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 0xcefb9f91091384159eb15a687be180a697d89dd4b04c2a2b2faae57d160bfcaf. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c1456101-4030-453d-a0a3-a5e2fc3db792.json and https://artists.proofprofile.net/proofs/artist/c1456101-4030-453d-a0a3-a5e2fc3db792.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 0x155063e2bc74f1fc870e362b4dac4d39de945b1ffc00b2d57bf42d72e60c74bd. Chain 2 (Bitcoin): anchored in block 958286 (2026-07-16T12:43:37Z), 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/PEBQ91810601.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b6d88bd06f1d6f24e697ebb54a20fcd8bdf9bf19e161b15beae88bc42eec8e7. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), 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/PEBQ91810616.
TODO ES CUANDO TIENE QUE SER (Interludio E)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x440fcbff533e808540b8e9b758179d1908b3a162a8b0fc9ff2b705b1503e2fda. 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/GX3Q92097683.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeac49552b9c3e85a2d1adb04dddb2f2d747e348312a38d8fd20ecfa1553d3f64. 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/GX3Q92097684.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3eff76cfc2cd27dd81478ba762ba1c6449ec7975279f1da2f557a45f8e9e4fce. 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/GX3Q92097685.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06e767f9d6c6588ab04d98e45b06115e3f86548c4581d689d540315c6c626a41. 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/GX3Q92097686.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b1281b7c2a7824683ac8b33f1ac72a03afec2dce31a91a55b3954b25f1b7cfa. 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/GX3Q92097687.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38fc18ac225296bf8cf8712876ad65110b29442ed679e89899537041ed3521c2. 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/GX3Q92097691.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e2456d74f41d75fa50b30078c43c57d4117b1e5f6257f1cbf95b751936a2d8f. 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/GX3Q92097692.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2cb70f364ff03446ba4e56b0a764a21d22e255e8ca0bf5039d50ab72a07a0590. 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/GX3Q92097694.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6feb121422555d328b7d491a922ff28e5d97e846ed4a3fe6e8db21ead5c2de9b. 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/GX3Q92097695.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x105ea8cede8eaaf39f8b53293685d108d47430f0fd07eae69e7d6e1d095cb8fd. 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/GX3Q92097696.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x558215f1136c0cb23c8a26692a62f7fa5a02c4ced3da449898940321a5bc9b7f. 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/GX3Q92097697.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeac49552b9c3e85a2d1adb04dddb2f2d747e348312a38d8fd20ecfa1553d3f64. Chain 2 (Bitcoin): anchored in block 956576 (2026-07-04T02:06:47Z), 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/GX3Q92097684.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b1281b7c2a7824683ac8b33f1ac72a03afec2dce31a91a55b3954b25f1b7cfa. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/GX3Q92097687.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x068be681b3fba6a03bdff01a9b30a131da2dd2f1f1dfe1188770a5651dc6d3ab. Chain 2 (Bitcoin): anchored in block 958951 (2026-07-21T04:47:43Z), 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/GX3Q92097688.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2cb70f364ff03446ba4e56b0a764a21d22e255e8ca0bf5039d50ab72a07a0590. Chain 2 (Bitcoin): anchored in block 956440 (2026-07-03T04:03:57Z), 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/GX3Q92097694.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd348082ca217dce02b19eb2b98ef13108965c49bb9b5237cfc5515310e9ced4. Chain 2 (Bitcoin): anchored in block 957771 (2026-07-12T23:27:28Z), 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/GX3Q92099259.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64675b62f65c878f38ca3aa63cbfea02c230b21a9759bdbd76ff1572ceeda2a4. Chain 2 (Bitcoin): anchored in block 958263 (2026-07-16T08:19:47Z), 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/GX3Q92099846.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x124f1b1d79311cf1031668fdeef8669f0719995107ad0a7be0babe7bbf727d81. 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/UKXN22300167.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb78eb116eff318f0f075cdab84f98bad5840dcaf164c7937f8e08e997612da00. Chain 2 (Bitcoin): anchored in block 958170 (2026-07-15T18:29:57Z), 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/UKXN22349591.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb78eb116eff318f0f075cdab84f98bad5840dcaf164c7937f8e08e997612da00. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), 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/UKXN22349591.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86681d368b5f52ac9cd3b8bfb440eeaece9fe35af02dd3d493f15fb25167613e. 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/UKXN22349642.
Mala Costumbre - Ovy On The Drums - Spotify Singles
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e244c42ff0b611dc740cde1061c1c6919374c19f7caa9564f1f452183646fbe. 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/UKXN22349806.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6719f85113710c745a9c7793ba869c608f01b0fd1ddb95546efe628e8dddddb2. Chain 2 (Bitcoin): anchored in block 958194 (2026-07-15T20:32:27Z), 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/UKXN22349807.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x435e58ee61b1dfea70efdb7cb16698aa4d3b066bfc8d37a4e309a436b255f3b3. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/COSO12400023.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf56665ab0fb2cc4a00978a2e682ada9111f62da26e346cea2a59408293c24a72. Chain 2 (Bitcoin): anchored in block 958169 (2026-07-15T18:27:03Z), 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/COSO12400109.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f0a170c93839582310beeb7b7930f55f6403adab6d85bae8e8c71b05cdc69a7. 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/COSO12400121.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1826c1f8e03ffc667ffbed7ed2f2b7ac92128aa1142b13648af7ca688a25111. Chain 2 (Bitcoin): anchored in block 958428 (2026-07-17T15:15:14Z), 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/COSO12400127.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x435e58ee61b1dfea70efdb7cb16698aa4d3b066bfc8d37a4e309a436b255f3b3. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/COSO12400023.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ede77111d2429b968c259b6b54f94f8f5b86c60485de6550bf16b2fd794960d. Chain 2 (Bitcoin): anchored in block 958176 (2026-07-15T20:00:28Z), 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/COSO12400124.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00bd0308fd11deddd80dfca0228f6ad81aff32c6bf85548539bd59dc810764b2. Chain 2 (Bitcoin): anchored in block 958350 (2026-07-17T02:31:22Z), 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/COSO12400128.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc7a85db08f1d9f425bf803a3a230cf476bb501d4cf50f22aeb4fcb9913697af. Chain 2 (Bitcoin): anchored in block 956742 (2026-07-19T22:31:06Z), 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/COSO12400150.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e1ce60b1a75246a1e1ecac78d0340632f0363c86dec2ac71150bfa637b97ff6. Chain 2 (Bitcoin): anchored in block 958842 (2026-07-20T10:06:03Z), 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/COSO12400131.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa6d41da950ca9f85e41ed087ecf1699841e6e71f4e6c034005c0eb3693fc0afa. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), 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/COSO12400145.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74a4b459a1bf9306bf10cb195b4d88d455bc769791248f29c21ea0aefff47e7a. Chain 2 (Bitcoin): anchored in block 958644 (2026-07-19T02:21:25Z), 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/COSO12400125.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7dc1a550f5d6ccf345d623bfed01f59ecca840b6def014d41bf4c18eff2fefa7. 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/COSO12400088.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x504a5d43410773339501464dcbc852c95828905da24a010d29b43e150e7e699f. 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/TCAIB2431005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7b9e8b412bc66d7c84ec2d2d3b49e36a12f39168ca35fd5e700bf4da4ddc2ae. 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/QZHZ32128834.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7dc1a550f5d6ccf345d623bfed01f59ecca840b6def014d41bf4c18eff2fefa7. 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/COSO12400088.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a197b59f13a1f5ed6870fbddf5a482dd71324bb885a94017545f3177c6cecad. 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/GX3Q92099389.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a197b59f13a1f5ed6870fbddf5a482dd71324bb885a94017545f3177c6cecad. 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/GX3Q92099389.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8a8924196bf6b0eb6e5e1c217475d7e707a14e2dbdfce88462d139168bf50a9. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-16T13:49:15Z), 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/GBMA21874862.