1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 0x5553f3accddc84b40eb3c93865ef8c78fa0b9bc0e215abc672e48946879e9f27. Chain 2 (Bitcoin): anchored in block 953697 (2026-06-14T21:49:28Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/5fdab1dc-58aa-43b9-88a0-50caa52208cb.json and https://artists.proofprofile.net/proofs/artist/5fdab1dc-58aa-43b9-88a0-50caa52208cb.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Chivalry 2 (Original Game Soundtrack), Vol. 2
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 → block OTSBitcoinBlock must exist at that height 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 0xa3c9078a621618c86be30fa7fca88e3f91c9b645708c828faf6623ae55bd5c20. 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/QZNWU2268143.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d701201a326a1bdbfa2402eda24b2c3f4046509c8510611c4d225fdfb652c25. 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/QZNWU2268148.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8069cd492427b1a7daa02344539754cadc32fb10134ab308b7cfe3f41066d549. 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/QZNWU2268150.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf679632e7122b84cfc722a722293b913aa7d87270f9bb801d536176326dd9221. 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/QZNWU2268154.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x406164d725a7effa8a454b97e0264fdeaed7be705112ff4f3a29fa80d1bbb331. 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/QZNWU2268157.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15778a785448bddbef74a71d53a94daef0e130a7aab447c9d4e6d4ad5344be10. 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/QZNWU2268159.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd84d99907a17cd3fd6a6411eadef43d7f75c640fc8340a0900378038d8190c6f. 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/QZNWU2268161.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc4b927ae2eba80667cb1b257aeccc185d54c380ab14512ec1d23e9934efca6f. 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/QZNWU2268164.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72ce28249e7f21e269bbe78301c4303f541e3dee67e67556c7815d880199a0fb. 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/QZNWU2268166.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x478b447806fbf33887749f5e47b0aa9cd0f5a7d95580deacd7b81f4e4de92468. 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/QZHN82131964.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa94f648934ddc5b7c64cdbfd78cf4b7fd439d4678b443cde334d25576fd1b506. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/QZHN82131965.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15cf6bb5c870ee389d0c4e6423e89dea0077fb84494a2c205712507b33e3d51a. 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/QZHN82131966.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95458c6d871b61282524525b4025a02912a2ebc155456db61ccccd3a08b57ba4. Chain 2 (Bitcoin): anchored in block 957819 (2026-07-13T07:53:33Z), 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/QZHN82131969.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x062b0aeb74efbed6065d644d4e3ce17d99cd76cb50abaa536a7e6184d202f28e. 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/QZHN82131973.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a883851d08014f4911fd3a889faca478c587b0b0d3873ce68135188656be00e. 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/QZHN82131976.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x177e3a2468016be09a4ae309c3326e3635333002d8e52a61da369aea1b6d1452. 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/QZHN82131978.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35512d16f51985b66eab9fab45705245c1117c66ee7676bb67696eb635c99fa0. Chain 2 (Bitcoin): anchored in block 957050 (2026-07-07T14:41:13Z), 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/QZHN82131979.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50fea1f65663f61d35885de64b46a1082053c1f4855e22c0b250506a9d8fe363. 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/QZHN82131980.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc49ecb50441b7fbad532b6a84ec2ed690aa4d8250dd17cdb5fba9cf5e037464. 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/QZHN82131982.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2eccc3a73e671277692b4394f70e3cadc98acd9e086368f924dcefed1335189f. 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/QZHN82131983.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe544e092d317ba0c86186470f60e6c73e0060530ef7d975053b6505a210697c0. 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/QZHN82131984.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaeaf9bc3cadedd07c67c2df7870c057634a98827efdff49219d9ddce4de21dee. 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/QZHN82131986.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2fe3832ee1ac2bfc11941f7064eb58f96f3404474a3119cd1fe181c2920ca90. 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/QZHN82131987.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb29b69e266ac02bc692cb0ad9a3503f123acc4cf59f8ddd132d8515d1b829967. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/QZHN82131989.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb134b11ce6bc6cb51a9b4fb7a9ab7f2ad1a549d5432fd7686a1c6c2ac8683e61. 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/QZHN82131990.