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 0x9c02ad3ee58ad87de632005cf82aee4791fbb29a50f8da84fa58b466e596a8e9. 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/16370cd5-0774-4689-a17a-844d7f36c08c.json and https://artists.proofprofile.net/proofs/artist/16370cd5-0774-4689-a17a-844d7f36c08c.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 0xaade34a1dcfd0e3e2507c80b46747d3882cba4f7955d51d509845daf8e9a628d. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/QZHN72294320.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31cf084dae00d07777088bf2fb460bbe5f800116d09ee0e910d988b2c55e524d. 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/QZHN72294321.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73546289e41eba999245d01af53d235ffa41203b2dc8a37d11ab2097a36a7181. 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/QZHN72294322.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b3b3a6e0020eef6ef795b5c703f47b945a747d61c49caec99ade6c8f908fc31. 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/QZHN72294323.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b6e172e17a0f06d0604122b105a28eb325716e9e83fc0391e5ac711bc4e47d4. 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/QZHN72294324.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc9422b4fb0975c9878f3a34ddbb23caef49cc256da451b99f1e32db32275a6d. 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/QZHN72294327.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe01dd61625da72551b815fab06668dae97a092818d6db9c2a9de2b15fab832d7. 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/QZHN72294329.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd921fc4d8ed40cf02d459a673f08c4e84c90b5b038e60efd4502c40a9054491d. 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/QZHN72294330.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf84153cf07d8a1b09d7f5282fd8bf948a9f974f1d74d2ac3978a262c87670eb. 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/QZHN72294331.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa652bbdb7845190e7f1a9e6762d7b22ae8c85d52a5ab1305ad1ec3673f71107b. 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/QZHN72294333.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x965f2dff8f573e8b730bc1c8065b67b55a3f60732abbf0d01636de0cf667ec0a. 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/QZHN72294334.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d892dca21358e806e3db17833a80aef81d30f6d0cb7f7557990a339e29712fb. 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/QZHN72294336.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c7e8e1c1258d34836c549beac1b720c53b3839d4d6662c5f57103345563285c. Chain 2 (Bitcoin): anchored in block 959155 (2026-07-22T16:43:41Z), 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/QZHN72294325.
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 0xce6101f4a1db6c22ef15b24a0fc31bfba1c6e0beca90f5646f19afa48724c2a5. Chain 2 (Bitcoin): anchored in block 959163 (2026-07-22T21:03:48Z), 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/QZHN72294326.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9a5b976a83b0d62d408c62e2994f95ad1205565f52b929a428bdf4e271458aa. Chain 2 (Bitcoin): anchored in block 959145 (2026-07-22T15:39:05Z), 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/QZHN72294328.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x995f4d1deb9fd7f4f0733e9a32c6a4d0e1bf58977d33b70be4de83e1d7848e56. Chain 2 (Bitcoin): anchored in block 959134 (2026-07-22T13:34:27Z), 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/QZHN72294332.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x969dbb2a5a2893e0b0cc144684a54d234c9eff3e620fda0e276f5a91666535f5. Chain 2 (Bitcoin): anchored in block 959163 (2026-07-22T20:56:48Z), 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/QZHN72294335.
Step Right Up: Adventure Isle (Yume Nikki)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xacf48bc0283a500dddb9492aca3bef36f8aa731098386b90646b5118258f053f. 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/QZTAU2426508.
Step Right Up: Adventure Isle (Duck Season)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6a4ec99a37bbb054d8330a6666adf370fe609cae065028908160b795692b05a. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/QZTAT2457007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39763321efe2918363238cecd124c7f4ea5ff39993df608ded808dbf41fcd745. 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/QZTAT2457008.
Step Right Up: Adventure Isle (Tattletail)
Step Right Up: Adventure Isle (Smile Dog Part 2)
Mind's Eye Squared - Instrumental Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ca2275c376fbb0c5cfd8c55e5b48fa3aa6a8a40fd10f1d671131542311baad7. 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/QZTAW2447680.
Step Right Up: Adventure Isle (Bonus Song)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6c94471253f59726c912c03e98a0d53c8cb8e0f856690a6d34df97d233afc20. Chain 2 (Bitcoin): anchored in block 958436 (2026-07-17T16:42:22Z), 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/QZTAW2456203.
Step Right Up: Adventure Isle (Smile Dog Part 1)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x642bee8870a744647187559f6c3ec4221310f872cd1d3a92a3456701bb10839d. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), 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/QZTAU2474469.
Step Right Up: Frightmare Hill (The Escapade, Act 1)
Step Right Up: Frightmare Hill (GODKILLER, Act 1)
GODKILLER, Void to Flame - Act 1 Instrumental
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x617730d70fe357918052fd0e59dbc90e01b0f85076d075c1cc1102e1542383b7. Chain 2 (Bitcoin): anchored in block 958152 (2026-07-15T12:00:27Z), 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/QZK6J2599120.