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 0xdf38827c90122727876bfd596fa027d8562b5d7b71879bbfa94d7ba2179293e8. 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/145452e1-5399-4f34-b953-52a945bc8cdb.json and https://artists.proofprofile.net/proofs/artist/145452e1-5399-4f34-b953-52a945bc8cdb.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 0xf09bf50bf0270bd531fae8fb0b0bf872e549dabf140c6c946c8144dc962548cd. Chain 2 (Bitcoin): anchored in block 958796 (2026-07-20T02:25:19Z), 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/USCGH1943397.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2500c86e4e9f7765796fea5c703c1c1e4da36f1ee50826b05737f456ac305320. 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/USCGJ1938550.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd11733fa6522a6de51b9bf497ca2f83aa445915b4d869293044372d51cbd3f9. 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/USHM81971125.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04db19ae032a268e7c932a1a08e44552db84658260ee10ef3c7b162cd848885d. 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/ESA011992702.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8b18947ef68d99ab10ee2b847ce1a2b31d09f97ae191c015a411193191ca706. 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/ESA011992703.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75622f26f30f69d187bc7507f951589d4edcce0204ce73cf40a756b4de04d579. 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/ESA011992704.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe584be0d2f83a61ca580484bd5caf470279d04f90d74e3c6569697de7920f01a. Chain 2 (Bitcoin): anchored in block 958430 (2026-07-17T15:33:28Z), 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/ESA011992705.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a94858efc5057935bb6d6d60ede9e6ab7eec3f32f637f89396f73e6984ecccb. Chain 2 (Bitcoin): anchored in block 957882 (2026-07-13T16:48:10Z), 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/ESA011992706.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x626836f14db0e4c87c2c12ae0be30b49f79978465e7589f303f4ff8502f44887. Chain 2 (Bitcoin): anchored in block 958798 (2026-07-20T02:05:41Z), 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/ESA011992707.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0d8c99ad5e329ae2272f55158e86db07edcf7fb3db788f09e7346eab838e364. Chain 2 (Bitcoin): anchored in block 956841 (2026-07-05T22:14:35Z), 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/ESA011992708.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe896620417ceeef70ac330541336c1c04f53e9ea104482f4e5bd66666fb1f9d1. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), 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/ESA011992709.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcca782ed7650c194cbff1daac4729ed673d4914f7d5de777b4d50c214378c9cb. 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/ESA011992711.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f70a76fc8ace82a33af2549ae1131058db8e563842c120f0898a9f088ce1eca. Chain 2 (Bitcoin): anchored in block 958180 (2026-07-15T17:59:52Z), 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/USCGH2085458.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad9cb2f3f398042c9e7c241530d7819a241b262e9b4d917aafa0fe080ded970c. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/USHM82085753.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc35255818291be88d5d66d912367981bd04c5773c995091f71f81d0b5cfbd142. Chain 2 (Bitcoin): anchored in block 958276 (2026-07-16T10:20:17Z), 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/USHM82085757.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0f353539b13e237ff32f3cc07ac5c3ad67522802ea7a4b7ff74980cf074e615. 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/QZHZ42176124.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51d14e00fdf921c644e62a5f0d1c9e399d45c322ae40b73b258171621aa74ecb. 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/QZHZ62166391.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2036026bf13f2a2e61a3ec12dbec032ccadb8f0a25a4f2cda1a1052c0951055. 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/QZNJW2118550.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa095b3f1fb96f31cfd69fc8046bca5bac1fc97d3d108d62ef793f06270264d2b. 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/QZTPX2197463.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x528a8764ea37b179c4ca43561ea619fc0ea957e3658a508d16baeeba8fa24b7f. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/QZTPX2197464.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc7a4c7a3a10f49df84bfe882416b3cbe1bb0ac0f3d929bb588c2842b558a6d2. Chain 2 (Bitcoin): anchored in block 958350 (2026-07-17T04:04:52Z), 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/QZTPX2197465.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x745a9dcd2e4d68090448b9142c67b8379490d752d851132c934a06b651c45b62. Chain 2 (Bitcoin): anchored in block 958700 (2026-07-19T08:09:50Z), 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/QZTPX2197467.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8c2dfa442b19f98fcbed94d9aece0995fbaa97d172b7682231c9f786c59deeb. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/QZTPX2197469.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x255a5198151e6e44d1367aa472135d903116fbb501fedb0cc0a18c68e1bc7a4b. Chain 2 (Bitcoin): anchored in block 958501 (2026-07-18T05:33:04Z), 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/QZTPX2197471.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe82c02582db37e41d52a3360192a26c68df071854ac655240a8a8a807bc0b585. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/QZTPX2197472.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3e7a77fc2757bcf46c3d4eb76aae62a6c6577eaede1f1244e569ce421aaa421. 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/QZTPX2197473.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbebae97e7ff1b8855b8a8c8afd6e33fa1a59fd8408d5687d67dce7e4dc32446e. 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/QZHZ42240878.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9403595c5bcadfd39a8038b14b05353302114e9d99b9febb41185cd62dd9e337. Chain 2 (Bitcoin): anchored in block 958572 (2026-07-18T15:47:37Z), 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/QZMZ92229301.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d7a6dcc8fe26ef13778ecca615b6c302cc5fdede5f2cc6b50cbe8677aa48484. Chain 2 (Bitcoin): anchored in block 958728 (2026-07-19T12:24:55Z), 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/QZ5AB2334953.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81f4a8b8db03ab02a4dc1fb34200e54159dcbf34ab48a29d09e6fd78de2f8a35. 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/QZGLS2370461.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1cf74864ab78f9ebf8b0c1783bb1e8a3207e1f397fc50ff2cf3704e15e621c8. 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/QZNJV2362471.
Bueno, Como Que Se Siga Moviendo Pues, No
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2fa7775796d92cf25151509f0280daae43acdd5c7a0b3349bac39498b3a7cf8. 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/QZTPX2331753.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b47049382593f6899ca23d73a1b5510d292d9969c2589300d504be26741dbc1. 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/QZW9K2394750.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa6d12a2ac76ab07d89333bc4754880537991d295aaea02d4a6910ce2d00cde9c. 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/QZW9K2394756.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f8996d073dd3d9e11677bc693c4cbfdc842bb5ad883108561eef23daf04c277. Chain 2 (Bitcoin): anchored in block 958520 (2026-07-18T08:19:09Z), 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/QZW9K2394759.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7f53249bd56bd514d43b86a07151c403aa9c23fc8630362ea94cc3804c2683d. Chain 2 (Bitcoin): anchored in block 958462 (2026-07-17T23:17:53Z), 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/QZNJW2425493.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80bccd5b892c75df100d9d6d98706dde2cd39739a9cb23a072b725ae2e96a7d6. 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/QZNJZ2475521.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x270fd89ad3c7b4b04facf899634d57583f79f1194316b433effad21a386ecbc8. Chain 2 (Bitcoin): anchored in block 958263 (2026-07-16T08:19:47Z), 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/QZW9L2441477.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x337f2c35a5b6975539d0b94daa4ba45dc60f2e222ce1c0c600af4036f01937ea. Chain 2 (Bitcoin): anchored in block 957888 (2026-07-13T17:43:59Z), 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/QZW9L2441478.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa31aa41ae9a191bfe239776cfeb8faf43b6dbc1216e88e3881fdc429b28a3c36. 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/QZW9L2441479.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbedbc12ef164a6a10d86fdafc198e09ceb37149b7f9bc0079d2a96f50c20fc86. Chain 2 (Bitcoin): anchored in block 958194 (2026-07-15T20:32:27Z), 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/QZW9L2441480.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a0e2d32af18b452f97b7f743a274074a6e845ff8ba532dc37877698d1e516fa. 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/QZW9L2441481.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9f9fd16d8028ec2bb937846fe3440cc53b154e76ab0d0ffa8f12599755ceaee. 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/QZW9L2441482.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6f1a4104a6e58c27d2264cc0d9c7d73788707e64feed7982951184e3d3c2750. Chain 2 (Bitcoin): anchored in block 957043 (2026-07-07T13:52:39Z), 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/QZNJY2431667.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85d5fc2d98c4da5f8402ef172e7a93d29976a77c22c75125d2d1dc2ace124b4e. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/QZNJY2431664.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x698e6a63594d777ad0e5247c1a4f906f57b89efc5aa29c04e5d392287007639f. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/QZNJY2431661.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x064eb4b65f2127062ed46f3c5d59191659cbc092c732ff7dd5be6dd0ff43cdb4. 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/QZNJY2431660.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7b3406a15dfed60c9e10103c4e630fe393f1c03f3d6407a54eb92de9bf2aa7b. 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/ZZOPM2239800.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7b3406a15dfed60c9e10103c4e630fe393f1c03f3d6407a54eb92de9bf2aa7b. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/ZZOPM2239800.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x49891e6bf00c296a263d81aec15f466120ed11dd874851771a8bd04a7e44ed11. 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/SE6QE2340857.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa77cfeac5d2243a0524ef8add439fcdbab5b9dda70222120e22e9f74ca3ef4af. 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/QZHN92102839.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef855f86f7a9851dbccad3400bcac220e62db9dc9108efee4a6132000eb9a8ee. 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/QZTPX2459693.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x870b4da0074f43b510deccaa5ee4ce582c78463bf56255af23cd2d5840ddb84f. 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/RUA1H1947417.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd193e6f20f5549dd03555f9b52e808cbd3d3455347dbc764340ec574f0391c2b. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), 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/QZTPX2459691.
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 0x3fb4ced143f8fb70a3fe5c817c93bff43cf4e3163c6bd5304179006e00001a43. 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/QZGLS2432561.