Katia del Cid
type: MusicGroup
genre: gregorian chant
popularity: 19
followers: 2884
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb48411c708ec4ae0759b986d607b9af49b21a793788d26d0204cc5e16d14769c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953803
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953803
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ebd3e4f7-783d-474c-a8fb-c7432e704ee3.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ebd3e4f7-783d-474c-a8fb-c7432e704ee3.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/ebd3e4f7-783d-474c-a8fb-c7432e704ee3
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T15:41:00Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xb48411c708ec4ae0759b986d607b9af49b21a793788d26d0204cc5e16d14769c","name":"Katia del Cid","registered_at":"2026-06-15T05:14:35Z","symbol":"NIM0693116","token_address":"0x55415f564659843323a8bf333e908b2d40bfd54c","type":"artist","uuid":"ebd3e4f7-783d-474c-a8fb-c7432e704ee3"}
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 0xb48411c708ec4ae0759b986d607b9af49b21a793788d26d0204cc5e16d14769c. Chain 2 (Bitcoin): anchored in block 953803 (2026-06-15T15:41:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ebd3e4f7-783d-474c-a8fb-c7432e704ee3.json and https://artists.proofprofile.net/proofs/artist/ebd3e4f7-783d-474c-a8fb-c7432e704ee3.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T15:41:00Z
  text: {"copyright_id":"0xb48411c708ec4ae0759b986d607b9af49b21a793788d26d0204cc5e16d14769c","name":"Katia del Cid","registered_at":"2026-06-15T05:14:35Z","symbol":"NIM0693116","token_address":"0x55415f564659843323a8bf333e908b2d40bfd54c","type":"artist","uuid":"ebd3e4f7-783d-474c-a8fb-c7432e704ee3"}
album: Para Bien
  type: MusicAlbum
  date published: 2023-02-10
album: Cantus
  type: MusicAlbum
  date published: 2023-02-28
album: Gravedad
  type: MusicAlbum
  date published: 2023-04-14
  track: Gravedad
    type: MusicRecording
    duration: PT3M48S
    duration ms: 228031
    explicit: false
    by artist: Katia del Cid
    in album: Gravedad
      type: MusicAlbum
      date published: 2023-04-14
    genre: gregorian chant
    isrc code: QZGLM2396352
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-18T00:44:47+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xdb762475bff3dc372cff80f47b042ebc7da29b8b8a4c27ee9249acacc0326517
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958474
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958474
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGLM2396352
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-18T00:59:09Z
    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 0xdb762475bff3dc372cff80f47b042ebc7da29b8b8a4c27ee9249acacc0326517. Chain 2 (Bitcoin): anchored in block 958474 (2026-07-18T00:59:09Z), 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/QZGLM2396352.
      date published: 2026-07-18T00:59:09Z
    audio: Gravedad
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 94.024
      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: 0.625
      additional property: Energy
        type: PropertyValue
        value: 0.705
      additional property: Speechiness
        type: PropertyValue
        value: 0.045
      additional property: Acousticness
        type: PropertyValue
        value: 0.235
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.325
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.309
      additional property: Loudness (dB)
        type: PropertyValue
        value: -6.47
      additional property: Key Name
        type: PropertyValue
        value: Ab
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Vuelvo a la Vida
  type: MusicAlbum
  date published: 2023-05-12
  track: Vuelvo a la Vida
    type: MusicRecording
    duration: PT4M49S
    duration ms: 289315
    explicit: false
    by artist: Katia del Cid
    in album: Vuelvo a la Vida
      type: MusicAlbum
      date published: 2023-05-12
    genre: gregorian chant
    isrc code: QZGLS2333882
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-19T06:21:11+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xba4b20be299c72a4b6cb33fbc4f54b9d83acaa62671e2a1a0409f4221a461a23
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958686
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958686
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGLS2333882
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-19T06:43:29Z
    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 0xba4b20be299c72a4b6cb33fbc4f54b9d83acaa62671e2a1a0409f4221a461a23. Chain 2 (Bitcoin): anchored in block 958686 (2026-07-19T06:43:29Z), 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/QZGLS2333882.
      date published: 2026-07-19T06:43:29Z
    audio: Vuelvo a la Vida
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 145.984
      additional property: Musical Key
        type: PropertyValue
        value: 0
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.408
      additional property: Energy
        type: PropertyValue
        value: 0.712
      additional property: Speechiness
        type: PropertyValue
        value: 0.031
      additional property: Acousticness
        type: PropertyValue
        value: 0.01
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Todo Pasa
album: 27 (Version Ingles)
album: 27 (Versión en Español)
album: Para los Que Esperan
album: Santo
album: Vamos a Belén
album: Alma Misionera (En Vivo) [Cover]
track: Tu Grito

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.066

Valence (Positivity)
type: PropertyValue
value: 0.286

Loudness (dB)
type: PropertyValue
value: -4.445

Key Name
type: PropertyValue
value: C

Mode Name
type: PropertyValue
value: Major

Todo Pasa
type: MusicAlbum
date published: 2023-06-16
track: Todo Pasa
  type: MusicRecording
  duration: PT3M57S
  duration ms: 237674
  explicit: false
  by artist: Katia del Cid
  in album: Todo Pasa
    type: MusicAlbum
    date published: 2023-06-16
  genre: gregorian chant
  isrc code: QZNJV2300146
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-17T09:28:37+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xfef7b8aec5e31bda409acad863bf6a6a308ba63b422e3feea88186a8eb68ce1e
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958390
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958390
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNJV2300146
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-17T09:35:49Z
  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 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 0xfef7b8aec5e31bda409acad863bf6a6a308ba63b422e3feea88186a8eb68ce1e. Chain 2 (Bitcoin): anchored in block 958390 (2026-07-17T09:35:49Z), 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/QZNJV2300146.
    date published: 2026-07-17T09:35:49Z
  audio: Todo Pasa
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 102.046
    additional property: Musical Key
      type: PropertyValue
      value: 6
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.742
    additional property: Energy
      type: PropertyValue
      value: 0.77
    additional property: Speechiness
      type: PropertyValue
      value: 0.035
    additional property: Acousticness
      type: PropertyValue
      value: 0.004
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.252
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.549
    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.658
    additional property: Key Name
      type: PropertyValue
      value: F#
    additional property: Mode Name
      type: PropertyValue
      value: Major

27 (Version Ingles)
type: MusicAlbum
date published: 2023-08-18

27 (Versión en Español)
type: MusicAlbum
date published: 2023-09-01
track: 27 - Versión en Español
  type: MusicRecording
  duration: PT4M49S
  duration ms: 289315
  explicit: false
  by artist: Katia del Cid
  in album: 27 (Versión en Español)
    type: MusicAlbum
    date published: 2023-09-01
  genre: gregorian chant
  isrc code: QZNJZ2306048
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-17T18:08:15+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa15eeb4da43fbf77e970bb148a5058c8e59fba5904851c9ace90c510b3b7f086
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958444
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958444
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNJZ2306048
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-17T19:12:23Z
  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 0xa15eeb4da43fbf77e970bb148a5058c8e59fba5904851c9ace90c510b3b7f086. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/QZNJZ2306048.
    date published: 2026-07-17T19:12:23Z
  audio: 27 - Versión en Español
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 131.837
    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.534
    additional property: Energy
      type: PropertyValue
      value: 0.455
    additional property: Speechiness
      type: PropertyValue
      value: 0.028
    additional property: Acousticness
      type: PropertyValue
      value: 0.065
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.116
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.19
    additional property: Loudness (dB)
      type: PropertyValue
      value: -5.43
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Major

Para los Que Esperan
type: MusicAlbum
date published: 2023-09-29
track: Vuelvo a la Vida
  type: MusicRecording
  duration: PT4M49S
  duration ms: 289315
  explicit: false
  by artist: Katia del Cid
  in album: Para los Que Esperan
    type: MusicAlbum
    date published: 2023-09-29
  genre: gregorian chant
  isrc code: QZGLS2333882
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xba4b20be299c72a4b6cb33fbc4f54b9d83acaa62671e2a1a0409f4221a461a23
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 959094
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/959094
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGLS2333882
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-22T03:33:16Z
  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 0xba4b20be299c72a4b6cb33fbc4f54b9d83acaa62671e2a1a0409f4221a461a23. Chain 2 (Bitcoin): anchored in block 959094 (2026-07-22T03:33:16Z), 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/QZGLS2333882.
    date published: 2026-07-22T03:33:16Z
  audio: Vuelvo a la Vida
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 145.984
    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.408
    additional property: Energy
      type: PropertyValue
      value: 0.712
    additional property: Speechiness
      type: PropertyValue
      value: 0.031
    additional property: Acousticness
      type: PropertyValue
      value: 0.01
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.066
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.286
    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.445
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major

Santo
type: MusicAlbum
date published: 2024-05-03
track: Santo
  type: MusicRecording
  duration: PT5M29S
  duration ms: 329984
  explicit: false
  by artist: Katia del Cid
  in album: Santo
    type: MusicAlbum
    date published: 2024-05-03
  genre: gregorian chant
  isrc code: QZMZ92439588
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-16T02:59:04+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x169b32375d24f8a1cdab546f4e3ec73a503d6fa1fdd967eb85aec56102d14a88
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958234
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958234
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZMZ92439588
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-16T03:46:09Z
  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
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Vamos a Belén
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Alma Misionera (En Vivo) [Cover]
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Tu Grito
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by artist: Kairy Marquez
by artist: Celines
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by artist: Olivia Ferreira
by artist: Rogério Pereira
by artist: Emanuel Stênio
by artist: Katia del Cid
by artist: Pablo Martínez
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