Black Lab is an alternative rock band founded by Paul Durham in Berkeley, California, and currently based in Los Angeles and Montana. They released their debut album on Geffen Records, entitled Your
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 0x52ff32f9e0669d6e4caa17776168412972e4e524786e8e9d40c6904477ca028a. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1db5bf1b-6348-4ad3-bfdf-e3a8ea7e502a.json and https://artists.proofprofile.net/proofs/artist/1db5bf1b-6348-4ad3-bfdf-e3a8ea7e502a.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 0xd4190714cc9a75ad32c0889982a5a744792435ba6b33a018973d8dac893505d2. Chain 2 (Bitcoin): anchored in block 958404 (2026-07-17T11:34:58Z), 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/USGF19712702.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5abe5d0752c574587ea35de5d5a6a0d0e75cbc20588d636c581bd946b688777e. Chain 2 (Bitcoin): anchored in block 958448 (2026-07-17T19:49:21Z), 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/USGF19712708.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07144e24f151ec7864a50bfacf2224d27fc3ec858c9ff68cb42c5bcf754f1d41. 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/USGF19712712.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa050dca859c25d32e504063d0f2e39a155686ec561980c6bc07f9ca57ed98a94. 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/USTC20784999.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe5ab352d8a8a486003d0d75c2528f72e5abe86b082ebda5493003cd3d882932. Chain 2 (Bitcoin): anchored in block 958075 (2026-07-14T22:55:31Z), 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/USTC20785004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6409c3c6748f98e726a37ad71abae366a74ce7a7a52dd136651fadbd0490e10c. 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/USTC20785016.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x024bebde7b13c1a4df335b7340d7a27485016aa40210a44b0f7bc24ab8b43dd6. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/USTC20785050.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8457767572f2e41313606b8ad8ba922ece1b4fb517ae7d8dc5ed257201972448. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), 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/USTC20785054.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ddff293c7bd40a174761b1269c4c03075254ac2ec2fff5a22880f3816544d89. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T16:07:49Z), 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/USTC20785056.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x421fcb1af7eae831d10a16fc6bb6fe79f780b6dfda7064d81f7e69b5ae0e163a. Chain 2 (Bitcoin): anchored in block 957745 (2026-07-12T19:20:20Z), 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/USTC30752736.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd947221870a0c7feda70a052e1e386d52c3ed52a42f3ef538fdedb79b9f8a44a. Chain 2 (Bitcoin): anchored in block 958825 (2026-07-20T07:32:01Z), 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/USTC30752758.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x548b6bd3f2eb36bd88c7eccfa1ac2fa43b5997c164402f4279b0216bd3cc81ec. 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/USTC30752824.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70c8564097c045f65e17180a38234b2c099e3c41caf97b7c9f5d6549ebece4bc. Chain 2 (Bitcoin): anchored in block 958340 (2026-07-17T02:21:01Z), 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/TCAAS1032051.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe8ac1446583ee33205f0ba2dda531481a08c3b5dd621b2c14e1bf453113d161. 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/TCAAS1032054.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8487b7002d9ea3fcb94e518164c508f2f3e65ca257e9e8cc1f6b49ea7de8428f. 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/TCAAS1032055.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e6e584ac81724770301cc42ddf0bd82efb9cc0e6056c69a715631a62bc1850f. Chain 2 (Bitcoin): anchored in block 958163 (2026-07-15T16:24:03Z), 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/TCABC1124162.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x508727d11430a56762edf41a822e8531ee63f480c28074aeadc20448bb700a46. 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/TCABC1124164.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x642bac832d11a910812c5ac90b8916125d68c42d7ef7155e2e96d5a67f093288. 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/TCABM1305616.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe94a388c4989d86872245c9cd1f0a352d137ff03acc670c5570b9595443bf944. 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/TCABM1305624.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x99f63242722631e608bfe6e9a20f861043b9e391b153acfe3f187db82b10098f. 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/TCABM1305640.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8af4ddb897f83b72b9085faa69d7dbd4fbaf24eba95f4b0a706b4dd67133ed3f. 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/TCABW1471631.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcad485636d0c3c9bc185e57b8f1fcf18a948844d768e7a7aa74347ec3a5e3f6b. Chain 2 (Bitcoin): anchored in block 958163 (2026-07-15T16:27:41Z), 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/TCABW1471632.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3eb8f1ff975b9fe8b895be55d3d446e78422ff4e3882fc7c9a061d2425bcf816. Chain 2 (Bitcoin): anchored in block 957747 (2026-07-12T19:35:06Z), 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/TCABW1471634.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1eab2b5327e8540764dfe899a9ab8ddae9760b7873c97d09b279844e244f1ac0. Chain 2 (Bitcoin): anchored in block 958823 (2026-07-20T04:29:18Z), 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/TCABW1471636.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5b2a398f3d04247bb1bc5d75cfaf22aea4dbdb4f9cb038cfb4c00b5b637fc83. 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/TCABW1471642.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f1b81c40199e52e1c80952321738499a21a284efb5e0971bf84fe9b7a0b96f0. Chain 2 (Bitcoin): anchored in block 958216 (2026-07-16T00:00:34Z), 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/TCACU1611271.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e80b4c352b3e1863940499c461da244698b8349574545b9b46964c83eb55d09. Chain 2 (Bitcoin): anchored in block 958163 (2026-07-15T16:43:24Z), 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/TCACU1611283.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10f169c4d324b874586b10e608641ac93069415361e18706d16a5c7e77c1a6f6. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/QMLBF2010001.
This Blood (Blade Trinity Mix Remastered)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd82c46aa2730332a80bc6ef8d8aecb64b0bbd73ee4cf4aa2701f2244b39a8a1b. Chain 2 (Bitcoin): anchored in block 958711 (2026-07-19T09:26:32Z), 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/TCAJA2450716.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe53af87d7eb98e845ee2516980794aae62ce4182cceb7edeb4bb9b7ddf6cc38. 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/USEE10900658.