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 0x2064322b232f414fabff47dae11cdb4adb0fcad59208419d3b8262399ef887c0. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a55567cd-db29-40eb-9ce5-7bd9f59a1ef0.json and https://artists.proofprofile.net/proofs/artist/a55567cd-db29-40eb-9ce5-7bd9f59a1ef0.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 0x198f66256abcc2dee1f119a5e45b939cbb82f98e540b34a0088ce917fa3e5bce. 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/QMFMF2381812.
Get Physical Radio - September 2023 (mixed by Rockin Moroccin)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc14556de4cba48772b00ac36feaff9abae341eb4110c417add1874df0eb7707. Chain 2 (Bitcoin): anchored in block 957050 (2026-07-07T14:41:13Z), 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/DEBE72300814.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb62fc2b0a254064b1990f428e9a2120cc883623f5670048cfcd9856dc5fc845. 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/DEBE72300815.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x29b1ab03a82e96f45a7133af1d210f11b6e33cdc25390de088a79708d2092b8c. Chain 2 (Bitcoin): anchored in block 957061 (2026-07-21T21:05:17Z), 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/DEBE72300818.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5cfa4a84957a24f9a50ff8cd795f84475b7572a687686b7bece78f39c62dd241. Chain 2 (Bitcoin): anchored in block 957061 (2026-07-21T21:44:49Z), 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/DEBE72300819.
Caliente - Monkey Safari Remix - Mixed - September 2023
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf98a7db114aab7fff307f2ab374bd24e4b514108f33f0428afaff0b25b05045f. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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/DEBE72300820.
Body Language - Original Remaster - Mixed - September 2023
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd58e2c081cf9a91ca0a3daf11c519a3acad19a70d0f81ae621f83b292aeb6631. 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/DEBE72300821.
You Got the Love - Mixed - September 2023
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55fe6140a7c3820e7eba408ef37220e732fbffaad3c44d931c8e05baade78c3c. 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/DEBE72300823.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5eb7164f2527d798a34114ac294406fe9edfcec9055d4acd0ef59c7efe5f98b9. 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/DEBE72300638.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x99c16bbf5f266fced86ba7c95caffd80c03b9071f1d1cbba614ce2be17fc3d3c. 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/ITSV22400154.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb9d06744cc4052576a27766ec14c9181e59e21b6b6f089a4ca0033956bed1bb8. 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/US83Z2487065.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d7a3a9ca4dded14f563e9361cd855b5d5da4ad64dcb1170eae64c229249a877. 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/ITSV22400072.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9eca7651ac98520f81085b0b448e54cc4e73ee1b405626542a1bf1b1b815ed17. 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/ITSV22400073.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2790e7922bb3d82996df7cf13a44a2c66408611e6b28ae27d262eb7067301e8f. 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/DEBE72400238.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61b062b2adb6df179e5bcd49f6ad4e29ffc642092b2990d4962af5e02fef997e. 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/DEBE72300895.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55fcf5ba537b8a25a5e9372d04d7cbd2a463385d2056fb2d0f020a3e9cb87d71. 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/DEBE72300897.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68f0a8a66dca8a57f9c54b599ae4af4ea4257f1185c0b5b5fbcdee1de56bdee3. 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/DEBE72300567.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c13de924399eb1efb675cccd63c0fbb55d98cd7351757811852120a73a9f44e. 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/UKBJZ2300013.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75007aa4ba669b75cd99a582f77bc806ecbf487b4133dac02d49b082e17eaa34. 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/UKBJZ2300014.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43554b1209457e8895829dd6ca26c0254ce068155b0bbcea74b3705bc40b7884. 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/UKBJZ2300015.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72b856a6e339cdd4ad17fa57c2a8566b3843dc308e73b8c0769a4b5b89692e70. 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/DEBE72200784.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a2b12739d01447254a133a90b009f8c7a2cb50e84eba78a0a8368e7a48a2d29. 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/DEBE72300525.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdebad49c6a853422ec83500819dfdfdbd092ae3f58040590992068fbafa832d3. 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/ITSV22200156.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xccacd3c5c5f6e2d53fab82d080aaaa6e757141d1394a7694a3f6ec7467a6b7e7. 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/UKZYJ2000017.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xccacd3c5c5f6e2d53fab82d080aaaa6e757141d1394a7694a3f6ec7467a6b7e7. 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/UKZYJ2000017.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2fcffb6ce7cb8e7075e467779e6c436a44e8d9345435f131338af654611c4c3. 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/UKZYJ2000018.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe98a3296b109ea5c24356b5c0a46b0ca11aed15e7ae5a6eff0d90d9e547c9317. 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/DEBE72300504.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2f7f28f13e8c1ba2a3a3c9a01735dd49dffafd9957445ca1d498c1e41668814. 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/DEBE72300505.
You Got the Love - Mixed - February 2023
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x653e84f24443d7e807f9f673013a21e8aeba1d362142a86a5620a7862ffdb208. 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/DEBE72300511.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa39d68d1ea09bc674737d3200149e6eb4a9ea918b383c98e4093db9c8a2a9e3e. 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/DEBE72300513.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85bb128d5957c31c90bb789b1654afac92032c10851bfc8905619a8c95625688. Chain 2 (Bitcoin): anchored in block 957819 (2026-07-13T07:53:33Z), 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/DEBE72300515.