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 0x6309a98e2daf895000f5a5a133c8f7a55dd5054c23688287be23e97d9e40ad1c. 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/ffc327b7-bfa0-4ecf-a22b-8390a68d98e9.json and https://artists.proofprofile.net/proofs/artist/ffc327b7-bfa0-4ecf-a22b-8390a68d98e9.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 0x3e01d7d261304a3e9f1c57e6df5457f21faf71bdce6898a6676b682c76a9735c. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), 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/DEW241300214.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x958f86115ed6577df3b57878245daae3aa27d0af01146afb3dbc358b1021fe63. 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/DEW241300215.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63f41ed1f707ac2ab1ee8058091e0fa4b438e438f1a3c8966651d421120b531d. Chain 2 (Bitcoin): anchored in block 958832 (2026-07-20T08:06:18Z), 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/DEW241600111.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0044fe86843abbae9a0332e16e21aabc642df54c95fbaaebd8497af6cd954a30. 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/DEW241600116.
(Ich wünsch dir) Sternstunden - der BR Benefizsong [Mundartversion]
(Ich wünsch dir) Sternstunden - der BR Benefizsong [Live bei Ringlstetter]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe239cb29f6a6e0c16534f54ac3bb66b13e1dba06ddaeaf8f67ffd6207a59977f. Chain 2 (Bitcoin): anchored in block 959009 (2026-07-21T16:02:02Z), 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/DEW242100084.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9146c51b3a2185aafca1627dd0c38cc002d6ad659a60e60cf238b126de5829f4. Chain 2 (Bitcoin): anchored in block 958728 (2026-07-19T12:24:55Z), 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/DEW242200075.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa137b1252235aff47d6234ff7a09e9ee6043be8b69bb62bc20782fd23c8a5e60. Chain 2 (Bitcoin): anchored in block 959065 (2026-07-22T00:56:27Z), 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/DEW242200076.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8de7761a967791fb40dafb1c6c85664c7f4f56e96a22ad7066ce0388692ab73a. Chain 2 (Bitcoin): anchored in block 958137 (2026-07-15T11:51:14Z), 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/DEW242200078.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f89782de6b1e98ef47ea7ce4ac31287bb4ea8c4d4929d0793ec507efd9c181d. 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/DEW242300061.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc12897281cab1fde3614e1cf00bd2839230b2f210bea749de34b13c82ac8eddf. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/DEW242300062.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x863e688aeab0e626e9d77c73c1064758f61806d2dbe2dd99662d7ceff82e9dff. Chain 2 (Bitcoin): anchored in block 958901 (2026-07-20T17:34:52Z), 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/DEW242300063.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0bbcd0fd0b8945e344893404ff70f204a853319d53bf00468e2284b536478c18. Chain 2 (Bitcoin): anchored in block 958625 (2026-07-18T23:11:57Z), 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/DEW242300078.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ce3033f14055c97935a30647124457dbce59894f417094bb318cfd7a02445a3. 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/DEW242300083.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x106be60c5c3c66aa0370d895de02ddc2f775335331e7a3cda0dfe573a14dfb2c. 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/DEW242400016.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f163876b630292a73a56701b08594dbe5089952199629ba72384a89c155c433. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/DEW242400017.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41f2e2a63315932d247207393df34152b9fe8b68acae3c9ff4578f18c6477cb5. 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/DEW242400019.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2868c9ed926e38d787942afdc25a46e10f544366baa4c4a76275d936ead72154. Chain 2 (Bitcoin): anchored in block 959076 (2026-07-22T02:05:41Z), 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/DEW242400133.