Punho de Mahin
type: MusicGroup
popularity: 4
followers: 2023
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4abdced126bf59fb329f7b81534adb830b9ff07074f16fda46be7fa440664079
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954066
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954066
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/66fd75ef-979d-47a5-b60e-f672de6e1f33.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/66fd75ef-979d-47a5-b60e-f672de6e1f33.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/66fd75ef-979d-47a5-b60e-f672de6e1f33
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:11:48Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x4abdced126bf59fb329f7b81534adb830b9ff07074f16fda46be7fa440664079","name":"Punho de Mahin","registered_at":"2026-06-17T01:53:05Z","symbol":"NIM1244029","token_address":"0x3fcfce31b3d104117e32259a32110c29e52fe569","type":"artist","uuid":"66fd75ef-979d-47a5-b60e-f672de6e1f33"}
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 0x4abdced126bf59fb329f7b81534adb830b9ff07074f16fda46be7fa440664079. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/66fd75ef-979d-47a5-b60e-f672de6e1f33.json and https://artists.proofprofile.net/proofs/artist/66fd75ef-979d-47a5-b60e-f672de6e1f33.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0x4abdced126bf59fb329f7b81534adb830b9ff07074f16fda46be7fa440664079","name":"Punho de Mahin","registered_at":"2026-06-17T01:53:05Z","symbol":"NIM1244029","token_address":"0x3fcfce31b3d104117e32259a32110c29e52fe569","type":"artist","uuid":"66fd75ef-979d-47a5-b60e-f672de6e1f33"}
album: Embate e Ancestralidade
  type: MusicAlbum
  date published: 2022-03-31
album: Embate e Ancestralida
  type: MusicAlbum
  date published: 2022-04-27
  track: Marighella
    type: MusicRecording
    duration: PT2M33S
    duration ms: 153140
    explicit: false
    by artist: Punho de Mahin
    in album: Embate e Ancestralida
      type: MusicAlbum
      date published: 2022-04-27
    isrc code: BXFY22200004
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-22T08:06:14+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xc88d7291da0b711b588b29a1a07ea101c1197f8a3a840aca5d222205bd4a131f
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 959114
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/959114
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BXFY22200004
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-22T08:41:42Z
    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 0xc88d7291da0b711b588b29a1a07ea101c1197f8a3a840aca5d222205bd4a131f. Chain 2 (Bitcoin): anchored in block 959114 (2026-07-22T08:41:42Z), 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/BXFY22200004.
      date published: 2026-07-22T08:41:42Z
    audio: Marighella
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 134.77
      additional property: Musical Key
        type: PropertyValue
        value: 2
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 3
      additional property: Danceability
        type: PropertyValue
        value: 0.318
      additional property: Energy
        type: PropertyValue
        value: 0.988
      additional property: Speechiness
        type: PropertyValue
        value: 0.111
      additional property: Acousticness
        type: PropertyValue
        value: 0.081
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.466
      additional property: Liveness
        type: PropertyValue
        value: 0.149
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.129
      additional property: Loudness (dB)
        type: PropertyValue
        value: -4.31
      additional property: Key Name
        type: PropertyValue
        value: D
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Ei, Mulher!
  type: MusicAlbum
  date published: 2025-09-05
track: Xingú
  type: MusicRecording
  duration: PT2M23S
  duration ms: 143994
  explicit: false
  by artist: Punho de Mahin
  in album: Split - Punho de Mahin / Sendo Fogo
    type: MusicAlbum
    date published: 2021-05-25
  isrc code: BX0KB2100009
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-08-01T02:42:10+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xea88903c15ad5ce932b5b764460cd3519ea60297cb7a5fd04f0f15c72bfd0934
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 960506
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960506
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BX0KB2100009
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-08-01T03:50:58Z
  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 0xea88903c15ad5ce932b5b764460cd3519ea60297cb7a5fd04f0f15c72bfd0934. Chain 2 (Bitcoin): anchored in block 960506 (2026-08-01T03:50:58Z), 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/BX0KB2100009.
    date published: 2026-08-01T03:50:58Z
  audio: Xingú
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 113.655
    additional property: Musical Key
      type: PropertyValue
      value: 11
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.359
    additional property: Energy
      type: PropertyValue
      value: 0.775
    additional property: Speechiness
      type: PropertyValue
      value: 0.045
    additional property: Acousticness
      type: PropertyValue
      value: 0
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
    additional property: Valence (Positivity)
    additional property: Loudness (dB)
    additional property: Key Name
    additional property: Mode Name

Liveness
type: PropertyValue
value: 0.168

Valence (Positivity)
type: PropertyValue
value: 0.522

Loudness (dB)
type: PropertyValue
value: -10.518

Key Name
type: PropertyValue
value: B

Mode Name
type: PropertyValue
value: Minor