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 0xc021583c74ea960baaa7468540725e92e79d71d0fe7a225a36463844647f6e74. 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/410d381d-8753-402d-9823-2f74aab54335.json and https://artists.proofprofile.net/proofs/artist/410d381d-8753-402d-9823-2f74aab54335.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
De Reventon Con...Música de Guatemala para los Latinos
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 0x8761be6118aa01c41967ae5e08058bd59466628fbc1eb2ed826f65837404ebef. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/USBKY0507391.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xabb0900f26ef5d821b7e9e1f76c7153751a4d001bad178575c0ba4c83799561e. Chain 2 (Bitcoin): anchored in block 956790 (2026-07-05T12:31:54Z), 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/USBKY0507393.
Exitos De Los Chicos De London (Instrumental)
Another One Bites the Dust - Instrumental
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34215c6e680c36e11c165cf6dc4fdc6deda71c6f39a9ac7f00d4075c1170aa5a. Chain 2 (Bitcoin): anchored in block 957750 (2026-07-12T20:39:38Z), 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/QMBZ91418544.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38d8efc532cbf64556e1757ffc58e1f5490957e3c034fa3c0d6e6091fd9c9bf6. 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/QMBZ91418545.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa6af13d1cd0379811f1c1917940c3594e12ea460481d0e9c771c645a7252dd1b. 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/QMBZ91418546.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54e31253d8e21e9fad4d0077a01983bd20eb2a3f585beaa00026109f381c5203. 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/QMBZ91418548.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd88723020302e453cb2e37cc03bf82cd23ea82544ead1a46820751c6334f726. 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/QMBZ91418549.
Crazy Little Thing Called Love - Instrumental
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf964cd47441869cabd81d25910073006dda90cd1094e251585ec7222fc5e81d7. 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/QMBZ91418550.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61b5b6e03916cbe86fd1ac0f20d0240bb1bd20d237022145371c647f5ea6f9ec. 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/QMBZ91418553.
Exitos De Los Chicos De Liverpool (Instrumental)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc26ad2f4d03e466cf9275e280f2e8873989b987c10a6d078e12d9376cc098113. 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/QMBZ91418585.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5f891b2cec31ba6b673d54be5bc7248864ea737cdb9715f479553663488352c. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), 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/QMBZ91418586.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x016df9c9e223ddc2513e30834f363ace9fcfabb31921437183b0cf165a1f8c8b. Chain 2 (Bitcoin): anchored in block 958846 (2026-07-20T10:40:50Z), 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/QMBZ91418589.
While My Guitar Gently Weeps - Instrumental
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63c790bcd986bb57a7c8d151a34caa439b668245d30eef9e2510c764b0935caf. Chain 2 (Bitcoin): anchored in block 958462 (2026-07-17T23:17:53Z), 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/QMBZ91418593.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7263aa6428da5d566e55c6f329d6d47eda9eaa226641c07bf2796932e8a15916. 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/QMBZ91418595.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4cb0df90ba2aa2e8e2e1c99fd5718b17d037cca08c7dfb49668867b49b89981. Chain 2 (Bitcoin): anchored in block 958733 (2026-07-19T12:51:21Z), 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/USU6V9995850.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd242b85126fbe8e52617f59ecab6ff4dff3dcd10990bc24a3553bbd794f72b2. Chain 2 (Bitcoin): anchored in block 957882 (2026-07-13T16:48:10Z), 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/USU6V9995854.
La barca de oro - Live At Eilenriede-Halle, Hannover / 1977
Ein Show-Konzert mit Bert Kaempfert und seinem Orchester und Gästen (Live)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98eaff856c60e6ff6f147d7c9e09bacc139aa19037ba2d2f0307de22dd510af7. 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/DEF067701180.