spa Thư Giãn Dễ Ngủ
  type: MusicRecording
  duration: PT20M0S
  duration ms: 1200000
  explicit: false
  by artist: VPROD Publishing
  in album: Nhạc Spa Thư Giãn
    type: MusicAlbum
    date published: 2021-08-23
  genre: bossa nova
  isrc code: QZMEM2136198
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T21:11:04+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x3e0c07fd85de7f92f159ee15604c81172768879442701f2d448be5b606613bdf
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956738
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956738
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZMEM2136198
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T04:47:21Z
  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 0x3e0c07fd85de7f92f159ee15604c81172768879442701f2d448be5b606613bdf. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), 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/QZMEM2136198.
    date published: 2026-07-05T04:47:21Z
  audio: Nhạc Spa Thư Giãn Dễ Ngủ
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 68.168
    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: 0.294
    additional property: Energy
      type: PropertyValue
      value: 0.031
    additional property: Speechiness
      type: PropertyValue
      value: 0.05
    additional property: Acousticness
      type: PropertyValue
      value: 0.993
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.941
    additional property: Liveness
      type: PropertyValue
      value: 0.11
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.061
    additional property: Loudness (dB)
      type: PropertyValue
      value: -28.179
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Nhạc Spa Không Lời Thư Giãn, Âm Nhạc Dành Cho Spa
  type: MusicRecording
  duration: PT20M2S
  duration ms: 1202000
  explicit: false
  by artist: VPROD Publishing
  in album: Nhạc Spa Thư Giãn
    type: MusicAlbum
    date published: 2021-08-23
  genre: bossa nova
  isrc code: QZMEM2136200
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T22:35:08+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x488f997b032c22369afcbf1fab1b9bef09820bb0d3130b1acee7a1917f4153d3
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956639
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956639
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZMEM2136200
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-04T11:19:20Z
  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 0x488f997b032c22369afcbf1fab1b9bef09820bb0d3130b1acee7a1917f4153d3. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/QZMEM2136200.
    date published: 2026-07-04T11:19:20Z
  audio: Nhạc Spa Không Lời Thư Giãn, Âm Nhạc Dành Cho Spa
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 115.131
    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: 0.365
    additional property: Energy
      type: PropertyValue
      value: 0.011
    additional property: Speechiness
      type: PropertyValue
      value: 0.046
    additional property: Acousticness
      type: PropertyValue
      value: 0.991
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.939
    additional property: Liveness
      type: PropertyValue
      value: 0.102
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.072
    additional property: Loudness (dB)
      type: PropertyValue
      value: -30.914
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Nhạc Spa Nhẹ Nhàng Nghe Cực Thoải Mái
  type: MusicRecording
  duration: PT19M58S
  duration ms: 1198500
  explicit: false
  by artist: VPROD Publishing
  in album: Nhạc Spa Thư Giãn
    type: MusicAlbum
    date published: 2021-08-23
  genre: bossa nova
  isrc code: QZMEM2136201
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-12T05:51:30+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x565cefbe242319534e3039442516025f7a148d54b6e1b0e46c21a91da8de6a43
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957665
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957665
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Nhạc Spa Nhẹ Nhàng Nghe Cực Thoải Mái
track: Nhạc Thư Giãn Nhẹ Nhàng Cho Spa, Giúp Bạn Thư Giãn Đầu Óc Và Ngủ Ngon

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZMEM2136201

OTSTimestamp
type: PropertyValue
value: 2026-07-12T06:13:49Z

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 0x565cefbe242319534e3039442516025f7a148d54b6e1b0e46c21a91da8de6a43. Chain 2 (Bitcoin): anchored in block 957665 (2026-07-12T06:13:49Z), 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/QZMEM2136201.
date published: 2026-07-12T06:13:49Z

Nhạc Spa Nhẹ Nhàng Nghe Cực Thoải Mái
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 111.313
additional property: Musical Key
  type: PropertyValue
  value: 9
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.483
additional property: Energy
  type: PropertyValue
  value: 0.022
additional property: Speechiness
  type: PropertyValue
  value: 0.058
additional property: Acousticness
  type: PropertyValue
  value: 0.995
additional property: Instrumentalness
  type: PropertyValue
  value: 0.959
additional property: Liveness
  type: PropertyValue
  value: 0.081
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.2
additional property: Loudness (dB)
  type: PropertyValue
  value: -29.585
additional property: Key Name
  type: PropertyValue
  value: A
additional property: Mode Name
  type: PropertyValue
  value: Major

Nhạc Thư Giãn Nhẹ Nhàng Cho Spa, Giúp Bạn Thư Giãn Đầu Óc Và Ngủ Ngon
type: MusicRecording
duration: PT20M20S
duration ms: 1220000
explicit: false
by artist: VPROD Publishing
in album: Nhạc Spa Thư Giãn
  type: MusicAlbum
  date published: 2021-08-23
genre: bossa nova
isrc code: QZMEM2136203
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-18T12:01:34+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x37f044b22680c72506eccd7214238fd8ea99baa902214ce0f7b5c9a7efee6c81
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958601
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958601
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZMEM2136203
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-18T19:27:02Z
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 0x37f044b22680c72506eccd7214238fd8ea99baa902214ce0f7b5c9a7efee6c81. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), 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/QZMEM2136203.
  date published: 2026-07-18T19:27:02Z
audio: Nhạc Thư Giãn Nhẹ Nhàng Cho Spa, Giúp Bạn Thư Giãn Đầu Óc Và Ngủ Ngon
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 112.798
  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: 0.437
  additional property: Energy
    type: PropertyValue
    value: 0.032
  additional property: Speechiness
    type: PropertyValue
    value: 0.063
  additional property: Acousticness
    type: PropertyValue
    value: 0.993
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.96
  additional property: Liveness
    type: PropertyValue
    value: 0.093
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.105
  additional property: Loudness (dB)
    type: PropertyValue
    value: -30.718
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Nhạc Ru Ngủ Giảm Stress Vào Giấc Ngủ Sâu
type: MusicAlbum
date published: 2021-08-23

Nhạc Thiền - Tĩnh Tâm - An Nhiên
type: MusicAlbum
date published: 2021-08-23

Piano Không Lời Thư Giãn
type: MusicAlbum
date published: 2021-08-23
track: Piano Không Lời Thư Giãn Trị Liệu, Thiền
  type: MusicRecording
  duration: PT19M26S
  duration ms: 1166000
  explicit: false
  by artist: VPROD Publishing
  in album: Piano Không Lời Thư Giãn
    type: MusicAlbum
    date published: 2021-08-23
  genre: bossa nova
  isrc code: QZMEM2126379
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T22:38:02+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe7349ca817890c173c0cd1a8edaa1db9f2704b9a2467793fe2c9dfe23739e458
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956857
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956857
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZMEM2126379
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-06T01:26:17Z
  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 0xe7349ca817890c173c0cd1a8edaa1db9f2704b9a2467793fe2c9dfe23739e458. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/QZMEM2126379.
    date published: 2026-07-06T01:26:17Z
  audio: Piano Không Lời Thư Giãn Trị Liệu, Thiền
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 115.629
    additional property: Musical Key
      type: PropertyValue
      value: 9
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.392
    additional property: Energy
      type: PropertyValue
      value: 0.023
    additional property: Speechiness
      type: PropertyValue
      value: 0.047
    additional property: Acousticness
      type: PropertyValue
      value: 0.992
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.94
    additional property: Liveness
      type: PropertyValue
      value: 0.09
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.098
    additional property: Loudness (dB)
      type: PropertyValue
      value: -29.195
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Nhạc Piano Không Lời Thư Giãn Đầu Óc Tuyệt Hay
  type: MusicRecording
  duration: PT19M57S
  duration ms: 1197500
  explicit: false
  by artist: VPROD Publishing
  in album: Piano Không Lời Thư Giãn
    type: MusicAlbum
    date published: 2021-08-23
  genre: bossa nova
  isrc code: QZMEM2126382
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-16T08:54:38+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x70ad20b5455c24f41808df0c1189ceed69d464818fb5b98e5b0fe00027bf97ec
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958276
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958276
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZMEM2126382
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-16T10:20:17Z
  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 0x70ad20b5455c24f41808df0c1189ceed69d464818fb5b98e5b0fe00027bf97ec. Chain 2 (Bitcoin): anchored in block 958276 (2026-07-16T10:20:17Z), 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/QZMEM2126382.
    date published: 2026-07-16T10:20:17Z
  audio: Nhạc Piano Không Lời Thư Giãn Đầu Óc Tuyệt Hay
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 116.432
    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: 0.381
    additional property: Energy
      type: PropertyValue
      value: 0.041
    additional property: Speechiness
      type: PropertyValue
      value: 0.051
    additional property: Acousticness
      type: PropertyValue
      value: 0.99
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.95
    additional property: Liveness
      type: PropertyValue
      value: 0.087
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.112
    additional property: Loudness (dB)
      type: PropertyValue
      value: -27.914
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Piano Nhẹ Nhàng Giúp Đọc Sách, Học Tập Siêu Hiệu Quả
  type: MusicRecording
  duration: PT20M40S
  duration ms: 1240750
  explicit: false
  by artist: VPROD Publishing
  in album: Piano Không Lời Thư Giãn
    type: MusicAlbum
    date published: 2021-08-23
  genre: bossa nova
  isrc code: QZMEM2126385
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T03:38:16+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x66c021a63ceba1c85571818dd26b5814953558372f9f06c18cff5f36e3d92666
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956639
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956639
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Piano Nhẹ Nhàng Giúp Đọc Sách, Học Tập Siêu Hiệu Quả
track: Nhạc Piano Hay Không Lời

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZMEM2126385

OTSTimestamp
type: PropertyValue
value: 2026-07-04T11:19:20Z

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 0x66c021a63ceba1c85571818dd26b5814953558372f9f06c18cff5f36e3d92666. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/QZMEM2126385.
date published: 2026-07-04T11:19:20Z

Piano Nhẹ Nhàng Giúp Đọc Sách, Học Tập Siêu Hiệu Quả
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 62.531
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: 0.284
additional property: Energy
  type: PropertyValue
  value: 0.04
additional property: Speechiness
  type: PropertyValue
  value: 0.049
additional property: Acousticness
  type: PropertyValue
  value: 0.992
additional property: Instrumentalness
  type: PropertyValue
  value: 0.936
additional property: Liveness
  type: PropertyValue
  value: 0.084
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.073
additional property: Loudness (dB)
  type: PropertyValue
  value: -28.193
additional property: Key Name
  type: PropertyValue
  value: D
additional property: Mode Name
  type: PropertyValue
  value: Minor

Nhạc Piano Hay Không Lời
type: MusicRecording
duration: PT20M39S
duration ms: 1239250
explicit: false
by artist: VPROD Publishing
in album: Piano Không Lời Thư Giãn
  type: MusicAlbum
  date published: 2021-08-23
genre: bossa nova
isrc code: QZMEM2126388
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-12T06:00:43+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x51c11f0533428c1a76b0037e65bde2d9ea641cb0b950ad946d551ebf37d33429
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957668
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957668
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZMEM2126388
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-12T06:54:37Z
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 0x51c11f0533428c1a76b0037e65bde2d9ea641cb0b950ad946d551ebf37d33429. Chain 2 (Bitcoin): anchored in block 957668 (2026-07-12T06:54:37Z), 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/QZMEM2126388.
  date published: 2026-07-12T06:54:37Z
audio: Nhạc Piano Hay Không Lời
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 66.279
  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: 0.325
  additional property: Energy
    type: PropertyValue
    value: 0.028
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.992
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.941
  additional property: Liveness
    type: PropertyValue
    value: 0.222
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.076
  additional property: Loudness (dB)
    type: PropertyValue
    value: -30.47
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Nhạc Spa Thư Giãn
type: MusicAlbum
date published: 2021-08-23

Piano Không Lời Thư Giãn
type: MusicAlbum
date published: 2021-08-23

Nhạc Thiền - Tĩnh Tâm - An Nhiên
type: MusicAlbum
date published: 2021-08-23

Nhạc Ru Ngủ Giảm Stress Vào Giấc Ngủ Sâu
type: MusicAlbum
date published: 2021-08-23
track: Nhạc Piano Không Lời Hay Giúp Ban Ngủ Ngon
  type: MusicRecording
  duration: PT20M23S
  duration ms: 1223000
  explicit: false
  by artist: VPROD Publishing
  in album: Nhạc Ru Ngủ Giảm Stress Vào Giấc Ngủ Sâu
    type: MusicAlbum
    date published: 2021-08-23
  genre: bossa nova
  isrc code: QZMEM2137661
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-12T06:28:54+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x8c9a60fe4634fa6e685fbc232ad05f15a7932a1ad42bb5da3645fcaf551c03b5
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957671
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957671
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZMEM2137661
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-12T07:35:31Z
  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 0x8c9a60fe4634fa6e685fbc232ad05f15a7932a1ad42bb5da3645fcaf551c03b5. Chain 2 (Bitcoin): anchored in block 957671 (2026-07-12T07:35:31Z), 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/QZMEM2137661.
    date published: 2026-07-12T07:35:31Z
  audio: Nhạc Piano Không Lời Hay Giúp Ban Ngủ Ngon
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 70.92
    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: 0.374
    additional property: Energy
      type: PropertyValue
      value: 0.013
    additional property: Speechiness
      type: PropertyValue
      value: 0.049
    additional property: Acousticness
      type: PropertyValue
      value: 0.988
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.926
    additional property: Liveness
      type: PropertyValue
      value: 0.1
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.073
    additional property: Loudness (dB)
      type: PropertyValue
      value: -29.117
    additional property: Key Name
      type: PropertyValue
      value: Bb
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Âm Nhạc Giúp Bạn Ngủ Ngon Ngủ Sâu
  type: MusicRecording
  duration: PT21M0S
  duration ms: 1260000
  explicit: false
  by artist: VPROD Publishing
  in album: Nhạc Ru Ngủ Giảm Stress Vào Giấc Ngủ Sâu
    type: MusicAlbum
    date published: 2021-08-23
  genre: bossa nova
  isrc code: QZMEM2137662
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-17T18:22:27+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x0e3e9484a46debc344d2cb75f0828006b22bdfdddc9303a2e99e21fa2337f742
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958444
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958444
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZMEM2137662
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-17T19:12:23Z
  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
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    date published: 2026-07-17T19:12:23Z
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Energy
      type: PropertyValue
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
      type: PropertyValue
      value: -33.327
    additional property: Key Name
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      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Nhạc Ngủ Ngon Thư Giãn Giảm Căng Thẳng Mệt Mỏi
  type: MusicRecording
  duration: PT20M44S
  duration ms: 1244000
  explicit: false
  by artist: VPROD Publishing
  in album: Nhạc Ru Ngủ Giảm Stress Vào Giấc Ngủ Sâu
    type: MusicAlbum
    date published: 2021-08-23
  genre: bossa nova
  isrc code: QZMEM2137663
  additional property: CopyrightID
  additional property: CopyrightStatus
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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    value: https://explorer.copyrightchains.com/tx/0xa7457d67689afb948dbf560fdc8e443c2daeb6793ff8c15797d2135bcf0dadee
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  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956484
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Nhạc Ngủ Ngon Thư Giãn Giảm Căng Thẳng Mệt Mỏi
track: Nhạc Không Lời Hay Giúp Bạn Tịnh Tâm Dễ Ngủ

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZMEM2137663

OTSTimestamp
type: PropertyValue
value: 2026-07-03T10:47:44Z

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 0xa7457d67689afb948dbf560fdc8e443c2daeb6793ff8c15797d2135bcf0dadee. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), 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/QZMEM2137663.
date published: 2026-07-03T10:47:44Z

Nhạc Ngủ Ngon Thư Giãn Giảm Căng Thẳng Mệt Mỏi
type: AudioObject
additional property: Tempo (BPM)
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additional property: Musical Key
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additional property: Mode (Major/Minor)
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additional property: Time Signature
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additional property: Danceability
  type: PropertyValue
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additional property: Energy
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additional property: Speechiness
  type: PropertyValue
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additional property: Acousticness
  type: PropertyValue
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additional property: Instrumentalness
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additional property: Liveness
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additional property: Valence (Positivity)
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additional property: Loudness (dB)
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additional property: Key Name
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additional property: Mode Name
  type: PropertyValue
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Nhạc Không Lời Hay Giúp Bạn Tịnh Tâm Dễ Ngủ
type: MusicRecording
duration: PT21M24S
duration ms: 1284000
explicit: false
by artist: VPROD Publishing
in album: Nhạc Ru Ngủ Giảm Stress Vào Giấc Ngủ Sâu
  type: MusicAlbum
  date published: 2021-08-23
genre: bossa nova
isrc code: QZMEM2137664
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958601
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZMEM2137664
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-18T19:27:02Z
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 0xe4b95499f377811314ad2977b0da580fcd9af2d6dfa7c992e3eae9f196c2cb91. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), 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/QZMEM2137664.
  date published: 2026-07-18T19:27:02Z
audio: Nhạc Không Lời Hay Giúp Bạn Tịnh Tâm Dễ Ngủ
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
    value: 0.297
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
    value: 0.051
  additional property: Acousticness
    type: PropertyValue
    value: 0.994
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.947
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.089
  additional property: Loudness (dB)
    type: PropertyValue
    value: -34.168
  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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Nhạc Jazz Cafe & Lounge Bar
type: MusicAlbum
date published: 2021-08-25
track: Cafe Đắng Và Khói
  type: MusicRecording
  duration: PT3M43S
  duration ms: 223200
  explicit: false
  by artist: VPROD Publishing
  in album: Nhạc Jazz Cafe & Lounge Bar
    type: MusicAlbum
    date published: 2021-08-25
  genre: bossa nova
  isrc code: QZ7782101555
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
    type: PropertyValue
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  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x125ded84597068c20599fd3019cb565610b42ccf6e37651a9f26bb5207b78772
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958157
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ7782101555
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-15T15:10:17Z
  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 0x125ded84597068c20599fd3019cb565610b42ccf6e37651a9f26bb5207b78772. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T15:10:17Z), 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/QZ7782101555.
    date published: 2026-07-15T15:10:17Z
  audio: Cafe Đắng Và Khói
    type: AudioObject
    additional property: Tempo (BPM)
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      value: 199.981
    additional property: Musical Key
      type: PropertyValue
      value: 5
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.578
    additional property: Energy
      type: PropertyValue
      value: 0.156
    additional property: Speechiness
      type: PropertyValue
      value: 0.087
    additional property: Acousticness
      type: PropertyValue
      value: 0.888
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.781
    additional property: Liveness
      type: PropertyValue
      value: 0.341
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.529
    additional property: Loudness (dB)
      type: PropertyValue
      value: -20.127
    additional property: Key Name
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    additional property: Mode Name
      type: PropertyValue
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Happy Morning Cafe Music
type: MusicAlbum
date published: 2021-08-25

Nhạc Jazz Cafe & Lounge Bar
type: MusicAlbum
date published: 2021-08-25

Happy Morning Cafe Music
type: MusicAlbum
date published: 2021-08-25
track: Jazz Morning
  type: MusicRecording
  duration: PT3M28S
  duration ms: 208140
  explicit: false
  by artist: VPROD Publishing
  in album: Happy Morning Cafe Music
    type: MusicAlbum
    date published: 2021-08-25
  genre: bossa nova
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  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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    value: https://explorer.copyrightchains.com/tx/0x325d423d341b84c44fe02c01bb4589441bfa6bcc2469e6215087cb484fdc2ac2
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  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958246
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ7782101542
  additional property: OTSTimestamp
    type: PropertyValue
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  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 0x325d423d341b84c44fe02c01bb4589441bfa6bcc2469e6215087cb484fdc2ac2. Chain 2 (Bitcoin): anchored in block 958246 (2026-07-16T08:46:28Z), 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/QZ7782101542.
    date published: 2026-07-16T08:46:28Z
  audio: Jazz Morning
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
      type: PropertyValue
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    additional property: Mode (Major/Minor)
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      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.648
    additional property: Energy
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
      type: PropertyValue
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.504
    additional property: Loudness (dB)
      type: PropertyValue
      value: -19.749
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Jazz And Wine
  type: MusicRecording
  duration: PT3M28S
  duration ms: 208800
  explicit: false
  by artist: VPROD Publishing
  in album: Happy Morning Cafe Music
    type: MusicAlbum
    date published: 2021-08-25
  genre: bossa nova
  isrc code: QZ7782101547
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-14T20:53:22+00:00
  additional property: CopyrightChainExplorerURL
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    value: https://explorer.copyrightchains.com/tx/0xdb83a86500dda49925af8434eaf29a75d42a320ee7e57b754d156fa5bada81e0
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ7782101547
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-14T21:07:34Z
  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 0xdb83a86500dda49925af8434eaf29a75d42a320ee7e57b754d156fa5bada81e0. Chain 2 (Bitcoin): anchored in block 958063 (2026-07-14T21:07:34Z), 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/QZ7782101547.
    date published: 2026-07-14T21:07:34Z
  audio: Jazz And Wine
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
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    additional property: Musical Key
      type: PropertyValue
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    additional property: Mode (Major/Minor)
      type: PropertyValue
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    additional property: Time Signature
      type: PropertyValue
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    additional property: Danceability
      type: PropertyValue
      value: 0.458
    additional property: Energy
      type: PropertyValue
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    additional property: Speechiness
      type: PropertyValue
      value: 0.05
    additional property: Acousticness
      type: PropertyValue
      value: 0.921
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.844
    additional property: Liveness
      type: PropertyValue
      value: 0.367
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.5
    additional property: Loudness (dB)
      type: PropertyValue
      value: -20.834
    additional property: Key Name
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      value: G
    additional property: Mode Name
      type: PropertyValue
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Sweet Jazz
type: MusicAlbum
date published: 2021-08-25

Sweet Jazz
type: MusicAlbum
date published: 2021-08-25

Christmas Jazz Music
type: MusicAlbum
date published: 2021-09-16

Focus Music
type: MusicAlbum
date published: 2021-09-22

Nhạc Thiền Yoga
type: MusicAlbum
date published: 2021-09-22

Nhạc Chill Thư Giãn
type: MusicAlbum
date published: 2021-09-22

Âm Nhạc Thư Giãn
type: MusicAlbum
date published: 2021-09-22

Nhạc Thiền Yoga
type: MusicAlbum
date published: 2021-09-22
track: Nhạc Thiền Không Lời
  type: MusicRecording
  duration: PT4M20S
  duration ms: 260418
  explicit: false
  by artist: VPROD Publishing
  in album: Nhạc Thiền Yoga
    type: MusicAlbum
    date published: 2021-09-22
  genre: bossa nova
  isrc code: QZ7782103459
  additional property: CopyrightID
  additional property: CopyrightStatus
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ7782103459
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-18T03:34:53Z
  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 0xd2fb46bab5536dc7e73e9f9a21c39ed04938eaec5636be24d1edda60a12e5779. Chain 2 (Bitcoin): anchored in block 958484 (2026-07-18T03:34:53Z), 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/QZ7782103459.
    date published: 2026-07-18T03:34:53Z
  audio: Nhạc Thiền Không Lời
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
      type: PropertyValue
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
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    additional property: Danceability
      type: PropertyValue
      value: 0.263
    additional property: Energy
      type: PropertyValue
      value: 0.002
    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
      type: PropertyValue
      value: 0.984
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.824
    additional property: Liveness
      type: PropertyValue
      value: 0.105
    additional property: Valence (Positivity)
      type: PropertyValue
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    additional property: Loudness (dB)
      type: PropertyValue
      value: -34.071
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Nhạc Thư Giãn
  type: MusicRecording
  duration: PT4M6S
  duration ms: 246168
  explicit: false
  by artist: VPROD Publishing
  in album: Nhạc Thiền Yoga
    type: MusicAlbum
    date published: 2021-09-22
  genre: bossa nova
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  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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    type: PropertyValue
    value: https://blockstream.info/api/block-height/958157
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ7782103461
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-15T15:45:02Z
  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 0x1cd5d01956ba89c8c6ba59ee8f5d782eb5a005eb85a2df29f83c71e8ba22c6f6. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T15:45:02Z), 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/QZ7782103461.
    date published: 2026-07-15T15:45:02Z
  audio: Nhạc Thư Giãn
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 64.997
    additional property: Musical Key
      type: PropertyValue
      value: 11
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.403
    additional property: Energy
      type: PropertyValue
      value: 0.003
    additional property: Speechiness
      type: PropertyValue
      value: 0.054
    additional property: Acousticness
      type: PropertyValue
      value: 0.99
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.907
    additional property: Liveness
      type: PropertyValue
      value: 0.066
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.077
    additional property: Loudness (dB)
      type: PropertyValue
      value: -31.717
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Nhạc Thiền Phật Giáo
  type: MusicRecording
  duration: PT4M45S
  duration ms: 285918
  explicit: false
  by artist: VPROD Publishing
  in album: Nhạc Thiền Yoga
    type: MusicAlbum
    date published: 2021-09-22
  genre: bossa nova
  isrc code: QZ7782103464
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-14T20:14:25+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa6be23be37380e5d8c7008eaeb38b6655faae1e3aa6e586af73f438ca1321ab9
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958058
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958058
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Nhạc Thiền Phật Giáo

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ7782103464

OTSTimestamp
type: PropertyValue
value: 2026-07-14T20:20:34Z

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 0xa6be23be37380e5d8c7008eaeb38b6655faae1e3aa6e586af73f438ca1321ab9. Chain 2 (Bitcoin): anchored in block 958058 (2026-07-14T20:20:34Z), 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/QZ7782103464.
date published: 2026-07-14T20:20:34Z

Nhạc Thiền Phật Giáo
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 65.438
additional property: Musical Key
  type: PropertyValue
  value: 0
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 3
additional property: Danceability
  type: PropertyValue
  value: 0.331
additional property: Energy
  type: PropertyValue
  value: 0.002
additional property: Speechiness
  type: PropertyValue
  value: 0.066
additional property: Acousticness
  type: PropertyValue
  value: 0.977
additional property: Instrumentalness
  type: PropertyValue
  value: 0.665
additional property: Liveness
  type: PropertyValue
  value: 0.077
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.045
additional property: Loudness (dB)
  type: PropertyValue
  value: -38.361
additional property: Key Name
  type: PropertyValue
  value: C
additional property: Mode Name
  type: PropertyValue
  value: Major

Thành Phố Sương (VPROD BGM)
type: MusicAlbum
date published: 2021-10-05

Thiên Nhiên Rừng Núi (VPROD BGM)
type: MusicAlbum
date published: 2021-10-05

Mưa Chill (VPROD BGM)
type: MusicAlbum
date published: 2021-10-05

Music For Pets To Sleep
type: MusicAlbum
date published: 2021-10-05

Biển Chill (VPROD BGM)
type: MusicAlbum
date published: 2021-10-05

Christmas Jazz Coffee Shop
type: MusicAlbum
date published: 2021-10-19

Christmas Jazz Coffee Shop
type: MusicAlbum
date published: 2021-10-19

Bossa Nova Jazz Cafe
type: MusicAlbum
date published: 2021-11-02
track: Cafe Bossa Nova Jazz
  type: MusicRecording
  duration: PT2M46S
  duration ms: 166000
  explicit: false
  by artist: VPROD Publishing
  in album: Bossa Nova Jazz Cafe
    type: MusicAlbum
    date published: 2021-11-02
  genre: bossa nova
  isrc code: QZ7782103856
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-17T00:33:19+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xcee06312a5ed0d12c934244d53008c488b7ce521589e6550451ff5f05841a71d
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958342
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958342
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ7782103856
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-17T03:34:03Z
  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 0xcee06312a5ed0d12c934244d53008c488b7ce521589e6550451ff5f05841a71d. Chain 2 (Bitcoin): anchored in block 958342 (2026-07-17T03:34:03Z), 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/QZ7782103856.
    date published: 2026-07-17T03:34:03Z
  audio: Cafe Bossa Nova Jazz
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 119.965
    additional property: Musical Key
      type: PropertyValue
      value: 5
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.831
    additional property: Energy
      type: PropertyValue
      value: 0.526
    additional property: Speechiness
      type: PropertyValue
      value: 0.048
    additional property: Acousticness
      type: PropertyValue
      value: 0.562
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.892
    additional property: Liveness
      type: PropertyValue
      value: 0.063
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.961
    additional property: Loudness (dB)
      type: PropertyValue
      value: -13.845
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Bossa Nova Jazz Music
  type: MusicRecording
  duration: PT3M1S
  duration ms: 181090
  explicit: false
  by artist: VPROD Publishing
  in album: Bossa Nova Jazz Cafe
    type: MusicAlbum
    date published: 2021-11-02
  genre: bossa nova
  isrc code: QZ7782103857
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-15T12:30:19+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x62af23b79678e395d530cc5e1e7b6bec7f0e99c32a1f55c48db8431a89b057bd
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958157
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958157
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ7782103857
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-15T13:14:32Z
  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 0x62af23b79678e395d530cc5e1e7b6bec7f0e99c32a1f55c48db8431a89b057bd. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T13:14:32Z), 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/QZ7782103857.
    date published: 2026-07-15T13:14:32Z
  audio: Bossa Nova Jazz Music
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 110.012
    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: 0.86
    additional property: Energy
      type: PropertyValue
      value: 0.483
    additional property: Speechiness
      type: PropertyValue
      value: 0.047
    additional property: Acousticness
      type: PropertyValue
      value: 0.65
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.917
    additional property: Liveness
      type: PropertyValue
      value: 0.111
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.936
    additional property: Loudness (dB)
      type: PropertyValue
      value: -14.064
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Autumn Jazz Cafe Music
  type: MusicRecording
  duration: PT3M26S
  duration ms: 206608
  explicit: false
  by artist: VPROD Publishing
  in album: Bossa Nova Jazz Cafe
    type: MusicAlbum
    date published: 2021-11-02
  genre: bossa nova
  isrc code: QZ7782103858
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T10:55:17+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb96f36486edfd340a187b590fe11a4631f53149fc33dfa46cd9022e8919d3fa7
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956545
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956545
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Autumn Jazz Cafe Music
track: Summer Jazz And Bossa Nova Music
track: Spring Bossa Nova
track: Happy Winter Jazz Music
track: Relaxing Bossa Nova
track: Positive Jazz Music Morning Bossa Nova

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ7782103858

OTSTimestamp
type: PropertyValue
value: 2026-07-03T19:59:51Z

OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb96f36486edfd340a187b590fe11a4631f53149fc33dfa46cd9022e8919d3fa7. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ7782103858.
date published: 2026-07-03T19:59:51Z

Autumn Jazz Cafe Music
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 115.011
additional property: Musical Key
  type: PropertyValue
  value: 0
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.851
additional property: Energy
  type: PropertyValue
  value: 0.396
additional property: Speechiness
  type: PropertyValue
  value: 0.043
additional property: Acousticness
  type: PropertyValue
  value: 0.516
additional property: Instrumentalness
  type: PropertyValue
  value: 0.861
additional property: Liveness
  type: PropertyValue
  value: 0.15
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.846
additional property: Loudness (dB)
  type: PropertyValue
  value: -17.121
additional property: Key Name
  type: PropertyValue
  value: C
additional property: Mode Name
  type: PropertyValue
  value: Minor

Summer Jazz And Bossa Nova Music
type: MusicRecording
duration: PT2M26S
duration ms: 146086
explicit: false
by artist: VPROD Publishing
in album: Bossa Nova Jazz Cafe
  type: MusicAlbum
  date published: 2021-11-02
genre: bossa nova
isrc code: QZ7782103859
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-03T00:42:15+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3edc120f239bcd4b031eecb92fb5a785e7acc295d4b05d291faf8cd20bb6f611
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956440
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956440
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ7782103859
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-03T04:03:57Z
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 0x3edc120f239bcd4b031eecb92fb5a785e7acc295d4b05d291faf8cd20bb6f611. Chain 2 (Bitcoin): anchored in block 956440 (2026-07-03T04:03:57Z), 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/QZ7782103859.
  date published: 2026-07-03T04:03:57Z
audio: Summer Jazz And Bossa Nova Music
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 114.975
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.85
  additional property: Energy
    type: PropertyValue
    value: 0.485
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.685
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.922
  additional property: Liveness
    type: PropertyValue
    value: 0.368
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.948
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.83
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Spring Bossa Nova
type: MusicRecording
duration: PT3M25S
duration ms: 205423
explicit: false
by artist: VPROD Publishing
in album: Bossa Nova Jazz Cafe
  type: MusicAlbum
  date published: 2021-11-02
genre: bossa nova
isrc code: QZ7782103860
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-14T20:24:05+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa287c6886b43908f39aa463f30cc9fe9245681b4d09babbb2a537f947802b58a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958060
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958060
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ7782103860
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-14T20:39:42Z
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 0xa287c6886b43908f39aa463f30cc9fe9245681b4d09babbb2a537f947802b58a. Chain 2 (Bitcoin): anchored in block 958060 (2026-07-14T20:39:42Z), 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/QZ7782103860.
  date published: 2026-07-14T20:39:42Z
audio: Spring Bossa Nova
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 118
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.873
  additional property: Energy
    type: PropertyValue
    value: 0.421
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0.58
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.92
  additional property: Liveness
    type: PropertyValue
    value: 0.128
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.903
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.551
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Happy Winter Jazz Music
type: MusicRecording
duration: PT3M34S
duration ms: 214000
explicit: false
by artist: VPROD Publishing
in album: Bossa Nova Jazz Cafe
  type: MusicAlbum
  date published: 2021-11-02
genre: bossa nova
isrc code: QZ7782103861
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-18T14:02:52+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd27a77795e452f95fae936bb616faf615e5ffb03b26a10d8fe56d69e9ddf5e78
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-18T19:27:02Z
audio: Happy Winter Jazz Music
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Relaxing Bossa Nova
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  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
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  date published: 2026-07-15T22:40:25Z
audio: Relaxing Bossa Nova
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Positive Jazz Music Morning Bossa Nova
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-14T21:07:34Z
audio: Positive Jazz Music Morning Bossa Nova
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Bossa Nova Jazz Cafe
type: MusicAlbum
date published: 2021-11-02

Christmas Jazz Collection
type: MusicAlbum
date published: 2021-11-19

Christmas Jazz Collection
type: MusicAlbum
date published: 2021-11-19

The Christmas Song
type: MusicAlbum
date published: 2021-12-01

A Miracle Christmas Jazz Holiday
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date published: 2021-12-08

Jazz and Bossanova Relaxing Mode
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Nighty Night
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date published: 2021-12-17

Coffee Jazz Music - Saxophone & Guitar
type: MusicAlbum
date published: 2022-01-05

Relaxing Jazz Music - Soft Trumpet
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date published: 2022-01-06

Daily Vibes
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Nhạc Nền Mùa Xuân Không Lời (Vprod BGM)
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Glow Era
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date published: 2022-03-15

Hope to Sleep Forever
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date published: 2022-08-01

Stay Classy
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date published: 2022-08-01

Xứ Nghệ Quê Mình
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Quê Tôi Hưng Yên Tình Người
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Hưng Yên Tình Quê
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Hưng Yên Ngày Mới
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Nhạc Quê Hương Không Lời (Instrumental)
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-20T02:43:34Z
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Cafe & Lounge Cuối Tuần
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Romantic Night Slow Jazz
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Dine Time with Bossa
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Happy Morning Beach Restaurant
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ジャズ・イン・ザ・シティ (Jazz in the City) [Vprod Jazz]
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Âm Nhạc Năng Lượng Tích Cực - Bossa Nova Relaxing (Vprod Jazz)
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Tokyo Jazzy Night (Vprod Jazz)
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date published: 2023-04-07

Buddha Music Zen Meditation
type: MusicAlbum
date published: 2023-04-10

Heal Your Mind for a New Journey with Relaxing Guitar (Vprod Relaxing)
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date published: 2023-04-26

Buddhist Ambient Yoga Relaxation
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date published: 2023-04-26

Buddha Meditation Relaxed Chillout
type: MusicAlbum
date published: 2023-04-26

Meditative Strings Guitar Music for Mindfulness (Vprod Relaxing)
type: MusicAlbum
date published: 2023-04-26

Happy Bossa Night
type: MusicAlbum
date published: 2023-05-04

Buddha Flute Stop Overthinking
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Tibetan Healing Flute - Release of Toxins
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  additional property: OTSVerifyInstructions
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    date published: 2026-07-14T21:07:34Z
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  subject of: OpenTimestamps Proof of Existence
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track: Elevated Consciousness
track: Sacred Ground
track: Inner Light
track: Serenading Serenity

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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 0x5a7c8652e8015f0941977f8c7d6a8e5d6694ebd940141550a5a4db7e4149307b. Chain 2 (Bitcoin): anchored in block 956440 (2026-07-03T04:03:57Z), 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/QZ7782305638.
date published: 2026-07-03T04:03:57Z

Enchanted Forest
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 77.846
additional property: Musical Key
  type: PropertyValue
  value: 9
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.18
additional property: Energy
  type: PropertyValue
  value: 0.043
additional property: Speechiness
  type: PropertyValue
  value: 0.042
additional property: Acousticness
  type: PropertyValue
  value: 0.963
additional property: Instrumentalness
  type: PropertyValue
  value: 0.55
additional property: Liveness
  type: PropertyValue
  value: 0.098
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.089
additional property: Loudness (dB)
  type: PropertyValue
  value: -24.985
additional property: Key Name
  type: PropertyValue
  value: A
additional property: Mode Name
  type: PropertyValue
  value: Minor

Elevated Consciousness
type: MusicRecording
duration: PT2M37S
duration ms: 157500
explicit: false
by artist: VPROD Publishing
in album: Tibetan Healing Flute - Release of Toxins
  type: MusicAlbum
  date published: 2023-05-05
genre: bossa nova
isrc code: QZ7782305640
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-14T20:11:26+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbb8520e407912eca38241d6fb90f48196c4f4d1c1c6b77ea8532e9108a098fb8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958060
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958060
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ7782305640
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-14T20:39:42Z
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 0xbb8520e407912eca38241d6fb90f48196c4f4d1c1c6b77ea8532e9108a098fb8. Chain 2 (Bitcoin): anchored in block 958060 (2026-07-14T20:39:42Z), 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/QZ7782305640.
  date published: 2026-07-14T20:39:42Z
audio: Elevated Consciousness
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 123.507
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.174
  additional property: Energy
    type: PropertyValue
    value: 0.067
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.959
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.942
  additional property: Liveness
    type: PropertyValue
    value: 0.07
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.038
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.568
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Sacred Ground
type: MusicRecording
duration: PT2M41S
duration ms: 161250
explicit: false
by artist: VPROD Publishing
in album: Tibetan Healing Flute - Release of Toxins
  type: MusicAlbum
  date published: 2023-05-05
genre: bossa nova
isrc code: QZ7782305641
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-03T00:44:26+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x21eb41dc779de99bfca75b116f1d046e63cde01b22a678189b7a313cb45840fa
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956422
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956422
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ7782305641
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-03T01:01:38Z
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 0x21eb41dc779de99bfca75b116f1d046e63cde01b22a678189b7a313cb45840fa. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), 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/QZ7782305641.
  date published: 2026-07-03T01:01:38Z
audio: Sacred Ground
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 54.009
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.135
  additional property: Energy
    type: PropertyValue
    value: 0.079
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.973
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.915
  additional property: Liveness
    type: PropertyValue
    value: 0.091
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.058
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.11
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Inner Light
type: MusicRecording
duration: PT2M37S
duration ms: 157500
explicit: false
by artist: VPROD Publishing
in album: Tibetan Healing Flute - Release of Toxins
  type: MusicAlbum
  date published: 2023-05-05
genre: bossa nova
isrc code: QZ7782305642
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-03T05:11:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6673f32a1e911afca958396bb3f4fd1c554bec021863416f510ec5658b2c6bff
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/QZ7782305642
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6673f32a1e911afca958396bb3f4fd1c554bec021863416f510ec5658b2c6bff. 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/QZ7782305642.
  date published: 2026-07-03T08:56:35Z
audio: Inner Light
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 73.624
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.07
  additional property: Energy
    type: PropertyValue
    value: 0.077
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.952
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.857
  additional property: Liveness
    type: PropertyValue
    value: 0.102
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.045
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.293
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Serenading Serenity
type: MusicRecording
duration: PT2M37S
duration ms: 157500
explicit: false
by artist: VPROD Publishing
in album: Tibetan Healing Flute - Release of Toxins
  type: MusicAlbum
  date published: 2023-05-05
genre: bossa nova
isrc code: QZ7782305643
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-15T12:25:07+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x577b5caa0fc32b3d8db2c42fac7e0b60ed916b034428f99b0485f512bd0fceb5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958157
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958157
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ7782305643
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-15T15:27:49Z
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 0x577b5caa0fc32b3d8db2c42fac7e0b60ed916b034428f99b0485f512bd0fceb5. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T15:27:49Z), 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/QZ7782305643.
  date published: 2026-07-15T15:27:49Z
audio: Serenading Serenity
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 87.716
  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: 0.164
  additional property: Energy
    type: PropertyValue
    value: 0.067
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.975
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.964
  additional property: Liveness
    type: PropertyValue
    value: 0.131
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.038
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.115
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tụng Kinh Niệm Phật - Nhạc Không Lời
type: MusicAlbum
date published: 2023-05-24

Những Ngôi Chùa Thiêng Và Cảnh Đẹp Việt Nam
type: MusicAlbum
date published: 2023-05-24

Những Đền Chùa Linh Thiêng Nhất Việt Nam
type: MusicAlbum
date published: 2023-05-24

Asian Adventure Music - Travel Music Background
type: MusicAlbum
date published: 2023-07-06

Beautiful Asian Music Instrumental - Asian Background Music
type: MusicAlbum
date published: 2023-07-06

Beauty of Vietnam's Landscapes and Heritage - Vlog Music BGM
type: MusicAlbum
date published: 2023-07-06

Starlit Legacy - Cinematic Piano Music
type: MusicAlbum
date published: 2023-09-08

Acoustic Fun for Kids - Kids & Children Music
type: MusicAlbum
date published: 2023-09-11

Soul's Journey - Ghibli Jazz Style
type: MusicAlbum
date published: 2023-09-11

Sáo Mèo Tây Bắc - Nhạc Nền Không Lời Vol. 01
type: MusicAlbum
date published: 2023-10-07

Nhạc Nền Đờn Ca Tài Tử Không Lời Vol. 01 - Guitar Phím Lõm & Kìm
type: MusicAlbum
date published: 2023-10-08

Nhạc Nền Vọng Cổ Miền Tây Không Lời Vol. 01 - Guitar Phím Lõm
type: MusicAlbum
date published: 2023-11-28

Nhạc Nền Đờn Ca Tài Tử Không Lời Vol. 02 - Guitar Phím Lõm
type: MusicAlbum
date published: 2023-11-28

Sweet Christmas Melodies
type: MusicAlbum
date published: 2023-12-06

Nhạc Nền Guitar Không Lời Thư Giãn Vol. 02
type: MusicAlbum
date published: 2023-12-14
track: Guitar Không Lời Thư Giãn Mỗi Khoảnh Khắc
  type: MusicRecording
  duration: PT3M37S
  duration ms: 217999
  explicit: false
  by artist: VPROD Publishing
  in album: Nhạc Nền Guitar Không Lời Thư Giãn Vol. 02
    type: MusicAlbum
    date published: 2023-12-14
  genre: bossa nova
  isrc code: QZ7782314956
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T08:34:40+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x1fda83bcd9ff0a4bf1c5a7cb6a9a2f4e8c649381454eee58537ead38e5e757d9
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958705
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958705
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ7782314956
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-19T08:43:25Z
  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 0x1fda83bcd9ff0a4bf1c5a7cb6a9a2f4e8c649381454eee58537ead38e5e757d9. Chain 2 (Bitcoin): anchored in block 958705 (2026-07-19T08:43:25Z), 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/QZ7782314956.
    date published: 2026-07-19T08:43:25Z
  audio: Guitar Không Lời Thư Giãn Mỗi Khoảnh Khắc
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 119.887
    additional property: Musical Key
      type: PropertyValue
      value: 1
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.654
    additional property: Energy
      type: PropertyValue
      value: 0.091
    additional property: Speechiness
      type: PropertyValue
      value: 0.071
    additional property: Acousticness
      type: PropertyValue
      value: 0.94
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.913
    additional property: Liveness
      type: PropertyValue
      value: 0.086
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.216
    additional property: Loudness (dB)
      type: PropertyValue
      value: -21.671
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Nhạc Guitar Không Lời Tập Trung Cho Công Việc
  type: MusicRecording
  duration: PT3M11S
  duration ms: 191999
  explicit: false
  by artist: VPROD Publishing
  in album: Nhạc Nền Guitar Không Lời Thư Giãn Vol. 02
    type: MusicAlbum
    date published: 2023-12-14
  genre: bossa nova
  isrc code: QZ7782314955
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T11:27:00+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x759042c2b6ea952d4f651a8f972ff44094fca297efc3c710855f365696ab39fb
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956822
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956822
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ7782314955
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T18:48:28Z
  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 0x759042c2b6ea952d4f651a8f972ff44094fca297efc3c710855f365696ab39fb. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/QZ7782314955.
    date published: 2026-07-05T18:48:28Z
  audio: Nhạc Guitar Không Lời Tập Trung Cho Công Việc
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 119.763
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.606
    additional property: Energy
      type: PropertyValue
      value: 0.082
    additional property: Speechiness
      type: PropertyValue
      value: 0.092
    additional property: Acousticness
      type: PropertyValue
      value: 0.894
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.887
    additional property: Liveness
      type: PropertyValue
      value: 0.09
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.179
    additional property: Loudness (dB)
      type: PropertyValue
      value: -20.193
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major

Nhạc Nền Guitar Không Lời Thư Giãn Vol. 01
type: MusicAlbum
date published: 2023-12-14

Nhạc Xuân Không Lời
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