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 0x8247fac747620378758d694b47dee3cf2a765358c285e58e456908e3135b20fd. 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/e58df3dd-3318-453a-94be-9a0460301967.json and https://artists.proofprofile.net/proofs/artist/e58df3dd-3318-453a-94be-9a0460301967.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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4102261492edf9f4d872a04f765ac2c71cd520b2d92b388189f82e293753abcb. Chain 2 (Bitcoin): anchored in block 956790 (2026-07-20T00:09:46Z), 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/QZES71930192.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59b7c3edab2b5e4a9e9b30c6e90a6f2f143ca6a8362593c298b9d1929c44650a. 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/QZES71930196.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4593d56b8db5b1d34c4a69f9be17b2d1c528a5f68f6c082d5fcc472c055fd713. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T17:49:48Z), 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/QZES71930197.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9de46fca00803359c88181395163709edfabc52f62e202e229627d51f18282a. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), 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/QZES71930212.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85d4165e2582b3a519586b23ab5cfda5c16ee0be93050d2e4911681492ff9bf5. Chain 2 (Bitcoin): anchored in block 958980 (2026-07-21T07:04:12Z), 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/QZES71930221.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c2c0670404ced79bf91f35a9a4dad5b3adb23533f6ff476ad077aa104227b6d. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/QZFZ71990282.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ebf245bc4b74c48c15756b63f8c8e4340ca589ef19241e92c508360cdb7dd7e. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/QZFZ71990283.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe16641eac5011c14905dfa1247aa5158fcbfc13d30776ada202fcef2cf54f64. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/QZFZ71990284.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f89c809d20dd094b16ef13dc000a69781fd9ff6d32f1e8df342b4b22ecf7a14. Chain 2 (Bitcoin): anchored in block 958448 (2026-07-17T19:49:21Z), 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/QZFZ71990285.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8340aab80efd68c5dcab0f0a31b330c08683d92493429d8bcd4f28512ef613b5. 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/QZFZ71990286.
In Dreams Acapella Cover, The Lord of The Rings
Evenstar Acapella Cover, The Lord of The Rings
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb61a255761997a92390813211bff0ae5f2e736d76380c314d4221f2fd9b54044. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/QZHN42234262.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb871021df985f4d6f757d854b6daf06384a1c9cd57d833c85c62f7e657f55f18. Chain 2 (Bitcoin): anchored in block 956790 (2026-07-05T12:31:54Z), 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/QZHNC2277313.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7339082afaf8b8069140e285aa5f1c5351485cdd13eb523f730d16f3fe5df3f. Chain 2 (Bitcoin): anchored in block 958377 (2026-07-17T06:48:00Z), 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/QZHNC2277314.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b6d1d622daf6851330e98c8def34b11f3f8eabae903fc3139e83998e873c4f2. Chain 2 (Bitcoin): anchored in block 958371 (2026-07-17T08:03:35Z), 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/QZK6Q2268927.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a7ee2875e030b72c1a2f3e9faf4c815cf82fe4b1dad66acecd2fbd123892cd2. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), 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/QZK6Q2268928.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30e4239c49181eb1ac98c98e1af03797ab98286135a79d63513aa07bd247664a. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), 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/QZK6Q2268929.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x931709a7a547d4ebb5a65ba756ddeb685e46c29ada3b4cc063f2cd6350997ec4. Chain 2 (Bitcoin): anchored in block 958920 (2026-07-20T21:01:18Z), 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/QZES71930193.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44ee26f0a80bdf15027c9847119aefb183f3b78055db0696c18e1a38c05e3941. Chain 2 (Bitcoin): anchored in block 958422 (2026-07-17T13:35:31Z), 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/QZK6Q2268930.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7339082afaf8b8069140e285aa5f1c5351485cdd13eb523f730d16f3fe5df3f. Chain 2 (Bitcoin): anchored in block 958924 (2026-07-20T21:20:45Z), 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/QZHNC2277314.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1944afc1386029ea05dab2f9f6ed94b28649ea7df70c9804fcc6b12db0dd2300. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/QZK6Q2268931.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e1102375cf429fe1f0b413445ad69fba688689a57fd4e4f06b01ecc980815c4. Chain 2 (Bitcoin): anchored in block 958827 (2026-07-20T07:47:22Z), 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/QZHN32217758.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56205a4dbe92854811e879a46b70ff7ca3be5be87c650e63f7c153bbdbd14d09. 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/QZHN32217756.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85c9237efff5bfaf8000249e4d868dfe095170369cbb35900551997e47ddcd4e. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/QZK6Q2268934.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5168fc3f059ab8a91c040eb2da75c2c934b9653479b9d2d0356ee1368a84736. Chain 2 (Bitcoin): anchored in block 958792 (2026-07-19T22:55:52Z), 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/QZK6Q2268935.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc840a3f368c92d940256b51559adb0ab66f126895a2bf66d595df6f8d71f936. Chain 2 (Bitcoin): anchored in block 958286 (2026-07-16T12:43:37Z), 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/QZMEP2205799.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f7b2f49306807c9a6c1d832336ac5f254d7b5edde3d46c9b8a81a1f9cd2b2e9. Chain 2 (Bitcoin): anchored in block 958194 (2026-07-15T21:59:07Z), 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/QZMEP2283409.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94b5571595de515ea7de0b093733f1ced7a83781bcb96d1554d9480d7d1ee810. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), 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/QZRP52294900.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba5e365393c3f1d48bdbeb33162c3bd66e6ab2634b64d2b2b0dc0f17bfa988b7. Chain 2 (Bitcoin): anchored in block 958798 (2026-07-20T02:33:22Z), 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/QZTAZ2221623.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d3299f9af93f2f5ee52365751fa044bc88622a288513ecd78ec0ee6f803f649. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), 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/DEN172200165.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb21a5a5d3a867f20762d58971847a028a20fcba3ffd39e02e8d8950dcd61a2a6. Chain 2 (Bitcoin): anchored in block 958286 (2026-07-16T12:43:37Z), 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/DEN172102065.
May it Be Acapella Cover, The Lord of The Rings
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaeaed661565758aafdff390cd0f8eab35d964db0919963535e4640fc18687c6c. Chain 2 (Bitcoin): anchored in block 958194 (2026-07-15T22:19:02Z), 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/DEN172404196.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x796f98c23f551ffce83cd7e4d8a7284133517a3444c44b6afad00caacd0a87d3. Chain 2 (Bitcoin): anchored in block 958196 (2026-07-15T20:38:50Z), 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/QZWFT2437904.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06bbb657cc95da446dfa7834001a77d80744a86562cdce4dbd8ed3b4d08d9e7c. Chain 2 (Bitcoin): anchored in block 958110 (2026-07-15T06:57:12Z), 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/DEN172404315.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x84b53a149ee67e21e23b4bfea6e6d509e8b380237b7a20b643009737f304878f. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/DEN172404325.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e07b930e111a4fd8d0d5904f34506a275780af99aa6bfd534999cbb034edb62. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/DEN172404351.