XYZI
type: MusicGroup
genre: hyperpop
popularity: 19
followers: 5998
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xee1e99970145c454e3f1746161d779ca8603ef8fe54f0c3f1964882ab78f962b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953713
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953713
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/839dc59e-d6fc-44d9-b166-9c52ed47a407.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/839dc59e-d6fc-44d9-b166-9c52ed47a407.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/839dc59e-d6fc-44d9-b166-9c52ed47a407
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T00:33:41Z
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 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 0xee1e99970145c454e3f1746161d779ca8603ef8fe54f0c3f1964882ab78f962b. Chain 2 (Bitcoin): anchored in block 953713 (2026-06-15T00:33:41Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/839dc59e-d6fc-44d9-b166-9c52ed47a407.json and https://artists.proofprofile.net/proofs/artist/839dc59e-d6fc-44d9-b166-9c52ed47a407.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-15T00:33:41Z
album: Танцы на костях
album: Дом на колёсах
  type: MusicAlbum
  date published: 2020-01-28
album: Я не один
  type: MusicAlbum
  date published: 2020-08-31
album: Smith & Wesson
  type: MusicAlbum
  date published: 2020-10-01
album: Я тебя брошу
  type: MusicAlbum
  date published: 2020-10-06
album: Когда-то у меня был бед-трип
  type: MusicAlbum
  date published: 2020-11-18
album: Лубофь
  type: MusicAlbum
  date published: 2020-12-08
album: Аниме
  type: MusicAlbum
  date published: 2020-12-08
album: Девочка-конфетка
  type: MusicAlbum
  date published: 2020-12-08
album: Я иду сочиняя миры
  type: MusicAlbum
  date published: 2020-12-08
album: My Story
  type: MusicAlbum
  date published: 2021-01-06
album: Шанель
  type: MusicAlbum
  date published: 2021-01-08
album: 5469 0500 1390 4030
  type: MusicAlbum
  date published: 2021-03-07
album: ДИЛЕР
  type: MusicAlbum
  date published: 2021-03-12
album: Вайб
  type: MusicAlbum
  date published: 2021-03-22
album: Пай-мальчик
  type: MusicAlbum
  date published: 2021-03-29
album: минус 10к
  type: MusicAlbum
  date published: 2021-04-23
album: Нахуй твой офис
  type: MusicAlbum
  date published: 2021-05-11
album: Диана
  type: MusicAlbum
  date published: 2021-05-14
album: Азамат Айталиев
  type: MusicAlbum
  date published: 2021-05-23
album: алые пионы
  type: MusicAlbum
  date published: 2021-06-09
album: алые пионы (slow)
  type: MusicAlbum
  date published: 2021-06-09
album: Алые пионы
  type: MusicAlbum
  date published: 2021-06-11
album: Fake Love
  type: MusicAlbum
  date published: 2021-08-07
album: 220
  type: MusicAlbum
  date published: 2021-08-29
album: Папа говорил
  type: MusicAlbum
  date published: 2021-10-15
album: baby
  type: MusicAlbum
  date published: 2021-12-03
album: baby
  type: MusicAlbum
  date published: 2021-12-03
album: Меняйся
  type: MusicAlbum
  date published: 2021-12-10
album: Меняйся
  type: MusicAlbum
  date published: 2021-12-10
album: Санта Клаус
  type: MusicAlbum
  date published: 2021-12-10
album: Lila
  type: MusicAlbum
  date published: 2021-12-11
album: Lila
  type: MusicAlbum
  date published: 2021-12-11
album: Факаюсь
  type: MusicAlbum
  date published: 2022-01-08
album: Факаюсь
  type: MusicAlbum
  date published: 2022-01-08
album: ZXC
  type: MusicAlbum
  date published: 2022-01-24
album: ZXC (Faster)
  type: MusicAlbum
  date published: 2022-01-24
album: ZXC
  type: MusicAlbum
  date published: 2022-01-24
  track: ZXC
    type: MusicRecording
    duration: PT1M18S
    duration ms: 78552
    explicit: false
    by artist: XYZI
    in album: ZXC
      type: MusicAlbum
      date published: 2022-01-24
    genre: hyperpop
    isrc code: UKU932243280
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-03T17:01:19+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x9282f547651ce7505e4cf79cccc6b6e5a5d3f83531906e23d41aa36e7d305557
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956545
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956545
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UKU932243280
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-03T19:59:51Z
    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 0x9282f547651ce7505e4cf79cccc6b6e5a5d3f83531906e23d41aa36e7d305557. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UKU932243280 — a six-check JSON result.
      date published: 2026-07-03T19:59:51Z
    audio: ZXC
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 163.678
      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
      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: ZXC (faster)
album: Девочка 2д
album: Драконий край
album: С днем Валентина, зая
album: Bloodseeker
album: Echo Slam
album: Alchemist
album: ВЕДЬМА
album: Glaives (prod. by Sleepeqeed)
album: Blade Dance
album: Акаши
album: Как Аомине Дайки
album: Bash
album: jersey club
album: Heroinwater
album: бейби
album: Поэма о боли
album: Ухожу
album: Chainsaw Man
album: подонок
album: Nanana (prod by yngyuuuchi)
album: wh4re (prod. by Soft Clipper)
album: 120
album: Пауки
album: хеликоптер (prod. by PURE TEARS)
album: Пауки (для быстрой ходьбы)

Danceability
type: PropertyValue
value: 0.704

Energy
type: PropertyValue
value: 0.722

Speechiness
type: PropertyValue
value: 0.155

Acousticness
type: PropertyValue
value: 0.123

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.175

Valence (Positivity)
type: PropertyValue
value: 0.53

Loudness (dB)
type: PropertyValue
value: -6.61

Key Name
type: PropertyValue
value: Ab

Mode Name
type: PropertyValue
value: Major

ZXC (faster)
type: MusicAlbum
date published: 2022-01-26

Девочка 2д
type: MusicAlbum
date published: 2022-02-03

Девочка 2д
type: MusicAlbum
date published: 2022-02-03

Драконий край
type: MusicAlbum
date published: 2022-02-11

С днем Валентина, зая
type: MusicAlbum
date published: 2022-02-13

С днем Валентина, зая
type: MusicAlbum
date published: 2022-02-13

Bloodseeker
type: MusicAlbum
date published: 2022-03-04

Bloodseeker
type: MusicAlbum
date published: 2022-03-04

Echo Slam
type: MusicAlbum
date published: 2022-03-25

Echo Slam
type: MusicAlbum
date published: 2022-03-25

Alchemist
type: MusicAlbum
date published: 2022-04-27

ВЕДЬМА
type: MusicAlbum
date published: 2022-05-13

Glaives (prod. by Sleepeqeed)
type: MusicAlbum
date published: 2022-06-01

Blade Dance
type: MusicAlbum
date published: 2022-06-28
track: Синие волосы (Prod. by DollategaBeatz)
  type: MusicRecording
  duration: PT1M32S
  duration ms: 92365
  explicit: false
  by artist: XYZI
  in album: Blade Dance
    type: MusicAlbum
    date published: 2022-06-28
  genre: hyperpop
  isrc code: SMRUS0072348
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-16T18:21:49+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x00902bc59707138adc55a0d8229cf50ee2eb4f3c9486ffe7274053e50b923ee2
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958316
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958316
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SMRUS0072348
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-16T19:42:29Z
  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 0x00902bc59707138adc55a0d8229cf50ee2eb4f3c9486ffe7274053e50b923ee2. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T19:42:29Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SMRUS0072348 — a six-check JSON result.
    date published: 2026-07-16T19:42:29Z
  audio: Синие волосы (Prod. by DollategaBeatz)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 102.676
    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: 0.776
    additional property: Energy
      type: PropertyValue
      value: 0.855
    additional property: Speechiness
      type: PropertyValue
      value: 0.083
    additional property: Acousticness
      type: PropertyValue
      value: 0.004
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.568
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.558
    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.947
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Акаши
type: MusicAlbum
date published: 2022-07-18
track: Акаши
  type: MusicRecording
  duration: PT2M25S
  duration ms: 145137
  explicit: true
  by artist: XYZI
  in album: Акаши
    type: MusicAlbum
    date published: 2022-07-18
  genre: hyperpop
  isrc code: SMRUS0072593
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-29T14:36:07+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xbeb4c59aebfbec023d425912202c089cb65e6d3028386b915dbe7eaf625d5172
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956375
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956375
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SMRUS0072593
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T16:51:38Z
  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 0xbeb4c59aebfbec023d425912202c089cb65e6d3028386b915dbe7eaf625d5172. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SMRUS0072593 — a six-check JSON result.
    date published: 2026-07-02T16:51:38Z
  audio: Акаши
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 99.934
    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: 0.688
    additional property: Energy
      type: PropertyValue
      value: 0.844
    additional property: Speechiness
      type: PropertyValue
      value: 0.087
    additional property: Acousticness
      type: PropertyValue
      value: 0.07
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.185
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.397
    additional property: Loudness (dB)
      type: PropertyValue
      value: -2.44
    additional property: Key Name
      type: PropertyValue
      value: Bb
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Как Аомине Дайки
type: MusicAlbum
date published: 2022-08-03

Bash
type: MusicAlbum
date published: 2022-08-16

jersey club
type: MusicAlbum
date published: 2022-09-09

Heroinwater
type: MusicAlbum
date published: 2022-09-11

бейби
type: MusicAlbum
date published: 2022-09-26

Поэма о боли
type: MusicAlbum
date published: 2022-10-19
track: Поэма о боли
  type: MusicRecording
  duration: PT2M4S
  duration ms: 124620
  explicit: false
  by artist: XYZI
  in album: Поэма о боли
    type: MusicAlbum
    date published: 2022-10-19
  genre: hyperpop
  isrc code: SMRUS0073428
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T09:19:52+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x74c6d68631bb9bb06aacc64228b54f74d89b1cca2352b6dfc5df4ec78375f830
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956772
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956772
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SMRUS0073428
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T10:01:46Z
  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 0x74c6d68631bb9bb06aacc64228b54f74d89b1cca2352b6dfc5df4ec78375f830. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SMRUS0073428 — a six-check JSON result.
    date published: 2026-07-05T10:01:46Z
  audio: Поэма о боли
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 186.822
    additional property: Musical Key
      type: PropertyValue
      value: 3
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.556
    additional property: Energy
      type: PropertyValue
      value: 0.865
    additional property: Speechiness
      type: PropertyValue
      value: 0.22
    additional property: Acousticness
      type: PropertyValue
      value: 0.069
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.225
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.57
    additional property: Loudness (dB)
      type: PropertyValue
      value: -1.768
    additional property: Key Name
      type: PropertyValue
      value: Eb
    additional property: Mode Name
      type: PropertyValue
      value: Major

Ухожу
type: MusicAlbum
date published: 2022-11-16
track: Ухожу (nightcore)
  type: MusicRecording
  duration: PT1M51S
  duration ms: 111399
  explicit: true
  by artist: XYZI
  in album: Ухожу
    type: MusicAlbum
    date published: 2022-11-16
  genre: hyperpop
  isrc code: SMRUS0073655
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-21T15:53:40+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x114c805421ef85e84eb2e8fa52010ac70e16632b82038dee3ca063b6244c55b4
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 959031
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/959031
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SMRUS0073655
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-21T16:15:11Z
  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
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    date published: 2026-07-21T16:15:11Z
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