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 0x34c7000d18a36fb03a6db8b57ccbf99f3480025df3ae31ab6602d69915665122. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c4b38ab3-b8d2-44a8-9e2b-11bd58fbe653.json and https://artists.proofprofile.net/proofs/artist/c4b38ab3-b8d2-44a8-9e2b-11bd58fbe653.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Enthralled in Essence - Pre-Production Demo 8 / 90
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 0x81fd6e38d2f846a088ba7a7c75567abcd315b7a6db6b52b0b487dc5c4726c976. 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/FR33T1227809.
Unquestionable Presence - Pre-Production Demo 8 / 90
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc84f0959d98f5bef3f229f9e3a2b5fc2528316365df061f6617d8704b09a4b0. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-17T00:05:54Z), 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/FR33T1227811.
To Cry You a Song: A Collection of Tull Tales
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43cb525f434bf91dcffdbee7d7c19dbcaa35f236d30d8c78ffaf64e9795f793e. Chain 2 (Bitcoin): anchored in block 957065 (2026-07-07T16:43:21Z), 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/US78S0500902.
An Incarnation's Dream - Pre-Production Demo 8 / 90
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6468312d287ea76c3158f66ab33650f5fde90a8264b9bd72fdad9da8ebfe9872. Chain 2 (Bitcoin): anchored in block 959123 (2026-07-22T11:35:32Z), 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/FR33T1227812.
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
Your Life's Retribution - Pre-Production Demo 8 / 90
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x062993a76d14af84fe868d26c05d459b1ef1f475c8303aed30ac894c6f7b02a6. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/FR33T1227813.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ad2cc01a27a199104898438d4ec6941e4191eb5636f9a8913d7cf0ff2e1a84f. Chain 2 (Bitcoin): anchored in block 960144 (2026-07-29T21:09:47Z), 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/FR33T1227814.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6f17d64e7a61dabb3df5cad1fa873ad3220d3c0b9a4a290b1ab1925baa0b1b7. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/FR33T1227815.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4f0a4ebc84d1d5ec234d61e22328e2bafeb396e42304a8531edb0eaa0586f4e. 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/US78S0500901.