right|thumb|Malin Byström is a Swedish lyric soprano. Malin Byström (; born 3 September 1973) is a Swedish lyric soprano. Early life and education Byström was born in Helsingborg. She studied at the
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 0x6c7175f5f6b7a2525c322dca67f9404d5fc4a3a51580f2cc448fcf5d52ec0a94. Chain 2 (Bitcoin): anchored in block 953968 (2026-06-16T16:01:49Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/28f8a176-186d-41c3-9030-0d97d43b1eb3.json and https://artists.proofprofile.net/proofs/artist/28f8a176-186d-41c3-9030-0d97d43b1eb3.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 0x5886d6edabd6dc46ec5c9cd849702167f1901a32b5774343d7c4a084aa4993ea. 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/SEBAA1901101.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf732db71e3637f128a5eded4308043fd544f98095575fb456da6d4e052f9244. 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/SEBAA1901102.
Sieben frühe Lieder: III. Die Nachtigall
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0e1eeeb642c8d7b064e3a343f1ea8f1b2c2389ae7955d9997cf9bd94c48744a. 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/SEBAA1901103.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe77297b887610945a7f16d23babd2a41dac06468000f01f8eb0f4709fb40e933. 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/SEBAA1901104.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40631d8ee9dc4a641608b94d86ebb751fa0b3e5ca8f22e1b5c244e38487a1b43. 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/SEBAA1901105.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b66063fddb4e31086a0956cf1dce66d0ddc238f0355894c2c8474584f413cdc. 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/SEBAA1901106.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe75043173d1005eb89363dc5ed86339a5505235f8bda3701897777a33949a32. 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/SEBAA1901107.
Orchestral Songs: I. Au pays où se fait la guerre
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8edc1738cfe0a1fbfc68bb768d1cf4f6b219ddfeea4ea781d159da840d0eb111. 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/SEBAA1901108.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x347a2ffc012cbd45462feacdb0365df9c3bbf26ae7c3367e0782825854aa581c. 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/SEBAA1901109.
Orchestral Songs: III. Le manoir de Rosemonde
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb51fa738e4a975908d08569f97fd419741a01780454db4c0a1786737e0e41573. 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/SEBAA1901110.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf7f26d08665b31229be8ddd92a75ffb2ffa05db415dfc41b79aa891ac1d2c30. 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/SEBAA1901111.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24df73238278a3c777eed3b97958d09b9eed8f8fc9247f80bca593a8bff81469. 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/SEBAA1901112.
Orchestral Songs: VI. L’invitation au voyage
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8cfc187da4f67a0ef40438877d8600e06ad0342cf6d7a2cf8b35a8a08f28c0a2. 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/SEBAA1901113.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f3761de717cb35cc414de54f39dca2500f90b358d25c4c657d0a3dd4bf54511. 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/SEBAA1901114.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7059682d72425c669fafff28cecaf78544739a4532c6d96598ebe34813fecb7. 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/SEBAA1901115.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22275652f6bf3134a5710a2754f8d34d1306e7d16bb9aa665a4504bb9995d903. 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/SEBAA1901116.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9370b0d10645127907620a3619a23582f1aba50f35441f1649ef6b1f45bf5c5c. 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/SEBAA1901117.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba49b015220ce42c23acfd1217964220c2994c06dda275f4745e5163c7e1bd48. 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/SEBAA1901118.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe37cb80b13c085bacc97c95077d4ef8de7abc8132d5842637742a771c10706ba. 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/SEBAA1901119.
Janáček: Glagolitic Mass: III. Kyrie (1927 Version)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb2b8b047a8775773f36cb55d289e169796f529d45e757d2b8d650e1c6650664. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/GBPFW2200003.
Janáček: Glagolitic Mass: IV. Gloria (1927 Version)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3eaa82da77289f0771c90e0eb39e46a5151977da479909d36dc6265b41f1eccb. Chain 2 (Bitcoin): anchored in block 960349 (2026-07-31T05:23:41Z), 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/GBPFW2200004.
Janáček: Glagolitic Mass: V. Credo (1927 Version)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xffa222724be2be364bcc41a6983eb8dae8df1eb2d14d14cb8a5c734bd2aecd3b. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/GBPFW2200005.
Janáček: Glagolitic Mass: VI. Sanctus (1927 Version)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47549a5a7a4232a2bc8d900afe11917362d4fe21c256a602d32949a79b42bd97. Chain 2 (Bitcoin): anchored in block 960340 (2026-07-31T03:15:04Z), 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/GBPFW2200006.
Janáček: Glagolitic Mass: VII. Agnus Dei (1927 Version)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x755a9717c98b2a9b48f7c380e5f757617695082b5dafd4f13d63904b5db34d08. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/GBPFW2200007.
Rossini: Guillaume Tell, Act 2: "Sombre forêt" (Mathilde)
Orchestra dell'Accademia Nazionale di Santa Cecilia
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3b2312c6e0e593d0a9795037fc24d7665a2f12ab25faf6f9c7836d2c2f98a35. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/GBAYC1101292.