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 0x79e015e5d68c4ec24bc23f7de2708adaad93829cfcd90bdffd3f43c119c72107. Chain 2 (Bitcoin): anchored in block 953596 (2026-06-14T06:21:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/08d2bb7b-599b-4919-b56e-28d265ab6e43.json and https://artists.proofprofile.net/proofs/artist/08d2bb7b-599b-4919-b56e-28d265ab6e43.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 0x04fbdc77270280323bd3a44495ed20b26891ad693ce19862cc77bcbaf49bcb60. Chain 2 (Bitcoin): anchored in block 960125 (2026-07-29T15:38:18Z), 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/QZS672257295.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6fd715471f78b7a33eda97c668f8d8f9868a0feb523944bea39f79ec0fde049d. Chain 2 (Bitcoin): anchored in block 960247 (2026-07-30T10:42:33Z), 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/QZMHN2323565.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79ef2d9a28a07d2238ddc650dbe277eee94447d9105a55820d0bc73e48e411d6. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), 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/QM42K2379076.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6963be149273a7ba64aaf7b9c1d918d4fdd124722914931354702de79fbf7aa8. 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/QZMHL2336483.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5802e442514c1bc772c51c44809800b58c5c847cc59f31a79edacf72b9f1401. 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/QZS652325669.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7875dd71187209140027839a4fd5c8e792fcb6abe49809f44771c4817a84f0f3. 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/QZKDK2250152.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac54619433674e891d90b202b8529ad25ba5c88c392080c0598fa11a61017100. 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/QZS672297726.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf70ca9872d6919f202f48ca41172bcf7d19ea16c67c444350e8315858ad206c5. 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/QZS652214004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c3b82b765b9999b8872271520e4e809f5c6a6da8c6579f686b3a4f2e95c4626. 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/GBKQU2227451.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc19956b48299414ad8ef1eb49d2e43d4a4a4c09fafbf5bc66156ee3f069169f9. 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/GBKQU2227452.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ec4527f4fb30b1c08a1162b9a80733bcabf7a1cea2489f758810bd6489b2e8d. 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/QZMHN2294082.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6422c5103a6cc2812376426b7959bdf57c7be35457285cbd7692cdc58cdf389. Chain 2 (Bitcoin): anchored in block 960506 (2026-08-01T03:50:58Z), 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/QZS672209082.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8be60dd186631c144e0f4f4c43129f70fcfb8dc6a261047d10b79c984086eaa7. 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/QM42K2264128.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40b611cd4f566171ed932780e0e0f794d9bb8b38eac0d46111ec958c945d0ad3. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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/QZS652151384.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ef78877945d475f7f3b1cbebfa6d7f98694853c03d3f2f830169340476c0f83. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/QZS642138661.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf22e7a880478c16bef50223b304e15d52fa2ccc52911aa5b0786e3b739b070c6. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), 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/QZS652105008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x643bcc84ef0bc5e51f995c500bf4573467b051737efd8a70b7b742e4b4ff14c5. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), 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/QM42K2097571.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xccdd3677fde474abf819075182e5f1c992c3316c88df78a0ac20709557a51b94. Chain 2 (Bitcoin): anchored in block 960481 (2026-07-31T23:51:35Z), 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/QM42K2078328.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd654f1cd1cd51016ab1d4a56ccf4cb1a260bd5f7185b404887f94f53bd42be2a. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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/GBKQU1023133.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb283dd426eccf27d69db422c518f4d932293a93ca5a79c2f7213181ae52e004. Chain 2 (Bitcoin): anchored in block 960240 (2026-07-30T09:57:33Z), 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/GBKQU1023134.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x596a119178f8add03a7a8f16112e2eee962208be90a6b3226e45aa190207a241. 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/GBKQU1020566.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5392555c51260aa4ee4784966c38294f9f759ed77b0f762ee390a51c84113c8e. 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/GBKQU1020567.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78ee9e4cdfe81d2d93a258139b12ce79aa0c73d7014c9d0cbe8bcb9c2511ca12. Chain 2 (Bitcoin): anchored in block 960370 (2026-07-31T08:38:45Z), 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/GBKQU1020568.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x83cfe1ad52a868dfdb5d74547aa347a60fe876705428a42c2ea266d9d973f214. 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/DECY50946991.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ad5b0ec650851764331dc86678525ee4c846a2d78ed94f6263075a95b294c84. Chain 2 (Bitcoin): anchored in block 960185 (2026-07-30T01:32:48Z), 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/NLCK41004528.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43db31d03f767cd3031f000072da7c3f17c38c2a4a5c0f1fb9bef5b7c106ced1. Chain 2 (Bitcoin): anchored in block 960300 (2026-07-30T19:42:40Z), 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/DECY50946109.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a71b4479fcb7e5c96293b05a768b683e996aa252f67296425e6ca866a2e5e85. 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/CA5KR2251505.
Get Hypnotized - a Unique Collection of Electronic Music, Vol. 7
Get Hypnotized (A Unique Collection of Electronic Music, Vol. 7)