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 0x7510d640cbdaf98425077762dd1b06bffa74099570ae636fcfe4389d7f081a25. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8164652c-c270-40ed-986b-23693bce173f.json and https://artists.proofprofile.net/proofs/artist/8164652c-c270-40ed-986b-23693bce173f.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 0x8daf642369579ce9ba6511fdc1d72ef2532b9302812ceff2bd32c66e665c0f7d. 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/QZDYA1800123.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4fdd3b03b8558ead6c7bba35549e9b58255010c1409774546964c5f7a591307c. 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/QMEU32308874.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4800d24fce9ac0428dcbde500fe2e7d4993620a6adb73373810ffa1c917d7136. 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/QZDYA1800327.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41acb85574a310500905ea9be19852e5cb8d309e52cf17c7f96b6ee53f871bb6. 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/QZDYA1800311.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ae6cf16ff2a0676b8b9b9e186b402595e9f2738d5fb42fe58d52b8af0572d8d. 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/QZDYA1800302.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8737c03cfdf798a583b82b51de20eca4e68cdb9d911f9a998b459235ee67c0d5. 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/QZDYA1800280.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec49c4e4c08ff5e0790e527c4e7e3678d91b28ded3a6e8a20b3430085df2335c. 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/QMEU32308784.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e86c2a97bb50e41a374ef7250d174113dd454c8677747e4132bc99b268021ee. 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/QZDYA1800266.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e9fb9979cbf0147748a80f83dba0a4a0bb6bd3edf7622563c2b55e325823970. 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/QZDYA1800248.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2af6e3aa83646e6d1b4d3ce8113ad49ebc5098ed19ab53ecd16b5eb2f6574025. 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/QZDYA1800130.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x865627fc165847f092e2c4d9ab35ca3ece4d33e5989734c9dc6e477ce51e5386. Chain 2 (Bitcoin): anchored in block 957064 (2026-07-07T16:43:08Z), 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/QZDYA1800131.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98aaae1073f2e7116c19c81faf39b3d8f7d42e10a721e85d37298d6f11bea4a3. 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/QZDYA1800117.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x60708638316878cf9db3ad4f47a4b5108ce03494e879759bd79580e3e680f9cb. 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/ARGO92200019.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb9196c151e367b1cc176f16f3351d927c8b580ee19e60d780c198269edc39d3b. 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/QZDYA1800106.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ebeab8a10d768865c267d99ad015d3a0a73479ff874833ef42d70951e11044f. 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/USA2P2215309.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc24cec7a7480989f368ca5c62f723f0e6afa51cf0514df3264d466778e3c2aa8. 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/FRX872150119.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x705b6284dfd07b69c042b85f40e8f51f180bf62d5e31f71ceb1bdb6befee9a3f. 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/USDXS2103718.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a66f7899736a2035dd8b1fba3019d9dcced0866ce3c2fdd9c0447e20c4020b5. 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/TCAFU2144071.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb9ec3a5ae3c9c28367137c8f2de51b1d14cba2eef605efa4a1971b746312bd47. 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/TCAFQ2110880.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2feb4dfaeaf1f28b0466edc535277c5c8d9544e7fbed3a1ac0276352828ca37. 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/ESA012112375.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5247fa01dcbb59fba7434bdb44009a3c1922b5accbf3ceac7e7653ba7b4076a. 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/FR2X42176884.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xafb9deb50bf781e1879b6574ededb3263eed58e6d8eae331e64cb21b076cc612. Chain 2 (Bitcoin): anchored in block 957075 (2026-07-07T18:50:38Z), 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/QZ22B3018203.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x651b492313775b53bcc351bbe9723fdc824c7a7eb15351685af9907081054fd4. 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/USWL12401956.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39222ca3c78802a5a97de87fa803a1ac402695c64f60fb8b2734e5c1955caee7. 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/MXF152400882.
La Nueva (feat. Blessd, Nath & Natan & Shander)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x327c1cd2f732726e9097aa9f86bfb537a7ac734236ded30c33f6f4365357e83a. 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/MXF152200234.