Seasons After was an American heavy metal band from Wichita, Kansas, formed in 2006 by the guitarist, songwriter, sound engineer, and record producer Chris Dawson. Over the course of their career, the
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 0x83e85f1aa0dd0078b3e201659908150e6d95502471d916723bfc3b6d00caeb07. 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/d3d73337-fb12-4bf0-8918-9abe99a9dc5d.json and https://artists.proofprofile.net/proofs/artist/d3d73337-fb12-4bf0-8918-9abe99a9dc5d.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 0x8ca5c2585d7679594508d03293e2e609cd382aedeb784dbf6589681cdf32daf8. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/TCACQ1626630.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c8bc9748f6bbb4ba999dc3b97aee741fa9e3f5293baeee5c9b13b94a45e6fe1. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/TCACQ1626631.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe61572526253338e24aba9ff05992dd7ac6576abd9d8a2176eb6093965b15fc8. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/TCACQ1626632.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22824cab07c765ede6b0f415a8b6df8c3af773403709a7a3c1299d8006be8f99. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/TCACQ1626634.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd31dfcf2924aa55643904c07e14203ae293a58485d4d351495977ac6f4c24b0b. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/TCACQ1626659.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d5c580fa711b5c91d3b1dd54641d26a96745624c8277d9462d8fca98ff6ac42. 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/TCACQ1626663.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4f059b6ce4ee50a2521d7cb1f2af2530ba2b97b04b9da43636362277985f0c7. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/TCACQ1626666.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7ec40138f282a1a202f744111ee53a503d7da1a0891619c3d31eb844f3946a8. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/TCACQ1626667.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7035416a99eece9805ce4b5a5ef91b8a379483e94abef4c5ff88d1e7830fdda7. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/TCABZ1499145.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x185322bd75421a36642fd0d59cf081e5fe7c401c4a9bc9ab49fe6421602e2f95. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/TCABZ1499146.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbea03a2824c5281f0e5b8bd65638bea95b1147e65181cdccb4ef15898e1aba9f. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/TCABZ1499147.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x624770cde744405ddafc64a02c8027444055069ce807d01d38bc54fba2d39c77. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/TCABZ1499151.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7656f8617e3b8c0236b26cbe18958987e5758ab4cdd531257608dd62aeef60a8. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/TCABZ1499156.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4f6af78d7f2f527276e9ca4b36547519f762e4742e8be8a1fcf1f734bd0327d. 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/TCACW1781489.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c8bc9748f6bbb4ba999dc3b97aee741fa9e3f5293baeee5c9b13b94a45e6fe1. 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/TCACQ1626631.