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 0xb70b26562bd49ba753090335c5266ab34c756448433ff659822a97b1d5f0439d. Chain 2 (Bitcoin): anchored in block 953633 (2026-06-14T12:47:11Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/32ae0ece-b6e3-493e-8a7f-47022ecc4e1b.json and https://artists.proofprofile.net/proofs/artist/32ae0ece-b6e3-493e-8a7f-47022ecc4e1b.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 0x87c27a3041219878a4522805d321aa2f78b83826d707ae399e897b4f5318875c. 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/GB2LD2410262.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03795a7b2d4a280d91ec4a506453730f42c466fb0a5d2695f9fd6faa44ede486. 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/GB2LD2410263.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5941bff6d52379371530f0b9eb900ab6f2a3d16fb479bcdf1de74a85f41f1af1. Chain 2 (Bitcoin): anchored in block 960317 (2026-07-30T21:35:24Z), 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/GB2LD2410264.
Shadow Of Ages - [BORDERS] & Fryware Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1ae7eab9d51c672df8063696a2d8736666e8a7d7a03353946ae3f300fea367f. 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/GB2LD2410265.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2162ca8270f21897c3da386c1dba4d73fea0a8e0f9c8fa1cd41dae0c3a7332cd. 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/GB2LD2410266.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcbf1efac64d3e2312f28b47b481e094480eac3ce247e486f89846da09d1795f0. Chain 2 (Bitcoin): anchored in block 960487 (2026-08-01T00:15:43Z), 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/NLCK42214337.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xddac2f0a96fc63c90843e3586d46ab5fda51107b5c1e8afdaf89954d9e31ca88. 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/GBPWR2400089.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8728dd690a67cbc454e0f60ebb8f7e418dccd04d621a77a6a4c55560f91ceaf7. 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/NL1ZN2402823.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5efaad5872ddf920c841175dafe9f17d641c764df6b2d60883d00b299e553bf. 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/NL1ZN2402811.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7308dbc2e8ad3cd7267fc7168625acedc3d72c03873b88dcba8c62ff503f553. Chain 2 (Bitcoin): anchored in block 959128 (2026-07-22T12:33:25Z), 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/NL1ZN2402710.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22495cc8a52721d9c4b053f0b97411fe757c2dcde7aeee3103e324f6bca014cb. Chain 2 (Bitcoin): anchored in block 960497 (2026-08-01T02:22:04Z), 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/GB8KE2326295.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4112a079d7a96efa5a83aa516003a591023f14220d0bf8a880603ffb069fb2a8. 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/US39N2311045.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87d596f0079aa7d30106e533954a599007e1fbc110c84f7189af36db137549d4. 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/QZKDK2350470.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6a5aeac3577f36a0fad4f67cd50ab7b12a3b50585f1f3a84b9926b0a6512605. Chain 2 (Bitcoin): anchored in block 960302 (2026-07-30T20:09:33Z), 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/QZKDK2350493.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x716a65e7ca323fba99b9f34c6b453bbcd5ef426ed3607edfa195b80ada58cd7e. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), 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/NLCK42220268.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96ad65bf4cc20ec25597df34601666fdd61f9e503148a0afc42f16c3d0692476. 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/GB5KW2105165.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4428510091a53e0b452a13c5f255fc57bbe6dc6ebe83be0afe624b39b9f9c76. Chain 2 (Bitcoin): anchored in block 960513 (2026-08-01T04:52:22Z), 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/GB5KW2105125.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfaa8011525e6ce995dcca9e35be233e838db5f2b6e30aca03585662bb374f845. Chain 2 (Bitcoin): anchored in block 960381 (2026-07-31T09:50:11Z), 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/GB5KW2201786.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1481eef2f053417f0be24c929e1e01c2b8f343677269654695161b59844690c6. Chain 2 (Bitcoin): anchored in block 960229 (2026-07-30T08:30:10Z), 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/GB5KW2205630.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf69e7b1a523933a4a5f48b7f35f3340462db9f2cd7d428711c2868e55def68fb. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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/GB5KW2205632.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac695395553c49e813ef802f73f37e76f5301efbaa86f9484bbf972cb227a435. 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/GB5KW2205639.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3cd07d238a99398be3a503ec6bdb7131d4c46bdf47b80fd3f783edc876c431f3. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), 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/GB5KW2205640.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcbf5a9d8e776a56616e6f01aaa7a899d815aba204881345335b3e84af60c5c22. Chain 2 (Bitcoin): anchored in block 960473 (2026-07-31T22:27:44Z), 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/GB5KW2205641.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2788e4e98f6d6cae531957a75499bb6e5f61430a12c3a1f213d0dea74ec8dde3. Chain 2 (Bitcoin): anchored in block 960273 (2026-07-30T15:42:38Z), 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/GB5KW2205642.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7546e9262fbd000723bf8089639e84b64e064d519cb2e5e0a93be6ff72af5990. 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/US39N2311074.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4112a079d7a96efa5a83aa516003a591023f14220d0bf8a880603ffb069fb2a8. 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/US39N2311045.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33dcbe46fb2d8fd52757707544c05311c8b7dc7cd3ef75cd9300801340661020. 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/US39N2311075.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbde3f98610ff7a5e1f63dda163fa3662774746d6d06d673e7f234486d0ec2dd0. Chain 2 (Bitcoin): anchored in block 960468 (2026-07-31T21:25:57Z), 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/US39N2311047.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad94dc6127cd04f6dd815ed41cf13ab30d751fc99d93b323625711e57d08ac93. 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/NLCK42217134.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc47efb37aac4000f655c55e224b5612787606e460f2892af8885bec38699c1ac. Chain 2 (Bitcoin): anchored in block 960229 (2026-07-30T08:30:10Z), 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/NLCK42217143.