Port Salut
type: MusicGroup
genre: dark ambient
description: Port Salut () is a semi-soft pasteurised cow's milk cheese from Pays de la Loire, France, with a distinctive orange rind and a mild flavour. The cheese is produced in wheels approximately 23 cm (9 in
popularity: 3
followers: 150
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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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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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x90e5dca4ceb85cb3c19e930b928f51cad1331c22ec88dd852fd00db797e93eba. Chain 2 (Bitcoin): anchored in block 954705 (2026-06-21T13:42:37Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f0acc2d7-580e-4a23-a43c-21f2bca13e42.json and https://artists.proofprofile.net/proofs/artist/f0acc2d7-580e-4a23-a43c-21f2bca13e42.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T13:42:37Z
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album: Sunrise Serenity (Serenity of the Sunrise)
  type: MusicAlbum
  date published: 2024-04-24
album: Galactic Discoveries
  type: MusicAlbum
  date published: 2024-04-19
album: Mountain Majesty (Nature's Majesty)
  type: MusicAlbum
  date published: 2024-03-27
album: Armonia Serale
  type: MusicAlbum
  date published: 2023-03-30
album: Tema Notturno
  type: MusicAlbum
  date published: 2022-02-21
  track: Tema Notturno
album: Invisible
  type: MusicAlbum
  date published: 2020-11-10
  track: Invisible
album: Silence
  type: MusicAlbum
  date published: 2024-08-02

Tema Notturno
type: MusicRecording
duration: PT3M33S
duration ms: 213012
explicit: false
by artist: Port Salut
in album: Tema Notturno
  type: MusicAlbum
  date published: 2022-02-21
isrc code: SE5IB2215025
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41+00:00
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
additional property: ProofProfileEvidenceStatus
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x516a719951e674443f269b4d5f86d5f782c2237c879e3cf09a896b13db4d0d6c. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/SE5IB2215025.
  date published: 2026-07-08T08:56:20Z
audio: Tema Notturno
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.144
  additional property: Energy
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    value: 0.077
  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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    value: -31.548
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    value: C
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Invisible
type: MusicRecording
duration: PT2M32S
duration ms: 152279
explicit: false
by artist: Port Salut
in album: Invisible
  type: MusicAlbum
  date published: 2020-11-10
isrc code: SE5IB2002019
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additional property: CopyrightStatus
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additional property: OTSBitcoinBlock
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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
additional property: ProofProfileEvidenceStatus
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32060beee983e5b1d6188f68ae82b744604dcec61025e4bc7fa0b6dff6250631. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/SE5IB2002019.
  date published: 2026-07-02T03:55:08Z
audio: Invisible
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Energy
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Loudness (dB)
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  additional property: Key Name
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    type: PropertyValue
    value: Minor