Kassar
type: MusicGroup
genre: arabic rap
genre: egyptian hip hop
description: Kassar is an Arabic surname with two distinctive and different pronunciation and meaning, as قصار (with the qaf) or كسار (with the kaf). It may also carry the definite article as Al Kassar (being القص
popularity: 23
followers: 64056
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9520e89a65f7f770cb3756df5e14735e06364c4c8c1da1e6288f9a1b3bd9945b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/dfff1944-b550-4195-9cfe-a865451fecb1.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/dfff1944-b550-4195-9cfe-a865451fecb1.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/dfff1944-b550-4195-9cfe-a865451fecb1
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
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 0x9520e89a65f7f770cb3756df5e14735e06364c4c8c1da1e6288f9a1b3bd9945b. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/dfff1944-b550-4195-9cfe-a865451fecb1.json and https://artists.proofprofile.net/proofs/artist/dfff1944-b550-4195-9cfe-a865451fecb1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T21:20:00Z
album: El Khatem
  type: MusicAlbum
  date published: 2019
album: Mawaweel
  type: MusicAlbum
  date published: 2019-01-17
album: Nos Donia
  type: MusicAlbum
  date published: 2019-02-02
album: 7 El Sobh
  type: MusicAlbum
  date published: 2019-02-06
album: Heiba
  type: MusicAlbum
  date published: 2019-02-08
album: Tarahat
  type: MusicAlbum
  date published: 2019-02-18
album: Ya Malazy
  type: MusicAlbum
  date published: 2019-06-18
album: Ya Malazy
  type: MusicAlbum
  date published: 2019-06-19
album: Ya Malazy
  type: MusicAlbum
  date published: 2019-06-19
album: Yally Ghayeb
  type: MusicAlbum
  date published: 2019-06-27
  track: Yally Ghayeb
    type: MusicRecording
    duration: PT3M11S
    duration ms: 191892
    explicit: false
    by artist: Kassar
    in album: Yally Ghayeb
      type: MusicAlbum
      date published: 2019-06-27
    genre: arabic rap
    genre: egyptian hip hop
    isrc code: QZ4UU2000618
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-18T10:14:59+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x3b228b61ee96d62f6970ae7b862726a783f9113cdb405190a41c83c8a7cf301c
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958543
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958543
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ4UU2000618
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-18T11:58:44Z
    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
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b228b61ee96d62f6970ae7b862726a783f9113cdb405190a41c83c8a7cf301c. Chain 2 (Bitcoin): anchored in block 958543 (2026-07-18T11:58:44Z), 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/QZ4UU2000618.
      date published: 2026-07-18T11:58:44Z
    audio: Yally Ghayeb
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 111.899
      additional property: Musical Key
        type: PropertyValue
        value: 3
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.698
      additional property: Energy
        type: PropertyValue
        value: 0.476
      additional property: Speechiness
        type: PropertyValue
        value: 0.027
      additional property: Acousticness
        type: PropertyValue
        value: 0.262
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.114
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.167
      additional property: Loudness (dB)
        type: PropertyValue
        value: -5.185
      additional property: Key Name
        type: PropertyValue
        value: Eb
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Yally Ghayeb
  type: MusicAlbum
  date published: 2019-06-27
album: Yally Ghayeb
  type: MusicAlbum
  date published: 2019-06-28
album: Yally Ghayeb
  type: MusicAlbum
  date published: 2019-06-28
album: Ma Balaha
  type: MusicAlbum
  date published: 2019-07-04
album: Tarahat
  type: MusicAlbum
  date published: 2019-07-04
album: Himnos
  type: MusicAlbum
  date published: 2019-07-11
album: La Teoudy
  type: MusicAlbum
  date published: 2019-07-22
  track: La Teoudy
    type: MusicRecording
    duration: PT3M0S
    duration ms: 180876
    explicit: false
    by artist: Kassar
    in album: La Teoudy
      type: MusicAlbum
      date published: 2019-07-22
    genre: arabic rap
    genre: egyptian hip hop
    isrc code: QZ4UU2000615
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-17T07:06:31+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x65819617a260e580cf88d2ac1b0a97a8d660d14ae4b9aa05789273f900f556ae
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958388
    additional property: OTSBitcoinBlockVerifyURL
    additional property: OTSVerificationAPI
    additional property: OTSTimestamp
    additional property: OTSVerifyInstructions
    subject of: OpenTimestamps Proof of Existence
    audio: La Teoudy
album: Doury
album: Ghorbal
album: Reesh
album: Akmary
album: Fe Khayaly
album: Leila Men Laialy
album: One Night
album: Bt3md El Aza
album: Hash
album: 3ala Kafy
album: Rahn El Sama
album: Shayba (Ben El Sama Wel Ard)
album: Akrab Mn El Wareed
album: Edit
album: Sa3a W Sa3a
album: Law Kan Elleel
album: Ya Bahr
album: Sho Feny
album: Sotra
album: Akher Leila
album: La Malama
album: Fe Terhalk
album: Tarateel (Himnos)
album: Allali
album: ALLALI
album: Law 8ab
album: Law 8ab (Kassar)
album: Ma Balaha II
album: Bla Saya7
album: Allil
album: Mar7ab Ya Sedy
album: Karamat
album: Mashy
album: Top El Top
album: Kan haly
album: 3arafa
album: Mashya Zak
album: 7AQY SAY7
album: CAI
album: Sabba7 Sabba7 (صبح صبح)
album: Msh Fahem Haga
album: Zeyafa
album: Yom El Eid
album: 3n El Liel
album: 3n El liel

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/958388

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ4UU2000615

OTSTimestamp
type: PropertyValue
value: 2026-07-17T09:14:21Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65819617a260e580cf88d2ac1b0a97a8d660d14ae4b9aa05789273f900f556ae. Chain 2 (Bitcoin): anchored in block 958388 (2026-07-17T09:14:21Z), 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/QZ4UU2000615.
date published: 2026-07-17T09:14:21Z

La Teoudy
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 140.027
additional property: Musical Key
  type: PropertyValue
  value: 0
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.724
additional property: Energy
  type: PropertyValue
  value: 0.383
additional property: Speechiness
  type: PropertyValue
  value: 0.081
additional property: Acousticness
  type: PropertyValue
  value: 0.726
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.093
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.422
additional property: Loudness (dB)
  type: PropertyValue
  value: -7.12
additional property: Key Name
  type: PropertyValue
  value: C
additional property: Mode Name
  type: PropertyValue
  value: Minor

La Teoudy
type: MusicAlbum
date published: 2019-07-22

La Teoudy
type: MusicAlbum
date published: 2019-07-22

Doury
type: MusicAlbum
date published: 2019-08-02

Ghorbal
type: MusicAlbum
date published: 2019-08-02

Reesh
type: MusicAlbum
date published: 2019-09-08

Yally Ghayeb
type: MusicAlbum
date published: 2019-09-21

Akmary
type: MusicAlbum
date published: 2019-09-21

Fe Khayaly
type: MusicAlbum
date published: 2019-12-08

Mawaweel
type: MusicAlbum
date published: 2020-01-16

Mawaweel
type: MusicAlbum
date published: 2020-01-17
track: Mawaweel
  type: MusicRecording
  duration: PT3M30S
  duration ms: 210036
  explicit: false
  by artist: Kassar
  in album: Mawaweel
    type: MusicAlbum
    date published: 2020-01-17
  genre: arabic rap
  genre: egyptian hip hop
  isrc code: QZ4UU2000080
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T16:59:31+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd961ea7e049ea528b09b9672ab9b65285bcaa93e9ed44a29245f96304c52b367
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956826
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956826
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ4UU2000080
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T19:27:56Z
  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
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd961ea7e049ea528b09b9672ab9b65285bcaa93e9ed44a29245f96304c52b367. 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/QZ4UU2000080.
    date published: 2026-07-05T19:27:56Z
  audio: Mawaweel
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 126.083
    additional property: Musical Key
      type: PropertyValue
      value: 10
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.67
    additional property: Energy
      type: PropertyValue
      value: 0.248
    additional property: Speechiness
      type: PropertyValue
      value: 0.048
    additional property: Acousticness
      type: PropertyValue
      value: 0.689
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.12
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.408
    additional property: Loudness (dB)
      type: PropertyValue
      value: -12.802
    additional property: Key Name
      type: PropertyValue
      value: Bb
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Mawaweel
type: MusicAlbum
date published: 2020-01-17

Mawaweel
type: MusicAlbum
date published: 2020-01-17

Leila Men Laialy
type: MusicAlbum
date published: 2020-03-02

One Night
type: MusicAlbum
date published: 2020-03-02

Bt3md El Aza
type: MusicAlbum
date published: 2020-03-11

Hash
type: MusicAlbum
date published: 2020-03-24

3ala Kafy
type: MusicAlbum
date published: 2020-03-31

Rahn El Sama
type: MusicAlbum
date published: 2020-04-07

Shayba (Ben El Sama Wel Ard)
type: MusicAlbum
date published: 2020-04-12

Akrab Mn El Wareed
type: MusicAlbum
date published: 2020-08-10

Akrab Mn El Wareed
type: MusicAlbum
date published: 2020-08-10

Edit
type: MusicAlbum
date published: 2020-08-10

Sa3a W Sa3a
type: MusicAlbum
date published: 2020-08-18

Sa3a W Sa3a
type: MusicAlbum
date published: 2020-08-18
track: Sa3a W Sa3a
  type: MusicRecording
  duration: PT3M59S
  duration ms: 239772
  explicit: false
  by artist: Kassar
  in album: Sa3a W Sa3a
    type: MusicAlbum
    date published: 2020-08-18
  genre: arabic rap
  genre: egyptian hip hop
  isrc code: QZ4UU2001288
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T12:48:47+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb9b57876cfd41acf9d9133199f5577e24075f2215948ba135b9985f9f8e5589a
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956725
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956725
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ4UU2001288
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T01:12:41Z
  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
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb9b57876cfd41acf9d9133199f5577e24075f2215948ba135b9985f9f8e5589a. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/QZ4UU2001288.
    date published: 2026-07-05T01:12:41Z
  audio: Sa3a W Sa3a
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 70.658
    additional property: Musical Key
      type: PropertyValue
      value: 3
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 1
    additional property: Danceability
      type: PropertyValue
      value: 0.27
    additional property: Energy
      type: PropertyValue
      value: 0.368
    additional property: Speechiness
      type: PropertyValue
      value: 0.036
    additional property: Acousticness
      type: PropertyValue
      value: 0.615
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.084
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.277
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.649
    additional property: Key Name
      type: PropertyValue
      value: Eb
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Law Kan Elleel
type: MusicAlbum
date published: 2020-09-10

Ya Bahr
type: MusicAlbum
date published: 2020-09-10

Law Kan Elleel
type: MusicAlbum
date published: 2020-09-10

Sho Feny
type: MusicAlbum
date published: 2020-10-14

Sho Feny
type: MusicAlbum
date published: 2020-10-14

Sotra
type: MusicAlbum
date published: 2020-11-03

Ya Malazy
type: MusicAlbum
date published: 2021-01-17
track: Ya Malazy
  type: MusicRecording
  duration: PT3M14S
  duration ms: 194844
  explicit: false
  by artist: Kassar
  in album: Ya Malazy
    type: MusicAlbum
    date published: 2021-01-17
  genre: arabic rap
  genre: egyptian hip hop
  isrc code: QZ4UU1901214
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T19:12:46+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x2132db07e37f874961e5d0f95dedbab646f77d0c6246be3e5fdb652525893b7f
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956728
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956728
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ4UU1901214
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T01:43:49Z
  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
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2132db07e37f874961e5d0f95dedbab646f77d0c6246be3e5fdb652525893b7f. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/QZ4UU1901214.
    date published: 2026-07-05T01:43:49Z
  audio: Ya Malazy
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 173.941
    additional property: Musical Key
      type: PropertyValue
      value: 1
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.635
    additional property: Energy
      type: PropertyValue
      value: 0.428
    additional property: Speechiness
      type: PropertyValue
      value: 0.195
    additional property: Acousticness
      type: PropertyValue
      value: 0.413
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.106
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.357
    additional property: Loudness (dB)
      type: PropertyValue
      value: -7.069
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Major

Akher Leila
type: MusicAlbum
date published: 2021-01-17

La Malama
type: MusicAlbum
date published: 2021-02-02

Fe Terhalk
type: MusicAlbum
date published: 2021-03-05

Fe Terhalk
type: MusicAlbum
date published: 2021-03-05

Tarateel (Himnos)
type: MusicAlbum
date published: 2021-03-05

Fe Terhalk
type: MusicAlbum
date published: 2021-03-05

Fe Terhalk
type: MusicAlbum
date published: 2021-03-05

Allali
type: MusicAlbum
date published: 2021-04-12

ALLALI
type: MusicAlbum
date published: 2021-04-12

Law 8ab
type: MusicAlbum
date published: 2021-06-27

Law 8ab (Kassar)
type: MusicAlbum
date published: 2021-06-28

Law 8ab
type: MusicAlbum
date published: 2021-06-28

Ma Balaha II
type: MusicAlbum
date published: 2021-07-07

Hash
type: MusicAlbum
date published: 2021-07-11

Bla Saya7
type: MusicAlbum
date published: 2021-07-20

Allil
type: MusicAlbum
date published: 2021-08-25

Mar7ab Ya Sedy
type: MusicAlbum
date published: 2021-10-08

Karamat
type: MusicAlbum
date published: 2021-11-10

Karamat
type: MusicAlbum
date published: 2021-11-10

Mashy
type: MusicAlbum
date published: 2021-12-16

Top El Top
type: MusicAlbum
date published: 2022-03-10

Kan haly
type: MusicAlbum
date published: 2022-03-25

Kan haly
type: MusicAlbum
date published: 2022-03-25

3arafa
type: MusicAlbum
date published: 2022-05-18
track: 3arafa
  type: MusicRecording
  duration: PT3M28S
  duration ms: 208620
  explicit: false
  by artist: Kassar
  in album: 3arafa
    type: MusicAlbum
    date published: 2022-05-18
  genre: arabic rap
  genre: egyptian hip hop
  isrc code: LBA0H2004394
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T03:19:49+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x9ea98911ec047a96c34cc7917b5ca2f8790cad005292b2c9b40a418d48978772
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956772
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956772
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/LBA0H2004394
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T10:01:46Z
  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
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ea98911ec047a96c34cc7917b5ca2f8790cad005292b2c9b40a418d48978772. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/LBA0H2004394.
    date published: 2026-07-05T10:01:46Z
  audio: 3arafa
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 161.921
    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.553
    additional property: Energy
      type: PropertyValue
      value: 0.425
    additional property: Speechiness
      type: PropertyValue
      value: 0.062
    additional property: Acousticness
      type: PropertyValue
      value: 0.115
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.124
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.183
    additional property: Loudness (dB)
      type: PropertyValue
      value: -10.661
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major

3arafa
type: MusicAlbum
date published: 2022-05-18

Mashya Zak
type: MusicAlbum
date published: 2022-06-09

7AQY SAY7
type: MusicAlbum
date published: 2022-07-28

Mashya Zak
type: MusicAlbum
date published: 2022-08-13

CAI
type: MusicAlbum
date published: 2022-09-05

Sabba7 Sabba7 (صبح صبح)
type: MusicAlbum
date published: 2022-10-29

Msh Fahem Haga
type: MusicAlbum
date published: 2023-03-03

Msh Fahem Haga
type: MusicAlbum
date published: 2023-03-15

Zeyafa
type: MusicAlbum
date published: 2023-06-08

Yom El Eid
type: MusicAlbum
date published: 2023-06-28

3n El Liel
type: MusicAlbum
date published: 2024-01-06

3n El liel
type: MusicAlbum
date published: 2024-01-06

Wady 7aly
type: MusicAlbum
date published: 2024-08-01

Salamat
type: MusicAlbum
date published: 2024-10-13

Salamat
type: MusicAlbum
date published: 2024-10-13

3ood
type: MusicAlbum
date published: 2024-11-24

3ood
type: MusicAlbum
date published: 2024-11-24
track: 3ood
  type: MusicRecording
  duration: PT3M16S
  duration ms: 196388
  explicit: false
  by artist: Kassar
  in album: 3ood
    type: MusicAlbum
    date published: 2024-11-24
  genre: arabic rap
  genre: egyptian hip hop
  isrc code: EGWKS2430359
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T22:53:24+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xdd8d0afdccfb976c290b84d60bbd778e27c4a11e074a75426b69775c31a540b4
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956857
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956857
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/EGWKS2430359
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-06T01:26:17Z
  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
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd8d0afdccfb976c290b84d60bbd778e27c4a11e074a75426b69775c31a540b4. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/EGWKS2430359.
    date published: 2026-07-06T01:26:17Z
  audio: 3ood
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 108.358
    additional property: Musical Key
      type: PropertyValue
      value: 6
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.577
    additional property: Energy
      type: PropertyValue
      value: 0.314
    additional property: Speechiness
      type: PropertyValue
      value: 0.049
    additional property: Acousticness
      type: PropertyValue
      value: 0.894
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.16
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.335
    additional property: Loudness (dB)
      type: PropertyValue
      value: -10.95
    additional property: Key Name
      type: PropertyValue
      value: F#
    additional property: Mode Name
      type: PropertyValue
      value: Major

لفوا ودوروا
type: MusicAlbum
date published: 2024-12-26

لفوا ودوروا
type: MusicAlbum
date published: 2024-12-26

تاني يوم
type: MusicAlbum
date published: 2025-02-20
track: تاني يوم
  type: MusicRecording
  duration: PT2M49S
  duration ms: 169846
  explicit: false
  by artist: Kassar
  in album: تاني يوم
    type: MusicAlbum
    date published: 2025-02-20
  genre: arabic rap
  genre: egyptian hip hop
  isrc code: EGWKS2558266
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T00:01:00+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa960a41491b92411fe193d4a099a96f535fc193308dcc9524c24ca236fbe7a31
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956422
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956422
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/EGWKS2558266
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-03T01:01:38Z
  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
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa960a41491b92411fe193d4a099a96f535fc193308dcc9524c24ca236fbe7a31. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), 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/EGWKS2558266.
    date published: 2026-07-03T01:01:38Z
  audio: تاني يوم
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 129.913
    additional property: Musical Key
      type: PropertyValue
      value: 11
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.527
    additional property: Energy
      type: PropertyValue
      value: 0.568
    additional property: Speechiness
      type: PropertyValue
      value: 0.034
    additional property: Acousticness
      type: PropertyValue
      value: 0.448
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.094
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.356
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.232
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Minor