О! Марго
type: MusicGroup
popularity: 11
followers: 836
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9a44a04cdadb6eefff4d5d18198d8118b254cb88c0a7fb915bc2351fff1bc1ca
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953633
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953633
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/3363f1e9-2542-4cfb-b1b0-c5736ecc12a1.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/3363f1e9-2542-4cfb-b1b0-c5736ecc12a1.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/3363f1e9-2542-4cfb-b1b0-c5736ecc12a1
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T12:47:11Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x9a44a04cdadb6eefff4d5d18198d8118b254cb88c0a7fb915bc2351fff1bc1ca","name":"О! Марго","registered_at":"2026-06-14T09:49:28Z","symbol":"NIM0415085","token_address":"0xda69f76c4645eb550aab5a9339f3895387fb8b3b","type":"artist","uuid":"3363f1e9-2542-4cfb-b1b0-c5736ecc12a1"}
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 0x9a44a04cdadb6eefff4d5d18198d8118b254cb88c0a7fb915bc2351fff1bc1ca. Chain 2 (Bitcoin): anchored in block 953633 (2026-06-14T12:47:11Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3363f1e9-2542-4cfb-b1b0-c5736ecc12a1.json and https://artists.proofprofile.net/proofs/artist/3363f1e9-2542-4cfb-b1b0-c5736ecc12a1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T12:47:11Z
  text: {"copyright_id":"0x9a44a04cdadb6eefff4d5d18198d8118b254cb88c0a7fb915bc2351fff1bc1ca","name":"О! Марго","registered_at":"2026-06-14T09:49:28Z","symbol":"NIM0415085","token_address":"0xda69f76c4645eb550aab5a9339f3895387fb8b3b","type":"artist","uuid":"3363f1e9-2542-4cfb-b1b0-c5736ecc12a1"}
album: Плохие слова
  type: MusicAlbum
  date published: 2020-04-30
album: Плохие слова
  type: MusicAlbum
  date published: 2020-04-30
album: Джинсы старшего брата
  type: MusicAlbum
  date published: 2020-12-09
album: Джинсы старшего брата
  type: MusicAlbum
  date published: 2020-12-12
album: Квиты
  type: MusicAlbum
  date published: 2021-10-08
  track: Квиты
    type: MusicRecording
    duration: PT2M34S
    duration ms: 154153
    explicit: false
    by artist: О! Марго
    in album: Квиты
      type: MusicAlbum
      date published: 2021-10-08
    isrc code: RUACR2100021
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T19:12:51+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x3cae6876a07ece89550d298df1378c238355c41243ca80e1b7ca274243787691
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956841
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956841
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/RUACR2100021
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T22:14:35Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3cae6876a07ece89550d298df1378c238355c41243ca80e1b7ca274243787691. Chain 2 (Bitcoin): anchored in block 956841 (2026-07-05T22:14:35Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/RUACR2100021.
      date published: 2026-07-05T22:14:35Z
    audio: Квиты
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 129.96
      additional property: Musical Key
        type: PropertyValue
        value: 6
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.821
      additional property: Energy
        type: PropertyValue
        value: 0.552
      additional property: Speechiness
        type: PropertyValue
        value: 0.078
      additional property: Acousticness
        type: PropertyValue
        value: 0.667
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.28
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.828
      additional property: Loudness (dB)
        type: PropertyValue
        value: -6.502
      additional property: Key Name
        type: PropertyValue
        value: F#
      additional property: Mode Name
        type: PropertyValue
        value: Major
  track: Уголь - Cover Сансара
    type: MusicRecording
    duration: PT3M36S
    duration ms: 216153
    explicit: false
    by artist: О! Марго
    in album: Квиты
      type: MusicAlbum
      date published: 2021-10-08
    isrc code: RUACR2100029
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-03T16:06:01+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xe7e40aa6452b39865ce7fffc05fb179702ff08c9b2f21a42bf547e3fcfa74312
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956551
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956551
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/RUACR2100029
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-03T21:18:05Z
    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 0xe7e40aa6452b39865ce7fffc05fb179702ff08c9b2f21a42bf547e3fcfa74312. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/RUACR2100029.
      date published: 2026-07-03T21:18:05Z
    audio: Уголь - Cover Сансара
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 155.945
      additional property: Musical Key
        type: PropertyValue
        value: 0
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.728
      additional property: Energy
        type: PropertyValue
        value: 0.563
      additional property: Speechiness
        type: PropertyValue
        value: 0.066
      additional property: Acousticness
        type: PropertyValue
        value: 0.425
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Поезд №19-20
album: Цепочка
album: Эмокор
album: Балкон
album: И солнце и луна
album: Змей воздушный
album: Лучи
album: Откуда к нам пришла зима
album: Поговори
album: Цветные сны
track: Я вернулся в мой город, знакомый до слёз

Я вернулся в мой город, знакомый до слёз
type: MusicRecording
duration: PT3M1S
duration ms: 181028
explicit: false
by artist: О! Марго
by artist: Obe Dve
in album: Сохрани мою речь навсегда
  type: MusicAlbum
  date published: 2021-01-14
isrc code: DGA052070534
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T15:58:50+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd4f7ac398e2cd2f941f4ae93cb7f6ab605a034423823fbb7b34b81cd77607288
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956349
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956349
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DGA052070534
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:34:59Z
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
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: 956349
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-02T11:34:59+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4f7ac398e2cd2f941f4ae93cb7f6ab605a034423823fbb7b34b81cd77607288. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/DGA052070534.
  date published: 2026-07-02T11:34:59Z
audio: Я вернулся в мой город, знакомый до слёз
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 168.891
  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: 0.597
  additional property: Energy
    type: PropertyValue
    value: 0.582
  additional property: Speechiness
    type: PropertyValue
    value: 0.33
  additional property: Acousticness
    type: PropertyValue
    value: 0.389
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.106
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.187
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.6
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.069

Valence (Positivity)
type: PropertyValue
value: 0.78

Loudness (dB)
type: PropertyValue
value: -8.228

Key Name
type: PropertyValue
value: C

Mode Name
type: PropertyValue
value: Major

Поезд №19-20
type: MusicAlbum
date published: 2021-11-26
track: Машинист
  type: MusicRecording
  duration: PT3M5S
  duration ms: 185760
  explicit: false
  by artist: О! Марго
  in album: Поезд №19-20
    type: MusicAlbum
    date published: 2021-11-26
  isrc code: RUA582106926
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-16T18:12:46+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb82cfdb127b563e15594d62e79dfcb1a8a10b45f67b635ad6b013fdc924cbecb
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958319
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958319
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/RUA582106926
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-16T20:12:32Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb82cfdb127b563e15594d62e79dfcb1a8a10b45f67b635ad6b013fdc924cbecb. Chain 2 (Bitcoin): anchored in block 958319 (2026-07-16T20:12:32Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/RUA582106926.
    date published: 2026-07-16T20:12:32Z
  audio: Машинист
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 124.915
    additional property: Musical Key
      type: PropertyValue
      value: 10
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.784
    additional property: Energy
      type: PropertyValue
      value: 0.828
    additional property: Speechiness
      type: PropertyValue
      value: 0.047
    additional property: Acousticness
      type: PropertyValue
      value: 0.002
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.183
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.547
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.175
    additional property: Key Name
      type: PropertyValue
      value: Bb
    additional property: Mode Name
      type: PropertyValue
      value: Major

Цепочка
type: MusicAlbum
date published: 2023-04-14

Эмокор
type: MusicAlbum
date published: 2023-07-28

Балкон
type: MusicAlbum
date published: 2023-12-01

И солнце и луна
type: MusicAlbum
date published: 2024-04-12

Змей воздушный
type: MusicAlbum
date published: 2024-10-11

Лучи
type: MusicAlbum
date published: 2024-11-22

Откуда к нам пришла зима
type: MusicAlbum
date published: 2025-01-31

Поговори
type: MusicAlbum
date published: 2025-03-14

Цветные сны
type: MusicAlbum
date published: 2025-08-29