Semma
type: MusicGroup
description: SEMMA is an acronym that stands for Sample, Explore, Modify, Model, and Assess. It is a list of sequential steps developed by SAS Institute, one of the largest producers of statistics and business in
popularity: 14
followers: 1430
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1bed20b72002bad0459b7f29dfeb30011a17d67804fde42676104f327a833fb8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953596
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953596
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/0a00cef5-f5eb-491c-b552-4ef4dabe8192.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/0a00cef5-f5eb-491c-b552-4ef4dabe8192.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/0a00cef5-f5eb-491c-b552-4ef4dabe8192
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T06:21:39Z
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 0x1bed20b72002bad0459b7f29dfeb30011a17d67804fde42676104f327a833fb8. Chain 2 (Bitcoin): anchored in block 953596 (2026-06-14T06:21:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0a00cef5-f5eb-491c-b552-4ef4dabe8192.json and https://artists.proofprofile.net/proofs/artist/0a00cef5-f5eb-491c-b552-4ef4dabe8192.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T06:21:39Z
album: Cut The Rope
  type: MusicAlbum
  date published: 2015-08-21
album: Cut The Rope
  type: MusicAlbum
  date published: 2015-08-21
album: Nude
  type: MusicAlbum
  date published: 2016-10-28
album: Nude
  type: MusicAlbum
  date published: 2016-10-28
album: Bittersweet
  type: MusicAlbum
  date published: 2019-03-06
album: Bittersweet
  type: MusicAlbum
  date published: 2019-03-06
album: Bittersweet
  type: MusicAlbum
  date published: 2019-03-06
album: My Boy
  type: MusicAlbum
  date published: 2019-03-27
album: My Boy
  type: MusicAlbum
  date published: 2019-03-27
album: My Boy
  type: MusicAlbum
  date published: 2019-03-27
album: Ribbons & Bows
  type: MusicAlbum
  date published: 2019-03-29
album: Ribbons & Bows
  type: MusicAlbum
  date published: 2019-03-29
album: Ribbons & Bows
  type: MusicAlbum
  date published: 2019-03-29
album: Salty
  type: MusicAlbum
  date published: 2024-05-10
  track: Salty
album: Honeycomb
  type: MusicAlbum
  date published: 2024-08-16
album: Lonely Ride
  type: MusicAlbum
  date published: 2025-03-21
album: Lonely Ride
  type: MusicAlbum
  date published: 2025-03-21
album: Lonely Ride (Maxi Single)
  type: MusicAlbum
  date published: 2025-07-11

Salty
type: MusicRecording
duration: PT4M2S
duration ms: 242666
explicit: false
by artist: Semma
in album: Salty
  type: MusicAlbum
  date published: 2024-05-10
isrc code: USYBL2400691
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T10:24:51+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x098d03924b3e5864a8988b7839adb8617b922c0e9c355561f41fdce8a9f514c7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USYBL2400691
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
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: 956304
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 0x098d03924b3e5864a8988b7839adb8617b922c0e9c355561f41fdce8a9f514c7. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/USYBL2400691.
  date published: 2026-07-02T03:55:08Z
audio: Salty
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 111.216
  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: 0.642
  additional property: Energy
    type: PropertyValue
    value: 0.722
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.032
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.401
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.219
  additional property: Loudness (dB)
    type: PropertyValue
    value: -8.91
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major