Steve Hem
type: MusicGroup
popularity: 11
followers: 398
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x76859aec5db2b08e2b9ae9504b09d76984c329b8ce6b2799db117bb96b2f3ba2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953648
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953648
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/42abdb18-224a-4347-aad2-98a0c8b590a5.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/42abdb18-224a-4347-aad2-98a0c8b590a5.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/42abdb18-224a-4347-aad2-98a0c8b590a5
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T15:20:52Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x76859aec5db2b08e2b9ae9504b09d76984c329b8ce6b2799db117bb96b2f3ba2","name":"Steve Hem","registered_at":"2026-06-14T11:32:22Z","symbol":"NIM0439630","token_address":"0x764637b6872e02ee83f8de2464311fd37bf904fd","type":"artist","uuid":"42abdb18-224a-4347-aad2-98a0c8b590a5"}
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 0x76859aec5db2b08e2b9ae9504b09d76984c329b8ce6b2799db117bb96b2f3ba2. Chain 2 (Bitcoin): anchored in block 953648 (2026-06-14T15:20:52Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/42abdb18-224a-4347-aad2-98a0c8b590a5.json and https://artists.proofprofile.net/proofs/artist/42abdb18-224a-4347-aad2-98a0c8b590a5.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T15:20:52Z
  text: {"copyright_id":"0x76859aec5db2b08e2b9ae9504b09d76984c329b8ce6b2799db117bb96b2f3ba2","name":"Steve Hem","registered_at":"2026-06-14T11:32:22Z","symbol":"NIM0439630","token_address":"0x764637b6872e02ee83f8de2464311fd37bf904fd","type":"artist","uuid":"42abdb18-224a-4347-aad2-98a0c8b590a5"}
album: Come un kalashnikov
  type: MusicAlbum
  date published: 2013-11-20
album: Lux
  type: MusicAlbum
  date published: 2018-04-15
album: Xul
  type: MusicAlbum
  date published: 2018-12-09
album: My Dark Side on a Blue Dream
  type: MusicAlbum
  date published: 2019-11-15
album: Incanta
  type: MusicAlbum
  date published: 2021-09-17
album: Via Garibaldi
  type: MusicAlbum
  date published: 2021-10-08
album: Corso alle 3
  type: MusicAlbum
  date published: 2021-11-12
album: Via de Benci
  type: MusicAlbum
  date published: 2022-11-12
  track: Via de Benci
    type: MusicRecording
    duration: PT4M40S
    duration ms: 280320
    explicit: true
    by artist: Steve Hem
    in album: Via de Benci
      type: MusicAlbum
      date published: 2022-11-12
    isrc code: TCAGP2215125
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-17T13:29:52+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x2f7aaa76b6fa708f508ecfb246a6189861478a311b7760b1f2ec38419b3b6057
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958422
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958422
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAGP2215125
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T13:35:31Z
    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 0x2f7aaa76b6fa708f508ecfb246a6189861478a311b7760b1f2ec38419b3b6057. Chain 2 (Bitcoin): anchored in block 958422 (2026-07-17T13:35:31Z), 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/TCAGP2215125.
      date published: 2026-07-17T13:35:31Z
    audio: Via de Benci
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 125.037
      additional property: Musical Key
        type: PropertyValue
        value: 5
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.781
      additional property: Energy
        type: PropertyValue
        value: 0.443
      additional property: Speechiness
        type: PropertyValue
        value: 0.125
      additional property: Acousticness
        type: PropertyValue
        value: 0.129
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.118
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.43
      additional property: Loudness (dB)
        type: PropertyValue
        value: -9.467
      additional property: Key Name
        type: PropertyValue
        value: F
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Sola
  type: MusicAlbum
  date published: 2023-02-17
album: Le Spiagge
  type: MusicAlbum
  date published: 2023-07-17
  track: Calamosca
    type: MusicRecording
    duration: PT3M6S
    duration ms: 186763
    explicit: true
    by artist: Steve Hem
    in album: Le Spiagge
      type: MusicAlbum
      date published: 2023-07-17
    isrc code: QZNWS2369892
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T18:49:18+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x9c91cfaea9ff809594a652063d0fe852a0fa25f25b21a8fe0f5689d147476877
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956841
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956841
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNWS2369892
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T22:14:35Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c91cfaea9ff809594a652063d0fe852a0fa25f25b21a8fe0f5689d147476877. Chain 2 (Bitcoin): anchored in block 956841 (2026-07-05T22:14:35Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNWS2369892.
      date published: 2026-07-05T22:14:35Z
    audio: Calamosca
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 199.984
      additional property: Musical Key
        type: PropertyValue
        value: 1
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
      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: Si Trasformò
album: Origami
album: Agosto
album: Carlo Felice
album: Viale Europa
track: Mari Pintau

Mari Pintau
type: MusicRecording
duration: PT3M9S
duration ms: 189689
explicit: false
by artist: Cool Caddish
by artist: Steve Hem
in album: ERO SOTTO IL BOUGANVILLE
  type: MusicAlbum
  date published: 2022-06-10
isrc code: QZK6N2233721
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T12:22:31+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4322f9d36157250ffdde7adb8cdddf20e635d691da9db17ecaf1ab0404b3ff48
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6N2233721
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 956304
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-02T03:55:08+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4322f9d36157250ffdde7adb8cdddf20e635d691da9db17ecaf1ab0404b3ff48. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6N2233721.
  date published: 2026-07-02T11:34:59Z
audio: Mari Pintau
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 148.588
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.874
  additional property: Energy
    type: PropertyValue
    value: 0.528
  additional property: Speechiness
    type: PropertyValue
    value: 0.111
  additional property: Acousticness
    type: PropertyValue
    value: 0.297
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.114
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.551
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.285
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Time Signature
type: PropertyValue
value: 4

Danceability
type: PropertyValue
value: 0.519

Energy
type: PropertyValue
value: 0.66

Speechiness
type: PropertyValue
value: 0.371

Acousticness
type: PropertyValue
value: 0.312

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.082

Valence (Positivity)
type: PropertyValue
value: 0.364

Loudness (dB)
type: PropertyValue
value: -8.168

Key Name
type: PropertyValue
value: C#

Mode Name
type: PropertyValue
value: Minor

Si Trasformò
type: MusicAlbum
date published: 2023-10-06

Origami
type: MusicAlbum
date published: 2024-02-03

Agosto
type: MusicAlbum
date published: 2025-08-14

Carlo Felice
type: MusicAlbum
date published: 2025-08-24

Viale Europa
type: MusicAlbum
date published: 2025-09-24