1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1506eab72cf3112eb8da2e6c362cf0c064fbaa89940b911782229fa7f714572. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/590a156a-bae8-402d-98eb-1c990258c725.json and https://artists.proofprofile.net/proofs/artist/590a156a-bae8-402d-98eb-1c990258c725.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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 → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0cbcaf73efa0d0b2d0f3c6f580e0c0f78403124d814e1c8eb6f078d28b57dca. Chain 2 (Bitcoin): anchored in block 958203 (2026-07-15T23:37:03Z), 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/CZA168400138.
Všichni jsou už v Mexiku (They All Went To Mexico)
Chtěl bych být medvídkem (The Teddy Bear Song)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ee94a23f44d631948efd6662e383b97d6fbff97720478b31251d799fdd990c6. 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/CZA168600345.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x304ff19daa7da0eaf5e9e3dd980524e6ba2736b15eaba2683ea02cf12d742a40. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/CZA168600346.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x400c9f8147668ade4d803b45fc4909e1ac9ab28a869c4f0a529cff1dacee648c. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/CZA168600026.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ec552eb81a971f5869274e49f3d9b997a4e08db92122ca683523c1181b85cf0. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/CZA168600352.
Každej svou káru táhne zas dál (All The Soft Places To Fall)
V uličkách města Bakersfield (Streets Of Bakersfield)
To je ten poslední song (The Last Cowboy Song)
Rovnou, tady rovnou (Roll On Buddy, Roll On)
Vlak půlnoční (I'm Lonesome I Could Cry)
Michalův song (The Year That Clayton Delaney Died)
Feleena z El Pasa (Feleena From El Paso)
Za chvíli už budu v dáli (Rise And Shine)
Blues folsomské věznice (Folsom Prison Blues)
Dnešní noc bude dlouhá (Soldier's Last Letter)
Jen tohle chci ti říct (Up To Mo Heck In High)
Kočárem mým je vagon uhlí (You're Gonna Change Or I'm Gonna Leave)
V týhle skále mi Bůh domov dal (I Got A Home In That Rock)
Blues Folsomské věznice (Folsom Prison Blues)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13547d74354e85b2af70d8de72ca2494869eabd353f4128d7372bc9bf9f909c0. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/CZA168200012.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b7d3b02040bf187675e3555ef803623db1be470ad169943ee67063c7210a959. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/CZA168200100.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x887006975c3e37b29b479cd5ffbdcc04166e63dfcf4ce0420b345e86fcedfe48. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/CZA168200101.
Vlak půlnoční (I'm So Lonesome I Could Cry)
Rovnou, tady rovnou (Roll On Buddy Roll On)
Blízko Little Big Hornu (Jim Bridger Story)
Sundej z hodin závaží (Help Me Make It Through The Night)
Necekej uz dal (Ribbon of darkness) - Live
Dam sbohem rekam (Goodbye To A River) - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ffdf177da63c22717faaefb280cd4c6a6f1a35cb8b5cf16b50b1e08a3a831b7. 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/CZA167200488.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac2af771bd647d3de5a1b72027fe8420007798835a3961f6510fef5acce25fa8. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/CZA167500464.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf92e44d3431b5e20e22c58a1969e766dc8a3df2b2f0dd55f6e117efa45d5708. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/CZA168000429.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ee1fb753a6aa7ef8e14ab42f1ae1c2b58db4e941163725462dc74192c4249b9. 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/CZA168000433.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc66a2dadc28b60695a7d96bd04b5e0fbed8c971605d0fdac47ec53c031ea7ea5. 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/CZA168100391.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf6eed76fca63489c85ab9e409976d789c1027bf7d0968762aa79bc992672c5a. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/CZA168200707.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce4b06203afa2fa9e9f1913bf8c6b28bd6b3c6de32325c3342f1324b6ef159f1. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/CZA168500014.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x640b012a1a80d5c1de58889e9f2bbb72cb9f3449d20827e2efb8dd5d341a17af. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/CZA168800023.
Slunce sháním (I Built A Wall Around Me)
Jen tohle chci ti říct (Up To My Neck In High Muddy Waters)
Oči pálí a silnice je jak klín černej (My Baby Left Me)
Michalův song (Year That Clayton Delaney Died)
Feleena z El Pasa (Feleena /From El Paso/)
Zpívám písně větru z hor (Any Old Wind That Blows)
Dlouhá černá limuzína (Long Black Limousine)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf434949b5d7272b73a4f1a8a3875a4b1d9a9b777293f6b285649da350b9c9204. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/CZA169400065.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c18bd66db4cc1b2d6ed8b60e4e3ddbeab5f695e0e25f5ba1b6b81425655a22b. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/CZA169400066.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x888c2d184b14d0870384c5567b5aa733df99bbddeb4798ca6389a30c861815cd. 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/CZA169400070.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe01d980b5f488e2b2ce3b9377d10542d5e6249a4d91f8d7360c102cbc517dff1. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/CZA169400002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5ed6494256d34050ff182b5c231421006a7d02e657ede69f0a9316416ed6c1e. Chain 2 (Bitcoin): anchored in block 957075 (2026-07-07T18:50:38Z), 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/CZA169400005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x722cc26d14a43af9670064106c5c1c998fdf42a000bb029499e258aa7f98f7df. Chain 2 (Bitcoin): anchored in block 957075 (2026-07-07T18:50:38Z), 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/CZA169400069.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8df1d28307aac3f4fe16b22cf582475583b7e8e0188d0305201349692d56ccc1. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/CZA169400067.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2353e96950e80b4d6966c765a00933636800c374ae8c8c18125a9c038a3e51e1. 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/CZA168800260.
20. století má na kahánku (The 20th Century Is Almost Over)
Starýho Psa Novým Kouskům Nenaučíš (Bonus Version)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xccde02e14c368ba2c573c023278db5fc8d3f9e2853fd7706d338c1102e80dbb9. 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/CZA168300278.
Super Píseň Pro Super Špatný Den - Bonus
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb997c39fc28f9dd75c85c6ce1c28b870412ec47d4058f2f4728bf1a37d69cffd. Chain 2 (Bitcoin): anchored in block 957766 (2026-07-12T22:25:04Z), 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/CZUM71300333.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x795e2b8f0b78eeaabcce6b7f9a91062ea27b83f4c42c0157da6211ae557e165d. 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/CZA166900485.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9cbe13bb3d814ae313778bbbfe9da04fbcf01108781093ae2d8f1b1d10893598. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/CZA167100436.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x843ead58a8a432b7284521f6585c6203630a11315c195b0bd054a1e100911fc3. 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/CZA167200879.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb11ca57206811fc67264560cb1c56e138a55a59ad047eddef312d4f8c167ceca. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/CZA168000426.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47a6db281e6172e166bdfa6886e464c2698f72a3563fc2695f5baddd45670883. 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/CZA168500076.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa6d5983533c25dadc91469892eb8533a7a19b1aff0234465e4a81830c2e8e34f. 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/CZA168500078.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf10de8e04e9d787ceacadaf6179561b8482176f950f2b7c6d3344ed4d1178a4a. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/CZA168300011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4083fedd973e7029dd448f4375326e73d8d553c578d8d30a2b5971e35e039d00. 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/CZA161003704.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00b80d78e8b7fbca660288f14a89d2a26f645b6bb45ce98b1e2e1a83ba39d3c8. 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/CZA168500081.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64a0908cdf109018a17947f42bb26b7018452f4f01852e07dd533aae406eb66e. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/CZA161003722.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6de7fecea16aa2bd1e52baddeb7d5d20fbb5c461597628145d430523738f74df. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/CZA120008039.
Písničky pro veselé děti a jejich rodiče
Legendární Československé Šlágry - Duety
Check The Czechs! Country Nálada (Zahraniční Songy V Domácích Verzích)