flechazowu
type: MusicGroup
popularity: 8
followers: 1515
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x86861902c869ecc52dea1262f2fca070b8c337de590f4234d30685727c73ae3b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954689
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954689
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/e2aa47ff-dbca-46ee-a8ca-686e15baed02.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/e2aa47ff-dbca-46ee-a8ca-686e15baed02.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/e2aa47ff-dbca-46ee-a8ca-686e15baed02
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T10:35:31Z
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 0x86861902c869ecc52dea1262f2fca070b8c337de590f4234d30685727c73ae3b. Chain 2 (Bitcoin): anchored in block 954689 (2026-06-21T10:35:31Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e2aa47ff-dbca-46ee-a8ca-686e15baed02.json and https://artists.proofprofile.net/proofs/artist/e2aa47ff-dbca-46ee-a8ca-686e15baed02.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T10:35:31Z
album: Lời Nói Điêu Trên Môi Em (Slowed)
  type: MusicAlbum
  date published: 2021-09-01
album: Gõ Cửa Trái Tim (Slowed)
  type: MusicAlbum
  date published: 2021-11-29
album: Tình Như Cái Bình Bể (Slowed)
  type: MusicAlbum
  date published: 2021-11-30
album: Sầu Tím Thiệp Hồng (Slowed)
  type: MusicAlbum
  date published: 2021-12-01
album: Dễ Đến Dễ Đi (Slowed)
  type: MusicAlbum
  date published: 2021-12-10
album: Đừng Khóc Một Mình (Slowed)
  type: MusicAlbum
  date published: 2021-12-13
  track: Đừng Khóc Một Mình (Slowed)
    type: MusicRecording
    duration: PT4M33S
    duration ms: 273580
    explicit: false
    by artist: flechazowu
    in album: Đừng Khóc Một Mình (Slowed)
      type: MusicAlbum
      date published: 2021-12-13
    isrc code: VNA0F2105757
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-13T17:19:44+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xf9bedcd1bde014f2801170236ab025694fa386f17c6c5c7df797fbb3f394de50
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 957891
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/957891
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0F2105757
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-13T18:21:04Z
    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 0xf9bedcd1bde014f2801170236ab025694fa386f17c6c5c7df797fbb3f394de50. Chain 2 (Bitcoin): anchored in block 957891 (2026-07-13T18:21:04Z), 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/VNA0F2105757.
      date published: 2026-07-13T18:21:04Z
    audio: Đừng Khóc Một Mình (Slowed)
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 92.721
      additional property: Musical Key
        type: PropertyValue
        value: 7
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.257
      additional property: Energy
        type: PropertyValue
        value: 0.632
      additional property: Speechiness
        type: PropertyValue
        value: 0.033
      additional property: Acousticness
        type: PropertyValue
        value: 0.848
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.106
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.231
      additional property: Loudness (dB)
        type: PropertyValue
        value: -6.222
      additional property: Key Name
        type: PropertyValue
        value: G
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Dễ Đến Dễ Đi (Slowed)
  type: MusicAlbum
  date published: 2021-12-13
album: Thì Thôi (Slowed)
  type: MusicAlbum
  date published: 2021-12-14
album: Thì Thôi (Slowed)
  type: MusicAlbum
  date published: 2021-12-20
album: Thì Thôi (Slowed)
  type: MusicAlbum
  date published: 2021-12-21
album: Cảm Ơn Em Đã Đến (Slowed)
  type: MusicAlbum
  date published: 2022-01-11
  track: Cảm Ơn Em Đã Đến (Slowed)
    type: MusicRecording
    duration: PT5M2S
    duration ms: 302262
    explicit: false
    by artist: flechazowu
    in album: Cảm Ơn Em Đã Đến (Slowed)
      type: MusicAlbum
      date published: 2022-01-11
    isrc code: VNA0F2107053
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-21T15:12:21+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xb3aa994740e391960337b8a64741d7eca42d24be241f711f5c237cc8a3a826dd
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 959024
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/959024
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA0F2107053
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-21T15:31:18Z
    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 0xb3aa994740e391960337b8a64741d7eca42d24be241f711f5c237cc8a3a826dd. Chain 2 (Bitcoin): anchored in block 959024 (2026-07-21T15:31:18Z), 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/VNA0F2107053.
      date published: 2026-07-21T15:31:18Z
    audio: Cảm Ơn Em Đã Đến (Slowed)
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 79.193
      additional property: Musical Key
        type: PropertyValue
        value: 9
      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: Ngày Xuân Long Phụng Sum Vầy (Slowed)
album: Nụ Hồng Mong Manh (Slowed)
album: Khi Nào (Slowed)
album: cưa là đổ (slowed)

Time Signature
type: PropertyValue
value: 4

Danceability
type: PropertyValue
value: 0.645

Energy
type: PropertyValue
value: 0.232

Speechiness
type: PropertyValue
value: 0.039

Acousticness
type: PropertyValue
value: 0.612

Instrumentalness
type: PropertyValue
value: 0.519

Liveness
type: PropertyValue
value: 0.574

Valence (Positivity)
type: PropertyValue
value: 0.202

Loudness (dB)
type: PropertyValue
value: -17.418

Key Name
type: PropertyValue
value: A

Mode Name
type: PropertyValue
value: Major

Ngày Xuân Long Phụng Sum Vầy (Slowed)
type: MusicAlbum
date published: 2022-02-07

Nụ Hồng Mong Manh (Slowed)
type: MusicAlbum
date published: 2022-03-31

Khi Nào (Slowed)
type: MusicAlbum
date published: 2022-04-07

cưa là đổ (slowed)
type: MusicAlbum
date published: 2022-04-21