Chiennhatlang
type: MusicGroup
genre: vietnamese hip hop
genre: v-pop
popularity: 29
followers: 6323
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa337a2e7c38ac8c7302523b65d80f857f471482fdba0a3090680e071022cf2ee
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/3f44e1d5-030e-452a-a9da-eab815f940ec.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/3f44e1d5-030e-452a-a9da-eab815f940ec.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/3f44e1d5-030e-452a-a9da-eab815f940ec
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa337a2e7c38ac8c7302523b65d80f857f471482fdba0a3090680e071022cf2ee. 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/3f44e1d5-030e-452a-a9da-eab815f940ec.json and https://artists.proofprofile.net/proofs/artist/3f44e1d5-030e-452a-a9da-eab815f940ec.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T21:20:00Z
album: Trong Mắt Em
  type: MusicAlbum
  date published: 2020-12-19
album: Từng Đêm Chờ (Instrumental)
  type: MusicAlbum
  date published: 2021-10-27
album: Từng Đêm Chờ
  type: MusicAlbum
  date published: 2021-10-27
album: CƠ ĐỒ
  type: MusicAlbum
  date published: 2021-12-12
album: Cơ Đồ
  type: MusicAlbum
  date published: 2021-12-22
album: Cơ Đồ (Remix)
  type: MusicAlbum
  date published: 2022-01-12
  track: Cơ Đồ - Remix
    type: MusicRecording
    duration: PT2M48S
    duration ms: 168570
    explicit: true
    by artist: Chiennhatlang
    in album: Cơ Đồ (Remix)
      type: MusicAlbum
      date published: 2022-01-12
    genre: vietnamese hip hop
    genre: v-pop
    isrc code: UK6822111350
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-20T15:47:32+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xbeb5e3359ba9a9770a316ded173013be7968813b7ca47b30328db080e008b49d
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958905
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958905
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UK6822111350
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-20T18:49:14Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbeb5e3359ba9a9770a316ded173013be7968813b7ca47b30328db080e008b49d. Chain 2 (Bitcoin): anchored in block 958905 (2026-07-20T18:49:14Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UK6822111350.
      date published: 2026-07-20T18:49:14Z
    audio: Cơ Đồ - Remix
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 150.147
      additional property: Musical Key
        type: PropertyValue
        value: 10
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.722
      additional property: Energy
        type: PropertyValue
        value: 0.596
      additional property: Speechiness
        type: PropertyValue
        value: 0.269
      additional property: Acousticness
        type: PropertyValue
        value: 0.078
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.074
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.888
      additional property: Loudness (dB)
        type: PropertyValue
        value: -9.756
      additional property: Key Name
        type: PropertyValue
        value: Bb
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Phù Du (Special Version)
  type: MusicAlbum
  date published: 2022-01-28
album: Phù Du
  type: MusicAlbum
  date published: 2022-01-28
album: Phù Du
  type: MusicAlbum
  date published: 2022-01-28
  track: Phù Du
    type: MusicRecording
    duration: PT3M44S
    duration ms: 224533
    explicit: false
    by artist: Chiennhatlang
    in album: Phù Du
      type: MusicAlbum
      date published: 2022-01-28
    genre: vietnamese hip hop
    genre: v-pop
    isrc code: FR2X42209164
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-03T06:21:44+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xa252f9eedb9efce79bd871055f1309a1e8aa6dd34a609bc2eb582a3531754ae6
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956484
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956484
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR2X42209164
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-03T10:47:44Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa252f9eedb9efce79bd871055f1309a1e8aa6dd34a609bc2eb582a3531754ae6. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR2X42209164.
      date published: 2026-07-03T10:47:44Z
    audio: Phù Du
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 114.013
      additional property: Musical Key
        type: PropertyValue
        value: 2
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
      additional property: Danceability
      additional property: Energy
      additional property: Speechiness
      additional property: Acousticness
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Cơ Đồ (LOWRIDAZ Remix)
album: Tro Tàn
album: Ly
album: Ngang Nhiên
album: Quá Giang Thiên Hạ
album: Khoan Thai
album: Lối Cũ Rêu Phong
album: TÀNG LONG
album: Tàng Long
album: Châm Lửa Đốt Trời
album: Được Voi Đòi Tiên

Time Signature
type: PropertyValue
value: 4

Danceability
type: PropertyValue
value: 0.909

Energy
type: PropertyValue
value: 0.397

Speechiness
type: PropertyValue
value: 0.114

Acousticness
type: PropertyValue
value: 0.354

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.089

Valence (Positivity)
type: PropertyValue
value: 0.348

Loudness (dB)
type: PropertyValue
value: -10.586

Key Name
type: PropertyValue
value: D

Mode Name
type: PropertyValue
value: Major

Cơ Đồ (LOWRIDAZ Remix)
type: MusicAlbum
date published: 2022-03-09
track: Cơ Đồ (LOWRIDAZ Remix)
  type: MusicRecording
  duration: PT3M11S
  duration ms: 191909
  explicit: false
  by artist: Chiennhatlang
  in album: Cơ Đồ (LOWRIDAZ Remix)
    type: MusicAlbum
    date published: 2022-03-09
  genre: vietnamese hip hop
  genre: v-pop
  isrc code: FR2X42281569
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T21:35:48+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb26f4d4eec6cfb2ec1820ed3ac03b6858ae28cb2a0cbac3d3b1d4f03b223743e
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956728
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956728
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR2X42281569
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T01:43:49Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb26f4d4eec6cfb2ec1820ed3ac03b6858ae28cb2a0cbac3d3b1d4f03b223743e. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR2X42281569.
    date published: 2026-07-05T01:43:49Z
  audio: Cơ Đồ (LOWRIDAZ Remix)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 154.072
    additional property: Musical Key
      type: PropertyValue
      value: 5
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.633
    additional property: Energy
      type: PropertyValue
      value: 0.811
    additional property: Speechiness
      type: PropertyValue
      value: 0.075
    additional property: Acousticness
      type: PropertyValue
      value: 0.383
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.204
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.55
    additional property: Loudness (dB)
      type: PropertyValue
      value: -5.284
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Cơ Đồ (Remix)
type: MusicAlbum
date published: 2022-03-11

Tro Tàn
type: MusicAlbum
date published: 2022-06-18

Tro Tàn
type: MusicAlbum
date published: 2022-06-18
track: Tro Tàn
  type: MusicRecording
  duration: PT3M12S
  duration ms: 192246
  explicit: false
  by artist: Chiennhatlang
  in album: Tro Tàn
    type: MusicAlbum
    date published: 2022-06-18
  genre: vietnamese hip hop
  genre: v-pop
  isrc code: FRX202283960
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T05:17:01+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x79c8f5161e69d186f67d39916410397288d8c763b4ff2dea58631492be806aa2
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956889
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956889
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX202283960
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-06T06:56:49Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79c8f5161e69d186f67d39916410397288d8c763b4ff2dea58631492be806aa2. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX202283960.
    date published: 2026-07-06T06:56:49Z
  audio: Tro Tàn
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 92.491
    additional property: Musical Key
      type: PropertyValue
      value: 6
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.721
    additional property: Energy
      type: PropertyValue
      value: 0.683
    additional property: Speechiness
      type: PropertyValue
      value: 0.033
    additional property: Acousticness
      type: PropertyValue
      value: 0.129
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.26
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.067
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.933
    additional property: Key Name
      type: PropertyValue
      value: F#
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Ly
type: MusicAlbum
date published: 2022-07-25
track: Ly
  type: MusicRecording
  duration: PT2M45S
  duration ms: 165160
  explicit: false
  by artist: Chiennhatlang
  in album: Ly
    type: MusicAlbum
    date published: 2022-07-25
  genre: vietnamese hip hop
  genre: v-pop
  isrc code: FRX282262963
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T03:57:16+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x7685e3739b38a3c91d0ac7001c8ccf1d2f15a712ff7608c97b01761c326a89c2
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958656
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958656
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX282262963
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-19T04:04:08Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7685e3739b38a3c91d0ac7001c8ccf1d2f15a712ff7608c97b01761c326a89c2. Chain 2 (Bitcoin): anchored in block 958656 (2026-07-19T04:04:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX282262963.
    date published: 2026-07-19T04:04:08Z
  audio: Ly
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 104.941
    additional property: Musical Key
      type: PropertyValue
      value: 8
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.732
    additional property: Energy
      type: PropertyValue
      value: 0.31
    additional property: Speechiness
      type: PropertyValue
      value: 0.036
    additional property: Acousticness
      type: PropertyValue
      value: 0.779
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.002
    additional property: Liveness
      type: PropertyValue
      value: 0.108
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.167
    additional property: Loudness (dB)
      type: PropertyValue
      value: -12.468
    additional property: Key Name
      type: PropertyValue
      value: Ab
    additional property: Mode Name
      type: PropertyValue
      value: Major

Ly
type: MusicAlbum
date published: 2022-07-25

Ngang Nhiên
type: MusicAlbum
date published: 2022-10-13

Ngang Nhiên
type: MusicAlbum
date published: 2022-10-14

Quá Giang Thiên Hạ
type: MusicAlbum
date published: 2023-03-02

Quá Giang Thiên Hạ
type: MusicAlbum
date published: 2023-03-02

Khoan Thai
type: MusicAlbum
date published: 2023-04-08

Khoan Thai
type: MusicAlbum
date published: 2023-04-08

Phù Du
type: MusicAlbum
date published: 2023-04-20

Lối Cũ Rêu Phong
type: MusicAlbum
date published: 2023-06-16

TÀNG LONG
type: MusicAlbum
date published: 2023-06-23

Tàng Long
type: MusicAlbum
date published: 2023-06-24

Châm Lửa Đốt Trời
type: MusicAlbum
date published: 2025-02-05
track: Châm Lửa Đốt Trời
  type: MusicRecording
  duration: PT2M36S
  duration ms: 156400
  explicit: false
  by artist: Chiennhatlang
  in album: Châm Lửa Đốt Trời
    type: MusicAlbum
    date published: 2025-02-05
  genre: vietnamese hip hop
  genre: v-pop
  isrc code: US38Y2506933
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-15T06:56:07+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x5950cd8bef5f9a4ae9c716985352b7bf6eccbefc0c0bae5c37fdd877ea8fb3f0
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958111
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958111
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US38Y2506933
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-15T09:58:24Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5950cd8bef5f9a4ae9c716985352b7bf6eccbefc0c0bae5c37fdd877ea8fb3f0. Chain 2 (Bitcoin): anchored in block 958111 (2026-07-15T09:58:24Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US38Y2506933.
    date published: 2026-07-15T09:58:24Z
  audio: Châm Lửa Đốt Trời
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Được Voi Đòi Tiên
type: MusicAlbum
date published: 2025-07-27