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 0x3c6af8670bd420d1ce6954dab60e3e1995effcea7eca594b4c807dc5adfe6076. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7c6373ab-b99c-4b3d-938d-6ff0263780c2.json and https://artists.proofprofile.net/proofs/artist/7c6373ab-b99c-4b3d-938d-6ff0263780c2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Corta Mi Muerte (Outtake de "Electronauta")
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 0x2ae0435558bea24c6c8c9ee265e009670acafa3c6d8ebd7e1fb89e2819a4a4e4. 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/ARF039300203.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc087fac1e3710099c9784fcd2a2c2880d533dd7ce5bda260f7cb93ef788bf9de. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/ARF039300212.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02d486abf9dcff4746b5911d76bbd02b725dc3d7cb25d845bce459b202ab1f64. 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/ARF039300208.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54c3dd949ec827e99e6fd86a3d101d2ace82ea59dabbdc74eab571101b508fdf. 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/ARF039300205.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a244e37848de94c838391b5e7422572a02daa4a0cb00dea13149b29d65fb602. 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/ARF039501268.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50d8042977852a5abf708dbd419b83c88b0da4cb38ce85df06a9170bb7132d06. Chain 2 (Bitcoin): anchored in block 958975 (2026-07-21T08:43:22Z), 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/ARF039501270.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x476eafa846e63871f4ce6cc74abf5dd265fc3a1756c4c12f2800ee3d6102ce1e. 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/ARF039501273.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeea9529873d42d499ac0db7d0311e38d3526dc49165e25bfbc7f476fc802a842. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), 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/ARF039501274.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x888a6831bb4abbe519fc69e55c863236d757fe55416c01178456c4eca615f6dc. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/ARF039501278.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa88ebeb13bcc2af941953ba1b9daa1a449423177ddf4757f74195a3a6efe759. Chain 2 (Bitcoin): anchored in block 956861 (2026-07-06T01:57:57Z), 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/ARF039701281.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43a6ca5120a632165eb9584597630328da3fb334e6ab8852882eaabfbad2f68b. Chain 2 (Bitcoin): anchored in block 958770 (2026-07-19T21:30:46Z), 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/ARF039701294.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d23fb5d09a9a60e81e4fe41899b7e979df6ab35d3da3c8c98c150ccb6234b94. Chain 2 (Bitcoin): anchored in block 958959 (2026-07-21T03:51:22Z), 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/ARF039701284.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x565bffc91dfe862397917104c52c8ab7fb130971218af24e5b837daf152e50f0. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/ARF039701285.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f04adec55900545ff8878b3269c41364cb0b1c90de0e9019770a7b7a0cc7297. Chain 2 (Bitcoin): anchored in block 958491 (2026-07-18T04:29:42Z), 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/ARF039701292.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa555f0f8353955308f7f4758ec1e29d68fee9eb7e449f77c48b21bd33915444a. Chain 2 (Bitcoin): anchored in block 958447 (2026-07-17T19:47:19Z), 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/ARF039701291.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ff72f1050474e39ccebd6c3a8b6d322e70c719fb6044854bd52173db3369eaa. Chain 2 (Bitcoin): anchored in block 958733 (2026-07-19T12:51:21Z), 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/USA560696274.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3766418862af58fa3b52eb79cb5760e20f6814ce39ac2e2d2eec3161dc5d07e8. Chain 2 (Bitcoin): anchored in block 957650 (2026-07-12T04:18:57Z), 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/USA560696275.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c5030637896c4c836218851884aed631d76233f9a1adbbee48595c3c92de34c. Chain 2 (Bitcoin): anchored in block 958246 (2026-07-16T08:26:49Z), 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/USA560696251.
Melodías Animadas al Ataque: The Road Runner Show (El Correcaminos)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3ab7ed804db0d3bad070359a990b15babcaf3503eedd4b348649bbc9960f484. 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/ARF059900551.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb5e35c3d936085eff379ac5741afdd8ad6f3e6bb4f656093ff266aa48a6dde5. 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/ARF470200002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb5e35c3d936085eff379ac5741afdd8ad6f3e6bb4f656093ff266aa48a6dde5. 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/ARF470200002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33d339fd5da762471673e29f0666b648f1cdfc4de0bdf325ed1511a7ddbc1ce2. 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/ARA492100009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb48bbabc2e69a990cbeb8dd6c6f4e96da48346c42f6fd376c65dde25b3c08703. Chain 2 (Bitcoin): anchored in block 959163 (2026-07-22T20:50:44Z), 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/ARF470600048.
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 0x2d2e146516db288b5287347bcaa9c3945093f3b16c4f7519911f176a84d009a9. 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/ARF039501322.