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 0x590bb3c50dd8c59d4690a449eb5a9f34f93ee220654b3c8b9a2435d7cacdd8d8. Chain 2 (Bitcoin): anchored in block 954065 (2026-06-17T08:10:43Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4bd804cd-2ddb-40ca-a75b-9b5728fe11cb.json and https://artists.proofprofile.net/proofs/artist/4bd804cd-2ddb-40ca-a75b-9b5728fe11cb.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Jazz Age Chronicles Vol. 11: The Song Hits of 1928
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 0x364424a21553844f2e77018251d59c0d3eac619f56068792c4deceea3bd5989a. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/USCXG0900465.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0db3f57c8ec0526e2ce8e7e0ec3e92b34e1a16e5319ccc574d85f1dda8cb48f8. 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/USCXG0900467.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30dd829c7ed94b88383fb4265be7bf2316ff8da0fbb7f611111844339cb4469b. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/USCXG0900471.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d8c749b1f307b9490b23184f30f88ae59da29947f648fb504f9e1bcc6b69c80. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/USCXG0900480.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa786d6ce0e1e91ab243007effd0cb77e8c2d8ef0428fe36c1dccadfeefc8a76a. 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/USCXG1800210.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50e4a723355381647b9c59ae0d4bc7b68f0637ad1b4a1ca130edba74c8ead723. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/USA371133886.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5cca1eb7bb7f40a6062d722b532be5adf9cc71613968104d6ea4f9e729ae51fe. 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/USA371133888.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e54195b0945f2cb473b6a71c7779edf83f918c8460a8120f103d3f57fa9aa57. 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/USA371133889.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4bfd15a6cce25e3003df20bcbb2963edb470fbde91a94bb771b2561881279d7e. 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/USA371133890.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39a75698fa70f2d32e7ad56df3e19b8f457cded705c9f632cf40b08d4b149cc1. 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/USA371133894.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ec79245e277416d8188885fcc8bb2ac8b71295c4c76f35c9b830ba2aff97bc1. 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/USA371133898.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3788e5c61d79f0b45bd9b1db7c0c030706c0a20a49cbc20c2886cb11d70365b4. 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/USA371133902.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x339055dff7d70bfc86511a7ba80a82f80938b683843ca2c9fc4795f447407b62. 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/USA371133907.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6df1763ed40a1d735e34e6206bde44f9dbef7f883803c7d8eab6edf585675e4e. 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/USA371133913.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x601045c54da3429cd5f4f7bde351421e8c79063f88e78afa51fb3a8968886ea8. 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/USA371133919.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e33bb07e3c4487b41e46bc85ae1c44f8e1035da886a4fe800088eb83213f362. 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/USA371133926.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbaa9c24b13d081d5b11779e3c225ece0375f0cdb9a9406216ce8c21b39c1e206. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/USA371133929.
Cass Hagan and His Hotel Manger Orchestra
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x742e23a0b0d5e770b38849688b8f2a86d5b31574c70cda5a1217a78aaa8bf484. 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/USCXG0900347.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73b70c99ded16aceb5e3054a6db962ebd6308ae2197474564431199153afa1d3. 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/USCXG0900348.
Shaking the Blues Away (Zeigfeld Follies of 1927)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3265fd064b7b37174ad8b21f4ac32625d06710a765835500729982aaca0d70ff. Chain 2 (Bitcoin): anchored in block 957052 (2026-07-07T14:50:41Z), 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/USCXG0900349.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74fd4e3dc132554c55ba12db07c376bc1132b1efd703381e96dae660fb5a9f6e. 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/USCXG0900355.
A Precious Little Thing Called Love (Shopworn Angel)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xacc2bc33ebbd7eb1591cb292c28a4c1f60199d553d432d45d3492457e6fd6c0e. 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/USCXG0900359.
If I Had a Talking Picture of You (Sunnyside Up)
Earl Burtnett and His Los Angeles Biltmore Orchestra
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b44570b9ca1fc97678fdafd09fe9a5f8f18656dd1f7ddedd5314cf9c5fc1a2a. 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/USCXG0900362.
Singin' in the Rain (Hollywood Revue of 1929)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c8292a96837d053c5b67e0d92fa47d6caa6b46573e44806ced7df50d69dd4ea. 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/USCXG0900364.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28ca639f143a197d8e86a152f26bb6611aaa85c2d62d80d470bd98fc141a8324. 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/USCXG0900365.
Puttin' on the Ritz (Puttin' on the Ritz)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3f738624f8f433e1ddd9f0b2125c4b63fd962842859e5ef40504c94e633eb39. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/USCXG0900370.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1853b126f78e6b94f9b4551549ffff54667d0d5bb013cf72dc6406cac75cd7df. 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/USCXG0900360.
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 0x26e8a964700b5b113dec1f2373ffea952b2c415fdeb23caf488094c627c4b1eb. 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/DEU241126289.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x968656acb8f188a324c49a072864283f6c2f48743c225214e38ca66c14d616cc. 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/DEHB51249595.
The Big Broadcast, Volume 5: Jazz and Popular Music of the 1920s and 1930s
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e4b35a3e50b53a10cc590746bb6b133d1656d4c79dc3f51c4ee0f231b43b55e. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/USV351311339.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcec05f7682e1be6d52a0a7b0964729a9341d957aa0d15e156aa86f61a18c0365. 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/USV351311341.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c6fb36cddd9f621e09660787adcaf7e0a774f76a335eeeaf4d36b3f8a9bc10c. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/USV351311344.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc69874b5679055ad8a114459effc670d39621e0d03ee51de257e83f9a0071bc8. 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/USV351311347.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb3ec571018f70fc3435aec9935473147d1c878a1e1321dd1f5fb5b689e36561. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/USV351311348.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30462f45548958964f2530b9d7e27edc3a3aa5294e46939a828fb83950096029. 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/USV351311352.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8085999c9e853be43eaa3dd37231aa62341e0438d5dc87db665698a6b98e8db5. 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/USV351311354.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb76c2315fdb870eb8b08245450f7c1d2866a5de6eb3daa772929c800b4fa744. 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/USV351311356.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2de0b958a26aa1c7c598add6e813b1690f33e04f935f005c43727daac8e74505. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/USV351311357.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23b7f719aa34e0b17d3399d7a39668156bc634d95494e355506392dc8e1f7085. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/USV351311358.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2a467a6987539853d37e0433e278c3c210b86debbeaa9d791fb0e3219e49d35. 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/USV351311359.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c0f884b3945f7db7ba9fc3b9b7e843d32ae213a80f41b1c0087efb12125bd15. 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/USV351311360.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d586494e5baad3b51e520c708191043cba2133def8c423a72678f8c9fc8ef4e. 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/USV351311364.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c25232f433b80d94a309c1c4cc4ccd2cd6a72f77599678e5a410f7bc08c236f. Chain 2 (Bitcoin): anchored in block 960225 (2026-07-30T08:04:30Z), 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/USV351311346.
Static Strut: Hot Dance Rarities 1922-1930
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d3a23b5deb6b2ae4916480ac3118caa7fb3ddc1befd6fdbba9fbdf18c8843d6. 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/USCXG1400811.
Nothing Else to Do but Sit Around and Think About You
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98e5fa4a7e88c2e0cce08fcb4b2d5e0b88548764767af127edfa785c755177b9. 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/USCXG1400812.
Coon-Sanders' Original Nighthawk Orchestra
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f9d69b1fb9a7814fefdbeaa4bca87c6b1822a0b1ca6cac73672397c0458bef5. 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/USCXG1400813.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8e4b9175acc390d0e56e90fdbeb7f3eafc7e4df492733bcac9dacb277f6e87d. 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/USCXG1400815.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcec00477ff7c1d28ee3e58af0d3b3c18b72060a5674acd9ecce170a0e825b1fa. Chain 2 (Bitcoin): anchored in block 957048 (2026-07-07T14:18:56Z), 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/USCXG1400817.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd9988f9590773f3c36e05f1737b0ae3293ff3cbe17dd17b24a1b9bbf98c576e9. 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/USCXG1400832.
Ben Bernie and His Hotel Roosevelt Orchestra
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e0db823a66e693bbfe5129e42f8b6fd2e5cf79d06015c8fc6b991e3a01cb7c6. 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/USCXG1400833.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x787ae539ebc9b036a2e9758b554f811f2e7aa974575efdf74a8a1db932ec9277. 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/USCXG1400835.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28cb0de48f73c730afcc83ac7276c0dbbfa78fea02a1d8282b24bd85f8bfa8d4. Chain 2 (Bitcoin): anchored in block 960198 (2026-07-30T02:21:55Z), 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/USCXG1400816.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c5860c070cf62397e83fe273d0562815f4f41a737331336b25a1e8adb5f3073. 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/USCXG1600151.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd72b9287fe0b619c0184bd6c5637e48291dcfb80b3b3d02c3b25a1075710d8d1. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/USCXG1600155.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcdaa8a5f20cde091b2c8dabeea3e17e0a93893d7a8b4e1e676c905e5b3ce0d5c. 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/USCXG1600157.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a7651a25d934997429dc6ef7119535e2c0f5bb40fde6eef669b096707645fc1. 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/USCXG1600160.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbca40b4496145e5a4abc1398e818854a5dd68f7db372b7f98b7e119449e3db71. 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/USCXG1600162.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4696f7124c17e4f32d44e183510d00e7e40df4909237be1023ed2f36ea662fc7. 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/USCXG1600166.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04c3e276863ab79005a640f5c56616d8e729bc4922a8dbd1243adc0b29518622. 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/USCXG1600167.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69f7e19b7a344432558bb983c21e6404bbcd1d78196428a1b6742ddf3e4bfbc5. 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/USCXG1600168.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee4fd44013533aa9a351bc85317613de269c172c8432666643180ff7f35850eb. 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/USCXG1600169.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe38788e86e8d578ebca5f3f38ab47b232363530a9eb48a166f0bcb666e1bb411. 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/USCXG1600174.
The Roaring 20s: Rare Original 1920s Recordings
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7da4166f1b1c7a2dbb6573eb091b983ac98b8d4bf819d1a38f3ba2685d9e2418. 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/QMDA71341906.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9274448b00faff00e923a94344cca8904342540400ce3e6bf124e7469a8a701f. 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/QMDA71341913.
Bernie Schultz and His Crescent Orchestra
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x49d77922e52e33d10bf7d94ff700a5ca5fc34c4c83067732e60299099aeef697. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/QMDA71341914.
I Wish I Could Shimmy Like My Sister Kate
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46790cf423dd072e1cfc4c1fb0f814b51d481a2c210bb58b848633dc63bf83a8. 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/QMDA71341915.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc91dde8493d130e1e88f0d2ce3cda9f92c863310e7ce860b0980b10ca225bc5c. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/QMDA71341916.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x526e0b478ff9c1a39ffced30903b395d82b21ef1b9ab228914224b5c7c4ad5a3. 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/QMDA71341917.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f32b866b0859e97b9738be595c771ab03a1130b6e6339ae8f0c7e379e33d186. 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/QMDA71341923.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x809b3645f69d1cd14af844448d7fa601c422f90feeb8a5d39861908ee1fd7793. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/QMDA71341926.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xacb8ea05b76a45d4f9057725cd936a7f0451853b467c0b32c08977a3bf796fa7. 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/QMDA71341928.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc79b7d57be2cfd0218db4cc437a07845257688082b83b4a9e283ffc5746d659. 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/QMDA71341929.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6251883efdca380b3980035ac9c2b99cab446de7a3c9ca81e32ad609a5cd7b1. Chain 2 (Bitcoin): anchored in block 960181 (2026-07-30T00:53:20Z), 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/QMDA71341908.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa61ed5fb2a158665c144b8cf2a2cfbefb3d62d6c290dcf6b844e2ea4d2e358ca. 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/USCXG1300092.
Doc Cook and His 14 Doctors of Syncopation
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc07e4b5739eda719ba0c401ecc01b8e0f9cad6f86c6022375e9f5c959d73176. 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/USCXG1501914.
Tiger Rag (Original Recordings 1929 - 1930)