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 0xd31876707767b1619fc8c16b05ca86c0bb17cc8c111f12d3a4e0a3bbcce30d8b. 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/21d80ffd-7e13-42e6-95ca-e3747ba7ae28.json and https://artists.proofprofile.net/proofs/artist/21d80ffd-7e13-42e6-95ca-e3747ba7ae28.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Dogs' Day Out Music: Energetic Walk Beats
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 0xde77a78295c12f0d62fdb1b6cd6633c14c9a0054ea178383fd890aa260b12062. 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/QZWDD2415725.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x818a813d5d76cb4c76c40fc61929226e0b6c80020bf50e9dde6b135cfdea1ee8. Chain 2 (Bitcoin): anchored in block 960468 (2026-07-31T21:25:57Z), 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/QZWDD2415773.
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 0x0d696b819983c10f3fee46bf155f3708ad642740879b9502ab431908b928c213. 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/DEXO12413638.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5ca7c1ee4c946800dbbcb7f364014fb53586f10860fb76a761b50285547801e. 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/DEXO12413639.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf472b091cd55114649f05ed0e668e93df43be91594fb765f433e975d8572835c. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/DEXO12413640.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87ee75315370af52160b8f25a540cc7f775cc15a07368038c6e543ac7f47e47d. 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/DEXO12413641.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05f881d607e77fa5a90f9909513e13055d76c6b4c48d627a89193536d56c9ae5. 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/DEXO12413642.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd524942f628e94e2ee8843f866b89ff7ca4d27189044c4e602e74580a477760a. 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/DEXO12413643.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdad929e86c2d2dfce808bda00c618e36858b13eacfd8bc8f8e545c6eeb18444e. 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/DEXO12413644.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff80e7c1190bd665818071c8ed2dfebe0496d5999546c3e529c8fb35106beb84. 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/DEXO12413645.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x539332adf26c324a459aa2f361b898514319abbecdfb09c41d281f5e919395ab. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/DEXO12413646.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc848ab67bffd20db68e0181a384601022839ea40f56375ad81fccbb8feb96a2f. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/DEXO12413647.
Puppy Playtime: Energetic Music for Dogs
Dogs' Fireside: Relaxing Music for Your Canine
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8bb5cb76298590783c2426518ff099ec3a5bc9c3e7dd99b9fe1a3c41b2d96e1. 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/QZTV32403376.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x662b998f0f227d0642fc1a752337ddb25cf4907c3a0df94db6e3158fac79a1d9. Chain 2 (Bitcoin): anchored in block 960430 (2026-07-31T16:09:41Z), 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/QZTV32403382.
Canine Harmonies: Music to Soothe Your Dog
Calm of Water for Dogs: Playful Melodies
Tranquil Stream Sounds to Soothe Your Dog's Anxiety
Firelight Dog Moments: Interlude of Tender Harmony
Dogs' Day Music in the Rain: Puddle Playtime
Riparian Romp: Dogs Streamside Symphonies
Music for Stress Relief: Waterside Doggy Rhapsody
Dog by the Coastal Breeze: Music for Stress Relief
Wagging Tunes: A Symphony in Music for Dogs
Piano Companions: Loving Melodies for Dogs
Paws and Piano Serenity: Meditative Melodies for Dogs
Paws and Reflection: Lofi Hymns to Cat Hearts
Piano Paws: Melodies for Our Canine Companions
Dog’s Lofi Relaxation: Soft Rhythmic Comfort
Relaxing Chords: Calming Guitar Music for Dogs
Canine Serenity: Soothing Music for Dog Relaxation
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x730ea52d5408a58b765c796dca7432206283bd695bc28f2f332925dde829ffdb. 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/QZZ8A2448767.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7fb211bc53af1452e9936527fe3388bdafffad3e46026489166e1b42839fb0b. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), 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/QZZ8A2448703.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7df859ee72e3c17973919b74a12519b79034e2f60a9e042a2bc3e213a65940cf. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), 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/QZZ8A2448713.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b4fabaada57762c35f19d6965cbafce021fac28b5edb76d919a19a452e16786. Chain 2 (Bitcoin): anchored in block 960387 (2026-07-31T10:06:30Z), 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/QZZ8A2448756.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb466bd2913d0e288bc80ec696e0933abbf6559abd70ad4c5e0899f2e8fa7fd9a. 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/QZZ8A2448835.
Melody's Canine Dreams: Music for Dog Sleep
Canine Crescendo: Energetic Music for Dogs