thumb|right|Magnus Lindberg Magnus Gustaf Adolf Lindberg (born 27 June 1958) is a Finnish composer and pianist. He was the New York Philharmonic's composer-in-residence from 2009 to 2012 and the Londo
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 0x588efca83a984abd2b5722de3d5ea7e4ed30a1ac794fc4a95939d8aef6798cea. 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/275ad987-a683-4eb2-a3a6-d5c0a3902546.json and https://artists.proofprofile.net/proofs/artist/275ad987-a683-4eb2-a3a6-d5c0a3902546.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 0x194dd8faa3d3ebf9d23f8dcd703aae8eb02d3b30850146ebe98ef4c5078d75d2. 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/SEAMA1200414.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9deade58638de6cab10eb5f9f49b32a8b8644596c43b93fb5e584270aa44ebac. 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/SEAMA7527020.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf75f1c7a62adfdb2db20310b45b1e818f43b1e1c1fefabab26a3485c153ae3da. Chain 2 (Bitcoin): anchored in block 958340 (2026-07-17T00:53:26Z), 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/SEAMA7827040.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb8457ef988e4c4044d3cbbaa25a96a46fb775b54ec5b8df8dc54bdd23c590e1. Chain 2 (Bitcoin): anchored in block 958942 (2026-07-21T00:24:07Z), 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/SEAMA7827050.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1676b3b25580892bf91cbf618335922bf5983f667ff88980de4230c0461e43e. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), 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/SEAMA7827060.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69769df98d3e29407e75b0e2e80d9a795f4ec3926aa67e3d1b8e87d6a9bb6a5d. Chain 2 (Bitcoin): anchored in block 959063 (2026-07-21T21:45:32Z), 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/SEAMA8027090.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf53fafaeadca2de51a2e5e24eb6b742a62523b7c95f12d6329b2b4bc9e1d547. 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/SEAMA0400346.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ad74c3bd30712ec076aa5b3dd16c5b6e76a7bb47ab02e97fe974f00d615908c. Chain 2 (Bitcoin): anchored in block 958242 (2026-07-16T05:02:52Z), 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/SEAMA0400347.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea4bf4b364c9f5119cdb0bb23ec952ab9550ae77d7ea2b7c507b207d82aa404b. Chain 2 (Bitcoin): anchored in block 958060 (2026-07-14T20:39:42Z), 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/SEAMA1000927.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b461f0c4361c0be6ff1b1fb2e967a13e40db590a2270a24d5c10ac5125be3fe. 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/SEAMA1000930.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce9f12f72153a69c9f276391117f6ab81ff7271db9f6cf57131e299b35afb120. Chain 2 (Bitcoin): anchored in block 957880 (2026-07-13T16:39:18Z), 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/SEVJH1800801.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9deade58638de6cab10eb5f9f49b32a8b8644596c43b93fb5e584270aa44ebac. 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/SEAMA7527020.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf100fb8c165292307ac1315bb49795787da94db0db495cf4b384f7d1cc4a172. 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/SESQC0407030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa442e293a3b11d1dbed6545cd6da0db2f5beb2bc5e0ab4c023f481c93fc77f57. 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/SEAMA7927100.
Snart kommer änglarna att landa - Akustisk Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e9ea998a80e2cd8d200b64a618a093d2db89c08577de05d895ac8ec24420f99. 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/SEAME7936150.
A Tribute to Bob Dylan - Whatever Colors You Have in Your Mind
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x107c8df8cd4a38a427a663830a7774a65a76223e31ca225c48b86407c54aa84e. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/SEVGT0605515.