Accu
type: MusicGroup
description: ACCU may refer to: Autodefensas Campesinas de Cordoba y Uraba, a Colombian paramilitary group Accu (battery), a battery that can be restored to full charge by the application of electrical energy A
popularity: 4
followers: 823
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc8c87d780635cdb56a2cde1e4a2efa3be84852a7095961e67938f43b7f6a09fe
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954603
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954603
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c0df1c98-2e84-4170-bc44-ea53866bde23.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c0df1c98-2e84-4170-bc44-ea53866bde23.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/c0df1c98-2e84-4170-bc44-ea53866bde23
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T21:47:54Z
additional property: OTSCanonicalRecord
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 0xc8c87d780635cdb56a2cde1e4a2efa3be84852a7095961e67938f43b7f6a09fe. Chain 2 (Bitcoin): anchored in block 954603 (2026-06-20T21:47:54Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c0df1c98-2e84-4170-bc44-ea53866bde23.json and https://artists.proofprofile.net/proofs/artist/c0df1c98-2e84-4170-bc44-ea53866bde23.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T21:47:54Z
album: Accu
  type: MusicAlbum
  date published: 2002-04-01
album: Love Bunny EP
  type: MusicAlbum
  date published: 2002-04-20
album: Out of the Blue
  type: MusicAlbum
  date published: 2005-11-24
album: Lasso
  type: MusicAlbum
  date published: 2006-03-05
  track: Coupè
  track: Nightfreak
  track: In the City
  track: Rolling
  track: Out of the Blue
album: Nightfreak
  type: MusicAlbum
  date published: 2006-11-29
album: Accumulation EP (Original Mix)
  type: MusicAlbum
  date published: 2012-06-28

Coupè
type: MusicRecording
duration: PT3M45S
duration ms: 225066
explicit: false
by artist: Accu
in album: Lasso
  type: MusicAlbum
  date published: 2006-03-05
isrc code: FIEXC0600006
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T22:54:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x82e0bf8a72dba7dca05df02dd44ffb0eda72bf5e525edb35a2c2673497ffa283
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FIEXC0600006
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41+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
  type: PropertyValue
  value: 957120
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:22:41+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 0x82e0bf8a72dba7dca05df02dd44ffb0eda72bf5e525edb35a2c2673497ffa283. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/FIEXC0600006.
  date published: 2026-07-08T03:53:27Z
audio: Coupè
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 131.633
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.599
  additional property: Energy
    type: PropertyValue
    value: 0.857
  additional property: Speechiness
    type: PropertyValue
    value: 0.067
  additional property: Acousticness
    type: PropertyValue
    value: 0.001
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.838
  additional property: Liveness
    type: PropertyValue
    value: 0.11
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.152
  additional property: Loudness (dB)
    type: PropertyValue
    value: -13.136
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Nightfreak
type: MusicRecording
duration: PT4M34S
duration ms: 274413
explicit: false
by artist: Accu
in album: Lasso
  type: MusicAlbum
  date published: 2006-03-05
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f515db85af16759570cd3b5ec3725a3a8a0064562c040f3f1753cab46ad4968. Chain 2 (Bitcoin): anchored in block 960209 (2026-07-30T05:15:54Z), 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/FIEXC0600002.
  date published: 2026-07-30T05:15:54Z
audio: Nightfreak
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 134.317
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.72
  additional property: Energy
    type: PropertyValue
    value: 0.847
  additional property: Speechiness
    type: PropertyValue
    value: 0.057
  additional property: Acousticness
    type: PropertyValue
    value: 0.009
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.624
  additional property: Liveness
    type: PropertyValue
    value: 0.157
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.568
  additional property: Loudness (dB)
    type: PropertyValue
    value: -10.073
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: FIEXC0600002
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
  type: PropertyValue
  value: 960209
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T05:15:54+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FIEXC0600002
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960209
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960209
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T05:15:54+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

In the City
type: MusicRecording
duration: PT3M57S
duration ms: 237960
explicit: false
by artist: Accu
in album: Lasso
  type: MusicAlbum
  date published: 2006-03-05
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82edfd7d094a8cf687ec3279d2f0a8b9c680a2cde063b4de773b73850a31dcb7. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), 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/FIEXC0500001.
  date published: 2026-07-31T23:30:38Z
audio: In the City
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 129.249
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.732
  additional property: Energy
    type: PropertyValue
    value: 0.685
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.005
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.024
  additional property: Liveness
    type: PropertyValue
    value: 0.031
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.709
  additional property: Loudness (dB)
    type: PropertyValue
    value: -9.839
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: FIEXC0500001
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
  type: PropertyValue
  value: 960478
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T23:30:38+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FIEXC0500001
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960478
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960478
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T23:30:38+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

Rolling
type: MusicRecording
duration: PT4M31S
duration ms: 271240
explicit: false
by artist: Accu
in album: Lasso
  type: MusicAlbum
  date published: 2006-03-05
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe02476bf5134de3f2e8ab7e1dc6deb23d699dce1a2e0816a1729302d20455906. Chain 2 (Bitcoin): anchored in block 960513 (2026-08-01T04:52:22Z), 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/FIEXC0600004.
  date published: 2026-08-01T04:52:22Z
audio: Rolling
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 132.284
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.739
  additional property: Energy
    type: PropertyValue
    value: 0.83
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.022
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.698
  additional property: Liveness
    type: PropertyValue
    value: 0.11
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.646
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.259
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: FIEXC0600004
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
  type: PropertyValue
  value: 960513
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-08-01T04:52:22+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FIEXC0600004
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960513
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-08-01T04:52:22+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

Out of the Blue
type: MusicRecording
duration: PT3M36S
duration ms: 216186
explicit: false
by artist: Accu
in album: Lasso
  type: MusicAlbum
  date published: 2006-03-05
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00edd760ce14600bf24a7195a808afcd3172efa1dc8c62f7d91db2cafa496819. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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/FIEXC0500015.
  date published: 2026-07-31T19:53:13Z
audio: Out of the Blue
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 106.021
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.264
  additional property: Energy
    type: PropertyValue
    value: 0.477
  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0.415
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.062
  additional property: Liveness
    type: PropertyValue
    value: 0.438
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.113
  additional property: Loudness (dB)
    type: PropertyValue
    value: -12.486
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: FIEXC0500015
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
  type: PropertyValue
  value: 960455
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T19:53:13+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FIEXC0500015
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960455
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960455
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T19:53:13+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