Jānis Krūmiņš
type: MusicGroup
description: Jānis Krūmiņš (30 January 1930 – 20 November 1994) was a Soviet-Latvian professional basketball player. Helped by his height (about 220 cm, or 7'3"), he was the first giant center that dominated under
popularity: 24
followers: 52
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd41f766656fe30187a05006c56ca297a857e8233d32139de588fdf5f33cc2487
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd41f766656fe30187a05006c56ca297a857e8233d32139de588fdf5f33cc2487. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3d794a3a-956f-48ac-a366-a872518f62c4.json and https://artists.proofprofile.net/proofs/artist/3d794a3a-956f-48ac-a366-a872518f62c4.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
  text: {"copyright_id":"0xd41f766656fe30187a05006c56ca297a857e8233d32139de588fdf5f33cc2487","name":"Jānis Krūmiņš","registered_at":"2026-06-11T17:20:19Z","symbol":"NIM0080345","token_address":"0x3d8d471326ec511109f506dcb6ea444aa5289ce0","type":"artist","uuid":"3d794a3a-956f-48ac-a366-a872518f62c4"}
track: Priekšnieku Nav (feat. Jānis Krūmiņš)
track: Pāri Okeānam (feat. Jānis Krūmiņš)

Priekšnieku Nav (feat. Jānis Krūmiņš)
type: MusicRecording
duration: PT3M10S
duration ms: 190486
explicit: false
by artist: OLAS
by artist: Jānis Krūmiņš
in album: Ir Klāt
  type: MusicAlbum
  date published: 2017-04-24
isrc code: LVL151703457
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additional property: CopyrightStatus
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
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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  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
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additional property: BitcoinTime
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  value: 2026-06-13T13:32:09+00:00
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 0x31a3ec9a9dacb35afe9d2b4689a0d10bbf019c1a3a9652843cc6f93d79a6da7a. 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/LVL151703457.
  date published: 2026-06-13T13:32:09Z
audio: Priekšnieku Nav (feat. Jānis Krūmiņš)
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 131.678
  additional property: Musical Key
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    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.573
  additional property: Energy
    type: PropertyValue
    value: 0.835
  additional property: Speechiness
    type: PropertyValue
    value: 0.29
  additional property: Acousticness
    type: PropertyValue
    value: 0.082
  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
    value: 0.551
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.758
  additional property: Loudness (dB)
    type: PropertyValue
    value: -9.954
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Pāri Okeānam (feat. Jānis Krūmiņš)
type: MusicRecording
duration: PT3M26S
duration ms: 206032
explicit: false
by artist: OLAS
by artist: Jānis Krūmiņš
in album: Ir Klāt
  type: MusicAlbum
  date published: 2017-04-24
isrc code: LVL151703469
additional property: CopyrightID
additional property: CopyrightStatus
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  value: registered
additional property: CopyrightRegisteredAt
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  value: 2026-06-05T06:28:38+00:00
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  value: https://explorer.copyrightchains.com/tx/0x7368b793e88e6400ec6e726a66ea102ddea4ef954eea7090e95f7e567358a508
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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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
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7368b793e88e6400ec6e726a66ea102ddea4ef954eea7090e95f7e567358a508. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/LVL151703469.
  date published: 2026-06-13T15:41:10Z
audio: Pāri Okeānam (feat. Jānis Krūmiņš)
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 164.267
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  additional property: Mode (Major/Minor)
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    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.708
  additional property: Energy
    type: PropertyValue
    value: 0.803
  additional property: Speechiness
    type: PropertyValue
    value: 0.134
  additional property: Acousticness
    type: PropertyValue
    value: 0.028
  additional property: Instrumentalness
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    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.08
  additional property: Valence (Positivity)
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    value: 0.725
  additional property: Loudness (dB)
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    value: C#
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