Supreme may refer to: Entertainment Supreme (character), a comic book superhero created by Rob Liefeld Supreme (film), a 2016 Telugu film Supreme (producer), hip-hop record producer "Supreme" (so
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 0x2f686476c8f0d6d750fcb39ad3c1c941c94182f547cc3fd375c5d0874c054fb8. 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/eb168d2c-34b1-48b0-a36f-8291519f3dd8.json and https://artists.proofprofile.net/proofs/artist/eb168d2c-34b1-48b0-a36f-8291519f3dd8.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 0x8e6d320d819bf6ca41ae2dd45df32ef81fbb2c60cd9da29bf08bc63875756bac. Chain 2 (Bitcoin): anchored in block 958420 (2026-07-17T13:33:01Z), 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/GRSTY2500556.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30e410e4739e39bf9d620983adfcc27e6f9b92904728f959d17762019a5dca52. Chain 2 (Bitcoin): anchored in block 958176 (2026-07-15T17:14:36Z), 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/GRSTY2500555.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e6d320d819bf6ca41ae2dd45df32ef81fbb2c60cd9da29bf08bc63875756bac. Chain 2 (Bitcoin): anchored in block 958176 (2026-07-15T17:14:36Z), 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/GRSTY2500556.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x192b7a59078f94b42ac8be85075cd5341b6402c44036ba24af97d9080e885f19. Chain 2 (Bitcoin): anchored in block 958276 (2026-07-16T10:20:17Z), 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/GRSTY2500557.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x84e0290368ef39b0138d402ad9e4e06ae48eb02a6d796d21b26d51b436530638. 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/GRSTY2500558.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50dfdd19f926d10667bc818ea95f4571de3d6adcb9ae9910d9716b30f39b1bbb. Chain 2 (Bitcoin): anchored in block 958286 (2026-07-16T12:43:37Z), 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/GRSTY2500559.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x952c15d055ba86f0c14327b3bd5854057aa44c875c056d3f1a944022c3561404. Chain 2 (Bitcoin): anchored in block 958455 (2026-07-17T21:28:36Z), 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/GRSTY2500560.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf1bdce9d5ec6caf62176341958f93ef981c54e683fb6d5901dc4333a27adc22. 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/GRSTY2500561.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x540962f268c69d3fe6e173d5d904cbfcbbb16589e88022319127c6d5cc1a5c51. 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/GRSTY2500562.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0414eed61e64abfd953f06443f44a607323710c497ef296fa1befb0bd3cf88f3. 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/GRSTY2500563.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5cb8dcf148a82e5958cb6f4371e6915dfc576e954b0215086e8e83d0baa74b03. Chain 2 (Bitcoin): anchored in block 958319 (2026-07-16T20:12:32Z), 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/GRSTY2500564.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x821874fcf1fafd4789f0c5fc81a92f88eec04f30275ef9233a178a8a2684e6b3. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/GRSTY2500565.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb6dc7948fca21958c1769ea3f80fce73b5051aa2a3ecc5f8d7fbaab34aef11d. 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/GRSTY2500566.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf69bb2d9a407afa71ca9dd774db8c92689b37f32be8c754b50e194fa99a41ce. Chain 2 (Bitcoin): anchored in block 957785 (2026-07-13T01:55:31Z), 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/GRSTY2501611.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51192a9cbbf1ac779f2b3d1acb2819dc990573d272570d276aefbc9f1d51b6ad. 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/GRSTY2501612.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x602a003f856e6ce45f2f3511c6a5be274743ada28707f220bc7347be285ff0af. Chain 2 (Bitcoin): anchored in block 958194 (2026-07-15T20:32:27Z), 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/GRSTY2501613.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6bbbf75d74aaa49ddf58c2100f9f2783b20e74e9c5d29a74c002241918747728. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), 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/GRSTY2501614.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4c90394dcca964030162a6cbc9950ce2924eb1363b7fb225609c89d41562153. Chain 2 (Bitcoin): anchored in block 958383 (2026-07-17T08:20:01Z), 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/GRSTY2501615.