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 0x8030b050006615ba1d25af583a5d4c65552283fc154ccbdc98881ae3c6fbaf79. 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/8b8a0bbd-1e9b-456f-9846-a062bcb2eee2.json and https://artists.proofprofile.net/proofs/artist/8b8a0bbd-1e9b-456f-9846-a062bcb2eee2.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 0x22a5ae26f6689094cd718121fdef4d50cf96bffee530a394ffafb4d58a7eb7ce. 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/GXH2J2562546.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc2f8557bddd750418b6313cf418e3ba7575069469a254ea868c28fee1328d4e. Chain 2 (Bitcoin): anchored in block 959051 (2026-07-21T19:48:03Z), 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/USHM91845299.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4943efad4a6bf25b9151d82ab907c1c4ffd5a7e6aef8fd62d6388b5b36b3fe7b. Chain 2 (Bitcoin): anchored in block 959001 (2026-07-21T11:41:42Z), 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/USHM91845302.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa863f3cba569301f2a57fcaf01816cebe46e4161c1217ad79497f822f1bd834f. 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/USHM91845306.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30ad941494f362f1862f248c3f2faa08e0c7ecb3737bb60578735856c062172b. Chain 2 (Bitcoin): anchored in block 957546 (2026-07-11T09:35:53Z), 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/AUMEV2183881.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a43963dae255ebfe41867711821be59febbe4ffa00991efdfe41bd2d459af77. 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/QZTB72378232.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfda7dd2012e7c799cd158ae375e2c7fa8510ae4b26113969733b202feb53d164. 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/QZTB72378240.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4c0411225fcb348fb6db7f5eea768a7360a55fee772888cd3ce63bd96ca730b. Chain 2 (Bitcoin): anchored in block 958639 (2026-07-19T01:18:30Z), 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/QZTB72378239.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5530103270d73a5fc06bf8a0110ba1b5465eccad81c551aab992320d062bacd8. Chain 2 (Bitcoin): anchored in block 958140 (2026-07-15T10:05:23Z), 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/QZTB72378246.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3695f6a201ac135ab56b6fb8c2e881860b62f98a0f440dc49a52085277f66778. Chain 2 (Bitcoin): anchored in block 958897 (2026-07-20T14:57:46Z), 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/QZTB72378253.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23e10e9fd30065588c093902551cb4eeef8a857b51e6d0f0bb938df4da6183dc. 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/QZTBA2393085.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3fcd3c60718ab3690176965f236b8042648b2ee3b08663ceeb1b80dd493d4866. Chain 2 (Bitcoin): anchored in block 959051 (2026-07-21T19:48:03Z), 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/QZMEM2497939.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4632e242b199b3f7e0025934a5014a83edfbfe079e41f9af67feb05441dfd93. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/QZTAY2474518.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03255343cd90d2003c5e6e133638316b6950b36f541bfc06b65cd25793d96c58. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/QZWFG2453662.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0841fd939f785cc4674aa99a6957ca16f568660b12d8700092cf6e978ae0df88. Chain 2 (Bitcoin): anchored in block 957546 (2026-07-11T09:35:53Z), 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/GX53U2478340.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xadf5f7cd6f182a735ef4c63f17aa1b1363bf9b625472aa9e054ac6c62f4357a3. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/GX3Q92592730.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4dbf1074c6c1a736546c272294e85f0982cc38714c310f4fc497df293e9e63e. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/GXH2J2503689.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47b1472e17c0578533557c839b58d4b4fea5f38bd1d224d9b9c3c35e0ecc1651. 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/GXH2J2557230.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x60b24ed94b4078053c1a28ad213ef3dcb14fa339ed057186156dbcf8bf525401. Chain 2 (Bitcoin): anchored in block 958779 (2026-07-19T21:08:39Z), 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/GX53U2614407.
ChillSpot Singles, Vol. 3 (Panomama Munhu Riddim)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x523b381ac659e5f54a9fca990694835c4f2efeb1c0a688f1fcd55bd59b2d62e1. 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/UK43Q1806518.