Brindha Sivakumar
type: MusicGroup
genre: tamil pop
description: Brindha Sivakumar (born 3 March 1980) is an Indian playback singer and voice artist who works in Tamil-language films. She is the daughter of actor Sivakumar and the younger sister of actors Suriya an
popularity: 16
followers: 180
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf52c1ca08e985bf6a1716ca3a3851acd34a7e520a0cdb9b262065985cc31055b
additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 953750
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953750
additional property: OTSProofURL
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additional property: OTSRecordURL
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  value: https://artists.proofprofile.net/proofs/artist/a9b8fadc-0648-40a1-9db8-dc392e299728.json
additional property: OTSVerificationAPI
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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
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf52c1ca08e985bf6a1716ca3a3851acd34a7e520a0cdb9b262065985cc31055b. Chain 2 (Bitcoin): anchored in block 953778 (2026-06-15T11:57:35Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a9b8fadc-0648-40a1-9db8-dc392e299728.json and https://artists.proofprofile.net/proofs/artist/a9b8fadc-0648-40a1-9db8-dc392e299728.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T11:57:35Z
  text: {"copyright_id":"0xf52c1ca08e985bf6a1716ca3a3851acd34a7e520a0cdb9b262065985cc31055b","name":"Brindha Sivakumar","registered_at":"2026-06-14T22:21:21Z","symbol":"NIM0594432","token_address":"0x59c98e25495cf7de5b41d6bf3c952cfb88aec5c8","type":"artist","uuid":"a9b8fadc-0648-40a1-9db8-dc392e299728"}
album: Kandhavel
  type: MusicAlbum
  date published: 2022-01-18
album: Thiruppam Thanthidum Tirupati
  type: MusicAlbum
  date published: 2024-05-13
album: Vettri Tharum Sri Anjaneya
  type: MusicAlbum
  date published: 2024-05-25
track: Engirundho Vandhaan
track: Mr. Chandramouli Theme

Engirundho Vandhaan
type: MusicRecording
duration: PT5M1S
duration ms: 301538
explicit: false
by artist: Nivas K Prasanna
by artist: Pradeep Kumar
by artist: Brindha Sivakumar
in album: Oh My Dog (Original Motion Picture Soundtrack)
  type: MusicAlbum
  date published: 2022-04-22
genre: tamil-pop
genre: kollywood
isrc code: INS172201447
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: OTSHash
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/INS172201447
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08+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
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-02T03:55:08+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0667379e622d464c1eec3c463c42bffd1bc1d972df80ab77829f4f5b996c805. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/INS172201447.
  date published: 2026-07-02T05:09:12Z
audio: Engirundho Vandhaan
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0.224
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.002
  additional property: Liveness
    type: PropertyValue
    value: 0.089
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.091
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.98
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mr. Chandramouli Theme
type: MusicRecording
duration: PT3M13S
duration ms: 193090
explicit: false
by artist: Sam C.S.
by artist: Brindha Sivakumar
in album: Mr. Chandramouli (Original Motion Picture Soundtrack)
  type: MusicAlbum
  date published: 2018-04-25
genre: filmi
genre: tamil-pop
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x379c91f19fe250dd5879f8b65f0b4464134de5cf8fe11e55fe17b4b9fef9988b. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), 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/INS171801410.
  date published: 2026-07-31T18:48:12Z
audio: Mr. Chandramouli Theme
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 124.814
  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
    type: PropertyValue
    value: 0.425
  additional property: Speechiness
    type: PropertyValue
    value: 0.025
  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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    value: 0.543
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.453
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: INS171801410
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
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  value: 960448
additional property: BitcoinTime
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/INS171801410
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960448
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960448
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T18:48:12+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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch