Pseudo Echo are an Australian new wave band formed in 1982 by Brian Canham (vocals, guitar, and keyboards), Pierre Gigliotti (bass keyboards and bass guitar), and Tony Lugton (keyboards). Later member
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 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 0xffa8c7cc1375713f4a397fc3526c3acb7f496e73386707ee6fcbbf23cda40f67. 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/7e00845c-8728-4012-a4ce-690243a26ad1.json and https://artists.proofprofile.net/proofs/artist/7e00845c-8728-4012-a4ce-690243a26ad1.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 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 0x2d4f8fa0ac2aaa3b1a2cd62af9aad3f0be02f10dfae561cecc5e4c949a9e8c83. Chain 2 (Bitcoin): anchored in block 959114 (2026-07-22T08:41:42Z), 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/AUUM71501014.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9bac6cdf05cf61c746848d19c80f41eb2bab7f48f69893167c10f9ce90cd4ba1. 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/AUUM71501015.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63d3dba19545863b1579c8dd16d4aeefa31d851e75f400a7798c33c8c0fa1df9. 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/AUUM71501016.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3613339b707d41e8bcbde17674f6c98fa00cf2954e82c2706a96d5e0539d6f61. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/AUUM71501017.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb515310425cff667106d475ca7c780b3381754ed046180ab06e2fb158a16c285. Chain 2 (Bitcoin): anchored in block 958931 (2026-07-20T21:15:01Z), 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/AUUM71501020.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3010530a8e9a10eda0b8704489daf793a6a7ba5224dae7166abe9660a4c475d5. 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/AUUM71501021.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x369b41c8ab1bc49b86d5bfa3375237f46631985f67c30dc37a1c500eded299d0. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T19:42:29Z), 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/AUUM71501022.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8431378e0c60190a2b81f87445d1fcd77021f090452ea2cc8f081edb5cbe31e. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/AUUM71501005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7349a23c8fff50fa6fdaf79589e7951f5b57491a8a37ae571a8d4a988cea4e1. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/AUUM71501006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x872f3c3fad8857524ddb13caf48edb02fdd7362d2ed8000835dfbf5b66880409. 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/AUUM71501007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb836ed63223b16729884941854def000f34b7a35b36341e300e0cb0b812d50a5. Chain 2 (Bitcoin): anchored in block 958600 (2026-07-18T19:24:05Z), 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/AUUM71501010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x604b217122d469ed2f9bd69638b97acc24ad4fff30ecef99a5f6e388b25b0db8. Chain 2 (Bitcoin): anchored in block 958480 (2026-07-18T02:58:58Z), 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/AUUM71501011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x694738daa40c454f448908b87170027497cbe81e541f9fa5869b456b5d5e2c3b. Chain 2 (Bitcoin): anchored in block 958366 (2026-07-17T04:59:09Z), 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/AUEM08600021.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd7aa6a317a6bd04ab428424572caed261eba9e0d7da7d61439dae7a5c34358a. 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/AUUM71501023.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62eca51c37f3f3ec9aa399e7fb8e54f1ab17f7b869ee1a74cd8f6c1252744339. Chain 2 (Bitcoin): anchored in block 958788 (2026-07-19T22:07:06Z), 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/AUUM71501024.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb54e9ebe2ae6e7e7dd6b182377f9a902c5a2a92273f9670752c8b310ba23232. 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/AUUM71501030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3229661e87ed8dcc3dda1204426f90d99f6fac347781739ba9304d3677aa1f65. Chain 2 (Bitcoin): anchored in block 959091 (2026-07-22T02:33:54Z), 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/USDY41517971.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x566d71cb8531b5cac6269cb26e9dec347806b94f90c8a8ced6b9e9f82a19be8c. Chain 2 (Bitcoin): anchored in block 958980 (2026-07-21T07:04:12Z), 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/USCGJ1597142.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e2a93048bfad6aa26d8dc45bb7f151b0b82467d7bf8f08c7c435e1690697494. Chain 2 (Bitcoin): anchored in block 958924 (2026-07-20T18:54:07Z), 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/USCGJ1597149.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51d3f706b0e661d3bf10bbd958f3d7a740dd401c4a25b06dfa88ab7c1669ddbc. 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/USCGJ1597152.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbbd187715ad0479b9146e90e993fc5ccf85df5eccf972f86063b95189b90ae80. Chain 2 (Bitcoin): anchored in block 958461 (2026-07-17T23:18:11Z), 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/USL4Q1735928.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x688bad02da9964cab93cbf46eb92a78c88fc8b03781caaf9cd4870f2e2596e33. Chain 2 (Bitcoin): anchored in block 959107 (2026-07-22T07:19:23Z), 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/USDY42092300.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c23c4babb41bd807c49a53df1e636dcc9494ecb5f8314a5fffab8d374ef2206. 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/USCGJ2281047.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x721894f0d09ec63de80bc0f3b7ba029bee35769100a4a8ea5c5b20f0058048f5. Chain 2 (Bitcoin): anchored in block 958771 (2026-07-19T19:27:18Z), 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/USCGJ2281034.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3888d29f26c9b171b8304b7fd743aaade5a54011acd96f4c241bd28f4ed40741. Chain 2 (Bitcoin): anchored in block 958517 (2026-07-18T07:54:29Z), 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/USCGJ2281036.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb6cd918010758ea103fb278254d9edeac75f7c88c35fd7647663324fa43586bf. 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/USCGJ2281044.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8e6664ffb82fe7ee1f873ac3d38459f9f88ab53c8ac8ab56b0b1ef2444e18f0. Chain 2 (Bitcoin): anchored in block 958779 (2026-07-19T21:08:39Z), 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/USCGJ2281046.