Oktobar 1864
type: MusicGroup
description: Oktobar 1864 (; trans. October 1864) was a Yugoslav rock band formed in Belgrade in 1984. Formed and led by guitarist Goran Tomanović and fronted by vocalist Tanja Jovićević, the band gained mainstre
popularity: 19
followers: 10754
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additional property: CopyrightChainExplorerURL
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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 0x1a2116cbda8a6bcbbb7a35cdea199a471236093c93b82e0ec66af84c1884d950. Chain 2 (Bitcoin): anchored in block 953770 (2026-06-15T09:50:11Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ac645952-455e-45b4-a1d0-bbe3ac609625.json and https://artists.proofprofile.net/proofs/artist/ac645952-455e-45b4-a1d0-bbe3ac609625.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T09:50:11Z
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album: Nadji me
  type: MusicAlbum
  date published: 1987
album: Oktobar 1864
  type: MusicAlbum
  date published: 1987
album: Nadji me
  type: MusicAlbum
  date published: 1987-10-12
album: Oktobar 1864
  type: MusicAlbum
  date published: 1987-10-27
album: Ultimate Collection
  type: MusicAlbum
  date published: 2011-02-01
album: Oktobar 1864 Ultimate collection
  type: MusicAlbum
  date published: 2011-03-20
album: Nadji me
  type: MusicAlbum
  date published: 2025-03-12
  track: Jutro
    type: MusicRecording
    duration: PT5M36S
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    by artist: Oktobar 1864
    in album: Nadji me
      type: MusicAlbum
      date published: 2025-03-12
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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 0x4c8fe8399085b28306cc1ce8d5813aafb79a62a56367fe679725d620c187b7ca. 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/DEKB72517874.
      date published: 2026-07-05T19:27:56Z
    audio: Jutro
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        type: PropertyValue
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      additional property: Danceability
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      additional property: Speechiness
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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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      additional property: Key Name
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        value: E
      additional property: Mode Name
        type: PropertyValue
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  track: Muzika noci
    type: MusicRecording
    duration: PT2M52S
    duration ms: 172586
    explicit: false
    by artist: Oktobar 1864
    in album: Nadji me
      type: MusicAlbum
      date published: 2025-03-12
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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
    subject of: OpenTimestamps Proof of Existence
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4a3bef71f6713379d6bbf4ce4c1f337d01d48641ac0e13360e8084eaec29104. Chain 2 (Bitcoin): anchored in block 958621 (2026-07-18T22:59:44Z), 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/DEKB72517877.
      date published: 2026-07-18T22:59:44Z
    audio: Muzika noci
      type: AudioObject
      additional property: Tempo (BPM)
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        type: PropertyValue
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      additional property: Mode (Major/Minor)
        type: PropertyValue
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      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
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      additional property: Speechiness
      additional property: Acousticness
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name

Energy
type: PropertyValue
value: 0.581

Speechiness
type: PropertyValue
value: 0.053

Acousticness
type: PropertyValue
value: 0.445

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.186

Valence (Positivity)
type: PropertyValue
value: 0.745

Loudness (dB)
type: PropertyValue
value: -7.618

Key Name
type: PropertyValue
value: A

Mode Name
type: PropertyValue
value: Minor