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 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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3173006d2c11ce1a77362c9f4e8874afc4996b0cf25897ed4e3321585bb6fa9c. 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/f0a54482-dabd-4615-869d-af0373c66665.json and https://artists.proofprofile.net/proofs/artist/f0a54482-dabd-4615-869d-af0373c66665.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 → 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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe06ea306cfbdee552069525addb4a8f969085f53661a2c48f5efb001c0ba49e5. 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/QZTAW2328333.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcafb80980b42c0c68a135280bc5a874e9e46fa9d5074acd05960f136ab6c3947. 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/LVL152400414.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3acfa647fdbf8170ac9864f8bd4eef3c610b370e2ccda223f0df5f77b410ad8c. 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/QZMEM2314319.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac39528fc5816f8118626ad969e5d944fdf65e6d8385ed8065fe74ca1ae3f2f9. 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/LVL152400413.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ae2e516e0305885858b2b05110aa7ba3edf090dfa82669b8aafa428b21c3523. 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/QZES72368112.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0af3264cd16fedddd8bdfcab6f90f1e438922578b543d6b2db2dd54b3664ffc. 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/LVL152400412.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf602b91dda18b6bdfab2f6e153efd1d72e0f734f2d6826d92bcb19de342dd64d. Chain 2 (Bitcoin): anchored in block 959159 (2026-07-22T20:39:09Z), 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/LVL152400411.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe347ee119d1e38e0c330c4bc85b04e4d1690e005d258dc4ab6671e13b8acb656. Chain 2 (Bitcoin): anchored in block 959155 (2026-07-22T19:27:01Z), 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/LVL152400410.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdfef12321104f2af179a6cd6df39e97fc70fb7f56a82cbe0e076940ff5c9d7c5. Chain 2 (Bitcoin): anchored in block 959137 (2026-07-22T16:42:22Z), 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/LVL152400407.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8e170acdc1210e38b9f8d59fff6d8547c1747d2938b731babba6a2e2c0e1d43. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/LVUM72400032.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7650134d52c94435c6342c028b2537b4214a2279f91123f0103abb368ecb0120. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/LVUM72400030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a128f947b1183b6750ecb33f7190ed094e079f9a9a6618bae4f2b00400103ed. 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/LVUM72300022.
Pēdējais piliens ft. xantikvariāts, Wiesulis (Remix)
Pēdējais piliens ft. xantikvariāts, Wiesulis - Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41995c6f854ffd85d1b0cb1f122bbd432bc1b10aa7b185852b84bbeb5cfdea6f. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/LVUM72300005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2b77984f88fdf7b8f9f5eb96d3ea836cddb2ab54417917217374726dd36b875. 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/FIUM72200379.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x83a14357dc01766fdfb203d47535b16c7c9f222208bede1b496d00ca195f3a05. 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/FIUM72200380.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0183a61088ebe899543b855520f4f8f0dd3a45d25eba2309e713e6e0ee9865ab. Chain 2 (Bitcoin): anchored in block 959114 (2026-07-22T08:41:42Z), 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/FIUM72200381.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5cfb5ed830416a89dfcd57c961c02fc6a31cfc09589177d03c911c6667271b2d. 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/FIUM72200382.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee5c8aa89066064a64773a26b458356400897c1adbc76ee982eb70e87fd4e466. 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/FIUM72200383.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0e94e218f88a03582c6931ab9b7d2ddb3ba6262654c9888b0fa20c7ad610429. 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/LVL152501301.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01e063c560992c24ec6b1310bb8e2d7fb5a8616acacd6aee3e5c63f326b68071. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/LVL152501309.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2b716171db5b72b0d5e095e597ab028ca55960c843d8dafdc0b357718375d9b. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/LVL152403782.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c04d032c07b9a4a3a8d8e1212cf2f9455d9daee81a72100ed602e4168f09408. 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/LVL152501306.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa107b449a38713246dacff13fd2d08dd57ad3616d27bf66e6320cd6f222517ce. 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/LVL152501310.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15037aceed9de800b34373381e79a1fc8c3aeb9d6001192e72520df9dce09819. 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/LVL152501307.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36ce7df8c88b5d20885c00fde2da050e4baba3f199d9a2c6f493d7c673eeab4a. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/LVL152501299.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45f16d39f4e87c97ecf0dea2a930e0edd39b282463b9e55b2a7b8bae115f3c8c. 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/LVL152501303.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0101ccaa3b2b5d1601961789a30544400aa251eee14f2ba22e2c62351891d2bb. 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/LVL152501308.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00393525fe3f2f202be5ee4c7f04a392ec4e0e0801ae100cf2def21c052a6a84. 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/LVL152500680.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc9e2cdc112abf087f4965a13b486571910c596fa358d1196b201b774a91bee1. 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/LVL152501304.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d083572ec558a0f3638ceaeea2573109f4628418b6c9d8363ee657a6f2c3e8d. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/LVL152501302.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e8a70d21e2a3c2e5a39a1b17f41cbea482b1556852ced2ca1d79ecd538a98b4. 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/LVL152501305.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x66d9ccceaba185b37fc6741aada62ac7aed88ec2d73de2b9fb5e6cafa8c3cc21. 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/LVL152501300.