RHR may stand for Rabbis for Human Rights Radical History Review, a journal Right-hand rule Rohr, Inc., former NYSE ticker symbol Rolling hairpin replication Resting heart rate Ryan Hunter-Rea
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 0x66f622f1ab824d2b92405e40ba8af866a76427e69e964feb9392cd6990f4db06. Chain 2 (Bitcoin): anchored in block 953625 (2026-06-14T11:37:06Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/25e872a1-8dba-4667-a30c-3e06c59ad756.json and https://artists.proofprofile.net/proofs/artist/25e872a1-8dba-4667-a30c-3e06c59ad756.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 0x25c64361996376dc3b0aa98a350a12e6f54cb08088c50bb457d1c5da50c684d4. Chain 2 (Bitcoin): anchored in block 959128 (2026-07-22T12:33:25Z), 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/BXF2R2100002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x765b07ffa2e3954fea460241ccf67fcab70ce464008da081a9fdef17d0d20fe8. 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/BXF2R2100007.
Amsterdam Sessions (Electronic Music Compilation)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd9c01e5e76865667b278c1c1eb163d2c02dd06cf6d71650a2db58cdaa80428d. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/BX75Y2400157.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd9c01e5e76865667b278c1c1eb163d2c02dd06cf6d71650a2db58cdaa80428d. 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/BX75Y2400157.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9a31d9bbd03cf3abfbc83cf13ddf1944f807d9c66455c4b3b96863bf089a77a. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/UKN6K2400523.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x60de236e3886dcd365d14e351f0cd972d0b016c843c9772db424038bc30e805f. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/UKN6K2400100.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xabeb14cf4ff482d1fd8e4876564d388b3251f1877ef10c0278e9db860c644c7e. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/UKN6K2400103.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce6e73fffee2912edb51725d87f1dc7d26d792228b3c314d3c4bb2e3e7951f28. 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/USYBL2201326.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8f6f924f6ccb80698c0685ef03e932ad8249c59aefe23022d3c2ddde43fd2e2. 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/UKQY82400014.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc5e5c2d4c67c49d1375e5d3eed8ee199c92108dfa8e648938c46b51bb8697e2. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/UKQY82400027.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd690dd588a3615b2ba033158e10943c497a17b7bbad969764a436b98318ed536. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/UKQY82400028.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x141cc033ddfd91cb5dbc5da1783d03a2a024e3da90e8ecddb8c7cb5a3834d0f4. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/UKQY82400029.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x644514030e57b349acd2c8958135a733b175a80f142b950b9d702fd1c705ec11. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/UKQY82400030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc615e3dd879ccf81e155eb42fe1afcbfb74e86e6008dce2af11e624dab0088e. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/UKQY82400031.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5822f39a84136e54fa243f1992bc0ca1f260bc2c4700deb249b365f0f306ff0c. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/UKQY82400032.
Dekmantel Ten: A Decade of Dekmantel Festival
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x255ce32bc86d2d97b68d5c0d5dac49efa7cb89eebd1eb2169df7830136a27655. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/NLTH62400103.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5dec3bec5c1a44576da44a83be489dfe204aa86387d56e31667b9e7aeaeb0ca5. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/NLTH62400106.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33f26b700a8570e295a5d9338b062c5e4e53085a10bfb7a0393abf51ede5662b. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/NLTH62400114.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7926cc818578af4081620b35c949f394e95209371be6586283d421a0f55c3f26. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/NLTH62400116.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa020d4096732fe39c968311534aca2dd604043d5cbf527862bd0bc342b3ae1f6. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/NLTH62400124.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77b94f7ed8873b5214453298151c9b9de7342bb735fc3daf1fd5789bfd4e70c9. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/NLTH62400132.