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 0x0db786fcac33ccbcb884f3e898d740c30124f4e5eaceb56ed5adb5d859950974. 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/c1ff560f-936e-45d5-9b70-90c69121ed3b.json and https://artists.proofprofile.net/proofs/artist/c1ff560f-936e-45d5-9b70-90c69121ed3b.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 0xf1e6980c387b41fadb508d08e2d07b561eabb8961bd95e8c797a304751899178. Chain 2 (Bitcoin): anchored in block 958491 (2026-07-18T04:29:42Z), 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/GBLV61410885.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9dfcb7da360ddf8a0da00c6ba595c2da55edc90c47a15aa776ba0c2f4b208246. Chain 2 (Bitcoin): anchored in block 958779 (2026-07-19T23:34:33Z), 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/GBKQU1574264.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e2a2b057c572948488993f0dae0512257daf689925982aef7173f63e99df970. Chain 2 (Bitcoin): anchored in block 958256 (2026-07-16T07:22:18Z), 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/GBKQU1611978.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef6d2cc7eb384fa1ebcf2ea4bfc2003f5b19eaf2de5227ba338b1a2e7326c454. Chain 2 (Bitcoin): anchored in block 958263 (2026-07-16T10:58:10Z), 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/GBKQU1619866.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34a089bb6291a98d06d77abd70fadaa8ea9706fb6a7bb5e3fbb6946fafefbe2a. Chain 2 (Bitcoin): anchored in block 956637 (2026-07-04T10:56:23Z), 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/GBKQU1631571.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f311179fc7400ced8e12514d9336afe6bb7aa9dc6f1422d67e620512775da5d. Chain 2 (Bitcoin): anchored in block 958086 (2026-07-15T02:55:47Z), 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/GBKQU1688075.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80e9560979d26acecf73e4e4e2d6cf787e42ea7927636172ea88c8c205e690df. 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/GBKQU1710901.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xabc40c0c84b907e125d08439d2ad55c3b4b32140d196474461bf2809c4d616af. 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/GBKQU2032668.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc83f18f3a2d3401a2e1079093c3c652e6fee6a71d86cad0950203a1132a1ff1d. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), 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/GBKQU2078490.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62540b0e9ebab8e198d07cce995a8f946a33e72ab12b7a7341c983d664adbfc9. 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/GBKQU2078491.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x615816c985cc94a451ead4cdd21764aa6faf2a609d45a1d8e40dcc0e19da0c3e. 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/GBLV62011531.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa2fef268e7333abea1b0c3b6fe90a27936a5a4879cca68bc66f00d750230a76. 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/GBKQU2134729.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7286f608edf0f294cbb125db12164c64ff762f91ba6f15db161951c44c1c2c7. 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/GBKQU2134730.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e2434cb9d6597b17bf188c67aa5dd8d50ccf6aead466efe8942b63db9d2d3ab. 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/GBKQU2210587.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac58c0ef5ada80bf0ee7bf6947baea05b5a802adf870807ae391bc7be97ec866. 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/GBKQU2244581.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c0da35ffcd0b94ee8ee5fa2cda7317e2ce4646ac53e8d30076ca8ee48e3d9fd. Chain 2 (Bitcoin): anchored in block 958166 (2026-07-15T17:39:37Z), 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/GBKQU2244579.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d0324cfae8029e37964f14fdb40c957b569f5534152979056e95e693ad034fa. Chain 2 (Bitcoin): anchored in block 958607 (2026-07-18T21:01:11Z), 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/GBLV62208474.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa76666539e1cadba595bf2f0473a56e4486986c2f8259f795bf430154e2f7c8b. 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/GBLV62208475.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbdc19929940da03b214d36ccfcb2652af33eaa7479541b20be8d24e63ad6bf3c. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/GBLV62208476.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e2434cb9d6597b17bf188c67aa5dd8d50ccf6aead466efe8942b63db9d2d3ab. Chain 2 (Bitcoin): anchored in block 958783 (2026-07-19T23:33:01Z), 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/GBKQU2210587.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x675ecef81007ce755fd82ea6e7a71e91546497cc620316d78b2139e8230ec94d. Chain 2 (Bitcoin): anchored in block 958838 (2026-07-20T07:01:21Z), 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/GBKQU2357602.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd69f3ac5bf4bf4a3f9bbdcb3f5846caa8449ace4c6302c4caadaac01cac7ec3. Chain 2 (Bitcoin): anchored in block 958827 (2026-07-20T07:38:34Z), 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/GBKQU2357603.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55a55dabab6b4603b0f12317ec4709d7eb6d045a20eeac9537bafc592b7c1510. 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/GBKQU2379830.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41bf313290209b5efd7d2089e60c17ef6d32ab726bd71769d9a185d9a0bdcc0e. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/GBKQU2379832.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf875f50c9206683037565cf248809be9681ad3c95634fdaed7ad29f12b599d4a. Chain 2 (Bitcoin): anchored in block 958074 (2026-07-14T22:45:25Z), 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/GBLV62315980.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5cb21158d5c8de9f057d38d85191a90a3a07291046390eb8a9ccb57b975d56af. 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/GBKQU2406939.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xefb6c5f150e070b677cd170a9007aa117c14ab8a70ea4d55bd617dc552825ad5. Chain 2 (Bitcoin): anchored in block 958728 (2026-07-19T12:24:55Z), 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/GBKQU2417939.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe2405bef5f16ed64056de84dbc4ed2bd48b0ecc4fbdd428b490a0bf97cff863. Chain 2 (Bitcoin): anchored in block 957751 (2026-07-12T20:41:42Z), 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/GBKQU2421237.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x541963559082db76f535a00623557bc6461211f256e5a8ab330e2e0585461b88. 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/GBKQU2495058.
If I Could Turn Back Time (Guitar Version)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd772312f534f5d15f08a56692afa76fa5b5d259b592281eca3f70a738e882f57. 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/QZ5FN1889927.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7c8580fbefc52728636a54b18b66a0f6e0c7344aa7f2ce175f011fd76c4b75b. 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/QZ5FN1889928.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4d52d163717b27b1d428e2a4e097c4b1ab7cbbfb9260d939a5f4d4f01b0d51d. 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/QZ5FN1889952.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce3e7c9b9859560547d7ab3aca6804987e6626b7d0ca884fa7b6331a20660e59. 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/QZ5FN1889957.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e7320cf4b91c4ec637ff9cd8c661f4b150b1897fcb0f08227fa30c82a379ca2. 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/NLF711603475.
Electric For Life - Ibiza (Mixed by Gareth Emery)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe44a72de97191cc4e153ec00b176f305be55f1df4a5945e6e1ae29b16167464. 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/NLF711603887.