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 0xeb250df754182bfac8f9b48db8689bbb25b0a0a2710d419ff8eccbd45066e971. 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/5e35609d-c511-4c55-bc1c-f883041e9074.json and https://artists.proofprofile.net/proofs/artist/5e35609d-c511-4c55-bc1c-f883041e9074.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Ignite (Light of the World) [feat. Je'kob]
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 0x13e5d0fb764f966f350a338eeb2d46af17df6668a5d73d4f23c0feeebddb28fe. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/TCACM1628329.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c63a3f375c1f6e463ba1f93d39b149537e2cd5ea17f339dd679321e7ba4760b. 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/TCACY1782680.
For the King (feat. Bryann T. & Triple Thr33)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37b4ca8c1fc49754258435442c295fed230aedace71368a31dc6111aa943214b. Chain 2 (Bitcoin): anchored in block 958180 (2026-07-15T17:59:52Z), 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/TCACY1782685.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8dc64f91df8c22e62d72a2c8a10cc956687baed087bfe16d8023a7c24f736bd5. 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/TCADI1706180.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8c9c0525cd2f7b5a74b0ed12c3eb3894cdcaf2b0f4bdbad30c659ae35249bfb. 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/TCADI1706183.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab99881f835d1833df84c2da7ef9406de530d59f78e0b0020c6b412a6fbd9532. 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/TCADI1706184.
Better (feat. Dillon Chase, Von Won & Jordan Lucio)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfdf8402e1ad80d6812f591b5acfeea0281fd18467bc2d44dee78db69aaaa1d2a. Chain 2 (Bitcoin): anchored in block 960210 (2026-07-30T05:21:45Z), 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/TCADI1706185.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa3a6c94c71ebdf58baf497e66a9c961043235ed7edf9380af10576b61c84008. 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/TCADI1706187.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd23c0015bea07cd200b0a649281bfc29785c1e50a11d608e05bb35ad878989d3. 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/TCADI1706189.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c2a3f36915d7de9119f2895f56261607a878d5e4f1cb681346db940ba01b8cf. 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/TCADI1706190.
[Bonus Track]: Altar Call (feat. Bryann T., Monica Hill Trejo & Nico)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce9f9ade3f82b03a2ca1cb8627cfd09325c4949ce15de63a31123272ff9985d3. Chain 2 (Bitcoin): anchored in block 959163 (2026-07-22T18:47:29Z), 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/TCADI1706194.
#WelcomeToChurch (feat. Spec & Bookie the Baby)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd399567143552bafa03b044a2e49c0e0e4d5e396ae4c7462dba7930f1c59d3ea. Chain 2 (Bitcoin): anchored in block 958951 (2026-07-21T02:01:41Z), 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/TCADM1896337.
#WitnessGreatness (feat. Bryann T. & John Angel)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x60fd0a1f0960f2fb2be178ef77fe0442df5ecb13fa6abd6ceb3058cc76489884. Chain 2 (Bitcoin): anchored in block 958349 (2026-07-17T02:28:59Z), 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/TCADM1896338.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbcd96a1a29148d642d356dff572129595e6639ad5c1b5937b295e955230d2832. Chain 2 (Bitcoin): anchored in block 958561 (2026-07-18T14:22:01Z), 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/TCAEZ2056438.
From Earth to the Cross [Chopped-n-Drewed]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a51b32868c2333c05f5f157faf9079dba10c3834699233deb9f3f117b7f7c08. 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/TCAFI2029685.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x485df414772a54aa9c94b2f5437c74a9babadc289f4d5213065dc52e29aee337. 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/TCAFI2029691.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xffd37b3ab5812a800d9c515c150831407c82897924cdd51aece9dc1bce31fa9e. 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/TCAFI2029701.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1219849a0b7145b453b8a442a287d4d08cb564207327527670b9dda791e17153. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), 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/TCAFI2029746.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0bef10e9e1824de32d66a2b17a889154d336ce69065852cbcdfe3752117e9ed. 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/TCAFI2029764.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7cc842c219f8ba4094b0b5eb64ab0ac2b094319705ddae46fbfb3909e7adb418. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/QZQAY2243944.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x084ea09321f0ce642544a626ce1bffbee9beafbf8877abc09d0035bd2e358080. Chain 2 (Bitcoin): anchored in block 958455 (2026-07-17T21:28:36Z), 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/TCAGF2209205.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7cc842c219f8ba4094b0b5eb64ab0ac2b094319705ddae46fbfb3909e7adb418. 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/QZQAY2243944.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb48359ce8b0806f95270f5f6d0a24ba6c1d0873a42b5bb130be937cc072aba6b. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/QZQAY2234802.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4152522bf0aaa4666b58029f896efe93d5f7357bf1b17b7cc52e4decbb1ef09. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/QZQAY2233412.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61357b57f1939d7dfc42171a83c5f860e2afda7b24b249fa602775451780292a. Chain 2 (Bitcoin): anchored in block 958180 (2026-07-15T17:59:52Z), 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/QZQAY2517689.