Mario
type: MusicGroup
description: Mario (; ) is a character created by Japanese video game designer Shigeru Miyamoto. He is the star of the Mario franchise, a recurring character in the Donkey Kong franchise, and the mascot of their o
popularity: 2
followers: 455
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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 0xaf00a15a1ccf3cf79213232601dafaa64f32e2d23e2f32e60bef93966ba30467. Chain 2 (Bitcoin): anchored in block 953997 (2026-06-16T20:07:57Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2e8ce917-f650-4817-bbea-4942368e14c2.json and https://artists.proofprofile.net/proofs/artist/2e8ce917-f650-4817-bbea-4942368e14c2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T20:07:57Z
album: For Altid
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album: La Mia Ex
  type: MusicAlbum
  date published: 2025-08-01
  track: La Mia Ex
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    in album: La Mia Ex
      type: MusicAlbum
      date published: 2025-08-01
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    additional property: OTSTimestamp
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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 0x8a5cce85157e4139736434ee1b5d20d48359c5542cf3e67f8013504c8314ebce. Chain 2 (Bitcoin): anchored in block 958870 (2026-07-20T11:19:23Z), 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/QMBZ92566710.
      date published: 2026-07-20T11:19:23Z
    audio: La Mia Ex
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        value: D
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album: Du & Jeg
  type: MusicAlbum
  date published: 2025-08-15
  track: Du & Jeg
    type: MusicRecording
    duration: PT2M22S
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    by artist: Mario
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      type: MusicAlbum
      date published: 2025-08-15
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    subject of: OpenTimestamps Proof of Existence
    audio: Du & Jeg
album: Fredagsdans
album: Fredagsdans (Remix)
album: Amore

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMDA62521865

OTSTimestamp
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value: 2026-07-04T14:03:39Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2860713d88c2b4421ba8233fbf7d9762aad2d5bf4b234eb8efd31f4dee1cb3f. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/QMDA62521865.
date published: 2026-07-04T14:03:39Z

Du & Jeg
type: AudioObject
additional property: Tempo (BPM)
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additional property: Mode (Major/Minor)
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additional property: Time Signature
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additional property: Danceability
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  value: 0.834
additional property: Energy
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additional property: Speechiness
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  value: 0.041
additional property: Acousticness
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  value: 0.489
additional property: Instrumentalness
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additional property: Liveness
  type: PropertyValue
  value: 0.078
additional property: Valence (Positivity)
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  value: 0.717
additional property: Loudness (dB)
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additional property: Mode Name
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Fredagsdans
type: MusicAlbum
date published: 2025-08-29

Fredagsdans (Remix)
type: MusicAlbum
date published: 2025-08-29

Amore
type: MusicAlbum
date published: 2025-10-03