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 0x4d99e941e08fa4bb1e720ac1e5320da382b8ca437fa46123f00b1362350a95a4. 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/1eba3144-46bc-498f-ab8a-098e3543db48.json and https://artists.proofprofile.net/proofs/artist/1eba3144-46bc-498f-ab8a-098e3543db48.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 0x9a3294b73414924a5c06500831bc63b430cf1e9a6d36929ced9ec251fcc1147e. 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/ES5151900482.
Alta tensión (feat. Gabriel De La Rosa) [En directo]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x358eed8ffc5511f3154b4960d665a7fbef22e3e7d997a764611f6d8000526413. 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/ES5151901421.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x561537713f8a24c2845c97c7b4886622b4d0ee4d2320e2b9b1e820cb19c7ce14. 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/ES5151901422.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab6d122d9f1a9bbc59cea2a8564ad8fb919c85ab5e4407fb9f762cf4e59056aa. Chain 2 (Bitcoin): anchored in block 958673 (2026-07-19T05:38:28Z), 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/ES5151901423.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a3294b73414924a5c06500831bc63b430cf1e9a6d36929ced9ec251fcc1147e. 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/ES5151900482.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08763d485b25f87ceb6ef9a7f2b54ac21ab523c9b7d56273a91302d2fa52dce2. 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/ES5151901426.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb901f264123db744c2a5e0b210bc486704a24bea49139499adcf84456cab7b1. 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/ES5152100925.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33b6afef9aeccba79acb607d83ddfff9f95edf296258db0776637b4a3a5509d6. 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/ES5152100675.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33b6afef9aeccba79acb607d83ddfff9f95edf296258db0776637b4a3a5509d6. 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/ES5152100675.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb901f264123db744c2a5e0b210bc486704a24bea49139499adcf84456cab7b1. 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/ES5152100925.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9465d611700c26c0c819f632a5b9aee4910be5b1b3c9fed37accca291ac4ec2f. 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/DGA062290789.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b2794ec218016b54f56723b404753d4101a1855cffcdba0929f9bd3ac4ca3cc. Chain 2 (Bitcoin): anchored in block 958796 (2026-07-20T02:40:54Z), 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/FR10S2386459.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4350b89971eb7707a9b9a4ad663282cba3ef4683834fbd77769d7ea08a4989d4. 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/FR96X2385738.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x66ca61ffdd575c5f6722f1d48a0f2cf5953c6be928700192c043d29308e92c7b. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), 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/FRX872369627.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21cc16d63cc7177398f40d5327e5a3c42f9741b35dfeff9ab8e2168cc5a0539a. 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/FRX452421201.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb55c5abaedf594fc206fdc9cd64b28f4f85953a278fd081320c25d7f975c67a. 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/ES5621904681.