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 0x33b3b81fbf437f95e7f69a091108a2d526c007e7738e4029d07592e3b36c3925. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8fc8421b-fca8-4cb4-a745-bbd280338977.json and https://artists.proofprofile.net/proofs/artist/8fc8421b-fca8-4cb4-a745-bbd280338977.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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x415a9c616c1194dc35893c51f19c0ff86da3a9cecc6f00a16ba117a56c3c3967. Chain 2 (Bitcoin): anchored in block 958404 (2026-07-17T11:34:58Z), 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/SE5IB2112160.
Nature: Roaring Darkness & Waterfall Sound
Peaceful Ambience of Fire for Meditation Vol. 1
Nature: Crackling Ice with Singing Piano - 2 Hours
Sounds of Sprinkling Rain for Study Vol. 2
Nature: Singing Birds Beautiful Chorus Vol. 1
Nature Music: Mountain Ambient Sounds at Night Vol. 1
Nature Relaxation: Sunrise Stream with Singing Birds Vol. 1
Dreamy River Constant Flow Sounds Vol. 1
Rain: Thunderstorm Relaxation Sound Vol. 1
Meditate Into Rushing River Sound Vol. 1
Nature Sound: Torrential Rain and Windstorm Vol. 1
Nature: Rustic Waterfall with Gentle Raindrops Vol. 2
Sonidos de la Naturaleza: Sonidos relajantes del bosque
Fire: Camp Fire with Wind Among Trees Vol. 2
Rain: Soundscapes for Your Mind and Brain Vol. 1
Sleep Well Tonight with Rain Sounds Vol. 1
Rainstorm for Rest and Meditation Vol. 1
Acoustic Rain Music: Self-Study Improvement
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d382c932a51fab02ad750c22e379055856375fb34421e0d5995b0a90eadebab. 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/PL29Q2128941.
Sleepy Forest Songs for REM Dreams pt. 1
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x919ee992ff8094d5c457f41aaf4eddb6ae51e61e3223d8f6ee35dcfc4eed4022. 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/PL29Q2128942.
Sleepy Forest Songs for REM Dreams pt. 2
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a4d98d9d9e5d9d6a32a258b9193d84aa77b0db8b7864a40bfe83334c7c6903c. 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/PL29Q2128943.
Sleepy Forest Songs for REM Dreams pt. 3
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc74e26ec2f35d2d3a8d0fef7075a58ad4c55c3bda421e7b8d571e3214be51fc. 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/PL29Q2128944.
Sleepy Forest Songs for REM Dreams pt. 7
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9783afc899c63a97716eb946a556ca22d303b8d9e0c4e2fcd6ff59995121642e. 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/PL29Q2128948.
Exotic Lands of Nature for REM Dreams pt. 1
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b337229784457be29885d73d8af61dad441365f4895b6cfd0350ec8072a49ac. 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/PL29Q2128949.
Exotic Lands of Nature for REM Dreams pt. 3
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5761f5c721d0c0aee5ae715cacebbc9882467a7e975e282664499839c07652eb. 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/PL29Q2128951.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb9d2e216f43b2b9d97a3064d8d6e616c05862b439464a53beaba62136ac76eda. 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/PL29Q2128954.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe081e11b12c74dc979ee84321d82f7a7595b99f54570ba9915fabb4270c93901. 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/PL29Q2128956.
Sleepy Forest Songs for REM Dreams pt. 4
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb320db88c4c9d9830a768c8a544c1a596ef64813aa85d0b7786006c7a8abbd0e. Chain 2 (Bitcoin): anchored in block 960298 (2026-07-30T19:26:00Z), 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/PL29Q2128945.
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
Sleepy Forest Songs for REM Dreams pt. 5
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xecdc7ea903de1a09b29c36b850449a05798f3849595890ef120184e1dbd0d5aa. Chain 2 (Bitcoin): anchored in block 960258 (2026-07-30T12:45:34Z), 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/PL29Q2128946.
Sleepy Forest Songs for REM Dreams pt. 6
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95d3ee7d6fa3b0145d2ea6ed53fe13c1b32b463da68dd089fb1f9b96df872f4e. Chain 2 (Bitcoin): anchored in block 960254 (2026-07-30T12:06:10Z), 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/PL29Q2128947.
Exotic Lands of Nature for REM Dreams pt. 2
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc492c18bb365c6745ec09c332713586405c923b77c78e118460305a1a7fa59c4. Chain 2 (Bitcoin): anchored in block 960303 (2026-07-30T20:11:13Z), 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/PL29Q2128950.
Exotic Lands of Nature for REM Dreams pt. 4
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x411b8331c7b18c6f2962c3be4e8a03c6ccee2d24af0315f72f78d974cabe561c. Chain 2 (Bitcoin): anchored in block 960218 (2026-07-30T06:57:05Z), 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/PL29Q2128952.
Exotic Lands of Nature for REM Dreams pt. 5
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4a9551dc096c5eee22324c17f5219a114f34799ea8ac73aec5dfc3775d66871. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/PL29Q2128953.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b48ea32c978a5431f9d05b611ac72172a571b3e7a79e9a3be3cfbb96be518ac. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), 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/PL29Q2128955.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ef2451b114cdc20ace585322c408310b8bdb36f48965cd2f7ff73a8618a7335. Chain 2 (Bitcoin): anchored in block 960317 (2026-07-30T21:35:24Z), 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/PL29Q2128957.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37403c85d6f5e70eab38dd4fefb54c70ee0a8fde1cc7cdb8fed7c420d6758309. Chain 2 (Bitcoin): anchored in block 960321 (2026-07-30T22:27:30Z), 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/PL29Q2128958.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcebd2b2a737cc81945b87ae038e01e8013c160167c62b57b07c610cd4ecb56e9. 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/PL29Q2128959.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf037e4f6cbd77d208bbc51d5e91c227e68ad9f49acb8a1deea627a32b3df7f5. Chain 2 (Bitcoin): anchored in block 960150 (2026-07-29T21:51:49Z), 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/PL29Q2128960.