Abel Herrera
type: MusicGroup
description: Abel Ernesto Herrera (born May 9, 1955) is a former Argentine football left back. He holds the record for the most league appearances for Estudiantes de La Plata in the professional era with 467.La Na
popularity: 4
followers: 74
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8b43b8efbfe17c56c040b0c5c88ddefdbe9b2cb78e3d69856894afda96e1c934
additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 954065
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954065
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4d2ea71d-0ec6-4db5-ac4d-4995297c50cc.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4d2ea71d-0ec6-4db5-ac4d-4995297c50cc.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/4d2ea71d-0ec6-4db5-ac4d-4995297c50cc
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:10:43Z
additional property: OTSCanonicalRecord
  type: PropertyValue
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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 0x8b43b8efbfe17c56c040b0c5c88ddefdbe9b2cb78e3d69856894afda96e1c934. 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/4d2ea71d-0ec6-4db5-ac4d-4995297c50cc.json and https://artists.proofprofile.net/proofs/artist/4d2ea71d-0ec6-4db5-ac4d-4995297c50cc.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0x8b43b8efbfe17c56c040b0c5c88ddefdbe9b2cb78e3d69856894afda96e1c934","name":"Abel Herrera","registered_at":"2026-06-16T16:32:26Z","symbol":"NIM1110277","token_address":"0xa14bccf22d8b53e7920734520e8eb27e61611d64","type":"artist","uuid":"4d2ea71d-0ec6-4db5-ac4d-4995297c50cc"}
album: acercándome
  type: MusicAlbum
  date published: 2024-09-13
album: Distensión
  type: MusicAlbum
  date published: 2025-01-18
album: existencia finita
  type: MusicAlbum
  date published: 2025-10-14
  track: flotando
    type: MusicRecording
    duration: PT3M54S
    duration ms: 234241
    explicit: false
    by artist: Abel Herrera
    in album: existencia finita
      type: MusicAlbum
      date published: 2025-10-14
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    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
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    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QT3FC2528441
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-19T23:33:54Z
    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 0xf7d6c4dcf6f8b3e4cce70221b0e8a8cb6ff1e2470404ef0b03912ce16459e1a4. Chain 2 (Bitcoin): anchored in block 958779 (2026-07-19T23:33:54Z), 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/QT3FC2528441.
      date published: 2026-07-19T23:33:54Z
    audio: flotando
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 150.951
      additional property: Musical Key
        type: PropertyValue
        value: 10
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.258
      additional property: Energy
        type: PropertyValue
        value: 0.287
      additional property: Speechiness
        type: PropertyValue
        value: 0.036
      additional property: Acousticness
        type: PropertyValue
        value: 0.981
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.844
      additional property: Liveness
        type: PropertyValue
        value: 0.146
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.04
      additional property: Loudness (dB)
        type: PropertyValue
        value: -16.716
      additional property: Key Name
        type: PropertyValue
        value: Bb
      additional property: Mode Name
        type: PropertyValue
        value: Minor
  track: el paso del tiempo
    type: MusicRecording
    duration: PT3M49S
    duration ms: 229189
    explicit: false
    by artist: Abel Herrera
    in album: existencia finita
      type: MusicAlbum
      date published: 2025-10-14
    isrc code: QT3FC2528442
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
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    additional property: CopyrightChainExplorerURL
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    additional property: OTSBitcoinBlock
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    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958607
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QT3FC2528442
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-18T21:01:11Z
    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 0x5aedf060acb8df8dd21a9bebee0444062421f154d3245ed21a5edc95f85bd427. Chain 2 (Bitcoin): anchored in block 958607 (2026-07-18T21:01:11Z), 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/QT3FC2528442.
      date published: 2026-07-18T21:01:11Z
    audio: el paso del tiempo
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 112.922
      additional property: Musical Key
        type: PropertyValue
        value: 4
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.331
      additional property: Energy
        type: PropertyValue
        value: 0.229
      additional property: Speechiness
        type: PropertyValue
        value: 0.037
      additional property: Acousticness
        type: PropertyValue
        value: 0.95
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.914
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
  track: existencia finita

Liveness
type: PropertyValue
value: 0.275

Valence (Positivity)
type: PropertyValue
value: 0.068

Loudness (dB)
type: PropertyValue
value: -17.457

Key Name
type: PropertyValue
value: E

Mode Name
type: PropertyValue
value: Major

existencia finita
type: MusicRecording
duration: PT3M52S
duration ms: 232544
explicit: false
by artist: Abel Herrera
in album: existencia finita
  type: MusicAlbum
  date published: 2025-10-14
isrc code: QT3FC2528443
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-16T14:01:47+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x0af06a8eae59aef9a4c099c9302815076abc81bb7a2d2319129d6b3d6116b3c3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958319
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958319
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QT3FC2528443
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-16T22:10:36Z
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 0x0af06a8eae59aef9a4c099c9302815076abc81bb7a2d2319129d6b3d6116b3c3. Chain 2 (Bitcoin): anchored in block 958319 (2026-07-16T22:10:36Z), 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/QT3FC2528443.
  date published: 2026-07-16T22:10:36Z
audio: existencia finita
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 128.496
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.401
  additional property: Energy
    type: PropertyValue
    value: 0.126
  additional property: Speechiness
    type: PropertyValue
    value: 0.054
  additional property: Acousticness
    type: PropertyValue
    value: 0.988
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.634
  additional property: Liveness
    type: PropertyValue
    value: 0.095
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.067
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.357
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor