Kỳ Anh
type: MusicGroup
genre: v-pop
description: Kỳ Anh is the name of the following geographical locations in Hà Tĩnh Province, Vietnam: Kỳ Anh (town), a district-level town Kỳ Anh district, a rural district Former Kỳ Anh township, dissolved in 20
popularity: 2
followers: 221
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3882f284b9747ebbeca591dd9cbda409f346f6c9908f012f4ede175f4713bb9f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954066
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954066
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/5fe281e6-3ac0-4c4b-ace7-696658236974.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/5fe281e6-3ac0-4c4b-ace7-696658236974.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/5fe281e6-3ac0-4c4b-ace7-696658236974
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:11:48Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x3882f284b9747ebbeca591dd9cbda409f346f6c9908f012f4ede175f4713bb9f","name":"Kỳ Anh","registered_at":"2026-06-16T22:57:21Z","symbol":"NIM1202118","token_address":"0xd61d224e67b11282870569682f2b38ef7b219148","type":"artist","uuid":"5fe281e6-3ac0-4c4b-ace7-696658236974"}
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 0x3882f284b9747ebbeca591dd9cbda409f346f6c9908f012f4ede175f4713bb9f. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/5fe281e6-3ac0-4c4b-ace7-696658236974.json and https://artists.proofprofile.net/proofs/artist/5fe281e6-3ac0-4c4b-ace7-696658236974.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0x3882f284b9747ebbeca591dd9cbda409f346f6c9908f012f4ede175f4713bb9f","name":"Kỳ Anh","registered_at":"2026-06-16T22:57:21Z","symbol":"NIM1202118","token_address":"0xd61d224e67b11282870569682f2b38ef7b219148","type":"artist","uuid":"5fe281e6-3ac0-4c4b-ace7-696658236974"}
album: Tóc em đuôi gà
  type: MusicAlbum
  date published: 1995-01-01
album: Kỳ Anh - Lỡ một lần đứng trú mưa
  type: MusicAlbum
  date published: 1996-01-01
  track: Ánh trăng lẻ loi
    type: MusicRecording
    duration: PT3M45S
    duration ms: 225080
    explicit: false
    by artist: Kỳ Anh
    in album: Kỳ Anh - Lỡ một lần đứng trú mưa
      type: MusicAlbum
      date published: 1996-01-01
    genre: v-pop
    isrc code: VNA0F1735860
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-22T12:12:12+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xa0658a023ad3287328850cee7d9c93f597b5bc91e4491b8c8475991319c9e97e
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956304
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956304
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0F1735860
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-02T03:55:08Z
    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 0xa0658a023ad3287328850cee7d9c93f597b5bc91e4491b8c8475991319c9e97e. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/VNA0F1735860.
      date published: 2026-07-02T03:55:08Z
    audio: Ánh trăng lẻ loi
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 147.873
      additional property: Musical Key
        type: PropertyValue
        value: 1
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 5
      additional property: Danceability
        type: PropertyValue
        value: 0.527
      additional property: Energy
        type: PropertyValue
        value: 0.303
      additional property: Speechiness
        type: PropertyValue
        value: 0.028
      additional property: Acousticness
        type: PropertyValue
        value: 0.593
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.1
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.206
      additional property: Loudness (dB)
        type: PropertyValue
        value: -17.936
      additional property: Key Name
        type: PropertyValue
        value: C#
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: The Best Of Chinese Melodies - Tiễn Nhau Lần Cuối
  type: MusicAlbum
  date published: 1996-01-01
  track: Vòng Tay Người Ấy
    type: MusicRecording
    duration: PT3M45S
    duration ms: 225306
    explicit: false
    by artist: Kỳ Anh
    in album: The Best Of Chinese Melodies - Tiễn Nhau Lần Cuối
      type: MusicAlbum
      date published: 1996-01-01
    genre: v-pop
    isrc code: QM9SX2001127
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-07T07:13:14+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x9408d24d47d474e1ab170d764b83af8f0b8ad5cec54100a94e95f165f0e2164a
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 957118
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/957118
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM9SX2001127
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-08T03:20:19Z
    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 0x9408d24d47d474e1ab170d764b83af8f0b8ad5cec54100a94e95f165f0e2164a. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/QM9SX2001127.
      date published: 2026-07-08T03:20:19Z
    audio: Vòng Tay Người Ấy
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 131.178
      additional property: Musical Key
        type: PropertyValue
        value: 11
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 5
      additional property: Danceability
        type: PropertyValue
        value: 0.768
      additional property: Energy
        type: PropertyValue
        value: 0.585
      additional property: Speechiness
        type: PropertyValue
        value: 0.036
      additional property: Acousticness
        type: PropertyValue
        value: 0.127
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
  track: Mot Thuo Yeu Nguoi
album: Xin Trả Nợ Người
album: Trở Về Cát Bụi
album: Trái tim tuyệt vọng
album: Về miền đất lạnh
album: Kỳ Anh - Cơn mê dài
album: Từ ngày tình bỏ ra đi

Mot Thuo Yeu Nguoi
type: MusicRecording
duration: PT4M32S
duration ms: 272901
explicit: false
by artist: Kỳ Anh
in album: The Best Of Chinese Melodies - Tiễn Nhau Lần Cuối
  type: MusicAlbum
  date published: 1996-01-01
genre: v-pop
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0db5b71ea6e435669eae361a308e2351ef2d98038a76f88177d0190673b20ac9. Chain 2 (Bitcoin): anchored in block 960379 (2026-07-31T09:25:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM9SX2001122.
  date published: 2026-07-31T09:25:34Z
audio: Mot Thuo Yeu Nguoi
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 128.932
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.624
  additional property: Energy
    type: PropertyValue
    value: 0.443
  additional property: Speechiness
    type: PropertyValue
    value: 0.028
  additional property: Acousticness
    type: PropertyValue
    value: 0.414
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.096
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.356
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.141
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: QM9SX2001122
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960379
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T09:25:34+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM9SX2001122
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960379
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960379
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T09:25:34+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.121

Valence (Positivity)
type: PropertyValue
value: 0.535

Loudness (dB)
type: PropertyValue
value: -13.398

Key Name
type: PropertyValue
value: B

Mode Name
type: PropertyValue
value: Minor

Xin Trả Nợ Người
type: MusicAlbum
date published: 1996-06-25

Trở Về Cát Bụi
type: MusicAlbum
date published: 1996-06-25

Trái tim tuyệt vọng
type: MusicAlbum
date published: 1997-01-01

Về miền đất lạnh
type: MusicAlbum
date published: 1997-02-04

Kỳ Anh - Cơn mê dài
type: MusicAlbum
date published: 1998-01-01

Từ ngày tình bỏ ra đi
type: MusicAlbum
date published: 2000-01-01