Alfredo Lopez
type: MusicGroup
genre: bachata
genre: merengue
description: Alfredo Jose Miguel Lopez (born 1949) is an activist, writer, media producer, teacher and organizer in Brooklyn, New York. He is currently a well-known Internet activist and the Co-Director of May Fir
popularity: 12
followers: 369
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x49556ce9d03f271fc157fbe225f6a34ee19db0081ea946d6dfc23953f7daf8e0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953588
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953588
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/0046084c-ee50-4281-a83e-f2b6275a7361.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/0046084c-ee50-4281-a83e-f2b6275a7361.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/0046084c-ee50-4281-a83e-f2b6275a7361
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T04:52:46Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x49556ce9d03f271fc157fbe225f6a34ee19db0081ea946d6dfc23953f7daf8e0","name":"Alfredo Lopez","registered_at":"2026-06-14T04:26:03Z","symbol":"NIM0338125","token_address":"0xa0288c43e1b68795041379b20e39b48c2138b675","type":"artist","uuid":"0046084c-ee50-4281-a83e-f2b6275a7361"}
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 0x49556ce9d03f271fc157fbe225f6a34ee19db0081ea946d6dfc23953f7daf8e0. Chain 2 (Bitcoin): anchored in block 953588 (2026-06-14T04:52:46Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0046084c-ee50-4281-a83e-f2b6275a7361.json and https://artists.proofprofile.net/proofs/artist/0046084c-ee50-4281-a83e-f2b6275a7361.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T04:52:46Z
  text: {"copyright_id":"0x49556ce9d03f271fc157fbe225f6a34ee19db0081ea946d6dfc23953f7daf8e0","name":"Alfredo Lopez","registered_at":"2026-06-14T04:26:03Z","symbol":"NIM0338125","token_address":"0xa0288c43e1b68795041379b20e39b48c2138b675","type":"artist","uuid":"0046084c-ee50-4281-a83e-f2b6275a7361"}
album: El Curandero
  type: MusicAlbum
  date published: 1997-11-25
album: Los Chismes
  type: MusicAlbum
  date published: 2012-09-07
album: La Respuesta
  type: MusicAlbum
  date published: 2021-04-29
track: El Molde
  type: MusicRecording
  duration: PT3M50S
  duration ms: 230426
  explicit: false
  by artist: Alfredo Lopez
  in album: 1
    type: MusicAlbum
    date published: 2015-04-15
  isrc code: US3Z41500193
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  additional property: CopyrightStatus
    type: PropertyValue
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    type: PropertyValue
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US3Z41500193
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  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 0xee4c60815428f37572d5c622a0007f83cbb0ae02e8e02d08b9996769af10b99f. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/US3Z41500193.
    date published: 2026-06-13T15:41:10Z
  audio: El Molde
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
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    additional property: Musical Key
      type: PropertyValue
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
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    additional property: Danceability
      type: PropertyValue
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    additional property: Energy
      type: PropertyValue
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
      type: PropertyValue
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    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.826
    additional property: Loudness (dB)
      type: PropertyValue
      value: -9.39
    additional property: Key Name
      type: PropertyValue
      value: F#
    additional property: Mode Name
      type: PropertyValue
      value: Major