Colegio Mater Salvatoris Madrid
type: MusicGroup
popularity: 30
followers: 3078
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb629845ae2ae1b7e46e10f5acf5a099e1dee3867121f9c16c86895352f2c5d6c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/6db8f7ff-bf27-4a61-b0ef-90a33e06c0a2.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/6db8f7ff-bf27-4a61-b0ef-90a33e06c0a2.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/6db8f7ff-bf27-4a61-b0ef-90a33e06c0a2
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xb629845ae2ae1b7e46e10f5acf5a099e1dee3867121f9c16c86895352f2c5d6c","name":"Colegio Mater Salvatoris Madrid","registered_at":"2026-06-12T00:30:36Z","symbol":"NIM0142771","token_address":"0x980452489706f76405d1a1b1c3a45085101a45f8","type":"artist","uuid":"6db8f7ff-bf27-4a61-b0ef-90a33e06c0a2"}
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 0xb629845ae2ae1b7e46e10f5acf5a099e1dee3867121f9c16c86895352f2c5d6c. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/6db8f7ff-bf27-4a61-b0ef-90a33e06c0a2.json and https://artists.proofprofile.net/proofs/artist/6db8f7ff-bf27-4a61-b0ef-90a33e06c0a2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
  text: {"copyright_id":"0xb629845ae2ae1b7e46e10f5acf5a099e1dee3867121f9c16c86895352f2c5d6c","name":"Colegio Mater Salvatoris Madrid","registered_at":"2026-06-12T00:30:36Z","symbol":"NIM0142771","token_address":"0x980452489706f76405d1a1b1c3a45085101a45f8","type":"artist","uuid":"6db8f7ff-bf27-4a61-b0ef-90a33e06c0a2"}
album: Mi Reina y Mi Señora
  type: MusicAlbum
  date published: 2021-01-01
album: Viviré (Cover)
  type: MusicAlbum
  date published: 2021-03-05
album: Himno del Colegio Mater Salvatoris
  type: MusicAlbum
  date published: 2021-03-31
album: Cara a Cara
  type: MusicAlbum
  date published: 2021-05-14
album: Cuantas Veces Siendo Niña
  type: MusicAlbum
  date published: 2021-05-18
  track: Cuantas Veces Siendo Niña
    type: MusicRecording
    duration: PT3M33S
    duration ms: 213500
    explicit: false
    by artist: Colegio Mater Salvatoris Madrid
    in album: Cuantas Veces Siendo Niña
      type: MusicAlbum
      date published: 2021-05-18
    isrc code: QZHZ32194053
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-11T14:26:50+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x3ff9ffa460e8c2961feae4887e0ea3fa1eb43498ba51211b9a99e37397020a6e
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 957579
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/957579
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHZ32194053
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-11T14:35:38Z
    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 0x3ff9ffa460e8c2961feae4887e0ea3fa1eb43498ba51211b9a99e37397020a6e. Chain 2 (Bitcoin): anchored in block 957579 (2026-07-11T14:35:38Z), 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/QZHZ32194053.
      date published: 2026-07-11T14:35:38Z
    audio: Cuantas Veces Siendo Niña
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 140.229
      additional property: Musical Key
        type: PropertyValue
        value: 9
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.456
      additional property: Energy
        type: PropertyValue
        value: 0.262
      additional property: Speechiness
        type: PropertyValue
        value: 0.034
      additional property: Acousticness
        type: PropertyValue
        value: 0.852
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.11
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.389
      additional property: Loudness (dB)
        type: PropertyValue
        value: -8.874
      additional property: Key Name
        type: PropertyValue
        value: A
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Amor Abnegado
  type: MusicAlbum
  date published: 2021-06-18
album: Bartimeo
  type: MusicAlbum
  date published: 2021-11-22
album: Villancicos Mater Salvatoris 1977 (Remasterizado)
  type: MusicAlbum
  date published: 2021-12-06
album: Ave Maria (Caccini)
  type: MusicAlbum
  date published: 2022-02-11
  track: Ave Maria (Caccini)
    type: MusicRecording
    duration: PT3M0S
    duration ms: 180009
    explicit: false
    by artist: Colegio Mater Salvatoris Madrid
    in album: Ave Maria (Caccini)
      type: MusicAlbum
      date published: 2022-02-11
    isrc code: QZ5AB2264697
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-03T14:15:06+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x17f566aa8017268d0922528361cb1ee0c93fac438f5bb27eb4d88d029ccab2c1
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956560
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956560
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ5AB2264697
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-03T23:28:02Z
    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 0x17f566aa8017268d0922528361cb1ee0c93fac438f5bb27eb4d88d029ccab2c1. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/QZ5AB2264697.
      date published: 2026-07-03T23:28:02Z
    audio: Ave Maria (Caccini)
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 114.928
      additional property: Musical Key
        type: PropertyValue
        value: 7
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      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: Panis Angelicus
album: Nadie Me Ha Mirado Así
album: Dona Nobis
album: Océanos
album: Canon de Pachelbel (En Vivo)
album: Su Camino

Danceability
type: PropertyValue
value: 0.225

Energy
type: PropertyValue
value: 0.098

Speechiness
type: PropertyValue
value: 0.042

Acousticness
type: PropertyValue
value: 0.987

Instrumentalness
type: PropertyValue
value: 0.733

Liveness
type: PropertyValue
value: 0.102

Valence (Positivity)
type: PropertyValue
value: 0.105

Loudness (dB)
type: PropertyValue
value: -21.507

Key Name
type: PropertyValue
value: G

Mode Name
type: PropertyValue
value: Minor

Panis Angelicus
type: MusicAlbum
date published: 2022-03-31

Nadie Me Ha Mirado Así
type: MusicAlbum
date published: 2022-04-22
track: Nadie Me Ha Mirado Así
  type: MusicRecording
  duration: PT3M37S
  duration ms: 217236
  explicit: false
  by artist: Colegio Mater Salvatoris Madrid
  in album: Nadie Me Ha Mirado Así
    type: MusicAlbum
    date published: 2022-04-22
  isrc code: QZHZ42254907
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-14T20:16:36+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe29608b1d6d86bc9a3385e4797fc7828a182996819e71f2f1414f57a7ded261e
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958060
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958060
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHZ42254907
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-14T20:39:42Z
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe29608b1d6d86bc9a3385e4797fc7828a182996819e71f2f1414f57a7ded261e. Chain 2 (Bitcoin): anchored in block 958060 (2026-07-14T20:39:42Z), 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/QZHZ42254907.
    date published: 2026-07-14T20:39:42Z
  audio: Nadie Me Ha Mirado Así
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 109.384
    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: 0.345
    additional property: Energy
      type: PropertyValue
      value: 0.325
    additional property: Speechiness
      type: PropertyValue
      value: 0.03
    additional property: Acousticness
      type: PropertyValue
      value: 0.768
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.2
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.187
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.71
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major

Dona Nobis
type: MusicAlbum
date published: 2022-09-16

Océanos
type: MusicAlbum
date published: 2022-12-11

Canon de Pachelbel (En Vivo)
type: MusicAlbum
date published: 2023-02-18

Su Camino
type: MusicAlbum
date published: 2023-06-16
track: Su Camino
  type: MusicRecording
  duration: PT3M58S
  duration ms: 238277
  explicit: false
  by artist: Colegio Mater Salvatoris Madrid
  in album: Su Camino
    type: MusicAlbum
    date published: 2023-06-16
  isrc code: QZNJW2376476
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T20:11:45+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x2cff8d377f7cfe9c53884b3c02a2562b8083d455982b30f6cb97f5d8eb42a117
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956738
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956738
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNJW2376476
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T04:47:21Z
  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 0x2cff8d377f7cfe9c53884b3c02a2562b8083d455982b30f6cb97f5d8eb42a117. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), 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/QZNJW2376476.
    date published: 2026-07-05T04:47:21Z
  audio: Su Camino
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 146.83
    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: 0.303
    additional property: Energy
      type: PropertyValue
      value: 0.282
    additional property: Speechiness
      type: PropertyValue
      value: 0.036
    additional property: Acousticness
      type: PropertyValue
      value: 0.801
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.162
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.23
    additional property: Loudness (dB)
      type: PropertyValue
      value: -12.604
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Minor