Bonzo may mean: Nickname of John Bonham, the drummer for Led Zeppelin Bonzo the dog, a fictional character that was created by British commercial artist George E. Studdy A chimpanzee - the title c
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 0x353ddf4d5ef81999d8200ae072682448f5b7dc972a7f6612bddce0ab83dd69fe. 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/e351a002-4567-4cda-98b9-158b4656f65b.json and https://artists.proofprofile.net/proofs/artist/e351a002-4567-4cda-98b9-158b4656f65b.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 0x4bbfb5a5ccc8dd8f10a569a1e8cb580485c9af7bb19435a5de3e92c0fd670cf6. Chain 2 (Bitcoin): anchored in block 958812 (2026-07-20T03:24:09Z), 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/ES71G1808232.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f2e2a533af323140e1502524a42edee07442e07ce84b3aa1fafecf22ae72846. Chain 2 (Bitcoin): anchored in block 958340 (2026-07-17T00:53:26Z), 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/ES71G1808230.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8eb2799770d4b22566507123536f5caa335ee948397234a8dd0f6a8615eaff0d. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T13:14:32Z), 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/ES71G1808231.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x733005529870793dd0a36eead64d6d785035da0c6d8f8c24574117911c03d040. Chain 2 (Bitcoin): anchored in block 957779 (2026-07-13T00:19:08Z), 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/ES71G1411867.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa867b982c44ed431fa38c0291ceaf33921ef061abe8c8a707c76d962429fef45. 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/ES71G1411868.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb383c9e35a1b5d7c5a806675e09822ae83c31637f64b8e782e1a6272219cf55d. 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/ES71G1411870.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e2b2cdde303c5f938d84427278b0a6d9f0c60bb174356ca56b19cc4058e7e10. 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/ES71G1411872.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe961cf5f07951ed8b1576aa317ba22ea034ad87af4de39386f2b962e301e8a70. Chain 2 (Bitcoin): anchored in block 958808 (2026-07-20T02:49:15Z), 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/ES71G1411873.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x778b15457bdc25749d64cf7e085ba33d20eacf5af24c1e053236b2c36a0e4fe1. 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/ES71G1411875.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb516ca36a2101b81304202a1351d887498b7d1202095f9e5559caba8aff6597. Chain 2 (Bitcoin): anchored in block 957851 (2026-07-13T11:26:33Z), 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/ES71G1411866.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x733005529870793dd0a36eead64d6d785035da0c6d8f8c24574117911c03d040. Chain 2 (Bitcoin): anchored in block 958208 (2026-07-15T22:40:25Z), 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/ES71G1411867.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa867b982c44ed431fa38c0291ceaf33921ef061abe8c8a707c76d962429fef45. 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/ES71G1411868.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb383c9e35a1b5d7c5a806675e09822ae83c31637f64b8e782e1a6272219cf55d. 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/ES71G1411870.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbfdddfee4f8f6ecac1b8e358a6b32c37d739a60392a1b333860bb12666e49328. 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/ES71G1411871.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe961cf5f07951ed8b1576aa317ba22ea034ad87af4de39386f2b962e301e8a70. 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/ES71G1411873.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb9dbd1df1a07a84c84ffc3881f4625f22612d26048268a3dcee455d1c65f8706. Chain 2 (Bitcoin): anchored in block 959052 (2026-07-21T19:50:27Z), 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/ES71G1411874.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x778b15457bdc25749d64cf7e085ba33d20eacf5af24c1e053236b2c36a0e4fe1. Chain 2 (Bitcoin): anchored in block 958069 (2026-07-14T21:37:55Z), 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/ES71G1411875.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56cd00422f9287bae57b6fbc88c3c9102e1cb59e8ba602130c2d7eee96d4bea8. Chain 2 (Bitcoin): anchored in block 959034 (2026-07-21T16:34:25Z), 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/ES71G1411876.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06cfdc258d57bb948add85aac498ec005a0f477ec2be43545635fefbe9553cca. Chain 2 (Bitcoin): anchored in block 956742 (2026-07-05T05:07:15Z), 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/ES71G1758488.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb81d45b17ec4673e3f9aa001dbcb09baf65b06c0ca2612257bf48fae732da55a. 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/ES71G1758489.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54fa40bfb177fb670b40a90813f0cf3ac7a9f0eb0b7bfb793e2fad48130fb79a. Chain 2 (Bitcoin): anchored in block 958180 (2026-07-15T17:59:52Z), 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/ES71G1758490.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45b0d39488e3e9eafca5aaff28105743fca469ea9619e00a39a3bbcd2417e96e. 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/ES71G1758491.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01b0d5f4f7d9c0f36146cd11d48ab2f7087e71fc1f03442781e310333f06e4b6. 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/ES71G1758493.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41ab1c5fcdb99c2bfbdb19efa0c88d0faea1fa68d3653c5b3c39a340a7f3db40. Chain 2 (Bitcoin): anchored in block 958517 (2026-07-18T07:54:29Z), 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/ES71G1758495.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce2ae2f778efb795c89756fea1489f3c3f4a52662bd3de6d1224e9b811935fa0. 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/ES71G1758496.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06cfdc258d57bb948add85aac498ec005a0f477ec2be43545635fefbe9553cca. 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/ES71G1758488.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb81d45b17ec4673e3f9aa001dbcb09baf65b06c0ca2612257bf48fae732da55a. 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/ES71G1758489.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54fa40bfb177fb670b40a90813f0cf3ac7a9f0eb0b7bfb793e2fad48130fb79a. Chain 2 (Bitcoin): anchored in block 957674 (2026-07-12T07:50:41Z), 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/ES71G1758490.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45b0d39488e3e9eafca5aaff28105743fca469ea9619e00a39a3bbcd2417e96e. 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/ES71G1758491.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1dc48ead5bc67c7116f99f7d59201669ce6a0d3c76bd775cb7127fa0e601c0b. Chain 2 (Bitcoin): anchored in block 957676 (2026-07-12T08:20:25Z), 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/ES71G1758492.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01b0d5f4f7d9c0f36146cd11d48ab2f7087e71fc1f03442781e310333f06e4b6. 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/ES71G1758493.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41ab1c5fcdb99c2bfbdb19efa0c88d0faea1fa68d3653c5b3c39a340a7f3db40. 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/ES71G1758495.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce2ae2f778efb795c89756fea1489f3c3f4a52662bd3de6d1224e9b811935fa0. 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/ES71G1758496.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x133e2af32984deb6b6978a40c4bd969cd9141ce92cd8634481d8bf971369adda. Chain 2 (Bitcoin): anchored in block 958975 (2026-07-21T06:12:52Z), 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/ES71G2053589.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x088e4356c38436df9b86c6b34bd0641f53e17fe02b752f179b8f1df4adce3d6c. 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/ES71G2053588.