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 0x4d4e983b952bd498a72220eecebb910ec735395346696b4a54705339ef1a6f17. 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/d87fb050-6920-4e33-a4ad-75a174c3daef.json and https://artists.proofprofile.net/proofs/artist/d87fb050-6920-4e33-a4ad-75a174c3daef.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Evening Prayer at St. Francis De Sales Church
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 0x244de67619d30c5d284abadb23fcf59000f35a571260d3f0e0b46b4d91dd327b. Chain 2 (Bitcoin): anchored in block 958079 (2026-07-15T00:21:05Z), 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/QZGWW1919516.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1939b583cd094e6e107a887da8fd07acc3ccc02d581e914c287e7ef9dee53f7a. 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/QZGWW1919517.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x19286070fe2474a22f9593ebd5f6a624822732451a3c6c385ba2cb12acd809ee. 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/QZGWW1919518.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb736e0d715b7eab2dab3d8de7f55e96d7f44fcba96182c6162de3f82819a2d4. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), 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/QZGWW1919520.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2e7632314b10af165114da863f07e92dbb7ec519bb1ff85ffcd263398b32d48. Chain 2 (Bitcoin): anchored in block 958491 (2026-07-18T04:29:42Z), 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/QZGWW1919522.
Catholic & Christian Songs of Comfort and Hope
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1937d054e83283249bd63b593c43f2eebd05af3097c647837e264d982e12a539. Chain 2 (Bitcoin): anchored in block 958079 (2026-07-15T00:21:05Z), 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/QZGWW2139800.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3f47734562081ebd0a00622aa857a4f5b4f1cd40410180a0b6e39ca664a05dc. Chain 2 (Bitcoin): anchored in block 958079 (2026-07-15T00:21:05Z), 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/QZGWW2139808.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91cfbefd226249af2ab669118119e0c84957479bb921cd5f65dfb5005690c492. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), 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/QZGWW2139809.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4663188bd03d1e50f755a942b296811e7bc27108c42885262016fc4e887c7a30. Chain 2 (Bitcoin): anchored in block 956482 (2026-07-03T10:33:57Z), 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/QZGWX2218566.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8fc83f21b66c319454d039f1cb2c3cb1c610c47779cf419c2f280335dade6d0d. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T22:15:12Z), 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/QZGWX2218568.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a9aff1289d46464d1e0aa118c6a10c1726dce83c0cb19d16b72e8605f0a3918. 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/QZGWX2218569.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbcc1f0478ae5dfc488db83fd0c647e568b50516acf9621e29c3dee0dd8208614. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), 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/QZGWX2218570.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a3d6c5b807c5c9f2d3ba99081c10c04a72b7fb8b155b50779d2fa9ec8fb3f84. Chain 2 (Bitcoin): anchored in block 958234 (2026-07-16T03:46:09Z), 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/QZPJ32183257.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa6450baab62e5faa2cf23a9e712b3825526f461be4c2a45819f1039d6405dede. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), 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/QZPJ32183258.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac4dc11970fdea9606ddfc1f8cd1099f18482b99a16bc05b5437fd84054287bc. 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/QZPJ32183259.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd53fa28d3be499156adb98bde0671eedd078aff06d7092d60d2cfaa195131064. Chain 2 (Bitcoin): anchored in block 959047 (2026-07-21T21:00:31Z), 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/QZPJ32183260.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab232a1fb03201e1e183f754f27f93d49cdea418653b7d25f023e9b054910280. Chain 2 (Bitcoin): anchored in block 958086 (2026-07-15T02:55:47Z), 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/QZPJ32183261.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33ee4acbe073843139d9972396679d84c94bece61c406884cf8a83758d5ada23. Chain 2 (Bitcoin): anchored in block 958448 (2026-07-17T19:49:21Z), 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/QZPJ32211137.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2f6f533ae3f62106dacb7440b0dac5bc880a4c9dcb4f4ef8bf9dc1d4542f4a2. 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/QZPJ32211139.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xffb5fd3c31a83d60bc8bc4879ecc3372cebf9e2c08dbb40f0b5200ab5443abfb. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), 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/QZPJ32211140.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x822f1102dae0049e7a42fe6e1f0cbee3974082401be52ad9236fc1b2fb8c0ff0. 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/QZPJ32233566.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8a1de688e99dbf188a0cce198bde3c7e867d970a29345a1ca1b13aae5d9dd4a. 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/QZPJ32233568.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x923ab29b9d65753f46150495dc7c5621daf9760f418c94731c2920a839121c72. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/QZPJ32366826.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1a05670580a84c86aaadb67c8257a746610426e062c2d4b67de1ef9e2e2564c. Chain 2 (Bitcoin): anchored in block 959105 (2026-07-22T08:19:58Z), 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/QZPJ32366850.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4d553b1fd2ee801121e88c6f7a5d9f87871cc8e72cc55584fadf5a2cdcca425. 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/QZPJ32367365.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16e9275d194fc29183b5f95a9d24ea0c394537f0ff2e6d730a30b64f62be9b5a. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/QZPJ32371112.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf5d460dcea28528831b3de31b3ad225174ffd989d5fb7c137e0bddde218b8428. Chain 2 (Bitcoin): anchored in block 958501 (2026-07-18T05:33:04Z), 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/QZPJ32374809.
The Summons (Will You Come and Follow Me)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d8a7b2e9f87cdfbc00ec0ce71b8ddf909ccf34496c131983b95d11c7954743c. Chain 2 (Bitcoin): anchored in block 959010 (2026-07-21T13:22:35Z), 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/QZPJ32378877.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a96cf4fb34b45cc8a90563d49010a20ed09d8210987b43ffff3a8bf81a84346. 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/QZPJ32378880.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48ece7d480de33191b3a06952bf7c81d43ed7f62f339c9de64f6796987e00dac. 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/QZPJ32484223.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5a2d1c893c3dcaa66d4e130dcb51222467824eb832d45318a1c5d2093197596. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/QZPJ32486426.