A visitor, in English and Welsh law and history, is an overseer of an autonomous ecclesiastical or eleemosynary institution, often a charitable institution set up for the perpetual distribution of 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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5767cfc9a5b7a7d00f4fefdb68da951acae4d5e237ae58f1fb70ad1d46566607. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/719211db-cd82-43c2-9e1c-a2193821dc91.json and https://artists.proofprofile.net/proofs/artist/719211db-cd82-43c2-9e1c-a2193821dc91.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Love Emulator (Sander Kleinenberg Remix)
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 0x829c611482f525a8522d421d3b7236a60ffd6a01582bfa096523e84b605da7ea. 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/DEAR41053033.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3264d583e66d4e3480a7709d58d6595e07efc71191e0572c595f643c3f8dd22f. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/DEAR41053036.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ae9de085cb693a4fb41ea5c9d8d07ecb7458035134638e6b885469c53299b3c. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/DEAR41053037.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6710e3a6429890223894a0c8bdcea72d9a33ee5130be6146564e147a42648f48. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), 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/DEAR41053035.
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 0xcc2b795116fb3a34376b5090062553236dd8dd980960fc79fadae703776a8d77. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/CAENV1968184.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4ddfd349e868d21ec87174a953f5993d6c440004235220f221139e788eef44b. Chain 2 (Bitcoin): anchored in block 959152 (2026-07-22T18:54:16Z), 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/CAENV1968181.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x428ae6e288436cb04f7eecfd44fb9b712c8f7a0b1fd9af63dd133f46a2e29c65. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), 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/CAENV1968188.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x986fa7d0737d283dfc84f6b792f1ba5c662139814b90c9ed4b57a37fded8004b. Chain 2 (Bitcoin): anchored in block 960485 (2026-08-01T00:10:46Z), 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/CAENV1968186.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f95c3a5fa81ef448938bc72c2ba82bfb34329f6297792afeb2e7637bedd0f92. Chain 2 (Bitcoin): anchored in block 960288 (2026-07-30T17:41:38Z), 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/CAENV1968190.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13a63844d41740a52ab3db9f3ce7628e236527ce23226a4de4feec8254acf041. Chain 2 (Bitcoin): anchored in block 960337 (2026-07-31T02:51:48Z), 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/CAENV1968187.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8bc246b2fc49fdf7ea66380b0e431963a8a8a765ceef509617b8434e0ab7f95d. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), 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/CAENV1968182.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x871c18f7b1b18624f924f9c220960d9723386bb824a4034ae14ad2df5a4d331d. Chain 2 (Bitcoin): anchored in block 960489 (2026-08-01T00:40:43Z), 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/CAENV1968189.
Carmina Burana - Nr 1-2 Fortuna Imperatix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x596091e2444e74c6bb7af07c520c88199463d70a6474806f0e5bba5a3f2dd59e. 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/GB4FJ0906402.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x99dec8f7b214256cdace426c5d69b5ba4593b7172f4bb51db3f5f62ed6d83c1b. 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/USI4R1225168.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd21f4ec0c5741b16d908a827d82eb96c53214775a5098e2f7388779435db293. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), 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/USI4R1225169.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7a904c8d0cc42017bd315fcbdb58366fc8f5026bdb9475f97a07e041d778548. Chain 2 (Bitcoin): anchored in block 960344 (2026-07-31T04:14:58Z), 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/USI4R1225170.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b7fab2a557d6b03105c18f7569f2eeb9e62b8e369c04fbff64a31d00c46f932. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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/USI4R1225171.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20fe4f3b8fc9666685cdfb871ba9e628b783da00a7f4c03e003ff22a355c029b. 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/GBPQS1200021.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdacbfe0c8611f3454237921b1e2f0201b15d7b750f515d558564ee6ed9ce1b8f. 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/QZMHL2425667.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf078c1da4c0c273f5007e39d2df9fb39dece37709264a6deb3383b29c3aa635d. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/QZMHM2476787.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c5ad3c49d6783de6649c9ec3c5089d68f22dabff1f8ef6f3edf92b1e4fbc0b9. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/QZMHK2460160.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x356904242e1eb56cd48ef30beb78dae4fbc17a25468d2cb2e50dfc64ea906461. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/QZS662447841.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc484690956e26af379f940e6160fe45e817b1fffe116fc3d7ccd9ae7c27f1877. 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/QZS672441039.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43f5c8d430c336ad19f39bf5ca22da39c89351aff00e9923f7a4a9dda87c4385. Chain 2 (Bitcoin): anchored in block 960403 (2026-07-31T13:04:34Z), 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/QZMHL2449935.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c04d3f6aa594046ff823d11e8b48ab250b31221694b2460d669bb014c026a7b. 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/TCADK1709676.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8dec5a5093c81127b9ed9526e88419b09cd9de57d496a6c20b67fbc1b510732d. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/THTTN1400051.