Srdjan Marinkovic
type: MusicGroup
popularity: 12
followers: 110
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5daef51bb9119794adc7b2953ba4795089b053e6302581703b4073833d915366
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953770
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953770
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ae7eb27a-f179-4109-a084-2d43ee87d374.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ae7eb27a-f179-4109-a084-2d43ee87d374.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/ae7eb27a-f179-4109-a084-2d43ee87d374
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T09:50:11Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x5daef51bb9119794adc7b2953ba4795089b053e6302581703b4073833d915366","name":"Srdjan Marinkovic","registered_at":"2026-06-14T22:48:12Z","symbol":"NIM0600838","token_address":"0x09ff6382dd01e88b7b6f92c9f59d8769905f7208","type":"artist","uuid":"ae7eb27a-f179-4109-a084-2d43ee87d374"}
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 0x5daef51bb9119794adc7b2953ba4795089b053e6302581703b4073833d915366. Chain 2 (Bitcoin): anchored in block 953778 (2026-06-15T11:57:35Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ae7eb27a-f179-4109-a084-2d43ee87d374.json and https://artists.proofprofile.net/proofs/artist/ae7eb27a-f179-4109-a084-2d43ee87d374.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T11:57:35Z
  text: {"copyright_id":"0x5daef51bb9119794adc7b2953ba4795089b053e6302581703b4073833d915366","name":"Srdjan Marinkovic","registered_at":"2026-06-14T22:48:12Z","symbol":"NIM0600838","token_address":"0x09ff6382dd01e88b7b6f92c9f59d8769905f7208","type":"artist","uuid":"ae7eb27a-f179-4109-a084-2d43ee87d374"}
album: Rising
  type: MusicAlbum
  date published: 2018-07-24
album: New Horizons
  type: MusicAlbum
  date published: 2018-08-23
album: Daydreaming
  type: MusicAlbum
  date published: 2018-08-31
album: Full Circle
  type: MusicAlbum
  date published: 2018-09-14
album: Lullaby
  type: MusicAlbum
  date published: 2018-09-27
album: Better World
  type: MusicAlbum
  date published: 2018-10-06
album: Forever Melancholy
  type: MusicAlbum
  date published: 2018-10-17
album: Penguin's Swimming
  type: MusicAlbum
  date published: 2018-10-28
album: Aurora
  type: MusicAlbum
  date published: 2018-11-18
album: Holidays
  type: MusicAlbum
  date published: 2018-12-04
album: View Beyond the Horizon
  type: MusicAlbum
  date published: 2018-12-26
album: Winter's Hymn
  type: MusicAlbum
  date published: 2019-01-14
album: Bigger Picture
  type: MusicAlbum
  date published: 2019-02-11
album: New Day Rising
  type: MusicAlbum
  date published: 2019-03-17
album: Reflection on the Water
  type: MusicAlbum
  date published: 2019-04-29
album: At the Bottom of the Sea
  type: MusicAlbum
  date published: 2019-08-20
album: Eternal Beauty
  type: MusicAlbum
  date published: 2020-01-02
album: Birdy Meeting
  type: MusicAlbum
  date published: 2020-06-25
album: The Other Side of Everything
  type: MusicAlbum
  date published: 2021-06-16
album: Start of the End
  type: MusicAlbum
  date published: 2021-12-22
  track: First Waltz
    type: MusicRecording
    duration: PT1M11S
    duration ms: 71249
    explicit: false
    by artist: Srdjan Marinkovic
    in album: Start of the End
      type: MusicAlbum
      date published: 2021-12-22
    isrc code: QZTAU2124270
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-12T13:44:10+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x5a9ea2cebf78eb34dcda05daffcbef6ab179e00f787d02719bd88d6ea2e8a05c
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 957709
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/957709
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTAU2124270
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-12T13:52:43Z
    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 0x5a9ea2cebf78eb34dcda05daffcbef6ab179e00f787d02719bd88d6ea2e8a05c. Chain 2 (Bitcoin): anchored in block 957709 (2026-07-12T13:52:43Z), 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/QZTAU2124270.
      date published: 2026-07-12T13:52:43Z
    audio: First Waltz
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 112.035
      additional property: Musical Key
        type: PropertyValue
        value: 9
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.484
      additional property: Energy
        type: PropertyValue
        value: 0.461
      additional property: Speechiness
        type: PropertyValue
        value: 0.052
      additional property: Acousticness
        type: PropertyValue
        value: 0.889
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.856
      additional property: Liveness
        type: PropertyValue
        value: 0.097
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.976
      additional property: Loudness (dB)
        type: PropertyValue
        value: -10.926
      additional property: Key Name
        type: PropertyValue
        value: A
      additional property: Mode Name
        type: PropertyValue
        value: Minor
  track: Careless Game
    type: MusicRecording
    duration: PT2M49S
    duration ms: 169391
    explicit: false
    by artist: Srdjan Marinkovic
    in album: Start of the End
      type: MusicAlbum
      date published: 2021-12-22
    isrc code: QZTAU2124271
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T08:55:20+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xec2307bb33fb621cd87331fd75ea063f150b20dbc3a94e4e0b3f51b3340abc51
    additional property: OTSHash
    additional property: OTSBitcoinBlock
    additional property: OTSBitcoinBlockVerifyURL
    additional property: OTSVerificationAPI
    additional property: OTSTimestamp
    additional property: OTSVerifyInstructions
    subject of: OpenTimestamps Proof of Existence
    audio: Careless Game
  track: Empathy for the People
  track: Summer Rain
album: Off the Record
album: Another Perfect Day
album: Broken Dreams
album: Future World
album: Final Days
album: Sublime Feelings
album: Fresh Air
album: Huge Wave
album: Things As They Are
album: Endless Sadness
album: Closing
album: Opening
album: End of Story
album: Black Swans
album: Start of the end

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 956776

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/956776

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTAU2124271

OTSTimestamp
type: PropertyValue
value: 2026-07-05T10:59:37Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec2307bb33fb621cd87331fd75ea063f150b20dbc3a94e4e0b3f51b3340abc51. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/QZTAU2124271.
date published: 2026-07-05T10:59:37Z

Careless Game
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 100.032
additional property: Musical Key
  type: PropertyValue
  value: 4
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.378
additional property: Energy
  type: PropertyValue
  value: 0.56
additional property: Speechiness
  type: PropertyValue
  value: 0.045
additional property: Acousticness
  type: PropertyValue
  value: 0.907
additional property: Instrumentalness
  type: PropertyValue
  value: 0.905
additional property: Liveness
  type: PropertyValue
  value: 0.341
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.629
additional property: Loudness (dB)
  type: PropertyValue
  value: -13.259
additional property: Key Name
  type: PropertyValue
  value: E
additional property: Mode Name
  type: PropertyValue
  value: Minor

Empathy for the People
type: MusicRecording
duration: PT2M27S
duration ms: 147065
explicit: false
by artist: Srdjan Marinkovic
in album: Start of the End
  type: MusicAlbum
  date published: 2021-12-22
isrc code: QZTAU2124272
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-21T05:13:43+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbe9abb2de8238a696d1789602186856fd39073eca05ce56876ba81ea146475f2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958977
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958977
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTAU2124272
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-21T06:27:23Z
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 0xbe9abb2de8238a696d1789602186856fd39073eca05ce56876ba81ea146475f2. Chain 2 (Bitcoin): anchored in block 958977 (2026-07-21T06:27:23Z), 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/QZTAU2124272.
  date published: 2026-07-21T06:27:23Z
audio: Empathy for the People
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 159.986
  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: 0.378
  additional property: Energy
    type: PropertyValue
    value: 0.672
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.896
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.926
  additional property: Liveness
    type: PropertyValue
    value: 0.301
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.337
  additional property: Loudness (dB)
    type: PropertyValue
    value: -13.031
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Summer Rain
type: MusicRecording
duration: PT3M5S
duration ms: 185622
explicit: false
by artist: Srdjan Marinkovic
in album: Start of the End
  type: MusicAlbum
  date published: 2021-12-22
isrc code: QZTAU2124274
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T13:09:08+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3703f0e7c3b440043e1140a51e51f54a8d855438cd28fe1ea15d5c9f79b92035
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956826
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956826
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTAU2124274
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-05T19:27:56Z
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 0x3703f0e7c3b440043e1140a51e51f54a8d855438cd28fe1ea15d5c9f79b92035. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/QZTAU2124274.
  date published: 2026-07-05T19:27:56Z
audio: Summer Rain
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 146.001
  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: 0.56
  additional property: Energy
    type: PropertyValue
    value: 0.434
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.898
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.959
  additional property: Liveness
    type: PropertyValue
    value: 0.331
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.511
  additional property: Loudness (dB)
    type: PropertyValue
    value: -13.417
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Off the Record
type: MusicAlbum
date published: 2022-02-25

Another Perfect Day
type: MusicAlbum
date published: 2022-04-11

Broken Dreams
type: MusicAlbum
date published: 2022-04-30

Future World
type: MusicAlbum
date published: 2022-05-24

Final Days
type: MusicAlbum
date published: 2022-09-05

Sublime Feelings
type: MusicAlbum
date published: 2023-01-23

Fresh Air
type: MusicAlbum
date published: 2023-04-18

Huge Wave
type: MusicAlbum
date published: 2023-05-13

Things As They Are
type: MusicAlbum
date published: 2023-06-22

Endless Sadness
type: MusicAlbum
date published: 2023-08-23

Closing
type: MusicAlbum
date published: 2024-03-29

Opening
type: MusicAlbum
date published: 2024-05-12

End of Story
type: MusicAlbum
date published: 2024-07-03

Black Swans
type: MusicAlbum
date published: 2024-10-27

Start of the end
type: MusicAlbum
date published: 2025-06-04