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 0x7a749eabd1eb262ad10291e15b5419de6b31f0a63ccde33e4dbc683666cabda9. 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/01a36427-29ad-41b9-a170-efc1ed2cccea.json and https://artists.proofprofile.net/proofs/artist/01a36427-29ad-41b9-a170-efc1ed2cccea.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 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 0x6a42df877dc106f96b75f4db663446e6e64bce34c73974e492d84ded1fbb9439. Chain 2 (Bitcoin): anchored in block 958785 (2026-07-19T21:40:06Z), 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/TCAGW2342974.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03f76439b45381217cd5c36ed8985bc17edcbede6788a6c8070b7ef2ee08cdaa. Chain 2 (Bitcoin): anchored in block 958357 (2026-07-17T03:33:42Z), 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/TCAHC2359288.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1aff0ecc52f2bd49d5fb5f53e8a5b8d68d87e3a9267283924301a7b54a3df88c. Chain 2 (Bitcoin): anchored in block 958461 (2026-07-17T23:18:11Z), 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/TCAHC2359290.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x218c10d7686fc981e6612abfe9e695fc03ca36701c102eab6c63dfe934ffedee. Chain 2 (Bitcoin): anchored in block 958417 (2026-07-17T12:56:50Z), 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/TCAHC2359296.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f4a1567aba5a2753122f8bf78164e52740871587b43a795f61396f8f3cb8888. Chain 2 (Bitcoin): anchored in block 958541 (2026-07-18T11:37:54Z), 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/TCAHC2359298.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x84671fe9ed1778d86acf941befad9349532183c602ad28b25a53b88e52459ade. Chain 2 (Bitcoin): anchored in block 958955 (2026-07-21T03:03:40Z), 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/TCAHC2359300.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x911f667034d199ac4bbcd11e214bd6bf53076942a774ea006d79e80d71a7d33c. 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/TCAHC2359301.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe87b2b7881def48dd388c521b32770ee098d59a6e16f1b656749ee65e788888e. 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/TCAHC2359302.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a806d08c5077bb1d5552b0a974944a05c71c3b64fd5b35c25763eb8d31036bf. Chain 2 (Bitcoin): anchored in block 958576 (2026-07-18T16:22:28Z), 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/TCAHJ2306513.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x999e1a5eba87c33f236f201361585e51f5f5ef146357aaf4ec5d2e9b52b1d99e. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/TCAHL2303960.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2fe728b729bd80231a6b3d1992ae05917d385027012cb136241777d830794a0f. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T19:42:29Z), 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/TCAHL2303974.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f832c7de2fe5dc247bca596ec84908452811a6f7f8a02d2a3054f36b8bcc3e9. Chain 2 (Bitcoin): anchored in block 958420 (2026-07-17T13:33:01Z), 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/TCAHL2303982.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2100d6b59d5b787b4ce9dff2562375f6bb62b7650ad7c0151847f3ae89d23f8. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/TCAHL2303988.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1deb8fb18a78c4de69523e1230c71a216b95919d4dbfc3cd233c416d7fc36c38. 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/TCAHL2304005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65fb68d7561ef875c9291489a30781a54c8d9981d8eb7bbead21249675686e08. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), 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/TCAHL2304014.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1743c0dacda018a3fd3da330765238a957855918bdfb6721f0a00b0cfda4fb90. Chain 2 (Bitcoin): anchored in block 958576 (2026-07-18T16:22:28Z), 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/TCAHN2368039.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f8f660e68789ed91aefaf419ebb4f1f62c7016d42c1400e3c9b4aeb4849f8bb. Chain 2 (Bitcoin): anchored in block 958611 (2026-07-18T21:24:44Z), 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/TCAHN2368044.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x081e9d32dbf78160d689d13b447c14d20dca2f716c25483b0d2ea15f28d0de91. Chain 2 (Bitcoin): anchored in block 958680 (2026-07-19T06:04:14Z), 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/TCAHN2368060.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7c5d205a5f655f9b973dd4d6e642db38420bbebd0dd5e42274397d674c4f613. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/TCAHN2368065.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0401f6a7bd352079f00785fd732ed9eabf78a3aae9186386a61ef42087fcbf4. 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/TCAHN2368091.
Way of Healing - Relaxation and Painrelief
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf51634988fde7b55bb81fd184f0229bfcb2c4c949a58f3c01f9417f6fee0d351. Chain 2 (Bitcoin): anchored in block 958611 (2026-07-18T21:24:44Z), 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/TCAHP2327185.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x90b748f35179ad45c1786ed19ea23995fd78ec6f2a932121aed1e441e9711aa3. Chain 2 (Bitcoin): anchored in block 959105 (2026-07-22T06:33:30Z), 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/TCAHP2327188.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdce03db8e4d89c4a177ee3acab7f129500a5eb95e8d23ac040b3875d01c3a630. 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/TCAHP2327189.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c77ab2af0159aadcb67aac89c4b872fa67a162005b71259e917b9692361c7e2. Chain 2 (Bitcoin): anchored in block 958823 (2026-07-20T04:29:18Z), 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/TCAHP2327200.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa21b60f48945eb27aa1f3c1832821e3330515573bdfdffc90f622d9b6cbfd7f4. Chain 2 (Bitcoin): anchored in block 958901 (2026-07-20T15:07:00Z), 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/TCAHS2351180.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x975b948996198600ad8086f53e8ad008c6e6967c9310ad528716378482dda3a2. Chain 2 (Bitcoin): anchored in block 958736 (2026-07-19T13:04:09Z), 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/TCAHU2457558.
Deep Sleep: Stream Soundscape with Delta Waves
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe22f1fe574fb0eb4933ea2f48d3a1bca1707c0a19c0cc188a7813e847df9eb60. Chain 2 (Bitcoin): anchored in block 958169 (2026-07-15T16:16:18Z), 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/TCAJH2589325.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad7005db7431d4990354228b1d373cc34b9aed3227264f03884112403f78bdd8. Chain 2 (Bitcoin): anchored in block 957756 (2026-07-12T21:36:27Z), 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/TCAJH2589336.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2b63613ec0a87443b35e78c4b4226f43abba1b2ccbd119adffda31b7b609935. 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/TCAJH2589345.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b0a1a397436473da75524c60c000d5ef51787bbbf3f841ac9e5a926f706d242. Chain 2 (Bitcoin): anchored in block 957754 (2026-07-12T21:26:22Z), 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/TCAJH2589353.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b0d6a310767cebf1b9f9a8fdf9fee7e68b6eb3543c8aeb6df626ebe7031556b. Chain 2 (Bitcoin): anchored in block 958166 (2026-07-15T15:55:19Z), 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/TCAJH2589359.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2a3d11ec798e2cfb23fca672b81947747a4f065ceb494593c494a9eb181c155. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/TCAJH2589366.