Last Child
type: MusicGroup
genre: indonesian pop
genre: pop punk
description: "Last Child" is a song by American rock band Aerosmith. It was written by Steven Tyler and Brad Whitford and released as the first single from the album Rocks in 1976. It peaked at number 21 on the Bi
popularity: 73
followers: 11751984
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x16889e210e324a5e943d114bd9dcd558bf9519ab82275034dd43a8eebdaf1fb3
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additional property: OTSBitcoinBlock
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additional property: OTSTimestamp
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  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
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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 0x16889e210e324a5e943d114bd9dcd558bf9519ab82275034dd43a8eebdaf1fb3. 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/2afb75da-407b-4071-bab2-b6013e19e6f9.json and https://artists.proofprofile.net/proofs/artist/2afb75da-407b-4071-bab2-b6013e19e6f9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
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album: Everything We Are Everything
  type: MusicAlbum
  date published: 2008-01-11
album: Our Biggest Thing Ever
  type: MusicAlbum
  date published: 2012-01-25
album: Tak Pernah Ternilai
  type: MusicAlbum
  date published: 2014-02-14
album: Our Biggest Thing Ever
  type: MusicAlbum
  date published: 2014-12-30
album: Everything We Are Everything
  type: MusicAlbum
  date published: 2015-01-11
album: Tak Pernah Ternilai
  type: MusicAlbum
  date published: 2015-01-13
album: Percayalah (New Version)
  type: MusicAlbum
  date published: 2015-04-09
album: Duka
  type: MusicAlbum
  date published: 2016-09-25
album: Ketidakrelaanku
  type: MusicAlbum
  date published: 2020-04-26
album: Menyerah
  type: MusicAlbum
  date published: 2021-04-05
album: Duka (Studio Session)
  type: MusicAlbum
  date published: 2021-12-17
album: Saat Saat Itu
  type: MusicAlbum
  date published: 2022-06-30
album: Hancur Lebih Dulu
  type: MusicAlbum
  date published: 2024-03-01
album: Dendam
  type: MusicAlbum
  date published: 2024-07-18
album: Lagu Patah Hati
  type: MusicAlbum
  date published: 2025-03-07
album: Pedih (XX Version)
  type: MusicAlbum
  date published: 2025-08-14
album: Lagu Terakhir Untukmu (New Version)
  type: MusicAlbum
  date published: 2025-10-27
track: Bernafas Tanpamu
track: Tak Pernah Ternilai
track: Duka
track: Dunia Untukmu

Bernafas Tanpamu
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duration: PT4M55S
duration ms: 295993
explicit: false
by artist: Last Child
in album: Surat Cinta Untuk Starla
  type: MusicAlbum
  date published: 2017-10-19
isrc code: IDA641600001
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additional property: CopyrightStatus
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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: 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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa90b6d4ba7fa3bde66599f8b284c4e78ab335e9318a3d854d74464cf48efe826. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/IDA641600001.
  date published: 2026-06-13T12:47:07Z
audio: Bernafas Tanpamu
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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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Tak Pernah Ternilai
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duration: PT4M15S
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  type: MusicAlbum
  date published: 2017-10-19
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additional property: CopyrightStatus
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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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  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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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 0x9ae53785c1f86563cf407d1ab1fd20d1f1fc0dbfe62bc26ac17fc0752f9b69fc. 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/IDA641600025.
  date published: 2026-06-13T15:41:10Z
audio: Tak Pernah Ternilai
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  additional property: Key Name
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Duka
type: MusicRecording
duration: PT5M24S
duration ms: 324649
explicit: false
by artist: Last Child
in album: Surat Cinta Untuk Starla
  type: MusicAlbum
  date published: 2017-10-19
isrc code: IDA641600080
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additional property: OTSHash
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  value: 953513
additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
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: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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  value: 953513
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 0xbe7ce1b9672fce42cb76e9c91fcd5cd83a2a6d5eda3ad7e1b28096b6251c6b51. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/IDA641600080.
  date published: 2026-06-13T12:47:07Z
audio: Duka
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  additional property: Danceability
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Dunia Untukmu
type: MusicRecording
duration: PT3M18S
duration ms: 198243
explicit: false
by artist: Last Child
in album: Surat Cinta Untuk Starla
  type: MusicAlbum
  date published: 2017-10-19
isrc code: IDA641700105
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSHash
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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: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
  type: PropertyValue
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8afe18522d2327ce8185abc772a1a10597eb1f1a4f5c540c97dd549a3c3a3016. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/IDA641700105.
  date published: 2026-06-13T12:47:07Z
audio: Dunia Untukmu
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  additional property: Tempo (BPM)
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