Gustav Davidsson
type: MusicGroup
description: Gustav Davidsson (born 29 November 1999) is a Swedish professional handball player for Rhein-Neckar Löwen and the Swedish national team. He made his debut for the national team in March 2023. Achie
popularity: 15
followers: 183
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additional property: OTSVerifyInstructions
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  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
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album: Anin
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  date published: 2021-01-22
album: Slåttermyren
  type: MusicAlbum
  date published: 2018-04-20
album: Vintersagor
  type: MusicAlbum
  date published: 2014-04-10
album: Far Väl (felted piano)
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  date published: 2024-05-17
album: Far Väl
  type: MusicAlbum
  date published: 2024-05-03
album: Remembrance
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  date published: 2023-11-10
  track: Saudade
  track: Nostalgia
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    by artist: Gustav Davidsson
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      date published: 2023-11-10
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    additional property: OTSVerifyInstructions
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-08T03:53:27Z
    audio: Nostalgia
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  track: Acceptance
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    by artist: Gustav Davidsson
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      date published: 2023-11-10
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    additional property: OTSVerifyInstructions
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      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
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      date published: 2026-07-08T03:20:19Z
    audio: Acceptance
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      additional property: Loudness (dB)
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album: Nostalgia
album: Acceptance
album: Continue
album: Falling
album: Mist
album: Hope
album: Exhalation
album: Shining Stillness
album: September
album: Januari II
album: Mestoslinkka
album: Mars

Saudade
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duration: PT4M0S
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by artist: Brightsand
by artist: Gustav Davidsson
in album: Remembrance
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  date published: 2023-11-10
isrc code: AUMEV2370887
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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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
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T17:25:41Z
audio: Saudade
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  additional property: Valence (Positivity)
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Energy
type: PropertyValue
value: 0.037

Speechiness
type: PropertyValue
value: 0.042

Acousticness
type: PropertyValue
value: 0.991

Instrumentalness
type: PropertyValue
value: 0.968

Liveness
type: PropertyValue
value: 0.108

Valence (Positivity)
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value: 0.246

Loudness (dB)
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value: -26.332

Key Name
type: PropertyValue
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Mode Name
type: PropertyValue
value: Major

Nostalgia
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date published: 2023-10-27
track: Nostalgia
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  duration: PT2M43S
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  by artist: Gustav Davidsson
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    date published: 2023-10-27
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  additional property: OTSVerifyInstructions
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    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
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d3a26358b7091b9752b4b89eba3e03abc5483fe34983ce00e258fba58065aa0. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/AUMEV2370883.
    date published: 2026-06-13T17:25:41Z
  audio: Nostalgia
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Acceptance
type: MusicAlbum
date published: 2023-10-13
track: Acceptance
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  by artist: Brightsand
  by artist: Gustav Davidsson
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    date published: 2023-10-13
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  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
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    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16d4d5a0a9e7f7a22fa3cff7558f13599c290c80711be7cdd6c8a11378f2cc9b. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/AUMEV2370881.
    date published: 2026-06-13T13:32:09Z
  audio: Acceptance
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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
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Continue
type: MusicAlbum
date published: 2023-05-12

Falling
type: MusicAlbum
date published: 2023-02-17

Mist
type: MusicAlbum
date published: 2022-11-11

Hope
type: MusicAlbum
date published: 2021-01-08

Exhalation
type: MusicAlbum
date published: 2020-12-11

Shining Stillness
type: MusicAlbum
date published: 2020-03-20

September
type: MusicAlbum
date published: 2018-09-28

Januari II
type: MusicAlbum
date published: 2018-01-24

Mestoslinkka
type: MusicAlbum
date published: 2017-12-11

Mars
type: MusicAlbum
date published: 2017-04-22