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 0x7157ebb1b7d56f8c87180e0c90df91e082f0af31bed4e6cd2a6808f46cbbed6a. Chain 2 (Bitcoin): anchored in block 953657 (2026-06-14T16:43:25Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4d2e9ae3-fa31-4024-8e0f-b722267f4461.json and https://artists.proofprofile.net/proofs/artist/4d2e9ae3-fa31-4024-8e0f-b722267f4461.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 0x5e6c8430b5b3abcabb0558b8f9013c09bb05919caf24e7a88d5d12ec7a6e938d. 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/ES6172424075.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22b763df9f49317f8a86c8e34c34d62fc4a71cdccedc24202f8495c8de0e3b6d. 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/ES6172424076.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x743bd5ee7d1c5651c4a1a3de4c2ea3d46bad993d9fbfbdcec226bd4421b590e1. 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/ES6172424077.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd23a6f2a07ba611668cd1bb0f641291bc077c57a5c7be3c3d09ab3fac9b96562. 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/ES6172424083.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed81af854517b0e64ae079bf3af5d2831f2ffae27cc4f43f9c1cf97ffb035850. 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/ES6172424078.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03ce738779c3a4a0eee840d5da3af3c842cb6a92caf6dad0cd50df1f31a2e5de. Chain 2 (Bitcoin): anchored in block 960509 (2026-08-01T04:30:37Z), 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/ES6172424079.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa18da16f7816de2f91cbcdf843e5a24c3f21ad2e78603aa252b94a1e387b63d8. Chain 2 (Bitcoin): anchored in block 960294 (2026-07-30T18:46:00Z), 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/ES6172424081.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36ca76b52bfb702c0f7111d76a3a071698208582ef7923f682058f5d09a4f6fa. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), 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/ES6172424085.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0f25ec6d34291fc780706e878c70a051922cc49e05321666c5ed24bdab3a4df. 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/ES6172222389.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2b9608d5065d8822dfba6a400dbf020f8fdcff9cfc3a2528864e5593c7d6d9d. 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/ES6172222391.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1439f19ddd6d0ba13b3dff5d9b6abcc566fa03bfe3cd905dc36da711974346a. 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/ES6172222392.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd6dd48c833d1e44ab698cbea315b31f2dc012e63b6ea263699d5ce053aeb37c. 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/ES6172222394.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfaa5067e5fc0cd533e3686aa9245c5393449266980c1d988199701dc13a5eb40. 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/ES6172222398.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50c71ebf5714d0d7aceff791c73ade8cb3f9728fbbd303d8be0c5495ecdf5d09. Chain 2 (Bitcoin): anchored in block 960111 (2026-07-29T13:21:01Z), 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/ES6172222390.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81dd865dcd5598dc91143192d2ca15056faccc094641b3042b2755d786c614d0. Chain 2 (Bitcoin): anchored in block 960370 (2026-07-31T08:38:45Z), 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/ES6172222395.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a0f35198190494a4e0152b49b237aa829be80f334662df3b8a52fbe2e0b429b. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES6172222396.
Hablaban con frases hechas (Remaster 2022, Edición Deluxe)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x857e222735c79830a19cc12076a15b5cd43947b1a37cc58f3d80fe199196400a. 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/ES69B1100010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ac0f43e9c96cd86f8ca8d50cb1d5e3f81fabe1563c1a5de4d72ee17f97c8fba. 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/ES69B1100012.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77148fce4def0bf671b29bec9d43dc9f0b99a07c378162b2a13ab04c0006aa81. Chain 2 (Bitcoin): anchored in block 960203 (2026-07-30T03:35:13Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES69B1100002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72910c1b6d6e5e7756fd452b0fd77c369d6f8e794243c3cf7c29d9f6c561273e. Chain 2 (Bitcoin): anchored in block 960337 (2026-07-31T02:51:48Z), 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/ES69B1100007.
Música grabada, saltos y cánticos (Remaster 2022, Edición Deluxe)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ea74b607003ad2048d5061c10943b6d321e48520c50d387e4736b8660123c20. 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/ES6172222370.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab47bdb367b713bb98beddc32090b455ea6f49adf0612a3528d9382b454c4209. 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/ES6069916409.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad9a80a17d79024c89166f039911bad13394597d41252b427621219e412b85d9. Chain 2 (Bitcoin): anchored in block 960468 (2026-07-31T21:25:57Z), 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/ES6069916401.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41d2cdc9ba99c5c1bd70b81d35615e50da5cd4f8ba10bf6c5cbb39297fbb60ba. Chain 2 (Bitcoin): anchored in block 960302 (2026-07-30T20:09:33Z), 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/ES6069916402.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa805b614c7a70bbf27a61281f1bb73f280964ad7268beb00f4f357d90601c2bc. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T19:07:14Z), 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/ES6069610106.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75b9fcb89cf103830b419b7b1445d6ca33a63400e14105841b6763860f1b51b8. 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/ES6069404901.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15289487438ba5345b7e504ea81774a229e74017b40e32395ef7f694a4a1a10e. 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/ES6069404902.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x383b7ede5175faa89873ea1caeb268569f03f371eceabd69d347ad9c4ff6dc3b. 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/ES6069404910.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03403840f88c1115e91d0ae25dbbf4217e62ea4bcd930ad867be5382f96a6008. Chain 2 (Bitcoin): anchored in block 960291 (2026-07-30T18:23:33Z), 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/ES6069404903.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa12bc4134ef78425f69845719532cd0a9002d3a56126d4717d248aaf3420dae. Chain 2 (Bitcoin): anchored in block 960311 (2026-07-30T20:45:02Z), 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/ES6069404912.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x706c8b9d4cf6e4e53993bb02851b35f9733ea40ec7a1547abe02689e168dceac. 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/ES6172323135.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x19c029d79462928f6ab6f39f22696f4102f2fcae49729d47459ff3a0e289fe3b. 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/ES6172323129.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a3867947776cd208a470e5cf3a93d376e89e343b18f5f890add3fecbcff682f. 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/ES6172323150.
A Travesty of 60's Girl / Dance the Pulga
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44cbe8d0d671768c62f87d589fa2e12dc70f2024fdc0c5aeccc2a71870102414. 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/ES6060229512.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d80a6900dd6fac13d71da1daa5d9b39369151d88de0c3b8113309267ab34940. 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/ES6060229526.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a241ff1f1c15a594e8a97f38d384507456487af39695776aa23af26265bf8a4. 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/ES6060229547.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9803024e63e1e52cb0824107381a5874377b7a412575850ce8bf69c3241731f1. 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/ES6060229548.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa08778d1827209f7ddf84cafb69746992450674662767b45db9fb45a6fb01ab9. 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/ES6172525004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d5ac38270574dc15a538bd7ccc1d54e0de481001dd2ad6321de917c9ade8b28. Chain 2 (Bitcoin): anchored in block 959128 (2026-07-22T12:33:25Z), 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/ES6172525005.
Gijon Goes To The Movies. The Dirty Dozen
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x60d7b59d2281f1b9911bb546afa80def5f8b16f869800c9057c3849656a833ad. 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/ESA031912997.
She's Falling In Love With a Monster Man
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ee4e85788c8c0c56eff8a0b982b5a14c36eabca3179cf7483dc006a26409364. 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/ES6069814901.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x60e5cfe03e6778a337423862bbd80162f63b5e486d2e41b269ef58800604bdc1. 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/ES6069814907.