Glashaus is a German band consisting of lead singer Cassandra Steen, songwriter and rapper Moses Pelham, and producer Martin Haas. The trio is best known for their mixture of R&B, soul and pop music w
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 0x16054ed3b3ea1d0171bbe8ffda7c8be84fa06d02dfa43b26989c34913d350833. 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/71a327c6-6778-4778-b8b2-f33891519026.json and https://artists.proofprofile.net/proofs/artist/71a327c6-6778-4778-b8b2-f33891519026.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 0xc07008fc4ee099d6c4b0b98950f9cba4ea74cd8e3eebf0ca98b378dcbbebd9a2. Chain 2 (Bitcoin): anchored in block 958714 (2026-07-19T09:51:44Z), 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/DEP950400176.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x741ca2e9a1be2fc982c3af120c9c13776ebaca114ef57800743bd1edd6393d8b. Chain 2 (Bitcoin): anchored in block 958842 (2026-07-20T07:48:27Z), 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/DEP950400179.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8ec26b1d025f7f545c09bd347795d72b957d127b9cf42f731876e18113fb7f1. 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/DEP950400184.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x741ca2e9a1be2fc982c3af120c9c13776ebaca114ef57800743bd1edd6393d8b. Chain 2 (Bitcoin): anchored in block 958631 (2026-07-19T00:50:09Z), 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/DEP950400179.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d21f9338735e277f4d2dcfa5eef0316583851c50897eb8dbffe83198d3a3ff7. 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/DEP950400585.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8cbef8fa58ff6f1dc51ecf84ae4abc5d2af45bfbb65a4827e4f6d0aebd71271. Chain 2 (Bitcoin): anchored in block 958897 (2026-07-20T14:57:46Z), 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/DEP950400100.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x095398b29bbc2a44feb28b18cee19cf7c644cf5925c695ec8d32a2fa68194d69. Chain 2 (Bitcoin): anchored in block 959001 (2026-07-21T11:41:42Z), 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/DEP950400106.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcea10a6b483bc701411b8f735d006259565e182afa70e1de5b878456568b06be. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/DEP950400086.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc87dbabecef9c3a78c72a298ef72f4bbe688c2db848f41ea37d38182bfabb737. Chain 2 (Bitcoin): anchored in block 959054 (2026-07-21T20:19:31Z), 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/DEP950400350.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd1fcde6b71f1a84f9f26fe284983f611cf5bba1d4590a59b8219581b249df0f9. Chain 2 (Bitcoin): anchored in block 958180 (2026-07-15T17:59:52Z), 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/DEP950400354.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c7eca0655a1c117a86810b3649cddd4659cc4d9a82d4b620973904957c7ae9b. 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/DEP950400356.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf212c3c926db69b20714b30e562405eb185e1cc1d0e2462bfb1ac083912caf3a. Chain 2 (Bitcoin): anchored in block 958880 (2026-07-20T12:33:53Z), 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/DEP950400357.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d19d55a659d457187c3cdd392bec88c42de5f8b16a0c69ab1ae2a99bb5f33d5. 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/DEP950400360.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaadba960de3ab6bf5bc05c3683b70a7b9bb3de826567c66f6f460d89a6ed197f. Chain 2 (Bitcoin): anchored in block 958951 (2026-07-21T02:01:41Z), 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/DEP950400174.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xabbe3e4b13d3ce791de00aac33ac0851a371cc67eefe4f8c9e4738cb7a4c284b. 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/DEP950400187.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc51c26df24e282141ca29a0e9cbbf36fb2c6d14905d2fc50c7d830338bc28f76. 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/DEP950400584.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d21f9338735e277f4d2dcfa5eef0316583851c50897eb8dbffe83198d3a3ff7. 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/DEP950400585.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92ead93d09beb0fad2e1a1f87ce8d1f9f6878d2e82bd334233f012b19209f889. Chain 2 (Bitcoin): anchored in block 959054 (2026-07-21T20:19:31Z), 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/DEP950400352.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d06ab44e022b202fa44287627ab4dc6bc9ba413995b64534d415ee0238eba22. Chain 2 (Bitcoin): anchored in block 958631 (2026-07-19T00:50:09Z), 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/DEP950900002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39cffdab19778ca81cc9a077ccd38b9e2934a5742e5730a316c20db6ffad9ce1. 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/DEE861601076.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9189834b9ef5f46b5d643dd4e5fa29d28f9f76c08fdf2dbfcb7a92400d66a93. Chain 2 (Bitcoin): anchored in block 958520 (2026-07-18T08:19:09Z), 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/DEE861601077.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61186f3ef79167755d120f33b33458e4cc37ecd399ce2afc2565507b4dbcb53f. 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/DEE861601079.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4037873b37e48d00d462ae4ca505cd3bc1bcdeccc2bc36b9c55eb43d16e3d030. Chain 2 (Bitcoin): anchored in block 959043 (2026-07-21T18:40:26Z), 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/DEE861601080.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0930b5e6e42da6eb514dd74ed3606e87ed2bed0236e046c96bf9460d7fe13fae. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/DEE861601082.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08b4471c3f9208031dd58e9a05bd13934b4e89f97e19034b1e89a91968b31b36. 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/DEFZ71000018.