OUR SONG VIETNAM
type: MusicGroup
genre: v-pop
popularity: 36
followers: 3038
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3f636b4ca0ff0f7ab3922313d42d107fbd83683ac879fdbd370ca0fffb2b5097
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953423
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953423
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/64ad9a42-5797-4345-9df7-05f9ee797759.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/64ad9a42-5797-4345-9df7-05f9ee797759.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/64ad9a42-5797-4345-9df7-05f9ee797759
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T21:20:00Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x3f636b4ca0ff0f7ab3922313d42d107fbd83683ac879fdbd370ca0fffb2b5097","name":"OUR SONG VIETNAM","registered_at":"2026-06-11T23:03:34Z","symbol":"NIM0130532","token_address":"0xd7399386e67a8afbf9edffbb48078c82e527ad6e","type":"artist","uuid":"64ad9a42-5797-4345-9df7-05f9ee797759"}
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 → block must exist at that height 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 0x3f636b4ca0ff0f7ab3922313d42d107fbd83683ac879fdbd370ca0fffb2b5097. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/64ad9a42-5797-4345-9df7-05f9ee797759.json and https://artists.proofprofile.net/proofs/artist/64ad9a42-5797-4345-9df7-05f9ee797759.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T21:20:00Z
  text: {"copyright_id":"0x3f636b4ca0ff0f7ab3922313d42d107fbd83683ac879fdbd370ca0fffb2b5097","name":"OUR SONG VIETNAM","registered_at":"2026-06-11T23:03:34Z","symbol":"NIM0130532","token_address":"0xd7399386e67a8afbf9edffbb48078c82e527ad6e","type":"artist","uuid":"64ad9a42-5797-4345-9df7-05f9ee797759"}
album: BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM), TẬP 1
  type: MusicAlbum
  date published: 2024-08-27
  track: TỪ THÍCH THÍCH THÀNH THƯƠNG THƯƠNG (feat. Ogenus)
    type: MusicRecording
    duration: PT2M50S
    duration ms: 170000
    explicit: false
    by artist: OUR SONG VIETNAM
    in album: BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM), TẬP 1
      type: MusicAlbum
      date published: 2024-08-27
    isrc code: US38Y2420510
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-18T05:48:43+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x81a2dbb1258480fa2930cb2cf882b1bef01172dade1165f8f411eee7f2383ab5
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956302
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block/956302
    additional property: OTSRecordURL
      type: PropertyValue
      value: https://artists.proofprofile.net/proofs/track/5l2Ajcp1RsmPxrZ6WIQLPm.json
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5l2Ajcp1RsmPxrZ6WIQLPm
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-02T03:30:09Z
    additional property: OTSCanonicalRecord
      type: PropertyValue
      value: {"copyright_id":"0x81a2dbb1258480fa2930cb2cf882b1bef01172dade1165f8f411eee7f2383ab5","isrc":"US38Y2420510","name":"TỪ THÍCH THÍCH THÀNH THƯƠNG THƯƠNG (feat. Ogenus)","registered_at":"2026-06-18T05:48:43Z","spotify_id":"5l2Ajcp1RsmPxrZ6WIQLPm","type":"track"}
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x81a2dbb1258480fa2930cb2cf882b1bef01172dade1165f8f411eee7f2383ab5. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5l2Ajcp1RsmPxrZ6WIQLPm.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5l2Ajcp1RsmPxrZ6WIQLPm.
      date published: 2026-07-02T03:30:09Z
      text: {"copyright_id":"0x81a2dbb1258480fa2930cb2cf882b1bef01172dade1165f8f411eee7f2383ab5","isrc":"US38Y2420510","name":"TỪ THÍCH THÍCH THÀNH THƯƠNG THƯƠNG (feat. Ogenus)","registered_at":"2026-06-18T05:48:43Z","spotify_id":"5l2Ajcp1RsmPxrZ6WIQLPm","type":"track"}
  track: EM NHỚ ANH RẤT NHIỀU (feat. Orange)
    type: MusicRecording
    duration: PT2M8S
    duration ms: 128793
    explicit: false
    by artist: OUR SONG VIETNAM
    in album: BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM), TẬP 1
      type: MusicAlbum
      date published: 2024-08-27
    isrc code: US38Y2420511
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-21T10:11:09+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x801bea38e881ad841ceb2d172bbafc7e2ba7770cc94359c58f554056a36f09d5
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956302
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block/956302
    additional property: OTSRecordURL
      type: PropertyValue
      value: https://artists.proofprofile.net/proofs/track/1QFBWk6yPmnBQfBs3IoYZo.json
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1QFBWk6yPmnBQfBs3IoYZo
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-02T03:30:09Z
    additional property: OTSCanonicalRecord
      type: PropertyValue
      value: {"copyright_id":"0x801bea38e881ad841ceb2d172bbafc7e2ba7770cc94359c58f554056a36f09d5","isrc":"US38Y2420511","name":"EM NHỚ ANH RẤT NHIỀU (feat. Orange)","registered_at":"2026-06-21T10:11:09Z","spotify_id":"1QFBWk6yPmnBQfBs3IoYZo","type":"track"}
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x801bea38e881ad841ceb2d172bbafc7e2ba7770cc94359c58f554056a36f09d5. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1QFBWk6yPmnBQfBs3IoYZo.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1QFBWk6yPmnBQfBs3IoYZo.
      date published: 2026-07-02T03:30:09Z
      text: {"copyright_id":"0x801bea38e881ad841ceb2d172bbafc7e2ba7770cc94359c58f554056a36f09d5","isrc":"US38Y2420511","name":"EM NHỚ ANH RẤT NHIỀU (feat. Orange)","registered_at":"2026-06-21T10:11:09Z","spotify_id":"1QFBWk6yPmnBQfBs3IoYZo","type":"track"}
  track: HƯƠNG ĐÊM BAY XA (feat. LyLy)
    type: MusicRecording
    duration: PT2M19S
    duration ms: 139434
    explicit: false
    by artist: OUR SONG VIETNAM
    in album: BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM), TẬP 1
      type: MusicAlbum
      date published: 2024-08-27
    isrc code: US38Y2420512
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-07T22:11:39+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x96c83913f6608897cf89e8d88be75840909f804478ad164f06d601ea12836e11
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 953528
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block/953528
    additional property: OTSRecordURL
      type: PropertyValue
      value: https://artists.proofprofile.net/proofs/track/41JZZsxjWdLGe08HYcOgnr.json
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/41JZZsxjWdLGe08HYcOgnr
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-06-13T15:41:10Z
    additional property: OTSCanonicalRecord
      type: PropertyValue
      value: {"copyright_id":"0x96c83913f6608897cf89e8d88be75840909f804478ad164f06d601ea12836e11","isrc":"US38Y2420512","name":"HƯƠNG ĐÊM BAY XA (feat. LyLy)","registered_at":"2026-06-07T22:11:39Z","spotify_id":"41JZZsxjWdLGe08HYcOgnr","type":"track"}
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x96c83913f6608897cf89e8d88be75840909f804478ad164f06d601ea12836e11. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/41JZZsxjWdLGe08HYcOgnr.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/41JZZsxjWdLGe08HYcOgnr.
      date published: 2026-06-13T15:41:10Z
      text: {"copyright_id":"0x96c83913f6608897cf89e8d88be75840909f804478ad164f06d601ea12836e11","isrc":"US38Y2420512","name":"HƯƠNG ĐÊM BAY XA (feat. LyLy)","registered_at":"2026-06-07T22:11:39Z","spotify_id":"41JZZsxjWdLGe08HYcOgnr","type":"track"}
  track: CHO EM MỘT NGÀY (feat. Thanh Lam & Orange)
    type: MusicRecording
    duration: PT4M36S
    duration ms: 276333
    explicit: false
    by artist: OUR SONG VIETNAM
    in album: BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM), TẬP 1
      type: MusicAlbum
      date published: 2024-08-27
    isrc code: US38Y2420513
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-20T12:16:11+00:00
    additional property: CopyrightChainExplorerURL
    additional property: OTSHash
    additional property: OTSBitcoinBlock
    additional property: OTSBitcoinBlockVerifyURL
    additional property: OTSRecordURL
    additional property: OTSVerificationAPI
    additional property: OTSTimestamp
    additional property: OTSCanonicalRecord
    additional property: OTSVerifyInstructions
    subject of: OpenTimestamps Proof of Existence
  track: HOANG MANG (feat. Hoàng Hải & LyLy)
album: BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM), TẬP 2
album: BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM), TẬP 3
album: BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM), TẬP 4
album: BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM), TẬP 5
album: BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM), TẬP 6
album: BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM), TẬP 7
album: BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM), TẬP 8
album: BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM), TẬP 9
album: BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM), TẬP 10
album: BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM), TẬP 11
album: BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM), TẬP 12
album: BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM), TẬP 13
album: MASHUP NÀNG - HƯƠNG (BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM)), TẬP 14 [feat. Lương Bích Hữu & Ogenus]
track: TỪ THÍCH THÍCH THÀNH THƯƠNG THƯƠNG (feat. Ogenus)
track: EM NHỚ ANH RẤT NHIỀU (feat. Orange)
track: HƯƠNG ĐÊM BAY XA (feat. LyLy)
track: CHO EM MỘT NGÀY (feat. Thanh Lam & Orange)
track: HOANG MANG (feat. Hoàng Hải & LyLy)
track: MONG ƯỚC KỶ NIỆM XƯA (feat. Ogenus, Orange, LyLy & Vũ Thảo My)
track: CÓ HẸN VỚI THANH XUÂN (feat. Thanh Lam, Thu Minh, Lương Bích Hữu & Mai Tiến Dũng)
track: BÙA YÊU (feat. Thanh Lam & Orange)
track: ANH TIN MÌNH ĐÃ CHO NHAU MỘT KỶ NIỆM (feat. Lương Bích Hữu & Ogenus)
track: MƯỢN RƯỢU TỎ TÌNH (feat. Mai Tiến Dũng & LyLy)
track: NƠI MÌNH DỪNG CHÂN (feat. Thanh Lam & Orange)
track: EM KHÔNG QUAY VỀ (feat. Mai Tiến Dũng & LyLy)
track: SHH CHỈ TA BIẾT THÔI (feat. Hoàng Hải & Lâm Bảo Ngọc)
track: HÀO QUANG (feat. Thu Minh & Vũ Thảo My)
track: "MASHUP: ĐÔI MI EM ĐANG U SẦU - XIN ANH ĐỪNG" (feat. Lương Bích Hữu & Ogenus)
track: ĐỪNG NGOẢNH LẠI (feat. Quang Linh & Phạm Anh Duy)
track: KHOÁ LY BIỆT (feat. Anh Tú)
track: ÔI QUÊ TÔI (feat. Thanh Lam & Mai Tiến Dũng)
track: KHÓC (feat. LyLy & Orange)
track: MASHUP: XIN LỖI - ANH ƠI Ở LẠI (feat. Thanh Hà & Phạm Anh Duy)

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x1b73549acd526ebfc7f00018e535a84b3d6c734381a35645c0401cc25c3cfb76

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 956302

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block/956302

OTSRecordURL
type: PropertyValue
value: https://artists.proofprofile.net/proofs/track/4658jqMcoaqO0kXwVaQ7Yw.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4658jqMcoaqO0kXwVaQ7Yw

OTSTimestamp
type: PropertyValue
value: 2026-07-02T03:30:09Z

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0x1b73549acd526ebfc7f00018e535a84b3d6c734381a35645c0401cc25c3cfb76","isrc":"US38Y2420513","name":"CHO EM MỘT NGÀY (feat. Thanh Lam & Orange)","registered_at":"2026-06-20T12:16:11Z","spotify_id":"4658jqMcoaqO0kXwVaQ7Yw","type":"track"}

OTSVerifyInstructions
type: PropertyValue
value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b73549acd526ebfc7f00018e535a84b3d6c734381a35645c0401cc25c3cfb76. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4658jqMcoaqO0kXwVaQ7Yw.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4658jqMcoaqO0kXwVaQ7Yw.
date published: 2026-07-02T03:30:09Z
text: {"copyright_id":"0x1b73549acd526ebfc7f00018e535a84b3d6c734381a35645c0401cc25c3cfb76","isrc":"US38Y2420513","name":"CHO EM MỘT NGÀY (feat. Thanh Lam & Orange)","registered_at":"2026-06-20T12:16:11Z","spotify_id":"4658jqMcoaqO0kXwVaQ7Yw","type":"track"}

HOANG MANG (feat. Hoàng Hải & LyLy)
type: MusicRecording
duration: PT4M7S
duration ms: 247584
explicit: false
by artist: OUR SONG VIETNAM
in album: BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM), TẬP 1
  type: MusicAlbum
  date published: 2024-08-27
isrc code: US38Y2420514
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T22:13:03+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9dcab37a59c33b27af3e09029ddf80ed98eaf106bfef4d5a8eb6d371daecb43d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1KmlrjksqqtcnY0bX2rNv5.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1KmlrjksqqtcnY0bX2rNv5
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x9dcab37a59c33b27af3e09029ddf80ed98eaf106bfef4d5a8eb6d371daecb43d","isrc":"US38Y2420514","name":"HOANG MANG (feat. Hoàng Hải & LyLy)","registered_at":"2026-06-07T22:13:03Z","spotify_id":"1KmlrjksqqtcnY0bX2rNv5","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x9dcab37a59c33b27af3e09029ddf80ed98eaf106bfef4d5a8eb6d371daecb43d. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1KmlrjksqqtcnY0bX2rNv5.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1KmlrjksqqtcnY0bX2rNv5.
  date published: 2026-06-13T15:41:10Z
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BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM), TẬP 2
type: MusicAlbum
date published: 2024-09-03
track: ĐỂ DÀNH (feat. Phạm Anh Duy)
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  duration ms: 154917
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  by artist: OUR SONG VIETNAM
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    type: MusicAlbum
    date published: 2024-09-03
  isrc code: US38Y2421105
track: TRÁI TIM EM CŨNG BIẾT ĐAU (feat. Lâm Bảo Ngọc)
  type: MusicRecording
  duration: PT2M53S
  duration ms: 173089
  explicit: false
  by artist: OUR SONG VIETNAM
  in album: BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM), TẬP 2
    type: MusicAlbum
    date published: 2024-09-03
track: EM NGÀY XƯA KHÁC RỒI (feat. Vũ Thảo My)
  type: MusicRecording
  duration: PT2M27S
  duration ms: 147500
  explicit: false
  by artist: OUR SONG VIETNAM
  in album: BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM), TẬP 2
    type: MusicAlbum
    date published: 2024-09-03
track: THƯƠNG QUÁ VIỆT NAM (feat. Quang Linh & Phạm Anh Duy)
  type: MusicRecording
  duration: PT4M27S
  duration ms: 267705
  explicit: false
  by artist: OUR SONG VIETNAM
  in album: BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM), TẬP 2
    type: MusicAlbum
    date published: 2024-09-03
track: YÊU MÌNH ANH (feat. Thu Minh & Lâm Bảo Ngọc)
  type: MusicRecording
  duration: PT4M6S
  duration ms: 246545
  explicit: false
  by artist: OUR SONG VIETNAM
  in album: BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM), TẬP 2
    type: MusicAlbum
    date published: 2024-09-03
track: DẰM TRONG TIM (feat. Lương Bích Hữu & Vũ Thảo My)
  type: MusicRecording
  duration: PT4M31S
  duration ms: 271021
  explicit: false
  by artist: OUR SONG VIETNAM
  in album: BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM), TẬP 2
    type: MusicAlbum
    date published: 2024-09-03

BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM), TẬP 3
type: MusicAlbum
date published: 2024-09-10
track: TỪNG YÊU (feat. Phan Duy Anh)
  type: MusicRecording
  duration: PT2M40S
  duration ms: 160238
  explicit: false
  by artist: OUR SONG VIETNAM
  in album: BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM), TẬP 3
    type: MusicAlbum
    date published: 2024-09-10
  isrc code: US38Y2421996
track: EM KHÔNG SAI CHÚNG TA SAI (feat. Dương Edward)
  type: MusicRecording
  duration: PT2M35S
  duration ms: 155673
  explicit: false
  by artist: OUR SONG VIETNAM
  in album: BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM), TẬP 3
    type: MusicAlbum
    date published: 2024-09-10
  isrc code: US38Y2421997
track: NGƯỜI HÃY QUÊN EM ĐI (feat. Ngọc Anh & Phan Duy Anh)
  type: MusicRecording
  duration: PT4M44S
  duration ms: 284505
  explicit: false
  by artist: OUR SONG VIETNAM
  in album: BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM), TẬP 3
    type: MusicAlbum
    date published: 2024-09-10
track: SỢ YÊU (feat. Thanh Hà & Dương Edward)
  type: MusicRecording
  duration: PT4M7S
  duration ms: 247674
  explicit: false
  by artist: OUR SONG VIETNAM
  in album: BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM), TẬP 3
    type: MusicAlbum
    date published: 2024-09-10

BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM), TẬP 4
type: MusicAlbum
date published: 2024-09-24
track: MONG ƯỚC KỶ NIỆM XƯA (feat. Ogenus, Orange, LyLy & Vũ Thảo My)
  type: MusicRecording
  duration: PT4M39S
  duration ms: 279185
  explicit: false
  by artist: OUR SONG VIETNAM
  in album: BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM), TẬP 4
    type: MusicAlbum
    date published: 2024-09-24
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  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-11T17:30:34+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xf9d0fb5760775418d9d7c632bb543e5af2ef689c38a85307c62b70fcc2962ee6
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953528
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/0GgjpHU9bfs5FGKWoLa3lX.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0GgjpHU9bfs5FGKWoLa3lX
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xf9d0fb5760775418d9d7c632bb543e5af2ef689c38a85307c62b70fcc2962ee6. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0GgjpHU9bfs5FGKWoLa3lX.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0GgjpHU9bfs5FGKWoLa3lX.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0xf9d0fb5760775418d9d7c632bb543e5af2ef689c38a85307c62b70fcc2962ee6","isrc":"US38Y2423337","name":"MONG ƯỚC KỶ NIỆM XƯA (feat. Ogenus, Orange, LyLy & Vũ Thảo My)","registered_at":"2026-06-11T17:30:34Z","spotify_id":"0GgjpHU9bfs5FGKWoLa3lX","type":"track"}
track: CÓ HẸN VỚI THANH XUÂN (feat. Thanh Lam, Thu Minh, Lương Bích Hữu & Mai Tiến Dũng)
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  duration ms: 222000
  explicit: false
  by artist: OUR SONG VIETNAM
  in album: BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM), TẬP 4
    type: MusicAlbum
    date published: 2024-09-24
  isrc code: US38Y2423338
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-21T18:47:42+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x24962f613fb258f9246b706d6159742568f1923bb69cc3710e6d507bdd01ddbb
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956302
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/4FeQLDuTDKD0Y6Cx9EGUgx.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4FeQLDuTDKD0Y6Cx9EGUgx
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x24962f613fb258f9246b706d6159742568f1923bb69cc3710e6d507bdd01ddbb","isrc":"US38Y2423338","name":"CÓ HẸN VỚI THANH XUÂN (feat. Thanh Lam, Thu Minh, Lương Bích Hữu & Mai Tiến Dũng)","registered_at":"2026-06-21T18:47:42Z","spotify_id":"4FeQLDuTDKD0Y6Cx9EGUgx","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x24962f613fb258f9246b706d6159742568f1923bb69cc3710e6d507bdd01ddbb. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4FeQLDuTDKD0Y6Cx9EGUgx.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4FeQLDuTDKD0Y6Cx9EGUgx.
    date published: 2026-07-02T03:30:09Z
    text: {"copyright_id":"0x24962f613fb258f9246b706d6159742568f1923bb69cc3710e6d507bdd01ddbb","isrc":"US38Y2423338","name":"CÓ HẸN VỚI THANH XUÂN (feat. Thanh Lam, Thu Minh, Lương Bích Hữu & Mai Tiến Dũng)","registered_at":"2026-06-21T18:47:42Z","spotify_id":"4FeQLDuTDKD0Y6Cx9EGUgx","type":"track"}
track: BÙA YÊU (feat. Thanh Lam & Orange)
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  duration: PT3M59S
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    type: MusicAlbum
    date published: 2024-09-24
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  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-22T08:35:43+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
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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: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/7s6uVp4jvTllqzJlQODshv.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7s6uVp4jvTllqzJlQODshv
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T05:09:12Z
  additional property: OTSCanonicalRecord
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x41652a823be055ecd95f239b5ad176d69f2eca8e8adcd5af268cd811c953e8d3. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7s6uVp4jvTllqzJlQODshv.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7s6uVp4jvTllqzJlQODshv.
    date published: 2026-07-02T05:09:12Z
    text: {"copyright_id":"0x41652a823be055ecd95f239b5ad176d69f2eca8e8adcd5af268cd811c953e8d3","isrc":"US38Y2423339","name":"BÙA YÊU (feat. Thanh Lam & Orange)","registered_at":"2026-06-22T08:35:43Z","spotify_id":"7s6uVp4jvTllqzJlQODshv","type":"track"}
track: ANH TIN MÌNH ĐÃ CHO NHAU MỘT KỶ NIỆM (feat. Lương Bích Hữu & Ogenus)
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  duration: PT3M35S
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    type: MusicAlbum
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  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T03:25:41+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x19766d255c016af62d4606e0195c609b96662de3d3569ca49638fb5c5a3a38e6
  additional property: OTSHash
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  additional property: OTSBitcoinBlockVerifyURL
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  additional property: OTSRecordURL
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    value: https://artists.proofprofile.net/proofs/track/4A9Ifth5QMYp3Vgp42uLxJ.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4A9Ifth5QMYp3Vgp42uLxJ
  additional property: OTSTimestamp
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  additional property: OTSCanonicalRecord
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x19766d255c016af62d4606e0195c609b96662de3d3569ca49638fb5c5a3a38e6. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4A9Ifth5QMYp3Vgp42uLxJ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4A9Ifth5QMYp3Vgp42uLxJ.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0x19766d255c016af62d4606e0195c609b96662de3d3569ca49638fb5c5a3a38e6","isrc":"US38Y2423340","name":"ANH TIN MÌNH ĐÃ CHO NHAU MỘT KỶ NIỆM (feat. Lương Bích Hữu & Ogenus)","registered_at":"2026-06-07T03:25:41Z","spotify_id":"4A9Ifth5QMYp3Vgp42uLxJ","type":"track"}
track: MƯỢN RƯỢU TỎ TÌNH (feat. Mai Tiến Dũng & LyLy)
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  duration: PT3M26S
  duration ms: 206341
  explicit: false
  by artist: OUR SONG VIETNAM
  in album: BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM), TẬP 4
    type: MusicAlbum
    date published: 2024-09-24
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  additional property: CopyrightID
  additional property: CopyrightStatus
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSRecordURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-06-20T12:02:37+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x5a33645ae7aa8880db2543c82ca756089da7bf025b5777f900f5b0d9644b219c

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 956304

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block/956304

OTSRecordURL
type: PropertyValue
value: https://artists.proofprofile.net/proofs/track/0Vw7Aw5VQRsFgPxn1tWdHC.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0Vw7Aw5VQRsFgPxn1tWdHC

OTSTimestamp
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value: 2026-07-02T03:55:08Z

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0x5a33645ae7aa8880db2543c82ca756089da7bf025b5777f900f5b0d9644b219c","isrc":"US38Y2423341","name":"MƯỢN RƯỢU TỎ TÌNH (feat. Mai Tiến Dũng & LyLy)","registered_at":"2026-06-20T12:02:37Z","spotify_id":"0Vw7Aw5VQRsFgPxn1tWdHC","type":"track"}

OTSVerifyInstructions
type: PropertyValue
value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a33645ae7aa8880db2543c82ca756089da7bf025b5777f900f5b0d9644b219c. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0Vw7Aw5VQRsFgPxn1tWdHC.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0Vw7Aw5VQRsFgPxn1tWdHC.
date published: 2026-07-02T03:55:08Z
text: {"copyright_id":"0x5a33645ae7aa8880db2543c82ca756089da7bf025b5777f900f5b0d9644b219c","isrc":"US38Y2423341","name":"MƯỢN RƯỢU TỎ TÌNH (feat. Mai Tiến Dũng & LyLy)","registered_at":"2026-06-20T12:02:37Z","spotify_id":"0Vw7Aw5VQRsFgPxn1tWdHC","type":"track"}

BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM), TẬP 5
type: MusicAlbum
date published: 2024-10-01
track: HAI MƯƠI (feat. Lâm Bảo Ngọc, Dương Edward, Phan Duy Anh & Phạm Anh Duy)
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BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM), TẬP 5
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track: HAI MƯƠI (feat. Lâm Bảo Ngọc, Dương Edward, Phan Duy Anh & Phạm Anh Duy)
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BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM), TẬP 6
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track: RIÊNG MỘT GÓC TRỜI (feat. Ngọc Anh, Hoàng Hải & Phan Duy Anh)
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track: ĐƯỜNG XA ƯỚT MƯA (feat. Thu Minh, Lương Bích Hữu & Ogenus)
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BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM), TẬP 7
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track: TIẾNG GIÓ XÔN XAO (feat. Thanh Lam, Orange & LyLy)
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track: NỖI NHỚ ĐẦY VƠI (feat. Mai Tiến Dũng & Pháp Kiều)
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track: ĐỔI THAY (feat. Dương Edward & Ali Hoàng Dương)
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BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM), TẬP 8
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track: Ừ EM XIN LỖI (feat. Thu Minh & Lương Bích Hữu)
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track: XEM NHƯ EM CHẲNG MAY (feat. Vũ Thảo My & Ogenus)
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BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM), TẬP 9
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  subject of: OpenTimestamps Proof of Existence
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  subject of: OpenTimestamps Proof of Existence
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  subject of: OpenTimestamps Proof of Existence
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BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM), TẬP 10
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  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
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  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-10T07:13:29+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xcad3d8a3924f76e616d90a33ddc048d4760fa4aa033b640dda8226f655c27277
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953536
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953536
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/74uWpiuF2MZ0Ca26lLisSD.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/74uWpiuF2MZ0Ca26lLisSD
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xcad3d8a3924f76e616d90a33ddc048d4760fa4aa033b640dda8226f655c27277","isrc":"US38Y2428611","name":"EM KHÔNG QUAY VỀ (feat. Mai Tiến Dũng & LyLy)","registered_at":"2026-06-10T07:13:29Z","spotify_id":"74uWpiuF2MZ0Ca26lLisSD","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xcad3d8a3924f76e616d90a33ddc048d4760fa4aa033b640dda8226f655c27277. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/74uWpiuF2MZ0Ca26lLisSD.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/74uWpiuF2MZ0Ca26lLisSD.
    date published: 2026-06-13T17:25:41Z
    text: {"copyright_id":"0xcad3d8a3924f76e616d90a33ddc048d4760fa4aa033b640dda8226f655c27277","isrc":"US38Y2428611","name":"EM KHÔNG QUAY VỀ (feat. Mai Tiến Dũng & LyLy)","registered_at":"2026-06-10T07:13:29Z","spotify_id":"74uWpiuF2MZ0Ca26lLisSD","type":"track"}
track: SHH CHỈ TA BIẾT THÔI (feat. Hoàng Hải & Lâm Bảo Ngọc)
  type: MusicRecording
  duration: PT4M20S
  duration ms: 260726
  explicit: false
  by artist: OUR SONG VIETNAM
  in album: BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM), TẬP 10
    type: MusicAlbum
    date published: 2024-11-05
  isrc code: US38Y2428612
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-11T17:29:26+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa31851b4076625c34a4cc8166ca0d410a5e2dbea051056d9b39a6e7ed2e3ee3c
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953528
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/69vBMWtIz8yF3vzPHEERhS.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/69vBMWtIz8yF3vzPHEERhS
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xa31851b4076625c34a4cc8166ca0d410a5e2dbea051056d9b39a6e7ed2e3ee3c","isrc":"US38Y2428612","name":"SHH CHỈ TA BIẾT THÔI (feat. Hoàng Hải & Lâm Bảo Ngọc)","registered_at":"2026-06-11T17:29:26Z","spotify_id":"69vBMWtIz8yF3vzPHEERhS","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xa31851b4076625c34a4cc8166ca0d410a5e2dbea051056d9b39a6e7ed2e3ee3c. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/69vBMWtIz8yF3vzPHEERhS.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/69vBMWtIz8yF3vzPHEERhS.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0xa31851b4076625c34a4cc8166ca0d410a5e2dbea051056d9b39a6e7ed2e3ee3c","isrc":"US38Y2428612","name":"SHH CHỈ TA BIẾT THÔI (feat. Hoàng Hải & Lâm Bảo Ngọc)","registered_at":"2026-06-11T17:29:26Z","spotify_id":"69vBMWtIz8yF3vzPHEERhS","type":"track"}
track: HÀO QUANG (feat. Thu Minh & Vũ Thảo My)
  type: MusicRecording
  duration: PT4M16S
  duration ms: 256614
  explicit: false
  by artist: OUR SONG VIETNAM
  in album: BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM), TẬP 10
    type: MusicAlbum
    date published: 2024-11-05
  isrc code: US38Y2428613
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-23T15:15:08+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x29e253fb3ede484aa2a507d581b86ccb0c18e07e73ec2a8dff41aa338c88e84c
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956304
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/0lxFsHCnQyZL0nUPiRZekg.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0lxFsHCnQyZL0nUPiRZekg
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x29e253fb3ede484aa2a507d581b86ccb0c18e07e73ec2a8dff41aa338c88e84c","isrc":"US38Y2428613","name":"HÀO QUANG (feat. Thu Minh & Vũ Thảo My)","registered_at":"2026-06-23T15:15:08Z","spotify_id":"0lxFsHCnQyZL0nUPiRZekg","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x29e253fb3ede484aa2a507d581b86ccb0c18e07e73ec2a8dff41aa338c88e84c. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0lxFsHCnQyZL0nUPiRZekg.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0lxFsHCnQyZL0nUPiRZekg.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0x29e253fb3ede484aa2a507d581b86ccb0c18e07e73ec2a8dff41aa338c88e84c","isrc":"US38Y2428613","name":"HÀO QUANG (feat. Thu Minh & Vũ Thảo My)","registered_at":"2026-06-23T15:15:08Z","spotify_id":"0lxFsHCnQyZL0nUPiRZekg","type":"track"}
track: "MASHUP: ĐÔI MI EM ĐANG U SẦU - XIN ANH ĐỪNG" (feat. Lương Bích Hữu & Ogenus)
  type: MusicRecording
  duration: PT5M28S
  duration ms: 328570
  explicit: false
  by artist: OUR SONG VIETNAM
  in album: BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM), TẬP 10
    type: MusicAlbum
    date published: 2024-11-05
  isrc code: US38Y2428614
  additional property: CopyrightID
  additional property: CopyrightStatus
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSRecordURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
track: ĐỪNG NGOẢNH LẠI (feat. Quang Linh & Phạm Anh Duy)
track: KHOÁ LY BIỆT (feat. Anh Tú)

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-06-19T17:11:51+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x27186bf708d8bcffdd1a82bd8adf7887185917cba81b781354e47051d29d164c

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 956304

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block/956304

OTSRecordURL
type: PropertyValue
value: https://artists.proofprofile.net/proofs/track/5cI9UYRmXMMKBRUVRSMf40.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5cI9UYRmXMMKBRUVRSMf40

OTSTimestamp
type: PropertyValue
value: 2026-07-02T03:55:08Z

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0x27186bf708d8bcffdd1a82bd8adf7887185917cba81b781354e47051d29d164c","isrc":"US38Y2428614","name":"\"MASHUP: ĐÔI MI EM ĐANG U SẦU - XIN ANH ĐỪNG\" (feat. Lương Bích Hữu & Ogenus)","registered_at":"2026-06-19T17:11:51Z","spotify_id":"5cI9UYRmXMMKBRUVRSMf40","type":"track"}

OTSVerifyInstructions
type: PropertyValue
value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x27186bf708d8bcffdd1a82bd8adf7887185917cba81b781354e47051d29d164c. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5cI9UYRmXMMKBRUVRSMf40.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5cI9UYRmXMMKBRUVRSMf40.
date published: 2026-07-02T03:55:08Z
text: {"copyright_id":"0x27186bf708d8bcffdd1a82bd8adf7887185917cba81b781354e47051d29d164c","isrc":"US38Y2428614","name":"\"MASHUP: ĐÔI MI EM ĐANG U SẦU - XIN ANH ĐỪNG\" (feat. Lương Bích Hữu & Ogenus)","registered_at":"2026-06-19T17:11:51Z","spotify_id":"5cI9UYRmXMMKBRUVRSMf40","type":"track"}

ĐỪNG NGOẢNH LẠI (feat. Quang Linh & Phạm Anh Duy)
type: MusicRecording
duration: PT4M5S
duration ms: 245379
explicit: false
by artist: OUR SONG VIETNAM
in album: BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM), TẬP 10
  type: MusicAlbum
  date published: 2024-11-05
isrc code: US38Y2428615
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T09:56:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1a372bcdf24483942cd9abf8e0b3cedac2d792fe83f7a7aaca7c7425c214916f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/7fRS2YRIZ3G5d9UjPGW0lV.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7fRS2YRIZ3G5d9UjPGW0lV
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x1a372bcdf24483942cd9abf8e0b3cedac2d792fe83f7a7aaca7c7425c214916f","isrc":"US38Y2428615","name":"ĐỪNG NGOẢNH LẠI (feat. Quang Linh & Phạm Anh Duy)","registered_at":"2026-06-21T09:56:33Z","spotify_id":"7fRS2YRIZ3G5d9UjPGW0lV","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x1a372bcdf24483942cd9abf8e0b3cedac2d792fe83f7a7aaca7c7425c214916f. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7fRS2YRIZ3G5d9UjPGW0lV.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7fRS2YRIZ3G5d9UjPGW0lV.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0x1a372bcdf24483942cd9abf8e0b3cedac2d792fe83f7a7aaca7c7425c214916f","isrc":"US38Y2428615","name":"ĐỪNG NGOẢNH LẠI (feat. Quang Linh & Phạm Anh Duy)","registered_at":"2026-06-21T09:56:33Z","spotify_id":"7fRS2YRIZ3G5d9UjPGW0lV","type":"track"}

KHOÁ LY BIỆT (feat. Anh Tú)
type: MusicRecording
duration: PT5M16S
duration ms: 316937
explicit: false
by artist: OUR SONG VIETNAM
in album: BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM), TẬP 10
  type: MusicAlbum
  date published: 2024-11-05
isrc code: US38Y2428616
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T22:54:42+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x55f2fc2d16b21016b7aad50dfb8469b34cb22672a13f48dbc4f7488041682e50
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1UFwCehpy1ISk6tWCeBfuU.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1UFwCehpy1ISk6tWCeBfuU
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x55f2fc2d16b21016b7aad50dfb8469b34cb22672a13f48dbc4f7488041682e50","isrc":"US38Y2428616","name":"KHOÁ LY BIỆT (feat. Anh Tú)","registered_at":"2026-06-08T22:54:42Z","spotify_id":"1UFwCehpy1ISk6tWCeBfuU","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x55f2fc2d16b21016b7aad50dfb8469b34cb22672a13f48dbc4f7488041682e50. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1UFwCehpy1ISk6tWCeBfuU.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1UFwCehpy1ISk6tWCeBfuU.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x55f2fc2d16b21016b7aad50dfb8469b34cb22672a13f48dbc4f7488041682e50","isrc":"US38Y2428616","name":"KHOÁ LY BIỆT (feat. Anh Tú)","registered_at":"2026-06-08T22:54:42Z","spotify_id":"1UFwCehpy1ISk6tWCeBfuU","type":"track"}

BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM), TẬP 11
type: MusicAlbum
date published: 2024-11-10
track: MASHUP TÌNH 2000 - CÓ KHÔNG GIỮ MẤT ĐỪNG TÌM (feat. Thanh Lam & Thu Minh)
  type: MusicRecording
  duration: PT6M34S
  duration ms: 394916
  explicit: false
  by artist: OUR SONG VIETNAM
  in album: BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM), TẬP 11
    type: MusicAlbum
    date published: 2024-11-10
  isrc code: US38Y2429345
track: MASHUP GIỮ LẤY LÀM GÌ - NGÀY MAI (feat. Quang Linh, Lương Bích Hữu, Vũ Thảo My & Ogenus)
  type: MusicRecording
  duration: PT4M44S
  duration ms: 284642
  explicit: false
  by artist: OUR SONG VIETNAM
  in album: BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM), TẬP 11
    type: MusicAlbum
    date published: 2024-11-10
  isrc code: US38Y2429346
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-21T09:47:48+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x92c12b6860e366e9f15b08cc036a6479142f789e6a6996f1948d3da8100b6ff7
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956302
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956302
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/65NLxKZWCWeZluqmLWnWtE.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/65NLxKZWCWeZluqmLWnWtE
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x92c12b6860e366e9f15b08cc036a6479142f789e6a6996f1948d3da8100b6ff7","isrc":"US38Y2429346","name":"MASHUP GIỮ LẤY LÀM GÌ - NGÀY MAI (feat. Quang Linh, Lương Bích Hữu, Vũ Thảo My & Ogenus)","registered_at":"2026-06-21T09:47:48Z","spotify_id":"65NLxKZWCWeZluqmLWnWtE","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x92c12b6860e366e9f15b08cc036a6479142f789e6a6996f1948d3da8100b6ff7. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/65NLxKZWCWeZluqmLWnWtE.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/65NLxKZWCWeZluqmLWnWtE.
    date published: 2026-07-02T03:30:09Z
    text: {"copyright_id":"0x92c12b6860e366e9f15b08cc036a6479142f789e6a6996f1948d3da8100b6ff7","isrc":"US38Y2429346","name":"MASHUP GIỮ LẤY LÀM GÌ - NGÀY MAI (feat. Quang Linh, Lương Bích Hữu, Vũ Thảo My & Ogenus)","registered_at":"2026-06-21T09:47:48Z","spotify_id":"65NLxKZWCWeZluqmLWnWtE","type":"track"}
track: MASHUP LỜI TỎ TÌNH DỄ THƯƠNG 1 & 2 (feat. Hoàng Hải, Mai Tiến Dũng, LyLy & Lâm Bảo Ngọc)
  type: MusicRecording
  duration: PT4M39S
  duration ms: 279373
  explicit: false
  by artist: OUR SONG VIETNAM
  in album: BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM), TẬP 11
    type: MusicAlbum
    date published: 2024-11-10
  isrc code: US38Y2429347
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T03:28:36+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xac117fdc695110e42f318b31ddddee9480cac0e625a7ddb6078b7451e8fc2ef1
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953528
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/5cEGBX7NITsU2XBhj4M1oL.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5cEGBX7NITsU2XBhj4M1oL
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xac117fdc695110e42f318b31ddddee9480cac0e625a7ddb6078b7451e8fc2ef1","isrc":"US38Y2429347","name":"MASHUP LỜI TỎ TÌNH DỄ THƯƠNG 1 & 2 (feat. Hoàng Hải, Mai Tiến Dũng, LyLy & Lâm Bảo Ngọc)","registered_at":"2026-06-07T03:28:36Z","spotify_id":"5cEGBX7NITsU2XBhj4M1oL","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xac117fdc695110e42f318b31ddddee9480cac0e625a7ddb6078b7451e8fc2ef1. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5cEGBX7NITsU2XBhj4M1oL.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5cEGBX7NITsU2XBhj4M1oL.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0xac117fdc695110e42f318b31ddddee9480cac0e625a7ddb6078b7451e8fc2ef1","isrc":"US38Y2429347","name":"MASHUP LỜI TỎ TÌNH DỄ THƯƠNG 1 & 2 (feat. Hoàng Hải, Mai Tiến Dũng, LyLy & Lâm Bảo Ngọc)","registered_at":"2026-06-07T03:28:36Z","spotify_id":"5cEGBX7NITsU2XBhj4M1oL","type":"track"}

BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM), TẬP 12
type: MusicAlbum
date published: 2024-11-19
track: ÁO MỚI CÀ MAU (feat. Thanh Lam & Orange)
  type: MusicRecording
  duration: PT4M36S
  duration ms: 276434
  explicit: false
  by artist: OUR SONG VIETNAM
  in album: BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM), TẬP 12
    type: MusicAlbum
    date published: 2024-11-19
  isrc code: US38Y2429984
track: Mashup GIỌT MƯA THU - TÌNH ĐẦU QUÁ CHÉN (feat. Thu Minh & Vũ Thảo My)
  type: MusicRecording
  duration: PT6M28S
  duration ms: 388675
  explicit: false
  by artist: OUR SONG VIETNAM
  in album: BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM), TẬP 12
    type: MusicAlbum
    date published: 2024-11-19
  isrc code: US38Y2429985
track: Mashup CHÂN QUÊ - VỀ ĐI EM (feat. Quang Linh & Phạm Anh Duy)
  type: MusicRecording
  duration: PT3M54S
  duration ms: 234843
  explicit: false
  by artist: OUR SONG VIETNAM
  in album: BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM), TẬP 12
    type: MusicAlbum
    date published: 2024-11-19
  isrc code: US38Y2429986
track: Mashup CHA VÀ CON GÁI - SAO CHA KHÔNG (feat. Hoàng Hải & LyLy)
  type: MusicRecording
  duration: PT8M26S
  duration ms: 506760
  explicit: false
  by artist: OUR SONG VIETNAM
  in album: BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM), TẬP 12
    type: MusicAlbum
    date published: 2024-11-19
  isrc code: US38Y2429987

BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM), TẬP 13
type: MusicAlbum
date published: 2024-11-26
track: MASHUP ĐI GIỮA TRỜI RỰC RỠ - GẶP NHAU GIỮA RỪNG MƠ (feat. Lương Bích Hữu & Ogenus)
  type: MusicRecording
  duration: PT5M26S
  duration ms: 326216
  explicit: false
  by artist: OUR SONG VIETNAM
  in album: BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM), TẬP 13
    type: MusicAlbum
    date published: 2024-11-26
  isrc code: US38Y2431554
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-09T15:04:38+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xc45f1da06912bc80006164ac90f4ca14d00b1b766e1a43abb75dec3239ce43b5
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953528
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/3f0PG5qoJYvPlBUyvmbc4j.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3f0PG5qoJYvPlBUyvmbc4j
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xc45f1da06912bc80006164ac90f4ca14d00b1b766e1a43abb75dec3239ce43b5","isrc":"US38Y2431554","name":"MASHUP ĐI GIỮA TRỜI RỰC RỠ - GẶP NHAU GIỮA RỪNG MƠ (feat. Lương Bích Hữu & Ogenus)","registered_at":"2026-06-09T15:04:38Z","spotify_id":"3f0PG5qoJYvPlBUyvmbc4j","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xc45f1da06912bc80006164ac90f4ca14d00b1b766e1a43abb75dec3239ce43b5. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3f0PG5qoJYvPlBUyvmbc4j.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3f0PG5qoJYvPlBUyvmbc4j.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0xc45f1da06912bc80006164ac90f4ca14d00b1b766e1a43abb75dec3239ce43b5","isrc":"US38Y2431554","name":"MASHUP ĐI GIỮA TRỜI RỰC RỠ - GẶP NHAU GIỮA RỪNG MƠ (feat. Lương Bích Hữu & Ogenus)","registered_at":"2026-06-09T15:04:38Z","spotify_id":"3f0PG5qoJYvPlBUyvmbc4j","type":"track"}
track: CHƠI VƠI (feat. Ngọc Anh & Lâm Bảo Ngọc)
  type: MusicRecording
  duration: PT4M56S
  duration ms: 296692
  explicit: false
  by artist: OUR SONG VIETNAM
  in album: BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM), TẬP 13
    type: MusicAlbum
    date published: 2024-11-26
  isrc code: US38Y2431555
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-23T15:44:15+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x3529ba6c94d7778f6bc8964a7dba048b12645ed5082e0a63ee6304e9b21c1f5e
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956304
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/0ckmv3HTUNb7yGst68p9ya.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0ckmv3HTUNb7yGst68p9ya
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x3529ba6c94d7778f6bc8964a7dba048b12645ed5082e0a63ee6304e9b21c1f5e","isrc":"US38Y2431555","name":"CHƠI VƠI (feat. Ngọc Anh & Lâm Bảo Ngọc)","registered_at":"2026-06-23T15:44:15Z","spotify_id":"0ckmv3HTUNb7yGst68p9ya","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x3529ba6c94d7778f6bc8964a7dba048b12645ed5082e0a63ee6304e9b21c1f5e. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0ckmv3HTUNb7yGst68p9ya.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0ckmv3HTUNb7yGst68p9ya.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0x3529ba6c94d7778f6bc8964a7dba048b12645ed5082e0a63ee6304e9b21c1f5e","isrc":"US38Y2431555","name":"CHƠI VƠI (feat. Ngọc Anh & Lâm Bảo Ngọc)","registered_at":"2026-06-23T15:44:15Z","spotify_id":"0ckmv3HTUNb7yGst68p9ya","type":"track"}
track: KIM PHÚT KIM GIỜ (feat. Hoàng Hải, Mai Tiến Dũng & LyLy)
  type: MusicRecording
  duration: PT3M58S
  duration ms: 238000
  explicit: false
  by artist: OUR SONG VIETNAM
  in album: BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM), TẬP 13
    type: MusicAlbum
    date published: 2024-11-26
  isrc code: US38Y2431556
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T09:21:52+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x6cb5f79c02dffc724e003690c7d2ea110826598261d1e152c88339b05503a71e
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953528
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/6NKtMbxrQpnPl1SUnTp9ig.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6NKtMbxrQpnPl1SUnTp9ig
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x6cb5f79c02dffc724e003690c7d2ea110826598261d1e152c88339b05503a71e","isrc":"US38Y2431556","name":"KIM PHÚT KIM GIỜ (feat. Hoàng Hải, Mai Tiến Dũng & LyLy)","registered_at":"2026-06-07T09:21:52Z","spotify_id":"6NKtMbxrQpnPl1SUnTp9ig","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x6cb5f79c02dffc724e003690c7d2ea110826598261d1e152c88339b05503a71e. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6NKtMbxrQpnPl1SUnTp9ig.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6NKtMbxrQpnPl1SUnTp9ig.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0x6cb5f79c02dffc724e003690c7d2ea110826598261d1e152c88339b05503a71e","isrc":"US38Y2431556","name":"KIM PHÚT KIM GIỜ (feat. Hoàng Hải, Mai Tiến Dũng & LyLy)","registered_at":"2026-06-07T09:21:52Z","spotify_id":"6NKtMbxrQpnPl1SUnTp9ig","type":"track"}

MASHUP NÀNG - HƯƠNG (BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM)), TẬP 14 [feat. Lương Bích Hữu & Ogenus]
type: MusicAlbum
date published: 2024-12-03
track: MASHUP NÀNG - HƯƠNG (BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM)), TẬP 14 [feat. Lương Bích Hữu & Ogenus]
  type: MusicRecording
  duration: PT3M39S
  duration ms: 219047
  explicit: false
  by artist: OUR SONG VIETNAM
  in album: MASHUP NÀNG - HƯƠNG (BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM)), TẬP 14 [feat. Lương Bích Hữu & Ogenus]
    type: MusicAlbum
    date published: 2024-12-03
  isrc code: US38Y2432682

TỪ THÍCH THÍCH THÀNH THƯƠNG THƯƠNG (feat. Ogenus)
type: MusicRecording
duration: PT2M50S
duration ms: 170000
explicit: false
by artist: OUR SONG VIETNAM
by artist: OgeNus
in album: BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM), TẬP 1
  type: MusicAlbum
  date published: 2024-08-27
isrc code: US38Y2420510
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T05:48:43+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x81a2dbb1258480fa2930cb2cf882b1bef01172dade1165f8f411eee7f2383ab5
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5l2Ajcp1RsmPxrZ6WIQLPm.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5l2Ajcp1RsmPxrZ6WIQLPm
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x81a2dbb1258480fa2930cb2cf882b1bef01172dade1165f8f411eee7f2383ab5","isrc":"US38Y2420510","name":"TỪ THÍCH THÍCH THÀNH THƯƠNG THƯƠNG (feat. Ogenus)","registered_at":"2026-06-18T05:48:43Z","spotify_id":"5l2Ajcp1RsmPxrZ6WIQLPm","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x81a2dbb1258480fa2930cb2cf882b1bef01172dade1165f8f411eee7f2383ab5. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5l2Ajcp1RsmPxrZ6WIQLPm.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5l2Ajcp1RsmPxrZ6WIQLPm.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0x81a2dbb1258480fa2930cb2cf882b1bef01172dade1165f8f411eee7f2383ab5","isrc":"US38Y2420510","name":"TỪ THÍCH THÍCH THÀNH THƯƠNG THƯƠNG (feat. Ogenus)","registered_at":"2026-06-18T05:48:43Z","spotify_id":"5l2Ajcp1RsmPxrZ6WIQLPm","type":"track"}

EM NHỚ ANH RẤT NHIỀU (feat. Orange)
type: MusicRecording
duration: PT2M8S
duration ms: 128793
explicit: false
by artist: OUR SONG VIETNAM
by artist: Orange
in album: BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM), TẬP 1
  type: MusicAlbum
  date published: 2024-08-27
isrc code: US38Y2420511
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T10:11:09+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x801bea38e881ad841ceb2d172bbafc7e2ba7770cc94359c58f554056a36f09d5
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSRecordURL
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  value: https://artists.proofprofile.net/proofs/track/1QFBWk6yPmnBQfBs3IoYZo.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1QFBWk6yPmnBQfBs3IoYZo
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x801bea38e881ad841ceb2d172bbafc7e2ba7770cc94359c58f554056a36f09d5","isrc":"US38Y2420511","name":"EM NHỚ ANH RẤT NHIỀU (feat. Orange)","registered_at":"2026-06-21T10:11:09Z","spotify_id":"1QFBWk6yPmnBQfBs3IoYZo","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x801bea38e881ad841ceb2d172bbafc7e2ba7770cc94359c58f554056a36f09d5. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1QFBWk6yPmnBQfBs3IoYZo.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1QFBWk6yPmnBQfBs3IoYZo.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0x801bea38e881ad841ceb2d172bbafc7e2ba7770cc94359c58f554056a36f09d5","isrc":"US38Y2420511","name":"EM NHỚ ANH RẤT NHIỀU (feat. Orange)","registered_at":"2026-06-21T10:11:09Z","spotify_id":"1QFBWk6yPmnBQfBs3IoYZo","type":"track"}

HƯƠNG ĐÊM BAY XA (feat. LyLy)
type: MusicRecording
duration: PT2M19S
duration ms: 139434
explicit: false
by artist: OUR SONG VIETNAM
by artist: Lyly
in album: BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM), TẬP 1
  type: MusicAlbum
  date published: 2024-08-27
isrc code: US38Y2420512
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T22:11:39+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x96c83913f6608897cf89e8d88be75840909f804478ad164f06d601ea12836e11
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/41JZZsxjWdLGe08HYcOgnr.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/41JZZsxjWdLGe08HYcOgnr
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x96c83913f6608897cf89e8d88be75840909f804478ad164f06d601ea12836e11","isrc":"US38Y2420512","name":"HƯƠNG ĐÊM BAY XA (feat. LyLy)","registered_at":"2026-06-07T22:11:39Z","spotify_id":"41JZZsxjWdLGe08HYcOgnr","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x96c83913f6608897cf89e8d88be75840909f804478ad164f06d601ea12836e11. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/41JZZsxjWdLGe08HYcOgnr.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/41JZZsxjWdLGe08HYcOgnr.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x96c83913f6608897cf89e8d88be75840909f804478ad164f06d601ea12836e11","isrc":"US38Y2420512","name":"HƯƠNG ĐÊM BAY XA (feat. LyLy)","registered_at":"2026-06-07T22:11:39Z","spotify_id":"41JZZsxjWdLGe08HYcOgnr","type":"track"}

CHO EM MỘT NGÀY (feat. Thanh Lam & Orange)
type: MusicRecording
duration: PT4M36S
duration ms: 276333
explicit: false
by artist: OUR SONG VIETNAM
by artist: Thanh Lam
by artist: Orange
in album: BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM), TẬP 1
  type: MusicAlbum
  date published: 2024-08-27
isrc code: US38Y2420513
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T12:16:11+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1b73549acd526ebfc7f00018e535a84b3d6c734381a35645c0401cc25c3cfb76
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/4658jqMcoaqO0kXwVaQ7Yw.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4658jqMcoaqO0kXwVaQ7Yw
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x1b73549acd526ebfc7f00018e535a84b3d6c734381a35645c0401cc25c3cfb76","isrc":"US38Y2420513","name":"CHO EM MỘT NGÀY (feat. Thanh Lam & Orange)","registered_at":"2026-06-20T12:16:11Z","spotify_id":"4658jqMcoaqO0kXwVaQ7Yw","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x1b73549acd526ebfc7f00018e535a84b3d6c734381a35645c0401cc25c3cfb76. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4658jqMcoaqO0kXwVaQ7Yw.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4658jqMcoaqO0kXwVaQ7Yw.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0x1b73549acd526ebfc7f00018e535a84b3d6c734381a35645c0401cc25c3cfb76","isrc":"US38Y2420513","name":"CHO EM MỘT NGÀY (feat. Thanh Lam & Orange)","registered_at":"2026-06-20T12:16:11Z","spotify_id":"4658jqMcoaqO0kXwVaQ7Yw","type":"track"}

HOANG MANG (feat. Hoàng Hải & LyLy)
type: MusicRecording
duration: PT4M7S
duration ms: 247584
explicit: false
by artist: OUR SONG VIETNAM
by artist: Hoàng Hải
by artist: Lyly
in album: BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM), TẬP 1
  type: MusicAlbum
  date published: 2024-08-27
isrc code: US38Y2420514
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T22:13:03+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9dcab37a59c33b27af3e09029ddf80ed98eaf106bfef4d5a8eb6d371daecb43d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1KmlrjksqqtcnY0bX2rNv5.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1KmlrjksqqtcnY0bX2rNv5
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x9dcab37a59c33b27af3e09029ddf80ed98eaf106bfef4d5a8eb6d371daecb43d","isrc":"US38Y2420514","name":"HOANG MANG (feat. Hoàng Hải & LyLy)","registered_at":"2026-06-07T22:13:03Z","spotify_id":"1KmlrjksqqtcnY0bX2rNv5","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x9dcab37a59c33b27af3e09029ddf80ed98eaf106bfef4d5a8eb6d371daecb43d. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1KmlrjksqqtcnY0bX2rNv5.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1KmlrjksqqtcnY0bX2rNv5.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x9dcab37a59c33b27af3e09029ddf80ed98eaf106bfef4d5a8eb6d371daecb43d","isrc":"US38Y2420514","name":"HOANG MANG (feat. Hoàng Hải & LyLy)","registered_at":"2026-06-07T22:13:03Z","spotify_id":"1KmlrjksqqtcnY0bX2rNv5","type":"track"}

MONG ƯỚC KỶ NIỆM XƯA (feat. Ogenus, Orange, LyLy & Vũ Thảo My)
type: MusicRecording
duration: PT4M39S
duration ms: 279185
explicit: false
by artist: OUR SONG VIETNAM
by artist: OgeNus
by artist: Orange
by artist: Lyly
by artist: Vũ Thảo My
in album: BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM), TẬP 4
  type: MusicAlbum
  date published: 2024-09-24
isrc code: US38Y2423337
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-11T17:30:34+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf9d0fb5760775418d9d7c632bb543e5af2ef689c38a85307c62b70fcc2962ee6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0GgjpHU9bfs5FGKWoLa3lX.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0GgjpHU9bfs5FGKWoLa3lX
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xf9d0fb5760775418d9d7c632bb543e5af2ef689c38a85307c62b70fcc2962ee6","isrc":"US38Y2423337","name":"MONG ƯỚC KỶ NIỆM XƯA (feat. Ogenus, Orange, LyLy & Vũ Thảo My)","registered_at":"2026-06-11T17:30:34Z","spotify_id":"0GgjpHU9bfs5FGKWoLa3lX","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xf9d0fb5760775418d9d7c632bb543e5af2ef689c38a85307c62b70fcc2962ee6. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0GgjpHU9bfs5FGKWoLa3lX.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0GgjpHU9bfs5FGKWoLa3lX.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0xf9d0fb5760775418d9d7c632bb543e5af2ef689c38a85307c62b70fcc2962ee6","isrc":"US38Y2423337","name":"MONG ƯỚC KỶ NIỆM XƯA (feat. Ogenus, Orange, LyLy & Vũ Thảo My)","registered_at":"2026-06-11T17:30:34Z","spotify_id":"0GgjpHU9bfs5FGKWoLa3lX","type":"track"}

CÓ HẸN VỚI THANH XUÂN (feat. Thanh Lam, Thu Minh, Lương Bích Hữu & Mai Tiến Dũng)
type: MusicRecording
duration: PT3M42S
duration ms: 222000
explicit: false
by artist: OUR SONG VIETNAM
by artist: Thanh Lam
by artist: Thu Minh
by artist: Lương Bích Hữu
by artist: Mai Tiến Dũng
in album: BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM), TẬP 4
  type: MusicAlbum
  date published: 2024-09-24
isrc code: US38Y2423338
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T18:47:42+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x24962f613fb258f9246b706d6159742568f1923bb69cc3710e6d507bdd01ddbb
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/4FeQLDuTDKD0Y6Cx9EGUgx.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4FeQLDuTDKD0Y6Cx9EGUgx
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x24962f613fb258f9246b706d6159742568f1923bb69cc3710e6d507bdd01ddbb","isrc":"US38Y2423338","name":"CÓ HẸN VỚI THANH XUÂN (feat. Thanh Lam, Thu Minh, Lương Bích Hữu & Mai Tiến Dũng)","registered_at":"2026-06-21T18:47:42Z","spotify_id":"4FeQLDuTDKD0Y6Cx9EGUgx","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x24962f613fb258f9246b706d6159742568f1923bb69cc3710e6d507bdd01ddbb. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4FeQLDuTDKD0Y6Cx9EGUgx.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4FeQLDuTDKD0Y6Cx9EGUgx.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0x24962f613fb258f9246b706d6159742568f1923bb69cc3710e6d507bdd01ddbb","isrc":"US38Y2423338","name":"CÓ HẸN VỚI THANH XUÂN (feat. Thanh Lam, Thu Minh, Lương Bích Hữu & Mai Tiến Dũng)","registered_at":"2026-06-21T18:47:42Z","spotify_id":"4FeQLDuTDKD0Y6Cx9EGUgx","type":"track"}

BÙA YÊU (feat. Thanh Lam & Orange)
type: MusicRecording
duration: PT3M59S
duration ms: 239112
explicit: false
by artist: OUR SONG VIETNAM
by artist: Thanh Lam
by artist: Orange
in album: BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM), TẬP 4
  type: MusicAlbum
  date published: 2024-09-24
isrc code: US38Y2423339
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-22T08:35:43+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x41652a823be055ecd95f239b5ad176d69f2eca8e8adcd5af268cd811c953e8d3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956312
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/7s6uVp4jvTllqzJlQODshv.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7s6uVp4jvTllqzJlQODshv
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x41652a823be055ecd95f239b5ad176d69f2eca8e8adcd5af268cd811c953e8d3","isrc":"US38Y2423339","name":"BÙA YÊU (feat. Thanh Lam & Orange)","registered_at":"2026-06-22T08:35:43Z","spotify_id":"7s6uVp4jvTllqzJlQODshv","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x41652a823be055ecd95f239b5ad176d69f2eca8e8adcd5af268cd811c953e8d3. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7s6uVp4jvTllqzJlQODshv.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7s6uVp4jvTllqzJlQODshv.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0x41652a823be055ecd95f239b5ad176d69f2eca8e8adcd5af268cd811c953e8d3","isrc":"US38Y2423339","name":"BÙA YÊU (feat. Thanh Lam & Orange)","registered_at":"2026-06-22T08:35:43Z","spotify_id":"7s6uVp4jvTllqzJlQODshv","type":"track"}

ANH TIN MÌNH ĐÃ CHO NHAU MỘT KỶ NIỆM (feat. Lương Bích Hữu & Ogenus)
type: MusicRecording
duration: PT3M35S
duration ms: 215651
explicit: false
by artist: OUR SONG VIETNAM
by artist: Lương Bích Hữu
by artist: OgeNus
in album: BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM), TẬP 4
  type: MusicAlbum
  date published: 2024-09-24
isrc code: US38Y2423340
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T03:25:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x19766d255c016af62d4606e0195c609b96662de3d3569ca49638fb5c5a3a38e6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/4A9Ifth5QMYp3Vgp42uLxJ.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4A9Ifth5QMYp3Vgp42uLxJ
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x19766d255c016af62d4606e0195c609b96662de3d3569ca49638fb5c5a3a38e6","isrc":"US38Y2423340","name":"ANH TIN MÌNH ĐÃ CHO NHAU MỘT KỶ NIỆM (feat. Lương Bích Hữu & Ogenus)","registered_at":"2026-06-07T03:25:41Z","spotify_id":"4A9Ifth5QMYp3Vgp42uLxJ","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x19766d255c016af62d4606e0195c609b96662de3d3569ca49638fb5c5a3a38e6. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4A9Ifth5QMYp3Vgp42uLxJ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4A9Ifth5QMYp3Vgp42uLxJ.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x19766d255c016af62d4606e0195c609b96662de3d3569ca49638fb5c5a3a38e6","isrc":"US38Y2423340","name":"ANH TIN MÌNH ĐÃ CHO NHAU MỘT KỶ NIỆM (feat. Lương Bích Hữu & Ogenus)","registered_at":"2026-06-07T03:25:41Z","spotify_id":"4A9Ifth5QMYp3Vgp42uLxJ","type":"track"}

MƯỢN RƯỢU TỎ TÌNH (feat. Mai Tiến Dũng & LyLy)
type: MusicRecording
duration: PT3M26S
duration ms: 206341
explicit: false
by artist: OUR SONG VIETNAM
by artist: Mai Tiến Dũng
by artist: Lyly
in album: BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM), TẬP 4
  type: MusicAlbum
  date published: 2024-09-24
isrc code: US38Y2423341
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T12:02:37+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5a33645ae7aa8880db2543c82ca756089da7bf025b5777f900f5b0d9644b219c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0Vw7Aw5VQRsFgPxn1tWdHC.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0Vw7Aw5VQRsFgPxn1tWdHC
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x5a33645ae7aa8880db2543c82ca756089da7bf025b5777f900f5b0d9644b219c","isrc":"US38Y2423341","name":"MƯỢN RƯỢU TỎ TÌNH (feat. Mai Tiến Dũng & LyLy)","registered_at":"2026-06-20T12:02:37Z","spotify_id":"0Vw7Aw5VQRsFgPxn1tWdHC","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x5a33645ae7aa8880db2543c82ca756089da7bf025b5777f900f5b0d9644b219c. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0Vw7Aw5VQRsFgPxn1tWdHC.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0Vw7Aw5VQRsFgPxn1tWdHC.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x5a33645ae7aa8880db2543c82ca756089da7bf025b5777f900f5b0d9644b219c","isrc":"US38Y2423341","name":"MƯỢN RƯỢU TỎ TÌNH (feat. Mai Tiến Dũng & LyLy)","registered_at":"2026-06-20T12:02:37Z","spotify_id":"0Vw7Aw5VQRsFgPxn1tWdHC","type":"track"}

NƠI MÌNH DỪNG CHÂN (feat. Thanh Lam & Orange)
type: MusicRecording
duration: PT4M45S
duration ms: 285413
explicit: false
by artist: OUR SONG VIETNAM
by artist: Thanh Lam
by artist: Orange
in album: BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM), TẬP 10
  type: MusicAlbum
  date published: 2024-11-05
isrc code: US38Y2428610
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T12:03:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7549b485717f42576544ed007b455d155947f5ac40760470fc47caca48de08ae
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/43vWSi3WNwgpTg33moGHE9.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/43vWSi3WNwgpTg33moGHE9
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x7549b485717f42576544ed007b455d155947f5ac40760470fc47caca48de08ae","isrc":"US38Y2428610","name":"NƠI MÌNH DỪNG CHÂN (feat. Thanh Lam & Orange)","registered_at":"2026-06-20T12:03:17Z","spotify_id":"43vWSi3WNwgpTg33moGHE9","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x7549b485717f42576544ed007b455d155947f5ac40760470fc47caca48de08ae. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/43vWSi3WNwgpTg33moGHE9.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/43vWSi3WNwgpTg33moGHE9.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x7549b485717f42576544ed007b455d155947f5ac40760470fc47caca48de08ae","isrc":"US38Y2428610","name":"NƠI MÌNH DỪNG CHÂN (feat. Thanh Lam & Orange)","registered_at":"2026-06-20T12:03:17Z","spotify_id":"43vWSi3WNwgpTg33moGHE9","type":"track"}

EM KHÔNG QUAY VỀ (feat. Mai Tiến Dũng & LyLy)
type: MusicRecording
duration: PT4M47S
duration ms: 287462
explicit: false
by artist: OUR SONG VIETNAM
by artist: Mai Tiến Dũng
by artist: Lyly
in album: BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM), TẬP 10
  type: MusicAlbum
  date published: 2024-11-05
isrc code: US38Y2428611
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T07:13:29+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcad3d8a3924f76e616d90a33ddc048d4760fa4aa033b640dda8226f655c27277
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/74uWpiuF2MZ0Ca26lLisSD.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/74uWpiuF2MZ0Ca26lLisSD
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xcad3d8a3924f76e616d90a33ddc048d4760fa4aa033b640dda8226f655c27277","isrc":"US38Y2428611","name":"EM KHÔNG QUAY VỀ (feat. Mai Tiến Dũng & LyLy)","registered_at":"2026-06-10T07:13:29Z","spotify_id":"74uWpiuF2MZ0Ca26lLisSD","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xcad3d8a3924f76e616d90a33ddc048d4760fa4aa033b640dda8226f655c27277. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/74uWpiuF2MZ0Ca26lLisSD.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/74uWpiuF2MZ0Ca26lLisSD.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0xcad3d8a3924f76e616d90a33ddc048d4760fa4aa033b640dda8226f655c27277","isrc":"US38Y2428611","name":"EM KHÔNG QUAY VỀ (feat. Mai Tiến Dũng & LyLy)","registered_at":"2026-06-10T07:13:29Z","spotify_id":"74uWpiuF2MZ0Ca26lLisSD","type":"track"}

SHH CHỈ TA BIẾT THÔI (feat. Hoàng Hải & Lâm Bảo Ngọc)
type: MusicRecording
duration: PT4M20S
duration ms: 260726
explicit: false
by artist: OUR SONG VIETNAM
by artist: Hoàng Hải
by artist: Lâm Bảo Ngọc
in album: BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM), TẬP 10
  type: MusicAlbum
  date published: 2024-11-05
isrc code: US38Y2428612
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-11T17:29:26+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa31851b4076625c34a4cc8166ca0d410a5e2dbea051056d9b39a6e7ed2e3ee3c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/69vBMWtIz8yF3vzPHEERhS.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/69vBMWtIz8yF3vzPHEERhS
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xa31851b4076625c34a4cc8166ca0d410a5e2dbea051056d9b39a6e7ed2e3ee3c","isrc":"US38Y2428612","name":"SHH CHỈ TA BIẾT THÔI (feat. Hoàng Hải & Lâm Bảo Ngọc)","registered_at":"2026-06-11T17:29:26Z","spotify_id":"69vBMWtIz8yF3vzPHEERhS","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xa31851b4076625c34a4cc8166ca0d410a5e2dbea051056d9b39a6e7ed2e3ee3c. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/69vBMWtIz8yF3vzPHEERhS.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/69vBMWtIz8yF3vzPHEERhS.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0xa31851b4076625c34a4cc8166ca0d410a5e2dbea051056d9b39a6e7ed2e3ee3c","isrc":"US38Y2428612","name":"SHH CHỈ TA BIẾT THÔI (feat. Hoàng Hải & Lâm Bảo Ngọc)","registered_at":"2026-06-11T17:29:26Z","spotify_id":"69vBMWtIz8yF3vzPHEERhS","type":"track"}

HÀO QUANG (feat. Thu Minh & Vũ Thảo My)
type: MusicRecording
duration: PT4M16S
duration ms: 256614
explicit: false
by artist: OUR SONG VIETNAM
by artist: Thu Minh
by artist: Vũ Thảo My
in album: BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM), TẬP 10
  type: MusicAlbum
  date published: 2024-11-05
isrc code: US38Y2428613
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T15:15:08+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x29e253fb3ede484aa2a507d581b86ccb0c18e07e73ec2a8dff41aa338c88e84c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0lxFsHCnQyZL0nUPiRZekg.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0lxFsHCnQyZL0nUPiRZekg
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x29e253fb3ede484aa2a507d581b86ccb0c18e07e73ec2a8dff41aa338c88e84c","isrc":"US38Y2428613","name":"HÀO QUANG (feat. Thu Minh & Vũ Thảo My)","registered_at":"2026-06-23T15:15:08Z","spotify_id":"0lxFsHCnQyZL0nUPiRZekg","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x29e253fb3ede484aa2a507d581b86ccb0c18e07e73ec2a8dff41aa338c88e84c. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0lxFsHCnQyZL0nUPiRZekg.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0lxFsHCnQyZL0nUPiRZekg.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x29e253fb3ede484aa2a507d581b86ccb0c18e07e73ec2a8dff41aa338c88e84c","isrc":"US38Y2428613","name":"HÀO QUANG (feat. Thu Minh & Vũ Thảo My)","registered_at":"2026-06-23T15:15:08Z","spotify_id":"0lxFsHCnQyZL0nUPiRZekg","type":"track"}

"MASHUP: ĐÔI MI EM ĐANG U SẦU - XIN ANH ĐỪNG" (feat. Lương Bích Hữu & Ogenus)
type: MusicRecording
duration: PT5M28S
duration ms: 328570
explicit: false
by artist: OUR SONG VIETNAM
by artist: Lương Bích Hữu
by artist: OgeNus
in album: BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM), TẬP 10
  type: MusicAlbum
  date published: 2024-11-05
isrc code: US38Y2428614
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T17:11:51+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x27186bf708d8bcffdd1a82bd8adf7887185917cba81b781354e47051d29d164c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5cI9UYRmXMMKBRUVRSMf40.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5cI9UYRmXMMKBRUVRSMf40
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x27186bf708d8bcffdd1a82bd8adf7887185917cba81b781354e47051d29d164c","isrc":"US38Y2428614","name":"\"MASHUP: ĐÔI MI EM ĐANG U SẦU - XIN ANH ĐỪNG\" (feat. Lương Bích Hữu & Ogenus)","registered_at":"2026-06-19T17:11:51Z","spotify_id":"5cI9UYRmXMMKBRUVRSMf40","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x27186bf708d8bcffdd1a82bd8adf7887185917cba81b781354e47051d29d164c. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5cI9UYRmXMMKBRUVRSMf40.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5cI9UYRmXMMKBRUVRSMf40.
  date published: 2026-07-02T03:55:08Z
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ĐỪNG NGOẢNH LẠI (feat. Quang Linh & Phạm Anh Duy)
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by artist: OUR SONG VIETNAM
by artist: Quang Linh
by artist: Phạm Anh Duy
in album: BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM), TẬP 10
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additional property: OTSHash
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/7fRS2YRIZ3G5d9UjPGW0lV.json
additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x1a372bcdf24483942cd9abf8e0b3cedac2d792fe83f7a7aaca7c7425c214916f. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7fRS2YRIZ3G5d9UjPGW0lV.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7fRS2YRIZ3G5d9UjPGW0lV.
  date published: 2026-07-02T03:30:09Z
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KHOÁ LY BIỆT (feat. Anh Tú)
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duration: PT5M16S
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explicit: false
by artist: OUR SONG VIETNAM
by artist: Anh Tú
in album: BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM), TẬP 10
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additional property: CopyrightID
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSRecordURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSCanonicalRecord
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x55f2fc2d16b21016b7aad50dfb8469b34cb22672a13f48dbc4f7488041682e50. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1UFwCehpy1ISk6tWCeBfuU.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1UFwCehpy1ISk6tWCeBfuU.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x55f2fc2d16b21016b7aad50dfb8469b34cb22672a13f48dbc4f7488041682e50","isrc":"US38Y2428616","name":"KHOÁ LY BIỆT (feat. Anh Tú)","registered_at":"2026-06-08T22:54:42Z","spotify_id":"1UFwCehpy1ISk6tWCeBfuU","type":"track"}

ÔI QUÊ TÔI (feat. Thanh Lam & Mai Tiến Dũng)
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duration: PT5M18S
duration ms: 318181
explicit: false
by artist: OUR SONG VIETNAM
by artist: Thanh Lam
by artist: Mai Tiến Dũng
in album: BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM), TẬP 9
  type: MusicAlbum
  date published: 2024-10-29
isrc code: US38Y2427586

KHÓC (feat. LyLy & Orange)
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duration: PT5M21S
duration ms: 321491
explicit: false
by artist: OUR SONG VIETNAM
by artist: Lyly
by artist: Orange
in album: BÀI HÁT CỦA CHÚNG TA (OUR SONG VIETNAM), TẬP 9
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  date published: 2024-10-29
isrc code: US38Y2427587
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
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additional property: OTSRecordURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSCanonicalRecord
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xaba9a756a5184f9a0e4da2141b0d93000a3f7ff617df79eb470cd56a1737becb. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7vwUMQH6aJJikFD473K9sH.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7vwUMQH6aJJikFD473K9sH.
  date published: 2026-06-13T15:41:10Z
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MASHUP: XIN LỖI - ANH ƠI Ở LẠI (feat. Thanh Hà & Phạm Anh Duy)
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by artist: Phạm Anh Duy
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additional property: CopyrightID
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additional property: CopyrightChainExplorerURL
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcdfe4c6172b50619d268a06ef097d165dfc2242c179293803d953f1061e9cd2f. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5lSJkQnCgfUNxwj5hWVElN.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5lSJkQnCgfUNxwj5hWVElN.
  date published: 2026-07-02T03:55:08Z
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