thumb|upright|A piebald horse, Tobiano pattern A piebald or pied animal is one that has a pattern of unpigmented spots (white) on a pigmented background of hair, feathers or scales. Thus a piebald bl
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 0x8224bc79fdfb24a18bb532a7b383f0eb4dbbcef55f7343db233346dd753a22a8. 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/afc88735-7e70-4dc6-a492-ed376c8e4156.json and https://artists.proofprofile.net/proofs/artist/afc88735-7e70-4dc6-a492-ed376c8e4156.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x49c6fb7d199fd30dfd87917d78b35303be27f25000157b346a373474bcc12ba6. 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/US3DF1601495.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x836577d8d8cb363b4557f51cdf1bfbdbc753c9c647d07f66f8dbfd82d1f787e4. Chain 2 (Bitcoin): anchored in block 958991 (2026-07-21T11:07:25Z), 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/US3DF1601541.
If It Weren't for Venetian Blinds, It Would Be Curtains for Us All
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02ac883a17e88e930e4d6ed151012710d50ea4fc1f92d30aa1b732057086acf1. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), 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/US3E40600361.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3140551e34211535bb3792c750b04af5d037c09baabd47331c147039c9630497. 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/US3E40600362.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc980c2739aa09b8160563c17370e25d1766407be77c13e632ca914aad74487f5. Chain 2 (Bitcoin): anchored in block 958987 (2026-07-21T11:04:23Z), 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/US3E40600364.
If Marcus Garvey Dies, Then Marcus Garvey Lives
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b47fd0ad30ec0cc565e1f4d25d8db68e510ef23dbb1c6c2e447febd8fc6a247. 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/US3E40600368.
The Rock Revolution Will Not Be Televised
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15022e2dc472e4932e4f5ba686993b8652c8ff02938c06dff9594d06df0b3d2a. Chain 2 (Bitcoin): anchored in block 958074 (2026-07-14T22:45:25Z), 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/US3E40600384.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d59fc3d7c4ae37e17486f3e531948a69c1a5e4b621a89659faad114951b85e3. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), 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/US3E40600385.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8749000ef8034fe57bc9d0de4575389e0ef7a629cefb11a3bbd4b8d0afa7ce0. Chain 2 (Bitcoin): anchored in block 958286 (2026-07-16T12:43:37Z), 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/US3E40600386.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a84e00eea45155619dce31cc9d99d40c0bcdf7ea335019371e51195017d1aea. 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/US3E40600387.
It's Going to Get Worse Before it Gets Better
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13fbc872f87b2581b9eb1ec2e02a71415de536ab7ec3a09fdc8dc022f158b26e. 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/US3E40600388.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdfcc68d4955ab5a6c7882d65b5f7e85d06789e7bbd4fa5c8c719a2ebc50ae1ee. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), 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/US3E40600390.
Sex Sells, And (Unfortunately) I'm Buying
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe05aa46526ae34b7fd3aab0e7b995c3bfaa512e1635160ad2999f40a91ba273a. 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/US3E40600391.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e42e6f0e50b1c0009b582498c80aae0b933e656bbd70693616d5a10b0e86309. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/USA6G0424701.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc3fbb3635e0bae7c4398398449c23d7cf5bb0248c63dde294cfcc69f4d4dc99. Chain 2 (Bitcoin): anchored in block 958346 (2026-07-17T04:10:53Z), 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/USA6G0424704.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3a15ece686973128b3aa6b2e149236c4665df3bb4a7478a5113977f86fe185c. Chain 2 (Bitcoin): anchored in block 958074 (2026-07-14T22:45:25Z), 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/USA6G0424706.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14816866c1a326f5aa6fbb0d147b5c2d77282f6aa52d47876ea79fe3c05846d2. Chain 2 (Bitcoin): anchored in block 958342 (2026-07-17T03:53:31Z), 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/USA6G0424708.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf20322d60028ccabfbfc5f7100cc04267faf029676da18eb5931d7b1553b3321. Chain 2 (Bitcoin): anchored in block 958942 (2026-07-21T02:28:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA6G0528005.
Nodoby's Robots: A Farewell to Piebald (Live)
Piebald Presents To You, A Musical Christmas Adventure
We Are The Only Friends We Have (Deluxe Edition)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7cfd039ee73d834a72b9f270aecfd6565005cea1328594effb3dfb5c243a78f. Chain 2 (Bitcoin): anchored in block 958943 (2026-07-21T00:27:37Z), 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/US3DF1601376.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c167b1e42723e16154cfa4e0641e076f3ae00751c5c1e929780978e9cfe42a9. Chain 2 (Bitcoin): anchored in block 958716 (2026-07-19T10:15:55Z), 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/US3E40600382.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc4b8f0d0a800bbaa056e1d3754acd97aaf13fe74ada3899d89fb9d13221ef02. 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/USADD0330513.