Holger
type: MusicGroup
genre: nova mpb
description: Holger may refer to: People Holger (given name), includes name origin, plus people with the name Hilde Holger, stage name of dancer, choreographer and dance teacher Hilde Boman-Behram (née Hilde So
popularity: 12
followers: 6795
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb113a927af3bcb9daeec7b01f031861527b3f4cb22d7bb7f859f79909830ff7c
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/e2d73686-994a-4460-a0c5-19674bbc1acc.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/e2d73686-994a-4460-a0c5-19674bbc1acc.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/e2d73686-994a-4460-a0c5-19674bbc1acc
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T15:41:00Z
additional property: OTSCanonicalRecord
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 0xb113a927af3bcb9daeec7b01f031861527b3f4cb22d7bb7f859f79909830ff7c. Chain 2 (Bitcoin): anchored in block 953827 (2026-06-15T19:59:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e2d73686-994a-4460-a0c5-19674bbc1acc.json and https://artists.proofprofile.net/proofs/artist/e2d73686-994a-4460-a0c5-19674bbc1acc.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T19:59:56Z
album: Green Valley
  type: MusicAlbum
  date published: 2008-09-07
album: Sunga
  type: MusicAlbum
  date published: 2010-12-01
album: Ilhabela
  type: MusicAlbum
  date published: 2012-11-13
  track: Tonificando
    type: MusicRecording
    duration: PT3M33S
    duration ms: 213741
    explicit: false
    by artist: Holger
    in album: Ilhabela
      type: MusicAlbum
      date published: 2012-11-13
    genre: nova mpb
    isrc code: BR4T11200001
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-16T04:32:53+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x4bf2d9e34ea8372a1c5762095b603adcbfeac5e9e85399ba91a0fb3ec8ac0434
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958242
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958242
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BR4T11200001
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-16T07:35:53Z
    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 0x4bf2d9e34ea8372a1c5762095b603adcbfeac5e9e85399ba91a0fb3ec8ac0434. Chain 2 (Bitcoin): anchored in block 958242 (2026-07-16T07:35:53Z), 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/BR4T11200001.
      date published: 2026-07-16T07:35:53Z
    audio: Tonificando
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 114.987
      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: 0.737
      additional property: Energy
        type: PropertyValue
        value: 0.762
      additional property: Speechiness
        type: PropertyValue
        value: 0.049
      additional property: Acousticness
        type: PropertyValue
        value: 0.098
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.151
      additional property: Liveness
        type: PropertyValue
        value: 0.309
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.538
      additional property: Loudness (dB)
        type: PropertyValue
        value: -7.684
      additional property: Key Name
        type: PropertyValue
        value: G
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Holger
  type: MusicAlbum
  date published: 2014-11-04
  track: Café Preto
    type: MusicRecording
    duration: PT2M58S
    duration ms: 178559
    explicit: false
    by artist: Holger
    in album: Holger
      type: MusicAlbum
      date published: 2014-11-04
    genre: nova mpb
    isrc code: BXPE41400002
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-22T05:07:14+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x7bf3f31bc4c681f83813b70348961839c8ebf03c16bcf2f79057d5b28223de47
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 959100
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/959100
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BXPE41400002
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-22T08:06:13Z
    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 0x7bf3f31bc4c681f83813b70348961839c8ebf03c16bcf2f79057d5b28223de47. Chain 2 (Bitcoin): anchored in block 959100 (2026-07-22T08:06:13Z), 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/BXPE41400002.
      date published: 2026-07-22T08:06:13Z
    audio: Café Preto
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 120.011
      additional property: Musical Key
        type: PropertyValue
        value: 2
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.814
      additional property: Energy
        type: PropertyValue
        value: 0.52
      additional property: Speechiness
        type: PropertyValue
        value: 0.039
      additional property: Acousticness
        type: PropertyValue
        value: 0.156
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Jurema
album: Café Preto
album: Despedida
album: Sexualidade e Repressão
album: Relações Premiadas
album: Tudo Vai Mudar
album: Glossário
album: Domingo de Sol
album: Remota
album: Más Línguas

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.126

Valence (Positivity)
type: PropertyValue
value: 0.506

Loudness (dB)
type: PropertyValue
value: -8.292

Key Name
type: PropertyValue
value: D

Mode Name
type: PropertyValue
value: Major

Jurema
type: MusicAlbum
date published: 2014-12-09

Café Preto
type: MusicAlbum
date published: 2014-12-09

Despedida
type: MusicAlbum
date published: 2016-02-26

Sexualidade e Repressão
type: MusicAlbum
date published: 2016-03-11

Relações Premiadas
type: MusicAlbum
date published: 2018

Tudo Vai Mudar
type: MusicAlbum
date published: 2018-10-26

Relações Premiadas
type: MusicAlbum
date published: 2018-11-09

Glossário
type: MusicAlbum
date published: 2019-03-22

Domingo de Sol
type: MusicAlbum
date published: 2023-05-18

Remota
type: MusicAlbum
date published: 2023-06-23

Más Línguas
type: MusicAlbum
date published: 2023-07-14
track: Inverno
  type: MusicRecording
  duration: PT2M49S
  duration ms: 169033
  explicit: false
  by artist: Holger
  in album: Más Línguas
    type: MusicAlbum
    date published: 2023-07-14
  genre: nova mpb
  isrc code: BR2ZB2200007
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T15:22:26+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xf75a485f02ef486cd93ac5ab69437ee2b28778b7850b805c7f5dd8ec7297ef1d
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956826
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956826
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BR2ZB2200007
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T19:27:56Z
  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 0xf75a485f02ef486cd93ac5ab69437ee2b28778b7850b805c7f5dd8ec7297ef1d. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/BR2ZB2200007.
    date published: 2026-07-05T19:27:56Z
  audio: Inverno
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 144.069
    additional property: Musical Key
      type: PropertyValue
      value: 9
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.715
    additional property: Energy
      type: PropertyValue
      value: 0.758
    additional property: Speechiness
      type: PropertyValue
      value: 0.034
    additional property: Acousticness
      type: PropertyValue
      value: 0.094
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.001
    additional property: Liveness
      type: PropertyValue
      value: 0.129
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.851
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.307
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Minor