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 0xf22dd67c3a9606ee8d689be97a4b24072a6e30bac9b1f11a0191519c87001fa7. 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/9aaec33c-676c-4a6e-b057-de3764ab56d0.json and https://artists.proofprofile.net/proofs/artist/9aaec33c-676c-4a6e-b057-de3764ab56d0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Favorite Things (from "The Sound of Music")
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 0xe37bf89f7906f68fc0168ef6245244e4def163d8f148f20ca5061bce0125332f. Chain 2 (Bitcoin): anchored in block 956440 (2026-07-03T04:03:57Z), 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/AUMEV2171237.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5dd45c5532d86f57c222f59374df32b5aeb618ea91df39cabdb35ffa5f7fe2cc. Chain 2 (Bitcoin): anchored in block 956440 (2026-07-03T04:03:57Z), 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/AUMEV2171240.
Part of Your World (from "The Little Mermaid")
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x12f6c01d590a2d3a1d6763e611c5d3b8325c3e366b4524f14f52bb813a4d31a8. Chain 2 (Bitcoin): anchored in block 958656 (2026-07-19T04:04:08Z), 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/AUMEV2171242.
Poor Unfortunate Souls (from "The Little Mermaid")
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88116873814cee0443574390745c6b63002ae63fa30fb0f8fa5c300219a6e4b7. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T19:06:31Z), 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/AUMEV2171243.
Baby Mine (from "Dumbo") - Upright Piano Solo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54345a65502c0ccb527f79505f9be2d49bbb66ecb8e905bcf00f572ff6040bed. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/AUMEV2258354.
Be Prepared (from "The Lion King") - Upright Piano Solo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x639ace1106bd35bbf255274b60eeb136a3510cb9e0da1b81bac9b28baf550c7d. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/AUMEV2258356.
Go to Distance (from "Hercules") - Upright Piano Solo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42a90c4f5254233febb62ea28b291b49d01460aef714de6c8db32b9a687425aa. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/AUMEV2258357.
Heigh-Ho (from "Snow White and the Seven Dwarfs") - Upright Piano Solo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdaf469e9e1cc39f56b9251e051b718ab705bda9177808fead59b47e692f5ef13. Chain 2 (Bitcoin): anchored in block 958647 (2026-07-19T02:36:14Z), 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/AUMEV2258358.
How Will I Know My Love (from "The Mickey Mouse Club")
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c0882cf9cceb963f538da6e6b3ece5ae590790539a98420fba2eda9bdd6a445. 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/AUMEV2260797.
When You Wish Upon a Star (from "Pinocchio") - Upright Piano Solo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a513de332c6d8c415c3ede46d4bc0f1e3a30e9d7afc6cfb84cfd96e93aa4ae7. Chain 2 (Bitcoin): anchored in block 958607 (2026-07-18T21:01:11Z), 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/AUMEV2260800.
I've Got a Dream (from "Tangled") - Upright Piano Solo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2dd1885692358610286a2987ed2fc5b3f13c4b2462f870bb96243d1617694de3. Chain 2 (Bitcoin): anchored in block 958839 (2026-07-20T09:31:36Z), 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/AUMEV2260802.
The Rain Came Down (from "Winnie The Pooh") - Upright Piano Solo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a2309cab83bff94f1e05c857cb6ce21bdbea32b08451004f022f70a970f2856. Chain 2 (Bitcoin): anchored in block 958988 (2026-07-21T12:00:10Z), 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/AUMEV2260803.
Love is an Open Door (from "Frozen") - Upright Piano Solo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc48d20401c028f214fb04d90e5b493a285110dd3ba55100a505293d0e2318cc7. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/AUMEV2260806.
How Far I'll Go (from "Moana") - Upright Piano Solo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3691305e5cd3ad6bd23542b27b20cf7e32265aa4ba20106b389925be5b41edf. Chain 2 (Bitcoin): anchored in block 958959 (2026-07-21T03:51:22Z), 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/AUMEV2260810.
Remember Me (from "Coco") - Upright Piano Solo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4c411c5bcff52ab0989a41391fa65544aec8bd8e49ffe584a72413218dc3c93. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/AUMEV2260812.
Can You Feel The Love Tonight (from "The Lion King")
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7ae6ec382f38c87d170dd771846dcb982c1950090c5dff6c4ef0935904479b7. 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/AUMEV2260813.
I've Got No Strings (from "Pinocchio") - Upright Piano Solo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x420fd8c642f165190d179f48d5c6cf78e14e9ecf280518958b9625017f461dc3. Chain 2 (Bitcoin): anchored in block 958975 (2026-07-21T08:48:09Z), 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/AUMEV2260814.
When Will My Life Begin (from "Rapunzel") - Upright Piano Solo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc713a7e83b2b47e764b676fe0f846f3f30e2d2dece5f092da40e6d3940ab1cc7. Chain 2 (Bitcoin): anchored in block 956790 (2026-07-05T12:31:54Z), 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/AUMEV2260815.
Someday My Prince Will Come (from "Snow White and the Seven Dwarfs") - Upright Piano Solo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9cf73641a37a0e88b996c23fcc1ce38d41fc88850fdf937e5756d37eafbfa723. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/AUMEV2260817.
You've Got a Friend in Me (from "Toy Story") - Upright Piano Solo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3260977339cbceb1be39d9cc598e2167c6e55c30c157f5c7639240103264dba7. Chain 2 (Bitcoin): anchored in block 958860 (2026-07-20T09:58:28Z), 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/AUMEV2260819.
Let's Go Fly a Kite (from "Marry Poppins") - Upright Piano Solo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6dda5b7d940b1c217eb30f64cdf59a96e36f1cf0c5b3b7f1216dc67d2b46f2e9. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/AUMEV2260825.
Under the Sea (from "The Little Mermaid") - Upright Piano Solo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdedcef5e3ef3345ce9ea076b32a83e2eb66e6e9a2ef5fac09437e35264dda0b0. Chain 2 (Bitcoin): anchored in block 956790 (2026-07-20T00:18:38Z), 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/AUMEV2260827.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x386139d177cbe93241be7c18ef13510a64a73bbb73c1852873335c39a011089d. Chain 2 (Bitcoin): anchored in block 958228 (2026-07-16T05:27:25Z), 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/AUMEV2297688.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf26137dda8cc7d3a8e81e9e83b21e1aa2cffca66145bb945b949e04f4798049. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/AUMEV2297689.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb694089557ad679e1dcbbf3884350ee69294edd5c94bfb31323fe01d327d47df. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/AUMEV2297690.
A Dream Is a Wish Your Heart Makes (from “Cinderella”) - Felt Piano
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86256ca4f47b2d54ffff70f4b3df38cc4777c0215c9652cdb382a247c1f0e15f. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), 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/AUGBT2234195.
A Girl Worth Fighting For (from “Mulan”)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f04d08c380daedad07b1033b76275467bbb0f782927aa6121ab036093c9af3a. Chain 2 (Bitcoin): anchored in block 958838 (2026-07-20T07:01:21Z), 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/AUGBT2234196.
A Spoonful of Sugar (from “Mary Poppins”)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f8b3aa43cc245f236946223edae08be1402007f10299343f1e0cf25316ed5a3. Chain 2 (Bitcoin): anchored in block 958980 (2026-07-21T07:04:12Z), 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/AUGBT2234197.
I Won’t Say I’m in Love (from “Hercules”)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24b3a84200b05fed6eeacee90e62b7b4b5be83c86fa58af3b4f81707f90a1fac. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/AUGBT2234199.
A Dream is a Wish Your Heart Makes (from "Cinderella") [Soft Piano]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc7f8afa60dad05d6bcacf5cd1e5dac7149443d9d3529f05aad7e8342c1608e5. Chain 2 (Bitcoin): anchored in block 958846 (2026-07-20T10:01:49Z), 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/AUMEV2391176.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05ec6fbe3dd0aef04391ddc21e6277359f199231bc510a6442da113876b00276. Chain 2 (Bitcoin): anchored in block 956745 (2026-07-05T05:33:35Z), 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/AUMEV2391178.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x903843d26def70afdc552ae1e014c8244192e8cd0ded076058bd8f1509c7df48. 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/AUMEV2391180.