Massiimassio
type: MusicGroup
popularity: 18
followers: 1970
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xeba4b826dd425e936eda2482dc453e3a0908396e80af9dc7e5283a515914401c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953694
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953694
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/70a0d254-bbe3-4e96-a411-f70de684538d.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/70a0d254-bbe3-4e96-a411-f70de684538d.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/70a0d254-bbe3-4e96-a411-f70de684538d
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T21:38:09Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeba4b826dd425e936eda2482dc453e3a0908396e80af9dc7e5283a515914401c. Chain 2 (Bitcoin): anchored in block 953699 (2026-06-14T22:00:24Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/70a0d254-bbe3-4e96-a411-f70de684538d.json and https://artists.proofprofile.net/proofs/artist/70a0d254-bbe3-4e96-a411-f70de684538d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T22:00:24Z
album: idontwannaloveyou
  type: MusicAlbum
  date published: 2018-10-31
album: fuckyoucharliebrown
  type: MusicAlbum
  date published: 2018-11-06
album: Blood Is Thicker Than Water
  type: MusicAlbum
  date published: 2019-05-10
album: Kill Em
  type: MusicAlbum
  date published: 2019-05-13
album: In The Name of Distortion
  type: MusicAlbum
  date published: 2019-09-19
album: In The Name of Distortion
  type: MusicAlbum
  date published: 2019-09-19
album: The White Man
  type: MusicAlbum
  date published: 2020-02-10
album: what is the cure to a broken heart?
  type: MusicAlbum
  date published: 2020-02-14
album: A Lullaby For Your Heart
  type: MusicAlbum
  date published: 2020-02-14
album: A Lullaby For Your Heart
  type: MusicAlbum
  date published: 2020-02-14
  track: A Lullaby For Your Heart
    type: MusicRecording
    duration: PT3M33S
    duration ms: 213272
    explicit: false
    by artist: Massiimassio
    in album: A Lullaby For Your Heart
      type: MusicAlbum
      date published: 2020-02-14
    isrc code: QZJG52066564
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-19T16:18:52+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xf38996847a7423869c1c6eda8c562f2941ec04c03babad5fe0c5508f479a6eed
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958761
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958761
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZJG52066564
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-19T17:49:48Z
    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 0xf38996847a7423869c1c6eda8c562f2941ec04c03babad5fe0c5508f479a6eed. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T17:49:48Z), 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/QZJG52066564.
      date published: 2026-07-19T17:49:48Z
    audio: A Lullaby For Your Heart
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 144.133
      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: 0.641
      additional property: Energy
        type: PropertyValue
        value: 0.3
      additional property: Speechiness
        type: PropertyValue
        value: 0.037
      additional property: Acousticness
        type: PropertyValue
        value: 0.924
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.106
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.23
      additional property: Loudness (dB)
        type: PropertyValue
        value: -7.547
      additional property: Key Name
        type: PropertyValue
        value: Ab
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: what is the cure to a broken heart?
  type: MusicAlbum
  date published: 2020-02-14
album: pain is temporary
  type: MusicAlbum
  date published: 2020-02-15
album: pain is temporary
  type: MusicAlbum
  date published: 2020-02-15
album: VLOOD THIS, VLOOD THAT
  type: MusicAlbum
  date published: 2020-02-20
album: Unrequited Love
  type: MusicAlbum
  date published: 2020-08-12
album: Unrequited Love
  type: MusicAlbum
  date published: 2020-08-12
album: CHILDREN WITH MASK
  type: MusicAlbum
  date published: 2020-10-31
  track: what's love?
    type: MusicRecording
    duration: PT3M28S
    duration ms: 208000
    explicit: true
    by artist: Massiimassio
    in album: CHILDREN WITH MASK
      type: MusicAlbum
      date published: 2020-10-31
    isrc code: QZNMU2044985
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T21:37:55+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x031cffda68f7a85741786519a0be1c7344b82188fbf61c3269f4cfcd112ce7f3
    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/QZNMU2044985
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-06T01:25:57Z
    additional property: OTSVerifyInstructions
    subject of: OpenTimestamps Proof of Existence
    audio: what's love?
album: Obliteration Pt.1
album: KOntroVersiAL Pt.1
album: Sanctuary Pt.1
album: Mia'
album: Shallow Love

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 0x031cffda68f7a85741786519a0be1c7344b82188fbf61c3269f4cfcd112ce7f3. 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/QZNMU2044985.
date published: 2026-07-06T01:25:57Z

what's love?
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 90.035
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: 0.693
additional property: Energy
  type: PropertyValue
  value: 0.752
additional property: Speechiness
  type: PropertyValue
  value: 0.242
additional property: Acousticness
  type: PropertyValue
  value: 0.522
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.158
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.161
additional property: Loudness (dB)
  type: PropertyValue
  value: -4.933
additional property: Key Name
  type: PropertyValue
  value: E
additional property: Mode Name
  type: PropertyValue
  value: Minor

CHILDREN WITH MASK
type: MusicAlbum
date published: 2020-11-10

CHILDREN WITH MASK
type: MusicAlbum
date published: 2020-11-10

Obliteration Pt.1
type: MusicAlbum
date published: 2021-02-23

KOntroVersiAL Pt.1
type: MusicAlbum
date published: 2021-06-10

KOntroVersiAL Pt.1
type: MusicAlbum
date published: 2021-06-10

Sanctuary Pt.1
type: MusicAlbum
date published: 2022-05-21

Mia'
type: MusicAlbum
date published: 2022-07-13

Shallow Love
type: MusicAlbum
date published: 2022-12-10