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 0xc168f3bd8ad97a3bea278544f5ebdec8cac8d815469dcb453afaea1b700b5a62. 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/9ce6a66c-bbb0-42f5-a347-dd4dc5294fbe.json and https://artists.proofprofile.net/proofs/artist/9ce6a66c-bbb0-42f5-a347-dd4dc5294fbe.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 0x38e3eb8440816389cd750d5b1ad6021ae87c70350a57df6ebff420db23dc6189. 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/AR50U2200002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01050ccbbea8579a58ea678f3045869655f6bba04be6fcf15e646e20b6dfda31. Chain 2 (Bitcoin): anchored in block 958558 (2026-07-18T13:44:16Z), 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/AR50U2200004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79ac8e43d0a412dca11043d920ea1f4433c284286195287ac5d0e04942349276. 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/AR50U2200005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xebc71c5c51f0880870cad2729112c564d2b23912ff86a6b932d345f724d2a8a1. Chain 2 (Bitcoin): anchored in block 958563 (2026-07-18T14:29:03Z), 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/AR50U2200006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5cac12e3e957e09814b2d27493430a9df33d9feda1b6ce4f8dd79d16023c7d8f. Chain 2 (Bitcoin): anchored in block 956500 (2026-07-03T13:55:21Z), 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/AR50U2200007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad2d4c9e54ca56fd6285ddecc1f9f7bb378aa69b14eb15219970920e876a98b4. Chain 2 (Bitcoin): anchored in block 958746 (2026-07-19T17:30:00Z), 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/AR50U2200008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f4440d5317c3c6018770004535ee40adf18053ab3c19c3db2ce86927eed5d7e. Chain 2 (Bitcoin): anchored in block 958501 (2026-07-18T05:33:04Z), 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/AR50U2200009.
Canción para el Viento, La Lluvia y Luchía
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7784e4c6127b284d6f785d8fcb6dac99d41f7f3aa852161439b09941bc4323b3. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/AR50U2200012.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc33f898fe62f3733e206b4dc7f7a155298c2ea2d7026ce56056c83a174567a6d. Chain 2 (Bitcoin): anchored in block 957754 (2026-07-12T21:26:22Z), 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/AR50U2200013.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x83be5e83b1e20a15421b06b4d87703a797c06b26cf60e7112aec2996bf65c296. Chain 2 (Bitcoin): anchored in block 956862 (2026-07-06T02:10:22Z), 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/AR50U2200014.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6239ca24eb266a8b3f1eaf28eb9967e98bd59a0d0dbccfbc9856ad8484c2cb0. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/QMBZ92193484.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4c4a0c4f518bec00b1b6f609c03bd85ff24c72384216818468ba786cd7ab486. Chain 2 (Bitcoin): anchored in block 958349 (2026-07-17T04:31:58Z), 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/QMFME2141064.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24004369771155871af92928b5f33b0cf94b067dd94311597804a85e30eab5b4. Chain 2 (Bitcoin): anchored in block 958124 (2026-07-15T11:01:46Z), 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/QMFME2141065.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec999647657e0e743e48fecd00450041121ed19f03191a2482b24edded7e5cfb. 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/QMFME2141066.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe981290aa48cd75c828f476568beb5253ed691d15b79e9e98046b0827cfdd2b8. Chain 2 (Bitcoin): anchored in block 958447 (2026-07-17T19:47:19Z), 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/QMFME2141068.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40e5da36f431050b0421842785d068904ece51f756dd7f41571676b2da4364a6. Chain 2 (Bitcoin): anchored in block 958508 (2026-07-18T06:27:01Z), 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/QMFME2141069.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf3ece5488de399034f8bb173add319822bc92153f7500c565cbb0e69e486bc3. 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/QMFME2141070.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d461f6c7fb23176c87cc0dc5d89bb25fe1b8228684fe4712b84b952163cae83. 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/QMFMF2113402.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa464d4e53c969da890bc18986eddec1d6240dba0ba57bad87d429b3a9316e210. Chain 2 (Bitcoin): anchored in block 958169 (2026-07-15T17:55:15Z), 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/QMFMF2113404.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd497d7b5b2dd9ed1ca7b4364e7132aaecfba46fafc2800dd8dbaceeb68190e9. 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/QMDA62187688.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58d2865c9ce3fbba0c39572075eaa6d18dcdd0785f1b6b11133eaa6a6e07cc28. 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/QMDA62187546.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98727d0d2bc5ee3bebc66aa2c6a597b2a0710286828fdd0ff8f609065e0a3766. Chain 2 (Bitcoin): anchored in block 958142 (2026-07-15T12:38:45Z), 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/QMDA62187548.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e4c50a835f1223e45f0a8ba6f4ab9f63791ee4612b468b809401916c18f171a. 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/AR50U2400002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0258ea3a55aab387a040023768e6073fc87c37391edc37bb87128155924b04d8. 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/AR50U2400001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x585de000e3e74dcd6e99b1b0d635f0366b733fec1d04f63b5ff2a08619d595f7. 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/AR50U2400003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb355cf6e203e71215a748912cca9d488506fa116f2ed0e288790851c26e98a76. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/AR50U2400004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e4779dd2084c40722abe9d5dee6f3663b361160b97f7b091f9d4af8cefc4476. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/AR50U2400005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d4b1f1836d13280590cb189be38e36284aa34e9e1ddf701c2b2ced74e7107d1. 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/AR50U2400006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xecfb25981126eb4b9a30ac146524ce410738f6d7365b1dc094e446124e268e25. 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/AR50U2400007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38960f590385c6462f8e1f31c5f5b9748ea9d765de07f467f7c62f03c24ae722. 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/AR50U2400008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x440ae5e2016b60b1f40eabeed717ec47dd1993827474e10a59aa8d7b245c6169. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/AR50U2300001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad418d51497f4ad7a18fbb284f6336255ac21e6b586fcdb9809071c99e9855b1. 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/AR50U2400010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36b20b60ee44446a399352f6015f2a47235fcaeeed2072863f307641f7846933. 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/TCAFE2091809.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x221a50a30b7c6fba7e64eda62a428e1ce966bced80ba4627deacb069b4d1a23a. Chain 2 (Bitcoin): anchored in block 956970 (2026-07-07T00:37:51Z), 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/GBMA22099357.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3989446ada9e78f1e3f22b33ff96cb9bb6fb25e85b9d40216046ced388eb0ffd. 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/ARZ872000002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ae1a2df3e69914531798dd3800bd5cd1548b0fe79103ccf575d9e5c03400844. 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/PEAM11603003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcfd43675817ab389ca8b1d4551130772b4b3fa9f38461c24eed664b9dd10d315. 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/QZ7R42151066.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x954b42f9152431838e6e4649869350688cf474ac047facaee4203f98178fdbbe. 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/QMDA72370144.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x954b42f9152431838e6e4649869350688cf474ac047facaee4203f98178fdbbe. 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/QMDA72370144.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd3b8030065e54c703f331f8fff6f6ffd7251d474f66a7b5d0ba62894dadd273. 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/GX3Q92358306.
Semillas (feat. Perotá Chingó) - Acústica
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa8698849f5901d3baa92d5b38bce054fd35888071f63d16d3016cda9f793576. 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/ES5151901622.
Claridad (feat. Perotá Chingó) - Acústica
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9140c15af836c4aee65d7cbc911adc8b212643ce028f77d102135cd337f0d736. 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/ES5151901627.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4688328dc635d36565c4f8f7e22a39461e041d8ff460627b5fdc5722029ee5fe. 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/ARF102100243.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea235a7fdd5d4ff7822afda954431b39b43a74b00d0f7ab40b035dc961a60ed8. 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/AR1K22000021.
Insostenible Irreemplazable Rock and Roll
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69b61cf599ddf1534dfc7cf3128834c73e46db9a9eee96d82441610db71a2ad8. 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/BRUZ22400010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc30a4d3df3fd1ad2af315864dbdd6ede46b544c8ce24ffe759b88bc504065f51. 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/ARX2B2100003.
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 0x4f9ce41b5035689716c89aad64729657805c5c964db1102f7d5b84f1cc61501c. Chain 2 (Bitcoin): anchored in block 960273 (2026-07-30T15:42:38Z), 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/BXOMO1800011.