Kostas Chatzis
type: MusicGroup
genre: entehno
genre: laïko
popularity: 28
followers: 7293
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb912ddc552183d6f2c8cfafcf9c0bf945f19c5cbd31eb4e968388ee380323fc3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9ca5f7bd-b79c-4141-96d8-49b7e839fb81.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9ca5f7bd-b79c-4141-96d8-49b7e839fb81.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/9ca5f7bd-b79c-4141-96d8-49b7e839fb81
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xb912ddc552183d6f2c8cfafcf9c0bf945f19c5cbd31eb4e968388ee380323fc3","name":"Kostas Chatzis","registered_at":"2026-06-12T05:37:45Z","symbol":"NIM0202821","token_address":"0xaf4087bd83cc2ba6cb938150943a4a8a634d5d4f","type":"artist","uuid":"9ca5f7bd-b79c-4141-96d8-49b7e839fb81"}
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 0xb912ddc552183d6f2c8cfafcf9c0bf945f19c5cbd31eb4e968388ee380323fc3. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9ca5f7bd-b79c-4141-96d8-49b7e839fb81.json and https://artists.proofprofile.net/proofs/artist/9ca5f7bd-b79c-4141-96d8-49b7e839fb81.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T21:20:00Z
  text: {"copyright_id":"0xb912ddc552183d6f2c8cfafcf9c0bf945f19c5cbd31eb4e968388ee380323fc3","name":"Kostas Chatzis","registered_at":"2026-06-12T05:37:45Z","symbol":"NIM0202821","token_address":"0xaf4087bd83cc2ba6cb938150943a4a8a634d5d4f","type":"artist","uuid":"9ca5f7bd-b79c-4141-96d8-49b7e839fb81"}
album: O Kostas Chatzis Paizei Kai Tragouda Mazi Sas No. 1
  type: MusicAlbum
  date published: 1965
album: O Kostas Chatzis Paizei Kai Tragouda Mazi Sas No. 2
  type: MusicAlbum
  date published: 1966
album: Stis Geitonies Tou Kosmou
  type: MusicAlbum
  date published: 1969
  track: Leoforeio O Kosmos
    type: MusicRecording
    duration: PT2M18S
    duration ms: 138000
    explicit: false
    by artist: Kostas Chatzis
    in album: Stis Geitonies Tou Kosmou
      type: MusicAlbum
      date published: 1969
    genre: entehno
    genre: laïko
    isrc code: GRUM70602399
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T12:35:03+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x6b921e358a4243f77bdb0b464111ecb3220bf227e12f50677b6022aa265a1f56
    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/GRUM70602399
    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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b921e358a4243f77bdb0b464111ecb3220bf227e12f50677b6022aa265a1f56. 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/GRUM70602399.
      date published: 2026-07-05T18:48:28Z
    audio: Leoforeio O Kosmos
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 113.318
      additional property: Musical Key
        type: PropertyValue
        value: 2
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.57
      additional property: Energy
        type: PropertyValue
        value: 0.334
      additional property: Speechiness
        type: PropertyValue
        value: 0.312
      additional property: Acousticness
        type: PropertyValue
        value: 0.792
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.158
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.662
      additional property: Loudness (dB)
        type: PropertyValue
        value: -13.021
      additional property: Key Name
        type: PropertyValue
        value: D
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Petra Kai Fos
  type: MusicAlbum
  date published: 1972
album: Mia Vradia Me Ton Kosta Chatzi
  type: MusicAlbum
  date published: 1972
album: OUAI!
  type: MusicAlbum
  date published: 1973
album: OUAI!
  type: MusicAlbum
  date published: 1973
album: OUAI!
  type: MusicAlbum
  date published: 1973
album: O Gios Tis Anoixis
  type: MusicAlbum
  date published: 1974
album: 13 Tragoudia
  type: MusicAlbum
  date published: 1975
album: Dekatria Tragoudia
  type: MusicAlbum
  date published: 1975
  track: KI Ystera
    type: MusicRecording
    duration: PT1M54S
    duration ms: 114400
    explicit: false
    by artist: Kostas Chatzis
    in album: Dekatria Tragoudia
      type: MusicAlbum
      date published: 1975
    genre: entehno
    genre: laïko
    isrc code: GRUM70602384
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-04T16:52:46+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x184533dd76db0f3e42783699d577ab2c90ae49486431ceabbd55c72ad63da780
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956728
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956728
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GRUM70602384
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T01:43:49Z
    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 0x184533dd76db0f3e42783699d577ab2c90ae49486431ceabbd55c72ad63da780. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/GRUM70602384.
      date published: 2026-07-05T01:43:49Z
    audio: KI Ystera
album: Anthropina Systimata
album: Thymitheite Mazi Mou 18 Chronia Pt. 1
album: Thymitheite Mazi Mou 18 Chronia
album: Thymitheite Mazi Mou 18 Chronia Pt. 2
album: Ntaoulierika
album: O Kostas Chatzis Ston Orfea
album: Se 4/4
album: Kostas Chatzis
album: 30 Chronia Kostas Chatzis
album: 30 Chronia Kostas Chatzis No.2
album: 30 Chronia Kostas Chatizs No.2
album: Ta Erotika
album: O Kostas Chatzis Tragouda Kosta Chatzi
album: Rom Agapi Mou
album: Afieroma
album: O Kostas Chatzis Tragouda Theodoraki, Hadjidaki, Markopoulo
album: O Kostas Chatzis Tragouda Miki Theodoraki
album: Ta Prota Mou Tragoudia / 1966-1971
album: Tragoudia Gia Filous
album: To Recital Mias Zois
album: Ta Vradia Pou Oneirevontai Oi Tsigganoi
album: Kostas Hatzis - Greatest Hits (Tragoudia Epityhies)
album: Vrethikame Kai Tragoudisame

KI Ystera
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 78.819
additional property: Musical Key
  type: PropertyValue
  value: 2
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 1
additional property: Danceability
  type: PropertyValue
  value: 0.541
additional property: Energy
  type: PropertyValue
  value: 0.251
additional property: Speechiness
  type: PropertyValue
  value: 0.055
additional property: Acousticness
  type: PropertyValue
  value: 0.901
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.11
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.545
additional property: Loudness (dB)
  type: PropertyValue
  value: -13.678
additional property: Key Name
  type: PropertyValue
  value: D
additional property: Mode Name
  type: PropertyValue
  value: Major

Anthropina Systimata
type: MusicAlbum
date published: 1977
track: Synora I Agapi De Gnorizei
  type: MusicRecording
  duration: PT2M5S
  duration ms: 125266
  explicit: false
  by artist: Kostas Chatzis
  in album: Anthropina Systimata
    type: MusicAlbum
    date published: 1977
  genre: entehno
  genre: laïko
  isrc code: GRUM70602699
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-02T21:52:32+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x8a4240df5c6782031686b55041914482860925941b3fe0a04a023fc0fd4f49f6
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956422
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956422
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GRUM70602699
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-03T01:01:38Z
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a4240df5c6782031686b55041914482860925941b3fe0a04a023fc0fd4f49f6. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GRUM70602699.
    date published: 2026-07-03T01:01:38Z
  audio: Synora I Agapi De Gnorizei
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 83.165
    additional property: Musical Key
      type: PropertyValue
      value: 9
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.432
    additional property: Energy
      type: PropertyValue
      value: 0.278
    additional property: Speechiness
      type: PropertyValue
      value: 0.064
    additional property: Acousticness
      type: PropertyValue
      value: 0.93
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.007
    additional property: Liveness
      type: PropertyValue
      value: 0.119
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.25
    additional property: Loudness (dB)
      type: PropertyValue
      value: -17.29
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Anthropina Systimata
type: MusicAlbum
date published: 1977

Thymitheite Mazi Mou 18 Chronia Pt. 1
type: MusicAlbum
date published: 1979

Thymitheite Mazi Mou 18 Chronia
type: MusicAlbum
date published: 1979

Thymitheite Mazi Mou 18 Chronia Pt. 2
type: MusicAlbum
date published: 1979

Ntaoulierika
type: MusicAlbum
date published: 1982

Ntaoulierika
type: MusicAlbum
date published: 1982

O Kostas Chatzis Ston Orfea
type: MusicAlbum
date published: 1984

O Kostas Chatzis Ston Orfea
type: MusicAlbum
date published: 1984

O Kostas Chatzis Ston Orfea
type: MusicAlbum
date published: 1984

Se 4/4
type: MusicAlbum
date published: 1990

Kostas Chatzis
type: MusicAlbum
date published: 1992-01-01

30 Chronia Kostas Chatzis
type: MusicAlbum
date published: 1994
track: De Variesai Aderfe
  type: MusicRecording
  duration: PT4M55S
  duration ms: 295106
  explicit: false
  by artist: Kostas Chatzis
  in album: 30 Chronia Kostas Chatzis
    type: MusicAlbum
    date published: 1994
  genre: entehno
  genre: laïko
  isrc code: GRUM70602421
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T16:16:48+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x4d6b0a26b732571e36ab7bcec1888d081e1c62fc5a2edc033932887aa48c3c9d
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956728
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956728
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GRUM70602421
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T01:43:49Z
  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 0x4d6b0a26b732571e36ab7bcec1888d081e1c62fc5a2edc033932887aa48c3c9d. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/GRUM70602421.
    date published: 2026-07-05T01:43:49Z
  audio: De Variesai Aderfe
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 144.249
    additional property: Musical Key
      type: PropertyValue
      value: 4
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.514
    additional property: Energy
      type: PropertyValue
      value: 0.504
    additional property: Speechiness
      type: PropertyValue
      value: 0.036
    additional property: Acousticness
      type: PropertyValue
      value: 0.689
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.002
    additional property: Liveness
      type: PropertyValue
      value: 0.476
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.965
    additional property: Loudness (dB)
      type: PropertyValue
      value: -15.723
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: O Stratis
  type: MusicRecording
  duration: PT5M21S
  duration ms: 321306
  explicit: false
  by artist: Kostas Chatzis
  in album: 30 Chronia Kostas Chatzis
    type: MusicAlbum
    date published: 1994
  genre: entehno
  genre: laïko
  isrc code: GRUM70602636
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T00:07:02+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xc0e9155dca390c14f014cb6555d516426c8b66e8c8c17927f3d2d563698fe87c
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956634
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956634
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GRUM70602636
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-04T10:04:33Z
  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 0xc0e9155dca390c14f014cb6555d516426c8b66e8c8c17927f3d2d563698fe87c. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/GRUM70602636.
    date published: 2026-07-04T10:04:33Z
  audio: O Stratis
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 128.877
    additional property: Musical Key
      type: PropertyValue
      value: 4
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.389
    additional property: Energy
      type: PropertyValue
      value: 0.411
    additional property: Speechiness
      type: PropertyValue
      value: 0.032
    additional property: Acousticness
      type: PropertyValue
      value: 0.701
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.015
    additional property: Liveness
      type: PropertyValue
      value: 0.174
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.499
    additional property: Loudness (dB)
      type: PropertyValue
      value: -13.874
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Spoudaioi Anthropoi Alla
  type: MusicRecording
  duration: PT1M5S
  duration ms: 65133
  explicit: false
  by artist: Kostas Chatzis
  in album: 30 Chronia Kostas Chatzis
    type: MusicAlbum
    date published: 1994
  genre: entehno
  genre: laïko
  isrc code: GRUM70602649
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-29T06:22:14+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x6d6882984732606d0508a961cf309ec1c9a61763e4625ccc26744c6c4988af07
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956375
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
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  subject of: OpenTimestamps Proof of Existence
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track: Pare Ena Kochyli Ap' To Aigaio
track: Den Eimai Ego

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OTSVerifyInstructions
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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
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date published: 2026-07-02T16:51:38Z

Spoudaioi Anthropoi Alla
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Pare Ena Kochyli Ap' To Aigaio
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01fe93170f587bab15e5b0904b0724c41c117495d6cb02c8b72eae6a44895864. Chain 2 (Bitcoin): anchored in block 958943 (2026-07-21T00:27:37Z), 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/GRUN10500227.
  date published: 2026-07-21T00:27:37Z
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Den Eimai Ego
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genre: entehno
genre: laïko
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additional property: CopyrightStatus
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x645afa32524f8fb6d74b2838cdbf1e3e876f5cfd3e49efaa75e961abdb2f29e7. 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/GRUM70602656.
  date published: 2026-07-05T19:27:56Z
audio: Den Eimai Ego
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30 Chronia Kostas Chatzis
type: MusicAlbum
date published: 1994

30 Chronia Kostas Chatzis No.2
type: MusicAlbum
date published: 1995

30 Chronia Kostas Chatizs No.2
type: MusicAlbum
date published: 1995

30 Chronia Kostas Chatzis No.2
type: MusicAlbum
date published: 1995

Ta Erotika
type: MusicAlbum
date published: 1996

Ta Erotika
type: MusicAlbum
date published: 1996

O Kostas Chatzis Tragouda Kosta Chatzi
type: MusicAlbum
date published: 2006

Rom Agapi Mou
type: MusicAlbum
date published: 2006

Afieroma
type: MusicAlbum
date published: 2006

Rom Agapi Mou
type: MusicAlbum
date published: 2006

O Kostas Chatzis Tragouda Theodoraki, Hadjidaki, Markopoulo
type: MusicAlbum
date published: 2006

O Kostas Chatzis Tragouda Miki Theodoraki
type: MusicAlbum
date published: 2006

Anthropina Systimata
type: MusicAlbum
date published: 2006

Ta Prota Mou Tragoudia / 1966-1971
type: MusicAlbum
date published: 2006

Tragoudia Gia Filous
type: MusicAlbum
date published: 2006

O Kostas Chatzis Tragouda Kosta Chatzi
type: MusicAlbum
date published: 2006

Afieroma
type: MusicAlbum
date published: 2006

Tragoudia Gia Filous
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date published: 2006

O Kostas Chatzis Tragouda Miki Theodoraki
type: MusicAlbum
date published: 2006-11-03

To Recital Mias Zois
type: MusicAlbum
date published: 2007-01-01

To Recital Mias Zois
type: MusicAlbum
date published: 2007-09-21

Ta Vradia Pou Oneirevontai Oi Tsigganoi
type: MusicAlbum
date published: 2009-07-14

Kostas Hatzis - Greatest Hits (Tragoudia Epityhies)
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date published: 2020-03-12

Vrethikame Kai Tragoudisame
type: MusicAlbum
date published: 2024-02-12