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 0x2d5b286d2b5b6a48e090cc96c8a15a01362607568d4bb56b75938300694b3892. 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/07c50390-78aa-4e03-a52b-deb37e6bd2d0.json and https://artists.proofprofile.net/proofs/artist/07c50390-78aa-4e03-a52b-deb37e6bd2d0.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 0xbb723e4ac147ba72e32ebe24ceb14e3e843c24acaaaec820f522fb565c167d8c. 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/UKR6V2212209.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6e33b08f183244cd9a453270cc99b213fb40b8b3069c2317d423039cb5a28fd. 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/US83Z2301667.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5878bf83ba8eee19117e70c595ffe8470e8dd470fb5aa5b488ebb506fb475736. 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/US83Z2301669.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76146dcdc7af8d222c460339334329ec33c2c64e21b4e424724c99aacc17d260. 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/US83Z2344348.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf25e228e674e52fcae466459ae08f74e4fc96cfd27ee313afe90de1c84acc0f0. 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/US83Z2314252.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6da5aa3442ca6537fe00413963ca77286ec9f0e76be4415afbffc6d592868ea. 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/US83Z2234436.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b5200c65f5a4a809edb5ee89c8c2b4dbb89fc7adcd1acd36bda254fae44e57f. 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/UKR6V2116826.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58ebe1e61a171eed40ab235a937a21d448372bff4143d82067ad85d9c80bdb79. 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/UKR6V2115810.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x595088728efa905b5b0bb585475261c74fdcd2b1ee54c9391f9aaea8286376eb. 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/UKR6V2112444.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x587a5938634d67ab91fdd8c2c1cd4a076402e60345bf956adeff8e2be8371b20. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/UKR6V2212714.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9242f7b8728b936560ce9497ad0357f99f6f4f9248c24f6df3916d13595f04ec. 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/UKR6V2213034.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcdf8def898fc4c66acf01a62268d4c7bec5a2455e863bec1c9da86bb44fe2029. 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/US83Z2303305.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e8de8b21db7bf5c8815081878cb8c7b91a4a4ee400fe47f2a391edaf4c23e6c. 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/US83Z2329735.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x530fd6874617c47e99303bb8ee542f30682dd1194a0dc4cb3ac9c865f7ff75eb. 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/US83Z2325578.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c5acca8b7937e23924e51147ea6e5adf5654539427d97e83049a83d1e7d7746. 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/US83Z2317822.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x595088728efa905b5b0bb585475261c74fdcd2b1ee54c9391f9aaea8286376eb. 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/UKR6V2112444.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9885ec530709f4c689e6a9b62bc4013317d8893ba095150867ba6f82e949e256. 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/UKR6V2210632.
Night Cruise, Vol. 2: Deep Tech-House Journey
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4d413671d3af50eef5ae161adc8e343a3ae5a5be898c48e113ad0a3a6c52a02. 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/UKACT1824685.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac977a3bddbad3b70620aaf71f7599e8d3b5588a93f574d4927bd09e23d6afc4. 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/UKACT1824686.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x061e14800f1623a258758149e0a2d1c296d80cccd1de40cacd7c76a5416932b0. 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/UKACT1824687.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4cd4d6364b33b18fef8ad127ca45e2c11addb891ef8b2b21a8c25ba4a664e7e8. 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/US83Z2495926.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x225486f31d168079745fd34f0a41790d49509d50d00f99a223b6f7708ddf2e3f. 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/UKACT2400477.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb18429cd8dd45f01916e122ee25258c4ea09714b6bd7031fe5b4fda45792e5f. 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/US83Z2459635.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x643fb0cb9e9bcb5e895b55d5cd9d94f016b085f147b2573b2eac9445b1dc81cc. 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/US83Z2347314.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21b2feb450445e671adb76beb71cbf2b801b095db0f0c8a31ddf47a870bd14d7. 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/UKR6V2310716.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2616087c5cee174fd957b6e19d42ce20a4fd109e8090a4a862496c981795a6ba. 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/US83Z2303747.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x066750d2e9600d9a72ecfb983152aa45d364112cd97bf16325f38f821295f673. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/US83Z2486586.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x743048c755321c226938f996bad38a804529bdff4864eb2a2579a370d02d8c39. 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/US83Z2459637.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5fb3332e19812c431bc38f8c4877c9c6f897476b7d79058c5d70ff31bc14cf3. 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/US83Z2343955.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x17284eb9dee4cb9c630a769ec038061e1257b34f10280aa09c3362338f5352b6. 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/NLHR22500103.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdccff87d8f9ec4be5d1a8926de563c783b708f5e402059ceac17f7d2736e3d40. 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/NLHR22500104.