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 0x1cd6a0369183dbbeb5735b116d3c50d822d2a694ef81dc9a6ef6a2c7bda0f21a. 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/e7dec935-f7b2-40d1-8a30-6a070397ef58.json and https://artists.proofprofile.net/proofs/artist/e7dec935-f7b2-40d1-8a30-6a070397ef58.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 0xb4d9c5a04e91cfb32c95ff23a4980963c83dbf423a8c46e117ab68e4450b057d. Chain 2 (Bitcoin): anchored in block 958965 (2026-07-21T04:29:05Z), 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/SEAMA1300197.
Did You Give The World Some Love Today, Baby?
Did You Give The World Some Love Today Baby
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f900724780639b3b2d5c52ddeb7dfcb12f086393598f5686aa95e40c39eb234. Chain 2 (Bitcoin): anchored in block 957650 (2026-07-12T04:18:57Z), 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/SEAMD7029020.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba59dad17c3d93cb1a10264256ad5b958630f107f9774f7bcd2140cf3cb96289. Chain 2 (Bitcoin): anchored in block 958115 (2026-07-15T09:51:29Z), 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/SEAMD7029030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca8007a2bc234d09d7f9af4b2aa337f52c33454d1038213fb1fdc4925ba2c418. 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/SEAMD7029040.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36d162be3af443be9a0a7d02f9a96cb2f78c0217b6d32482639ea32601b24d26. Chain 2 (Bitcoin): anchored in block 958792 (2026-07-19T22:55:52Z), 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/SEAMD7029060.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5064307ff39a9864e5315d8804b926cac57165915a2aa3fa77e44f6d1c053abd. 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/SEAMD7029080.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b1f4a80d57b447f1ea52aaa594b65b2d1a01e30c68bb853a6abb6c1d6880b96. Chain 2 (Bitcoin): anchored in block 956397 (2026-07-17T03:17:24Z), 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/SEAMD7029110.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc91fc05ddaed6f81930296eb4c1a70d2b5b4190853889d887bc39c251ab3997f. 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/SEAMD6629130.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6bd2c47c8163a1bb083b3de50066408671b4c02505431be549f1854d1dd3fee3. Chain 2 (Bitcoin): anchored in block 957653 (2026-07-12T04:35:02Z), 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/SEAMD6929190.
Did You Give the World Some Love Today Baby?
Did You Give The World Some Love Tody Baby
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6efe8d1b328be95b3714671a88f03f937f9502da09ee4e763c6900f9e01ba40. Chain 2 (Bitcoin): anchored in block 956790 (2026-07-05T12:31:54Z), 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/IT9D52500063.
Did You Give the World Some Love Today, Baby
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x366a183b8262152d3f0326a264a2bd8a420797b396802ae8471ba9b05928429a. 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/SEAMD7029010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca8007a2bc234d09d7f9af4b2aa337f52c33454d1038213fb1fdc4925ba2c418. 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/SEAMD7029040.
Våra Mest Älskade Svensktoppar Volym 3, 1968-1969
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x392876965e276eab8906365b75c8e786cb4340d7d7ca34ba765e61f7ad1cb284. 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/SEAMM6900557.
Festivalfavoriter (Utländska Hits På Svenska)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b1f4a80d57b447f1ea52aaa594b65b2d1a01e30c68bb853a6abb6c1d6880b96. 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/SEAMD7029110.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31822083eeaa58ff9e7e5a53fc5254fa3db61ef6a6da8c2cc5ce8d5cbd177730. Chain 2 (Bitcoin): anchored in block 960500 (2026-08-01T03:13:03Z), 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/BRGAK1600003.
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