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 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 0x839c0c8f31af0caabe7806055a220765e00036a2fc2e06e5f4aa1c9260acab0d. Chain 2 (Bitcoin): anchored in block 953996 (2026-06-16T20:04:35Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2ec094f7-879f-415a-a544-72429bd8457f.json and https://artists.proofprofile.net/proofs/artist/2ec094f7-879f-415a-a544-72429bd8457f.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 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 0xca475b9403b918491efedce9dfa07ff7301f3e9d17531a38262353aac0457930. 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/PYC112300002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa49cab8bbe6c28d9b509ce83123dacf236a7c78951f41a442014c47be6d64c12. 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/PYC112300005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94358fbe1f5df28efe7dca86f45bae36642e5dddbff7d344f7ae7bc2180df9ba. Chain 2 (Bitcoin): anchored in block 960209 (2026-07-30T05:15:54Z), 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/PYC112300006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1497bdafa127334c1e97d8eb70c3a410c9c61c55c643d347a1bb1bb3cbd7b327. Chain 2 (Bitcoin): anchored in block 960489 (2026-08-01T00:40:43Z), 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/PYC842303956.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8cf4b6a675224c5f2f5c1c65f0fd29b96b6f7073d94e21a5f6155439ee4a11b. 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/PYC842303957.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91d780ca75e49b00bc3e98505ef9d92bfdee13edab30c7209f323a091abd0f2c. Chain 2 (Bitcoin): anchored in block 960106 (2026-07-29T12:41:21Z), 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/PYC842303958.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86ce9cd9719aaf129a195e5a577e2c9cd898c5640f73c86f04fac8ea150d33c3. 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/PYC842414542.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa556db112faefa18b9575ca9a0451cb9755f26087ea2f3fce435bc0688f2e974. Chain 2 (Bitcoin): anchored in block 960121 (2026-07-29T15:22:21Z), 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/PYC842414543.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdfb98854a6c0b04ad1b425bccdfcc122f74fd23c094a7b14f23bdec5117f4c12. Chain 2 (Bitcoin): anchored in block 960370 (2026-07-31T08:38:45Z), 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/PYC842414544.
70BPM EN EL SUIZO (OudiTheKidd, YungCxrd, ENZ0, $efxx, Mostrico)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c920c1879b23f1f6fefef731d16ef75c307f87f0546c7d292154cd92e962d3e. 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/PYC842414545.
SUIZA (YungCxrd, $efxx, Bengthekidd, Mostrico, OudiThekidd)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a6d5b12a2b6b142a307886bbeabe22f5e5e23223c5c6120b6726abc3f322904. Chain 2 (Bitcoin): anchored in block 960240 (2026-07-30T09:57:33Z), 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/PYC842414546.
STICKY (Bengthekidd, YungCxrd, Karma, YIK)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e396f6adace134f7f8414e956d90b3659a26418c7a37e9133af24a3606c4287. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/PYC842414547.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3fd7c0dcc66e7cd9af9c8af131bd6355a3750d14670266b775df53fce9a55d0. 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/PYC842414548.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9cf7b9b3fea1d342bc7c3761a10487001a8be3a879a5cc2617d6a6bd2b70bda0. Chain 2 (Bitcoin): anchored in block 960198 (2026-07-30T02:21:55Z), 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/PYC842304359.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5684232d0f2575a292fce029f8f35c6001efdc52414a186aaef3dfadbca504ec. 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/PYC842304361.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7862a8612bbe2aec540b3c3ae84e6634d1b3fd6f3508c3b20720d9230ae2a08. 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/PYC842301409.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2cde175a0e9d15e3d2c4c7b24f4c9910400597abdd4c62866fa74dd38b986bcb. 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/PYC842304363.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ea9d218ce2bce3356e2e7a548fa0e94d2d7cf79501cb0a7e64a94285a55b8ea. 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/PYC842405773.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde85a6f420eb06da2938c21bf9f7e4d43ed06b3effab083f84ea4f394f45dbda. 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/PYC842301009.
BENKA: Chapter #3 - In the kitchen music series.
FIQEER: Chapter #1 - In the kitchen music series.
NATO: Chapter #2 - In the kitchen music series.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf128cdfd08d59c43e8fb90a5ff2818f5bf45c96f67ded861c8d2976f92c839f2. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), 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/PYC842301972.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2ebb79a8f7347db727d2569aeccf98a5001af34204cef5e9a06fcd639dcbf26. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/PYC842301973.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9dc786eab11b58102ace6ccca5819cf0454b33a646e8c1da6ddf0a1cfdac88f. 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/PYC842301974.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02458ceef4f09cb7132860488c82378cd1436e8e8f6eb8decfe5f4679fb9bce9. Chain 2 (Bitcoin): anchored in block 960229 (2026-07-30T08:30:10Z), 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/PYC842301975.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd71c4c599de04f9ad5ca9dba2a1c85c7c66e0a4be1b8af3763e95169b95b7c3f. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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/PYC842301976.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c24878e249ecf82fad2f3c198980dfcf211d5ea5e7d50fa9e544e87d6b9b157. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), 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/PYC842301977.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb647e42f9beece088b1db099a586a4c5cd281e7e81293b576347089dd8ffefcf. Chain 2 (Bitcoin): anchored in block 959159 (2026-07-22T17:48:40Z), 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/PYC842301978.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c28d22e0ab0df4a78e5ee12fed9840dc51052cd60f7022c7cae55515d67e5ae. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), 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/PYC842301979.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff641b954b1f543a37b727c37d955956b47431a861a0536c635ee042ceeef5d9. Chain 2 (Bitcoin): anchored in block 960095 (2026-07-29T11:07:37Z), 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/PYC842301980.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdce47058a4bd4da1711d185402eb5ba820c19e85ba2270aaebd13d38c428f7a5. Chain 2 (Bitcoin): anchored in block 960298 (2026-07-30T19:26:00Z), 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/PYC842301981.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f432aefe23da5da8a7400d49e2482695e1ae8b3b4eb2b1959dd2e5ffc940f18. Chain 2 (Bitcoin): anchored in block 960309 (2026-07-30T20:35:49Z), 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/PYC842301982.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d22b983f6bb57032ef37bbb770a926b3ba7d4afd7430ad5ea43813809535c26. Chain 2 (Bitcoin): anchored in block 960236 (2026-07-30T09:37:10Z), 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/PYC842301983.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb43cd5bb9e022ab7f035a24070492b0ee48c38678d3705166d62fa3aa0ed29ac. Chain 2 (Bitcoin): anchored in block 960117 (2026-07-29T14:28:24Z), 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/PYC842301984.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4bbe4c0ed633d2aa2aeed3523e78e1fb58b9780fd8c801d791441c334c654d7. Chain 2 (Bitcoin): anchored in block 960321 (2026-07-30T22:27:30Z), 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/PYC842301985.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81d28334e73822ebc3c9b0874f8ae058ce4c49fb2baeef44575e16b962e7fb95. Chain 2 (Bitcoin): anchored in block 960485 (2026-08-01T00:10:46Z), 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/PYC842301986.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed309894f62b4b49a558cb813e37e5c000d8e45f46c0f0badff4ed228fbd1e42. Chain 2 (Bitcoin): anchored in block 960250 (2026-07-30T11:13:28Z), 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/PYC842301987.