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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d3b04d9c6434851073c4627ea459ae0779157081f7caa350e4e307e11caf666. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3e6bcf04-3fae-4a9c-8111-ec56c07745f5.json and https://artists.proofprofile.net/proofs/artist/3e6bcf04-3fae-4a9c-8111-ec56c07745f5.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Virtuelles Gassi gehen 2: Kühe, Natur und ruhige Musik (gegen Knallgeräusche)
Entspannung für nervösen Hund: Spezielle beruhigende Klänge & Musik (gegen Knallgeräusche, Knalltrauma Hund)
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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3781caf8ee9c1efd2f3f1b78243a93d8029e4378e5a4a99c5bc51b12bbfc9164. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/DELD92300564.
Virtuelles Gassi gehen 4: Vom Wald zum See mit ruhiger Musik (auch bei Knalltrauma Hund)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1549eefa902e5dd101139fd602b7eedbeb8113faaece5c8ac5291c361871adb. Chain 2 (Bitcoin): anchored in block 957056 (2026-07-07T15:15:30Z), 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/DELD92300566.
Virtuelles Gassi gehen 6: Naturgeräusche Wiese und ruhige Musik (auch gegen Knallgeräusche)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd62bd953dbf1057e2810e042b9901cc6cb6701ab67349d11e4024f198e03a345. 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/DELD92300568.
Breites Meeresrauschen & sanftes Piano für Hund und Frauchen/Herrchen
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7b2fcce9b8a8a64b1310fc1c204888ec586b6bfd4e99863e32f633b8c82f00a. 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/DELD92300571.
Wiederkehrende ruhige Musik mit Pausen für nervösen Hund
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x90febb3abbc2a8fe242a20f5d51e4c8c8f6d6dfe760b4c1f2685747323cc7a42. 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/DELD92300573.
Entspannung für Hunde - Spülmaschinengeräusch & sanfte Piano Klänge, zur Ruhe Kommen, keine Hohen Frequenzen über 16 kHz
Hunde Entspannung - Beruhigende Naturgeräusche & Entspannungsmusik für den Hund, gegen Stress (keine hohen Töne)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x778f00c3609267cb8bd5d0661ef94f78d0720eaa99210a429f3f97b9fa0188a6. 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/DELD92101330.
Heilende Frequenzen: Naturgeräusche Wald, Wiese, Vogelstimmen und beruhigende Musik, keine hohen Frequenzen
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb4b1238f6d5209071c5e2f554276abecd8760a181d7ba943fbe5a2d9dd90ed0. 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/DELD92101331.
Heilende Frequenzen: Träumen, Naturgeräusche Wald, Wiese, Vogelstimmen und ruhige Musik, keine hohen Frequenzen
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d9b77a501c8a51412b78de28abd091dae0ce5f691751652d696a56bd6041f30. 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/DELD92101332.
Heilende Frequenzen: Hund alleine zu Hause, Naturgeräusche und ruhige Musik, keine hohen Frequenzen
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1012ef0fd1f304862a8afa1c70eeda04e5d40294287073f43bea3415fc3f9fe5. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/DELD92101333.
Klänge für den Hund alleine zu Hause: Naturgeräusche und ruhige Musik, keine hohen Frequenzen
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x614ca90fc5bdf3a0bcc02e0fe87a9b695c5c512ee7b55bcdda435ad612944150. 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/DELD92101334.
Ruhige Klänge für den Stadthund: Heilende Frequenzen, Waldstimmen, sanfte Musik, frequenzreduziert
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c8a66e7881d741180b4cf35e25a0b0a1fc7a6faabb6a8f0dcefed4959bbffd7. 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/DELD92101335.
Virtuelles Gassi gehen 1: Naturgeräusche & Musik zum Beruhigen (gegen Knallgeräusche)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf040f1d4608011adcab7ebc58a7f11d255e5351bebbf864565d0600c308df79c. Chain 2 (Bitcoin): anchored in block 960099 (2026-07-29T11:30:20Z), 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/DELD92300563.
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
Virtuelles Gassi gehen 3: Wald und ruhige Musik (gegen Knalltrauma Hund)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96ad529b224c41ef589dc0e82e9eaaf6a78d8ea7034b06f751bd1fd43056e923. Chain 2 (Bitcoin): anchored in block 960095 (2026-07-29T11:07:37Z), 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/DELD92300565.
Virtuelles Gassi gehen 5: Am See, Gänse, sanfte Musik (gegen Knallgeräusche Hund)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7553d76ad0248014d8d3dfe3fdddb92c7914a87cc9a5ae2e3eca4636ac71887f. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/DELD92300567.
Virtuelles Gassi gehen 7: Regengeräusch und ruhige Musik (gegen Knallgeräusche Hund)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ce380b9a8a5c78ca63e1d711496cfd58cf213fc72944f0dea9117752ff220d0. Chain 2 (Bitcoin): anchored in block 960164 (2026-07-29T23:23:05Z), 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/DELD92300569.
Virtuelles Gassi gehen 8: Naturgeräusche und sanfte Musik (gegen Knalltrauma Hund)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8797ae96ae228b4989c2f8fc0dd5afccecdaa181dc103133a31d180ea0dc06c. Chain 2 (Bitcoin): anchored in block 960121 (2026-07-29T15:22:21Z), 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/DELD92300570.
Beruhigende Musik mit Wasserplätschern Hund (gegen Knalltrauma, keine hohen Frequenzen)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcfc37c003334ef9194adc2a7fae8aa2655f0c35ee96b991cc4f69a918dc0ebba. Chain 2 (Bitcoin): anchored in block 960145 (2026-07-29T21:13:37Z), 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/DELD92300572.
Entspannungsmusik Hund und wiederkehrende Wellengeräusch (keine hohen Frequenzen)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5bd0cfeafec59116937af2bde4033adf4d950eb51ed03789ca45834da3958d17. Chain 2 (Bitcoin): anchored in block 960117 (2026-07-29T14:28:24Z), 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/DELD92300574.
Breites Meeresrauschen & sanfte Musik für Hund gegen Knallgeräusche
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39de8006a4cbe090f3156382f5adebec810873663f9923dd236a521436280f3d. Chain 2 (Bitcoin): anchored in block 960117 (2026-07-29T14:28:24Z), 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/DELD92300575.
Breites Meeresrauschen & Schlafmusik Hund (auch bei Knalltrauma)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef121ccc6d9842419acf2e3ea8ff61629480aef108e312b82eb10d45d5662502. Chain 2 (Bitcoin): anchored in block 960150 (2026-07-29T21:51:49Z), 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/DELD92300576.