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 0xaff6eebe91c26d12ffde047bc79b57f850dde3bd836d4772fcfa6e4511072c41. 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/7c118551-99ac-4789-ac0a-7736cd224b8b.json and https://artists.proofprofile.net/proofs/artist/7c118551-99ac-4789-ac0a-7736cd224b8b.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 0x317da167ce2604766eac3e24fc71cc081ff7cf374c040c21fdc7460cbc86b061. 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/QZFML2032245.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ef4c6e35ae1408ada045ba77585123c08638df589747ca6ec801eae69538868. Chain 2 (Bitcoin): anchored in block 958110 (2026-07-15T06:57:12Z), 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/QZFML2032246.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7eafa7a48c974b85add8277cc741726678fd7cc475887c337df718943245e7e6. 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/QZFML2032247.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56a8e9273df4658e29f881ab051604759b686b8811563437cd2ebdcaeb982425. Chain 2 (Bitcoin): anchored in block 958508 (2026-07-18T06:27:01Z), 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/QZFML2032248.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe21c4338e1949ca66945fa33902acd2d2ef26e48db3d2e3ad6b07f4516da7eb. 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/QZFML2032249.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10f8b65670a0f324aeffa16de4cf684dca4581150897c56f6057a3ab52e5f99b. 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/QZFML2032250.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b81eb4f066db12c38d0fdec778daeeb1845da85814cc1221387bbc0fb52cbd3. Chain 2 (Bitcoin): anchored in block 957872 (2026-07-13T15:39:45Z), 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/QZFML2032252.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbeecbbe5df8c5338726f626b2edbcf152579348ff3cab93fa343ec5252d7bba5. Chain 2 (Bitcoin): anchored in block 958373 (2026-07-17T06:09:33Z), 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/QZFML2032254.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc74e8af8e5c3f98beb5ae1f68c5133bebfba99f5927cc8ac1d889f8698bf5cfe. 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/QZFML2032256.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa655bc194a8a7f73594654b57afec36a21b40253e565b0dc6b0002f1f279736d. 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/QZFML2032258.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3be309bb2bed80fff479e9636dd55a7187e245b4e3139bf7a7687f1976e1d991. Chain 2 (Bitcoin): anchored in block 957872 (2026-07-13T15:39:45Z), 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/QZFML2032259.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x60b05cf30a224ff043769efd54c66c5a5479a25960d8c8890cc2ddaed2b02787. 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/QZFML2032260.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9594af1ba1c77a194afe7c148aaabddddc134f1620c04e8b6067ce329b970fc1. Chain 2 (Bitcoin): anchored in block 957872 (2026-07-13T15:39:45Z), 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/QZFML2032261.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45e749240c44ec70e697d27f27c7acc4508e5d5d2935f5c162c769e0ee5eac88. Chain 2 (Bitcoin): anchored in block 958349 (2026-07-17T02:28:59Z), 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/QZFML2032262.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80346d33d0388541df395c97687ea34ce54585ff3bfba6a5fb4895789e9e1208. 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/QZFML2032263.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0957b9c4ca394156d54b52baac3fd9ca6b6b6b3105e6113942bdda420360ad52. Chain 2 (Bitcoin): anchored in block 959037 (2026-07-21T16:59:47Z), 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/QZFML2032266.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x118c11a2f2fbcc2c945b79cf99014fff3f6bc957b0bb4506959ee0fa622af8ab. Chain 2 (Bitcoin): anchored in block 958447 (2026-07-17T19:47:19Z), 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/QZFML2032268.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c433727891621e230ee7993192c15f55600185e8b2856d45be23a1062168b37. Chain 2 (Bitcoin): anchored in block 958842 (2026-07-20T07:48:27Z), 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/QZFML2032269.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x60c0a74bc84af7311b08d84d5777670449ded623cbb438cdb1afb6290e776f6e. Chain 2 (Bitcoin): anchored in block 958857 (2026-07-20T09:45:25Z), 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/QZFML2032279.
Christmas Morning Relaxing Fireplace Sounds
Burning Fireplace Sounds on Christmas Eve
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb0eafcc00365ad73561cc54053988e14072d552d6cbbfedd15220a3e65ca09a. 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/QZFML2133241.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x875dc0b58293477b6475b34118153982c6cb119a78b240fe2183d645a1669b0c. 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/QZFML2133242.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf447aad3a573cc23dee8da740ad00fae582c4160bf9c0d7d5b759fddbf5eed2. Chain 2 (Bitcoin): anchored in block 958130 (2026-07-15T08:37:45Z), 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/QZFML2133243.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75fa0765b84b9b8761cc8a272a45f9f6861e08c34cc143493f02803f740128d8. Chain 2 (Bitcoin): anchored in block 958121 (2026-07-15T08:02:12Z), 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/QZFML2133244.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ae587f16a8983d941ee98286bb5674241ea5c6aee9512ddba99fc72eb29f146. Chain 2 (Bitcoin): anchored in block 958355 (2026-07-17T03:11:50Z), 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/QZFML2133245.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6b9a0a49820a4b8515319bc5a623ce64717ea48fe60d7eeff8c4045d9d2d6c7. 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/QZFML2133246.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3324999014dca582a646a96a56dd186ec85e0e7f122295b1bd69797cba4b1ac. Chain 2 (Bitcoin): anchored in block 958455 (2026-07-17T21:28:36Z), 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/QZFML2133247.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5605fa8f7b5149dda4cdac216a4f100cf631d332811387ca5f766bc7905d2424. Chain 2 (Bitcoin): anchored in block 958410 (2026-07-17T12:18:07Z), 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/QZFML2133248.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9712e51a307930e7f8b7e13071a6ce577eabc8e93447289a198e2926a6bfcac5. 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/QZFML2133249.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61592ebefd8d8fd6b264768e32ee13847fbecdd3e68a8e8e9fb7fea7d8b32f1b. 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/QZFML2133250.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb66dc68d568eecdafc12acf28991d40b4978e4937e1762baa2da21c75072cffc. Chain 2 (Bitcoin): anchored in block 958621 (2026-07-18T22:59:44Z), 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/QZFML2133252.
Seashore Chorale Ascent Yoga: Music by the Seashore
Harmonious Baby Firelight: Musical Serenity
Harmonic Tides: Music of the Rolling Waves
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1675d51a9efc9f231091ce4d7f8a94cb30a455ab9a1ee6ec95f01da3eb1a25f6. Chain 2 (Bitcoin): anchored in block 960463 (2026-07-31T20:42:35Z), 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/QZWDE2478505.