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 0x90360fbdf95604a9d468cdfe77f5687c5f740933827000faea3cb8e3f2b13e6d. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8aec74f0-1b72-4da4-8579-8610da07e21f.json and https://artists.proofprofile.net/proofs/artist/8aec74f0-1b72-4da4-8579-8610da07e21f.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 0x4b03bcaa524dd483abcdd0ee08046f62dd122e6a385770bdb9e73c1a953ff25d. Chain 2 (Bitcoin): anchored in block 956404 (2026-07-17T04:03:46Z), 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/UST8K1854873.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b3e09d3b8ec9858c46ee29d2055099a7896496a1766be93bf311db53f4769c8. 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/QM24S2003819.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73ce1d9abf3196f69301c00c269563a462b5e2541b3161c89b66c4133964950e. 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/QM24S2005880.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15c54cacd24361bacf11214241925993662dfed69a82dfba88eb199a6766e701. Chain 2 (Bitcoin): anchored in block 956405 (2026-07-02T22:22:35Z), 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/QM24S2011886.
What's The Use (from Insecure: Music From The HBO Original Series, Season 5)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf5621e24dcdb900953aee53d42883339eea1b991fdc17eb53eb3f25aa965bd10. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/USAT22204316.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd343c594a175fdb03ef34eae71b4bd98e2c241d49c87bdca431fe2da7952cbac. 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/USAT22200683.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2305aa70044d78227cd2011bb1c0f754bf4eebfe8ad5d8e9d96468aad77485db. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/USAT22202284.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf5621e24dcdb900953aee53d42883339eea1b991fdc17eb53eb3f25aa965bd10. 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/USAT22204316.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd81a69a3aef8184c186ebeba6805be82270897930af98e002509d709a9209856. 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/USAT22204317.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x307bd2a65f4483961356fb79b04ede2c20d22a1232c8c9135d33f9cdf48c498c. 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/USAT22203407.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54c7ad6f5245c76cd4cf59bc8862d684c49864f89b729e9aa17326849320f030. 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/USAT22204319.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ce17355ac5885ea159ef38b128ed3cbf7bb85ad942b62781744d37f3fbdbfce. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/USAT22104478.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd343c594a175fdb03ef34eae71b4bd98e2c241d49c87bdca431fe2da7952cbac. 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/USAT22200683.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2305aa70044d78227cd2011bb1c0f754bf4eebfe8ad5d8e9d96468aad77485db. 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/USAT22202284.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf5621e24dcdb900953aee53d42883339eea1b991fdc17eb53eb3f25aa965bd10. 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/USAT22204316.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd81a69a3aef8184c186ebeba6805be82270897930af98e002509d709a9209856. 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/USAT22204317.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ce17355ac5885ea159ef38b128ed3cbf7bb85ad942b62781744d37f3fbdbfce. 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/USAT22104478.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x729a5b8b7ae39e7ee29e327c1834b6dc8f499f69c454098b0c84d0c7475d6c4b. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/USAT22304194.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08f49816c7c4840b310224f7e08b1dfb55ed48393fcc15446b414524cea7426e. 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/USAT22303276.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48105beea5fa0f540e9ebe2ed702fbe3960eb700f6aa7d3d5f628dc765cd8ec2. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/USAT22304195.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d9fc12b34aaa13de0bc299ecccb89f28975743d30575598c598b550f9bc4353. 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/USAT22304191.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a5f735e1999723cfd395ff2702f200f31538179c190ebda233845c7941e1b35. 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/USAT22308005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf36701f074dd04440a38ae2e47f2923af82d9b06f01c743394ed8b6248f05d7. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), 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/USAT22505908.
4*TOWN (From Disney and Pixar’s Turning Red)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x127775459a6d4e65b0ad2f9428b0241943c72723283283898772697462da7f50. 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/USWD12213564.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe832466aa319444b06974289c52cdd9c22fbcba349ff2f33b433ab8b21f805f4. 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/USAT22313185.
Nobody Like U - From "Turning Red"/Soundtrack Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x127775459a6d4e65b0ad2f9428b0241943c72723283283898772697462da7f50. 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/USWD12213564.
U Know What's Up - From "Turning Red"/Soundtrack Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2b54bdf9a8e54c24f109b00391701bd0448a9207e696b7826127df571c0aff9. 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/USWD12213566.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x127775459a6d4e65b0ad2f9428b0241943c72723283283898772697462da7f50. 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/USWD12213564.
Turning Red (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x127775459a6d4e65b0ad2f9428b0241943c72723283283898772697462da7f50. 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/USWD12213564.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe22237730ad287ecefd0a717ec81f032e53b48a1193ee0d7267d23380f9bd4eb. 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/USWD12213565.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2b54bdf9a8e54c24f109b00391701bd0448a9207e696b7826127df571c0aff9. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/USWD12213566.
U Know What's Up - The Panda Hustle Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61b7303f7b4d0c24de8107fdfe70a4849f7e9b41e0980a74a4671e54d2e05c3b. 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/USWD12213852.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92216dd091caddc64e80fdb29a71665e1c174b2007f13f02c2d0e020869481e6. 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/USWD12213863.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe832466aa319444b06974289c52cdd9c22fbcba349ff2f33b433ab8b21f805f4. 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/USAT22313185.