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 0x8a54948f0603adf046216558d9262470f42e2d39d65e1018ee0af9a5fcf92bcf. 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/b0ee44ea-b800-45db-8459-f52b94e37a45.json and https://artists.proofprofile.net/proofs/artist/b0ee44ea-b800-45db-8459-f52b94e37a45.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 0x8afc735776dbe76f9ffe49b5dcab68bfccd298556956b8477e69df2f6575dea5. Chain 2 (Bitcoin): anchored in block 957552 (2026-07-11T10:04:42Z), 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/FRX281739813.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb10ed51edc4a9dfb851b446abb7f2e7d50e89648b968b4c77cac6f4395dfb715. 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/IDA411802462.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5fea63c5648770fa8e764bfbf098c2081fd59a95bd647032b85129a4e9232b77. Chain 2 (Bitcoin): anchored in block 958802 (2026-07-20T03:07:56Z), 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/IDA411802467.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe826e85c111a41c2f30db5d9441c529a94b4d570d6c2d63cfc6b56acd391c67c. Chain 2 (Bitcoin): anchored in block 958461 (2026-07-17T23:18:11Z), 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/IDA411802468.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x786e28086a77811c86eae1e6d237621cf29a08e1837e014d1f4ec6d02ff4f31b. Chain 2 (Bitcoin): anchored in block 958373 (2026-07-17T06:09:33Z), 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/IDA411802463.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20d33fe3683eac5d6ac500a8a8c1078022f965ebf8757e53dbe09a5c1ca67775. 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/IDA411802541.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0df76ca358d41896df207d86a8b6f08c9ecb3f304bb5546c3b3b79b4dcc41b8. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), 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/IDA411902935.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8440aad6377b2e28fcf5f46e3f6c8b95dab37f1ec48ae964fc76c81c8ded4d4. Chain 2 (Bitcoin): anchored in block 957788 (2026-07-13T02:37:37Z), 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/IDA411902950.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52cf2378dbf390a38940639a0f8e65430272a374d1de29fbb2f5d4032233b483. Chain 2 (Bitcoin): anchored in block 957788 (2026-07-13T02:37:37Z), 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/IDA411902989.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4701365787eea5e2b8cc499e973e64872fac927388d2ac2594eb955464f04ff. 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/IDA411902976.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35f7fe406f1d1c197cb344a9b0299f9cbdc933593d1366e5dac9df3b3da00abd. 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/IDA412003413.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8cf5af8a2ea1834b22dcdd06b58af23c2c74bc47dc1d4fdd0a311eaeeda6a42a. Chain 2 (Bitcoin): anchored in block 958867 (2026-07-20T13:48:19Z), 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/IDA412003439.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcce253cc435b960e576d182b6f8c86e504ed6e71a7287d39fd2761a20daca7f5. Chain 2 (Bitcoin): anchored in block 956790 (2026-07-05T12:31:54Z), 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/IDA412003458.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfffefe02b95138a21857f72f19e21c9c2e780ab444feae5be283c5a90c57ea0a. 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/IDA412003459.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87588e8081f5e5747970082bc1572d4b546183516ee6a61302f682f7f712837b. 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/IDA412003471.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf57784864bad2ca5d0cf1260b6cf27de8861f45e4a5d925624b5ebbdd4c84ba1. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/IDA412003461.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x307323c1051d5936468fcc611571e4ff6bc83ec6af9d7df335542a228470dc42. Chain 2 (Bitcoin): anchored in block 958808 (2026-07-20T05:16:24Z), 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/IDA412003462.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x518793e8b22d7579f8e9928a6686809bd3a4e1af94977d46075ff8384a79f547. Chain 2 (Bitcoin): anchored in block 956500 (2026-07-03T13:55:21Z), 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/IDA412003640.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f2cb6d6cf36b50038095d354dcab00a0cf3f290d1477228b25199d5c27434c9. Chain 2 (Bitcoin): anchored in block 958388 (2026-07-17T09:14:21Z), 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/IDA412103724.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7dab8d51b07e5ec3ef09645e0bcea53851ab0d6258d37dd9ad28837afc51f7f0. Chain 2 (Bitcoin): anchored in block 958480 (2026-07-18T02:58:58Z), 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/IDA412103821.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdbd8bc4331edb13fb180967a305538a4d46f0daf2ae6bebf0c58570290c5ed7a. 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/IDA412103879.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa63be87d0d922567130c58f0f7ed8a61b19aa696bcc803ebce95d6a29461bb27. Chain 2 (Bitcoin): anchored in block 958194 (2026-07-15T22:35:52Z), 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/IDA412104050.
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe84e1eb4a4464bb01de73027ab2d5720c0e2275959fed448da65e2602fde32b7. Chain 2 (Bitcoin): anchored in block 958612 (2026-07-18T21:29:37Z), 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/IDA412104216.
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Shalawat Muhammad Hadi, Vol. 5 (Best Live Shalawat Muhammad Hadi Vol 5)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10ad759465bf7bd4179ac3b0d2352fe34c65724b5f97c6a21bfccfbfef9c3ade. Chain 2 (Bitcoin): anchored in block 958621 (2026-07-18T22:59:44Z), 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/IDA412204484.
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78b7968ee4468cde5ae909f95f565e4ff8f27afb1f06e4c005be4c88d0941c25. Chain 2 (Bitcoin): anchored in block 958822 (2026-07-20T07:11:33Z), 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/IDA412204539.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1e3af37759d611d7e11cd23d343b2a104df0c627abeb3d7292664f441edec14. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/IDA412204541.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5639691660b00e475b9631c41a2ff36e86afbd42be5a0bddbde91fc54ed5ad57. 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/IDA412204528.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8011009f8ff37e273da7478f01d5e55c3be3283f45bf99f59b82950e9ddbf571. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), 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/IDR012202390.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2fc3cd852a1b55c829fa0d0ee2ac28fb436de226aeec14b0845e1897121546e. Chain 2 (Bitcoin): anchored in block 958054 (2026-07-14T19:33:24Z), 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/IDR012202890.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43b7c109c26e3fd16af33175f27431e849203c316e625b3b8e60c59b6ed8023e. Chain 2 (Bitcoin): anchored in block 957899 (2026-07-13T19:36:39Z), 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/IDR012301038.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c3a9a338b70627dd271bf33a012fa9a682ee8cdb4b02ed01e9fda676c4b62b2. Chain 2 (Bitcoin): anchored in block 958051 (2026-07-14T19:14:42Z), 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/IDR012402705.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5587ef0ff6a72a2f587fdb5c48a975a8ea64652e66bb4048d0a7ca4ed48b5dee. Chain 2 (Bitcoin): anchored in block 957898 (2026-07-13T19:28:48Z), 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/IDR012403631.