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 0x175bb36e7afd4de289aab5031079c90f26380a5f470453fcd2c70b57c4d636ee. Chain 2 (Bitcoin): anchored in block 953842 (2026-06-15T22:22:30Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e9a8e7ac-78f9-46d1-b50d-8cff41c35c57.json and https://artists.proofprofile.net/proofs/artist/e9a8e7ac-78f9-46d1-b50d-8cff41c35c57.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 0x6d98c2024bbbe1f575cb7fc91aa524338bd9fe78794b6d0f5dec34c6e637ed32. 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/QZMEP2021269.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x151aa784f5e99f6368f3c40ec7101b2f49f1b73c890be9f2e2187ed034fffd6e. 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/QZMEP2021272.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef7569d58ad8c6838636949b943c40fa4f3e3158490dd6645e2da210477250d8. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), 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/QZMEP2021270.
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 0xc6ed30534df663fac66a1a5b116be589ee0cc8b137271ea2c39460a28631874f. Chain 2 (Bitcoin): anchored in block 960173 (2026-07-30T00:11:40Z), 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/QZMEP2021271.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf50949bb82df01e12d0977d9c9e8271bf60599f591b5c047358434a75da8df7d. Chain 2 (Bitcoin): anchored in block 960360 (2026-07-31T06:42:11Z), 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/QZK6F2094655.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3219eef69341880b1de2a3facbf04fe9e86cbeb1e2632a1e0e873c63d3c5cb1e. Chain 2 (Bitcoin): anchored in block 960309 (2026-07-30T20:35:49Z), 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/QZMEP2021273.
Nylist 666 (666 Vocalist World Record Track)
Nylist 666 (666 Vocalist World Record Track) - Remastered
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x99c1cefcf914ff20f1912d52385db04f591a01c7d1c0a803ee3ee3c3e178725f. 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/QZK6H2153994.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9abd52d5bd765759469fb73e8ffe09484a721cc29554ef2500dc9143a91190ba. 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/USHM82325683.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x577f2c4cc24af202bdc6979891c12db01a6529ac6e60cad924d45ec09f48605a. 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/QZNWR2116210.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5dd8a6e1e496c7f89cc4da153033e427e9bad769d3b1d97c9b535a2123b1630. 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/QZNWR2116211.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4127ccfbae50d80c3297b0b6f76f828c48cd20fc4aca46b67e51c209bae207a. Chain 2 (Bitcoin): anchored in block 960497 (2026-08-01T02:22:04Z), 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/QZNWX2129441.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02b079dcc4dd400c7d5becfd10dcdc9369ceb7e6b2d7325aec640996f0fd8ef3. 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/QZNWU2151633.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7abb1c8e194880d81f09b1ee6b57468f33e7300fc6fbaf95383ca26db58fd30f. 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/QZNWR2115131.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x508001475410756672cb3589da628ed04dbd4e9a1043ce79615e725c5185f62a. 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/QZNWR2116189.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec49eb13d929bfd51483148776b25604113bf77c5f7a70a5f9658cba15de6cc3. 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/QZNWU2151635.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf555c87810e3e5cb93dbeaf50164f1e8d02f5ba1dc138806258e460b1a8b96f4. Chain 2 (Bitcoin): anchored in block 960337 (2026-07-31T02:51:48Z), 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/QZNWU2151634.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e5919da87d137a03e3d4a92eb7087d4c933cea6bfac5c22688faa8bb21fabaa. Chain 2 (Bitcoin): anchored in block 960121 (2026-07-29T15:22:21Z), 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/QZNWU2151636.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4e1b29c21aea090dbce7c1829bf782cac69383dbac1ce0957607f0cfbabd06d. Chain 2 (Bitcoin): anchored in block 960300 (2026-07-30T19:42:40Z), 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/QZNWU2151637.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71ad4a22d628d6b02ea7707ee60372ee98b15f805839f56eec412082ff53756a. Chain 2 (Bitcoin): anchored in block 960500 (2026-08-01T03:13:03Z), 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/QZNWU2151638.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f5ce7652e761ca1e9324e06cf1047bed8f472c5763007e5e10ec770b6163054. Chain 2 (Bitcoin): anchored in block 960302 (2026-07-30T20:09:33Z), 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/QZNWU2151639.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb94ec8e3f3bdd1005662660214f7d2f98957c3571d89ff9aebdc45687963ed5. 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/QZHN91919710.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf842d2dd6393b93fa6bbe3e318f7dbc24c09af1a5ae23665f714d7eb563ec830. 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/QZHN91919718.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1457d7bd422f4926240b24ca3304273bf4cef58f66d4bcae9b2ff08bdde30a6d. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/QZHN91919714.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa9ab9b8b8eb632481ad35edae439816b9838a45dec32fc77e479690773058fe. 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/QZFYW1988019.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x308d496d4a29d29d3ad82eac53f561c496e6af86abdeddbdadf7ddff0315434c. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), 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/QZFYW1988020.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82f8a046181a907ea7b0dcad13b158868b65a9ab9d923b76faa9fc0de153eecb. Chain 2 (Bitcoin): anchored in block 960240 (2026-07-30T09:57:33Z), 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/QZFYW1988021.
Grandeur and Virtue, Pt. I: Dance of Swine
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31e6d45d5cba0adb12d635e6d31774c16dd4cd43ddaf498eedf2bd302274ec23. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), 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/QZFYW1988023.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf607140b5e9aaf259a879b3e14d6ef92142478e7f96cb72930390622b115925a. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/QZFYW1988024.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1dea1b7c7abc35cd4c625401660664a65e21317ac26b531d1b9dda428e08d38e. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/QZFYW1988025.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6bbe3861d2bb63e66a5e846fbf7ec0059a0f7ea6823a3273e04916f6a776426. 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/USCGH2544838.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe8305af519b82e94a5b00a76f2a65d6e8b414a5ea6a4460c422163a88d3d4d4. Chain 2 (Bitcoin): anchored in block 960302 (2026-07-30T20:09:33Z), 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/USCGH2544839.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa10b91eb59f0a6ca77f879ca7c06c47ddd8390cc3f5265dcaeef487a908b2b17. 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/QMPKX1506021.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ff9342c4b45d5e4783d647685dd6001332f0d3c11905663becb816ee69847fc. 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/QMPKX1506023.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03e6f4ad2991eff54644c200d50971c6d9a48ef532229e4f331131d8af989cd4. Chain 2 (Bitcoin): anchored in block 960497 (2026-08-01T02:22:04Z), 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/QMPKX1506022.