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 0xe17ce085a77355690ce1f7356dc97dbfe53c74c80b8fa477ec8478d4289d39d0. 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/e030c6c1-8627-42ab-abd8-93b4f83e4b17.json and https://artists.proofprofile.net/proofs/artist/e030c6c1-8627-42ab-abd8-93b4f83e4b17.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Rain on the Horizon, Sounds for a Tranquil Ambiance
Rain Rhythm, Ideal Environment for Sleep And Relaxation
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 0x30f6d69521eb3d349c748f6fc8e1132663a94d0476404d87a38a5dd98943fb61. 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/SE69Z2401038.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb09ea6dcc0e6a828da6637b9e5c2fb77782a4558cd6d96991952741f95d3cf1. 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/SE5IB2334031.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2959b55aad50e3925b5b212fa98621ab2533f64fd8c1dea69df36705f7d0a4dc. 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/SE5IB2327143.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdfc2a08ef34d398b820ef24f22403a0ca26a0b220360acda034b03a7c229b3ad. 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/SE5IB2309665.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf673882933cd1f1c3176c2117f8d000211f7f0a10496e67911093fe37d4c89b. 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/SE5IB2295751.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9105a92f1ed1b4b48736c1232b0c381ede92aa4d385ed34855b75128dddaaea. 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/SE5IB2295742.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x679e8f18939ed86e7f3a333361e32046990e73bd0b664c92f30d4632dd8f1a85. 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/SE5IB2295886.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x303b3b0e8c715da16c17bf78831c8fa904ebe6c28862bbeecaf0147426cc2ef2. 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/SE5IB2295235.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda9be16829238d08122b68e7fcd4819933912148302274da73107cfe1c530d5f. 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/SE5IB2298247.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0cb0795daaeffe5e3ee0ac32e3e2320aaa72de75bfa8d0104104d85c3053fc9b. 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/SE5IB2298244.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x884ec330f79601d5e5ccbd740dd14c7db8524888ccf55a68d77e63fb7dc6e6dd. 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/SE5IB2295166.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39e1373513d0bd6867ee5831306d6821f026985cff53ec5fc2208c67849ac075. 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/SE5IB2295238.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2eb1e32209ed11b8f5475194fc9e90f42533ae8927bf5d16c86236acd0146c50. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/SE5IB2307988.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x350456a80fd72772c1f868e8438d4ed94b21d83df155cdd0666e7dd738c5b4d5. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/SE5IB2298488.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x028264fbe116fc51cfe255de62cc1744ec87fb1a9e9a4acde33cf41441a339e9. 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/SE5IB2295739.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e6fab4f6688788cde1cce8f8620412dedb23cd3fada91fe6e6776967a7b500f. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/SE5IB2295169.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ea85bf48fd1894ce8a36ab4d3531c64b69b0c12c51c85566e814389d3db4b39. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/SE5IB2298496.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4481e24cb0feca1aa5b95e36f151ad468c53148e5b5bc6080e11c012216a8c68. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/SE5IB2298432.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc793b7bb8e8a27679023014fd11ef10fc5928829b399adf60aec5121508b7c29. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/SE5IB2298550.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x087abc1362706e2c54c33d113fb83c3443e678378fc7318ca4395a3d28a68c31. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/SE5IB2307442.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd366873c6b66efb8155fcbb6515bdd9beab92945c5bbe66fba9dc842d3740313. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/SE5IB2329667.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c6c537120c17cd4022a3394aa786d82294f0c94256594d00408b39234900bfd. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/SE5IB2295724.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc2588dd483dbd6c0ecea26b1b75302b1b202303f52be14ecdbf9888d91d7921. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/SE5IB2296210.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d46f9366bdbceacc0448795e361b51e2963a32543263323fad81586c63e5913. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/SE5IB2308009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5cb64f8e4ffe23141c00ae7e37db2ef9ada8946a2138cd297f00a83616a01ae9. 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/SE5IB2298502.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa37cf95ada2221d774ff480d8f45c096d222a56dd4b83c189d3bddffea95970e. Chain 2 (Bitcoin): anchored in block 959123 (2026-07-22T11:35:32Z), 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/SE5IB2298241.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7bd9eed24e26eb9599b2f614aac2905dce6e6aff6b1809572fb22d829d5439d4. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/SE5IB2298418.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85930eb5a366b9185d8f6f9f5bb626a20631bfcb750e8a37e58613e50406d7da. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/SE5IB2308030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1fc27fa8f95f7a3fdafb9d311f94d406af60b6f2620681052948c1bdd685488. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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/SE5IB2298474.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf673882933cd1f1c3176c2117f8d000211f7f0a10496e67911093fe37d4c89b. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/SE5IB2295751.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87ed021a7a7076814937ff9a399416b4722ab13fb8925d3a51bec8b403a37c3a. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-22T01:29:27Z), 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/SE5IB2308051.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdfc2a08ef34d398b820ef24f22403a0ca26a0b220360acda034b03a7c229b3ad. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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/SE5IB2309665.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x745bb4f1e35a4832f3d7e359312d48a55f877277cfc659cc8ddad740c7a25113. 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/SE5IB2298528.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3212432cd97b7f2f3dfa4ff85ab05893168c49a2e6b6df2e7e6c47c309afa5a1. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/SE5IB2295880.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb51f7006ae9850ee2d92949cabae4dc8a813752e60961e88a6c2045328715f1f. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/SE5IB2308000.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8182bfcaa629529ccbe4e0f4d0708a169f5d022b61a67e357d901f988ca70dc9. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/SE5IB2298536.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ac9e9a5b887cf2fd4b48500cc30918ce378663736a1856b6235357985eacdd7. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/SE5IB2298490.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1fa33f339935b38d02d2dc32bae18244d1f0e68b9e77824a234cda6bf853e8fd. 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/SE5IB2308828.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x66226d764de810609f290dd4b14d45df74ab58e812bb10fcba366aa8bc84fdfc. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-22T01:05:57Z), 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/SE5IB2331719.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x690567a2777dfd00bbd7ca019804ee6dd7f9190e9d770c01c4a3640826b46821. Chain 2 (Bitcoin): anchored in block 957065 (2026-07-07T16:43:21Z), 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/SE5IB2329739.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb55ec8eb9785c30d6b4796d909fa7dd34b4bee8a9ad68a7c061e5f4865b2c30e. Chain 2 (Bitcoin): anchored in block 957041 (2026-07-07T13:25:45Z), 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/SE5IB2298506.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe62a0da8a901d44678ff753fe6e4898bc2ab0d2715a4fcc75675f2e19cd18804. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/SE5IB2308819.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe92cdc68b5afffa6918acb891f1d34adceab76e9394d3fff53f0d6b15fc2a3df. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/SE5IB2334559.