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 0xa5cc7be47938e641a6740e585c038a4a595f55e3e36c44d18c08d836a3be6ba0. Chain 2 (Bitcoin): anchored in block 954513 (2026-06-20T06:31:18Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9fe92364-294e-4b5b-8646-870381019bd9.json and https://artists.proofprofile.net/proofs/artist/9fe92364-294e-4b5b-8646-870381019bd9.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 0xfb880aa828ce2b6d4701d5910bd86ee79640582db2cf6dae670c551bef1240d2. 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/ESA011000360.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb54cad26d80cdf86b5ae5eeac9223fb58d517a54ed1b2b0d32c64bf5c8b0ad7e. 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/ESA011000361.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0dede31736b7e3c54c5554e74da1b51c2b9584e5ae37f3f7d3c03ff824016e78. Chain 2 (Bitcoin): anchored in block 960200 (2026-07-30T02:37:10Z), 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/ESA011000359.
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 0x8fc37b7eb9b294abdf2ab2a141839ea4b5b147bd0be06c86f0f3f961337c5209. 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/ES09S2000299.
Ruina (feat. Jailed Jamie) - SKYGAZE Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9a9b08623a52d2b4f7e5a5006a2b8f0864f661aa0eeea5a1af5daf37347f87b. 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/ES09S2000301.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68a1611b9abadc3d2cd42403ddc0e10862f4011a3cb10627bac59488e3b75285. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/ES09S2000305.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0cffd4ed663184b1e6be7e1785546aac01aed97525fc00c15ac462c97ca9a82. Chain 2 (Bitcoin): anchored in block 960294 (2026-07-30T18:46:00Z), 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/ES09S2000300.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ccc8a15a21f1ce69f3fbae00dac27153f221ded68642a05f65aebda9a27991f. 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/ESA092503184.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c04dedfd9b79e1a85ac450bbd39c3d2f9ce8d79d94d3eccc4a3ebf55c2ffefa. 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/ESA092503185.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcbe358a7a22ecc761a41e49a66aa6e91429a9dfc6aaa3c1ced0ee6a72dc10c7b. 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/ESA092503187.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf922daf56fc16cba0c9d1cb61555ef136ea8de084d75da94c39a0264952818fc. 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/ESA092503181.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35a2bef9cb54352e16b15b3349accd087ce5b1ef787ab1ec979d188b02c25582. Chain 2 (Bitcoin): anchored in block 960207 (2026-07-30T04:47:22Z), 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/ESA092503182.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd403a21baf479a10d2e7fe9e8eb56016fbd91e8a4d2e71bac67342253814df7a. 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/ESA092503188.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x646c29340f43923e5c43e2bc8468f2cfb73ed9b8d7a947266bf7fa6ad7e5fdb9. Chain 2 (Bitcoin): anchored in block 958042 (2026-07-14T18:24:07Z), 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/QZPLR2314176.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1dc667b087263b4ec0721ec7e134e6d9e30482607cd672f3e2316fd238b8284. 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/QZPLR2314177.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x172c6e9164c23541eaa087cdee6831f31e2a8143b9fdf3cb9ddea2023ea29193. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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/QZPLR2314174.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb13f85f87500a715c0962ce59d4cd4b903cfe2e8085411853aab24bbeb6f1e5. 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/ES71G1626139.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x919e84f09193f7343cf0969c76b8b59c493a03019bd32b31611682e4f5c93150. Chain 2 (Bitcoin): anchored in block 960144 (2026-07-29T21:09:47Z), 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/ES71G1626137.