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 0xcaf018d67c52b109955d10e6a6c33cef8a023c55999b3f8a14ed1a844f99ac80. 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/e772677e-8cf7-4b55-98c8-0f6555d5fcdb.json and https://artists.proofprofile.net/proofs/artist/e772677e-8cf7-4b55-98c8-0f6555d5fcdb.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
International Dog Day 2024: Music for Joyful Canines
Soothe Your Pup: Tranquil Music for Dogs
Dreamy Puppy Nap: Soothing Freuqency for Dog Sleep
狗狗狂欢之旅：探索狗窝的奇幻世界
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 0xbaa96590fe3dc8c6158fbaabf3b30053c6a7c5bed111e2ac88f65d0255410619. Chain 2 (Bitcoin): anchored in block 960276 (2026-07-30T16:01:17Z), 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/GXC5E2400322.
Ethereal Pillow's Melody of Dreamweaving
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed196c1a06c61f840f169356703eece78f8c984793c7ba21945a829eed137d38. 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/GXC5E2400323.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94feb715e09a1a3bee9b0825019447ab8ed1d67845f44287c0d2d30243a65332. 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/GXC5E2400324.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00071f9b50cde71abc67a0755587e3893562810fbf15476e38477bf2240e07bd. 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/GXC5E2400325.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc87060b09abaaa3c463fe8a3c98bec863f942434fb6295b71902310d4a55a3c. Chain 2 (Bitcoin): anchored in block 960266 (2026-07-30T14:44:50Z), 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/GXC5E2400326.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58476df64b85e9054d82d20653b67adb87069051cc29f07d055379ddb4c01906. 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/GXC5E2400327.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde6446c5df2e79972f28ef2d3a32c198557332bfae3b27dd01d2d35b1e18ab57. 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/GXC5E2400328.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50691db663c24f8c684a0ca8d98ab22f7773825192edc933b6cd3a0bc2da6816. 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/GXC5E2400329.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x566dcdb87d665faa59c57819467bb5ff95e8d2a3c14bcc3715bfe9bfec423ee0. Chain 2 (Bitcoin): anchored in block 960294 (2026-07-30T18:46:00Z), 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/GXC5E2400330.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18a34b80849e4b7cc1e3fc221018ece2c50b1b5761add0e6858fbf7407423fbe. Chain 2 (Bitcoin): anchored in block 960330 (2026-07-31T00:58:21Z), 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/GXC5E2400331.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04563164d7287095dc9102c2d859aa514c3053c161ba6b715aba8fcc9e0fcd96. 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/GXC5E2400332.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc34d63a94d6bad059e7b9c99dd6aab8dbabe78a7af6a17b08e77338bbacef744. 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/GXC5E2400333.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3ca77aea5ab61fd0c258112d27cfd2cd979f92720ba441154768e940a412615. Chain 2 (Bitcoin): anchored in block 960268 (2026-07-30T14:53:07Z), 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/GXC5E2400334.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d18f3693c6f824e262f89aeaec9cef10c7f9a9428e2827ac8da941dcc8bbb7a. 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/GXC5E2400335.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58ba1e9373a5ec738eeeff3c86d20e8ea932f38c9b29b85fef4685b6602723b9. Chain 2 (Bitcoin): anchored in block 960291 (2026-07-30T18:23:33Z), 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/GXC5E2400336.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8472e7ff6255294819a4990d4687e2e5966c70caf55ee59d5db2a494c6910d1. Chain 2 (Bitcoin): anchored in block 960354 (2026-07-31T05:48:18Z), 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/GXC5E2400337.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef97a2c95f17831a8dfebadb8d3c9c14106ee4c29dd15315004ec9186a28a335. Chain 2 (Bitcoin): anchored in block 960294 (2026-07-30T18:46:00Z), 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/GXC5E2400338.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2788119253b070054e62703ebdd07b0e7681fce8ae03dace5edf96e56fd43dcc. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/GXC5E2400339.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43573ceb5c12e2baea5d474eb338a07939ab9c9c264d8752599762bdd51b37a8. 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/GXC5E2400340.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37b2967d53ef831c970d9c480b8bb5658b8ac9c7bd555b41e2213188e3c3fd16. 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/GXC5E2400341.
Doggie Delight: The Ultimate Wagging Wonderland
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e07893a72fe836efc31ab88fc3f8c98572aa9acf62774d895bb17e7fd6d2ec8. 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/GXC5E2447137.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad2c06c05d16fc2046fde8477196b1bf818b860ac2897274bede4c18c669a121. 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/QZWDE2454067.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35b49beced5abea36d30d6c0f5782c3bcde2a5780c30284fe035f394b29844c2. Chain 2 (Bitcoin): anchored in block 960494 (2026-08-01T01:44:32Z), 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/QZWDE2454074.
Dog Wellness: Spa for Dogs, Pet Grooming Salon, Dog Mind and Body Relaxation
Feline Frequencies: Cat Sleep Music, Healing Brainwaves for Cats, Pet Relaxing Therapy
Pets Soothing Music: Calming Animal Harmonies
Music for Furry Friends: Melodies for Pets
Binaural Rain Melody: Gentle Pets Soothe
Binaural Pets: Calming Music for Animals
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a411e7c985aad1bccd2dfd5e4b8a2df5dc5b3313247277d85472b580dbf865c. 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/QZTRX2446832.