Семинар
type: MusicGroup
genre: math rock
genre: midwest emo
popularity: 8
followers: 1728
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc967084d57e948b38e4ce148a019154c517ce5ceea2011534524bbaada2bf4c9
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/6412b626-f342-4171-b671-467b49980471.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/6412b626-f342-4171-b671-467b49980471.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/6412b626-f342-4171-b671-467b49980471
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:11:48Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xc967084d57e948b38e4ce148a019154c517ce5ceea2011534524bbaada2bf4c9","name":"Семинар","registered_at":"2026-06-17T00:30:29Z","symbol":"NIM1224321","token_address":"0xaf22e52ed8b9ee869d144acde73ccfc16a9288b4","type":"artist","uuid":"6412b626-f342-4171-b671-467b49980471"}
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 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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc967084d57e948b38e4ce148a019154c517ce5ceea2011534524bbaada2bf4c9. 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/6412b626-f342-4171-b671-467b49980471.json and https://artists.proofprofile.net/proofs/artist/6412b626-f342-4171-b671-467b49980471.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0xc967084d57e948b38e4ce148a019154c517ce5ceea2011534524bbaada2bf4c9","name":"Семинар","registered_at":"2026-06-17T00:30:29Z","symbol":"NIM1224321","token_address":"0xaf22e52ed8b9ee869d144acde73ccfc16a9288b4","type":"artist","uuid":"6412b626-f342-4171-b671-467b49980471"}
album: Одиночный пикет
  type: MusicAlbum
  date published: 2020-07-10
album: Да!
  type: MusicAlbum
  date published: 2020-07-17
  track: Одиночный пикет
    type: MusicRecording
    duration: PT4M13S
    duration ms: 253004
    explicit: true
    by artist: Семинар
    in album: Да!
      type: MusicAlbum
      date published: 2020-07-17
    genre: math rock
    genre: midwest emo
    isrc code: QM6P42045618
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T12:22:49+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x9fea6ae2a7cfc76a477920114a5f8fca25b05a35def190b3dc5591f190e353db
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956822
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956822
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM6P42045618
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T18:48:28Z
    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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9fea6ae2a7cfc76a477920114a5f8fca25b05a35def190b3dc5591f190e353db. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/QM6P42045618.
      date published: 2026-07-05T18:48:28Z
    audio: Одиночный пикет
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 96.019
      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: 0.553
      additional property: Energy
        type: PropertyValue
        value: 0.863
      additional property: Speechiness
        type: PropertyValue
        value: 0.042
      additional property: Acousticness
        type: PropertyValue
        value: 0.011
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.048
      additional property: Liveness
        type: PropertyValue
        value: 0.278
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.467
      additional property: Loudness (dB)
        type: PropertyValue
        value: -6.815
      additional property: Key Name
        type: PropertyValue
        value: G
      additional property: Mode Name
        type: PropertyValue
        value: Major
  track: Осталось ждать совсем немного
    type: MusicRecording
    duration: PT3M28S
    duration ms: 208427
    explicit: false
    by artist: Семинар
    in album: Да!
      type: MusicAlbum
      date published: 2020-07-17
    genre: math rock
    genre: midwest emo
    isrc code: QM6P42045621
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-18T07:41:41+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x06d28a1219dc6b2312047943dedc22e09ba543011bcfbc4ec0c0eab2a6e3d3cb
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958520
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958520
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM6P42045621
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-18T08:19:09Z
    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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06d28a1219dc6b2312047943dedc22e09ba543011bcfbc4ec0c0eab2a6e3d3cb. Chain 2 (Bitcoin): anchored in block 958520 (2026-07-18T08:19:09Z), 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/QM6P42045621.
      date published: 2026-07-18T08:19:09Z
    audio: Осталось ждать совсем немного
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 98.082
      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: 0.484
      additional property: Energy
        type: PropertyValue
        value: 0.982
      additional property: Speechiness
        type: PropertyValue
        value: 0.087
      additional property: Acousticness
        type: PropertyValue
        value: 0.004
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.126
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Никто из нас
album: Властелин
album: Бумеранг
album: Нет

Liveness
type: PropertyValue
value: 0.175

Valence (Positivity)
type: PropertyValue
value: 0.343

Loudness (dB)
type: PropertyValue
value: -5.286

Key Name
type: PropertyValue
value: C

Mode Name
type: PropertyValue
value: Major

Да!
type: MusicAlbum
date published: 2020-07-17

Никто из нас
type: MusicAlbum
date published: 2023-01-13

Властелин
type: MusicAlbum
date published: 2023-02-03

Бумеранг
type: MusicAlbum
date published: 2023-02-17

Нет
type: MusicAlbum
date published: 2023-03-03
track: Нет слов
  type: MusicRecording
  duration: PT1M30S
  duration ms: 90533
  explicit: false
  by artist: Семинар
  in album: Нет
    type: MusicAlbum
    date published: 2023-03-03
  genre: math rock
  genre: midwest emo
  isrc code: FR59R2393730
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T01:40:50+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe3373dea6067622f9af590e02414c708945968bcaaffd8e728edc26687c019f4
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956859
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956859
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR59R2393730
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-06T01:42:12Z
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3373dea6067622f9af590e02414c708945968bcaaffd8e728edc26687c019f4. Chain 2 (Bitcoin): anchored in block 956859 (2026-07-06T01:42:12Z), 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/FR59R2393730.
    date published: 2026-07-06T01:42:12Z
  audio: Нет слов
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 137.928
    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: 0.453
    additional property: Energy
      type: PropertyValue
      value: 0.981
    additional property: Speechiness
      type: PropertyValue
      value: 0.091
    additional property: Acousticness
      type: PropertyValue
      value: 0.005
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.005
    additional property: Liveness
      type: PropertyValue
      value: 0.091
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.476
    additional property: Loudness (dB)
      type: PropertyValue
      value: -3.768
    additional property: Key Name
      type: PropertyValue
      value: Ab
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Бумеранг
  type: MusicRecording
  duration: PT2M39S
  duration ms: 159597
  explicit: false
  by artist: Семинар
  in album: Нет
    type: MusicAlbum
    date published: 2023-03-03
  genre: math rock
  genre: midwest emo
  isrc code: FR59R2393731
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T22:36:23+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x7cc6368fd795866d24108b4b8bed672c28e4a259f6872b6fc54b1abee0dd8062
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956856
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956856
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR59R2393731
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-06T01:25:57Z
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7cc6368fd795866d24108b4b8bed672c28e4a259f6872b6fc54b1abee0dd8062. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/FR59R2393731.
    date published: 2026-07-06T01:25:57Z
  audio: Бумеранг
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 166.375
    additional property: Musical Key
      type: PropertyValue
      value: 1
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.206
    additional property: Energy
      type: PropertyValue
      value: 0.981
    additional property: Speechiness
      type: PropertyValue
      value: 0.181
    additional property: Acousticness
      type: PropertyValue
      value: 0.009
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.001
    additional property: Liveness
      type: PropertyValue
      value: 0.196
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.239
    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.551
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Minor