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 0x4a28dd58247dd2a9a76ccdc7bf1ad6ee652019bc70ba14f0d3759553b3de72b4. Chain 2 (Bitcoin): anchored in block 953750 (2026-06-15T06:12:23Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ab85ecb7-d43f-4ce6-a685-61ba0a4578e4.json and https://artists.proofprofile.net/proofs/artist/ab85ecb7-d43f-4ce6-a685-61ba0a4578e4.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 0xf4a78e7dd6597e0e9949881702acfc21c3b28cb646e6b74ab4c278948cc894b9. 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/QZGLM2471627.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a56c778a999b4a4fd0cb4558163d2dce7a76e93e0ce89410fd57eeb623bd0e8. Chain 2 (Bitcoin): anchored in block 960360 (2026-07-31T06:42:11Z), 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/QZGLM2471629.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc82c9558febebeb3bb61bedf9aa5e2c3451cbd3c339598622dbf8d98311ed5c1. Chain 2 (Bitcoin): anchored in block 960317 (2026-07-30T21:35:24Z), 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/QZGLM2471630.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca2e1ece2ea3cac4dd45b56504d406e87678d3dd97aae227f0e084cbb8509aa4. 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/QZGLM2471631.
Onde Haja Sol / Um Dia Te Levo Comigo / Mil Anos - Ao Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70561cd3ab00179c260a1e076540c51d9c1994d453f2853a7bcabe73e1f5acaf. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), 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/QZGLM2471632.
Seu Astral / Se Eu Pedir Cê Volta / De Tanto Te Querer - Ao Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe079881ae74e43703c9f70606d376f0cd207b5d438a02d90cd0a34fbf07e6e74. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), 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/QZGLM2471633.
Traz Ela de Volta pra Mim / O Mundo É Tão Pequeno / Querendo Te Amar - Ao Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x802c416b41f075a38b97df9c6a5008024a1949ad2b1c914c5fc10591fa50c26b. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/QZGLM2471634.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a616a10806e7c0a1109b3b10767bef5a765c6483a5fc3696a9a3698bfaf4c94. 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/QZ5AB1946896.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4634d4c6adbdd96b7dc0ffc4623efe729b5267e897a0fde3ec561151de80bfd. 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/QZ5AB1946897.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3a4b7c5932f5909c3ee4f2412a837b3f264e7a875b7f3648479055ecf0f3b6f. 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/QZ5AB1946898.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd463c6cb116be0db6b2a70a2826899f4098f74b1d165a8fa9444cd627c6285d5. 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/QZ5AB1946899.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ff942145005f9fe9b06ba0b2f9d0e5803caf0bdf1ae5ffe25ccc5518dd97166. 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/QZ5AB1946900.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb61b00da11f6ca77071983cfbf8d3105b5c060a60f6e0f779461f204fdde4ad9. Chain 2 (Bitcoin): anchored in block 960317 (2026-07-30T21:35:24Z), 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/QZ5AB1946901.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11defd3d2fd8d49007d3efd6afe24f5edb0d5fc37e12ecb6663dac60f00906d1. 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/QZ5AB1946902.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07acdcffd823325720bf5272f907c09c52b8efe3575bd1b9f3f205ccb8805e4f. 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/QZ5AB1946903.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce8a729b1783a2870ea24b7b3efc5a21127b60b59a8f3a7da3cc96c1b03273a1. 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/QZ5AB1629545.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ded7cdada80b5dabf09fbd3c4d7458d0fe51d5168ca69d68607dfd3411ef221. 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/QZ5AB1629546.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00dc376e0965a20dfa138cda186753742f23a5e2c657a79cf91b0098731634fe. 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/QZ5AB1629547.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x176ce56a00e1d803c570d03e201df3f0a7c3a14b0d394f762cebe5405e22bc82. 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/QZ5AB1629548.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x90a25d9f0ad3a557046d0f98d856724df677f9658f83e056296f5a2872c26fb2. 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/QZ5AB1629549.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65ed4543699e4aec85a8c56cbaf3e7be31305ce68e799a48350a8ea138398e28. 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/QZ5AB1629550.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x157ecc218f8a330e5fc34206116d7cbd610b787dcf2598dec65641f8645b6549. 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/QZ5AB1629551.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa15a69d459c4d2ae638a7f5ae93d9074b9a9d596935b6ac353fcda2f2eaeee78. 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/QZ5AB1629552.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x572e3f852a1b23c353e4b7fd64f7a2dc99de2054d98ba290f98ead7ab2449995. 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/QZ5AB1629553.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1882fd49c351a96c752884328607042ee6d4e4eaefcf8bf17a1880f095bf0040. Chain 2 (Bitcoin): anchored in block 960403 (2026-07-31T13:04:34Z), 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/QZNJX2381978.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc75b31f75ab220de11c692985df480839f6c1cdb18ee3d1ea7df9961941372bb. 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/QZNJW2303446.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad57884f812d04a528368b40f4c67dc1aedb0dd8cad6d5a992f8b5be6bd515a6. 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/QZNJW2303447.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea18b39d9263270b4341b86c2e2068a5d105eb7237a776a69e37634c52de6af3. 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/QZNJW2303448.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38ccd95d825af614ca78867f1bfb901b3033b0d91550a3d434cb6d5d01af9e1e. 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/QZNJW2303449.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32b4634ae44670c78e58d16f322ab2791e8460d5041eeeb213ba77508f67e575. 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/QZNJW2303450.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x737fbccbcdbf5f2567ae110ab7a1e00f2b8842f035256be09087a546cc5d7f1c. 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/QZNJW2303451.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x480a9819d263e8bfed835dcd1df69be6e6ff8c4e4d25f50e83bb6e65a854cc77. 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/QZMZ92340570.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a7bfa7119271ba83db9ae9895567a91fae8034898a68ccfc979f805b035cbb7. 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/QZNJX2264028.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16274cdafc111ada68588b8a903f5770935db9961e415d17d0611d7bc65e1c70. 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/QZNJX2264029.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xacb9c71fcbb04cdea7b4d3492ee2cd1db28a3e500cc4503ca9f371726e0979a6. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/QZNJX2264030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d6e7a6a4bcf70d77d99e7c6f944c748bba59eef4b7891ec1aafcd879b0734e6. 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/QZHZ42259429.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa96c3f1927e0342b5ecb64e9dc641bbb603d9dbe4a4006b8c2934cefc9889059. 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/QZ5AB1978730.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe82ee655293a5462f55a8b5ef28fc73f848c49f49b41cb68adfd763518e80abd. Chain 2 (Bitcoin): anchored in block 957253 (2026-07-09T03:08:40Z), 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/QZ5AB1978731.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4abe86a9c229e468fb16913854dee89414c90a83abb681ce5e607b10d32b841. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/QZ5AB1978732.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2279b5644e0ef2155ed5e4d46e9dc66488af0146e6a352ac9616aff28bef78c. 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/QZ5AB1978733.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde29172596ca337dd70a840b6020beb621fdf1a57bf6d326755be3eddbf3a218. 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/QZ5AB1978734.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe54966d350cbb841187e858c967579d87c1ffca631ac8fcb1d4fb03c9da16df4. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/QZ5AB1978735.