Russian Circles is an American instrumental post-metal band based in Chicago, Illinois. The band was originally formed by childhood friends Mike Sullivan and Dave Turncrantz after their previous music
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 0xf5b3c75f47ad7512163053d51570103e309cb1bfa4da4ccbfeb70fb05227a9be. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/89ff59a8-9f54-444a-915e-dd74a0475c43.json and https://artists.proofprofile.net/proofs/artist/89ff59a8-9f54-444a-915e-dd74a0475c43.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 0x29d949a18b75510412c5d2f100b65f901c665747d5a931b8f01a356efe5cd9b2. Chain 2 (Bitcoin): anchored in block 958075 (2026-07-14T22:55:31Z), 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/US2M60610076.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc11f083f92440c77cc064924831455abe1f80d5f023699c6c5f4751a4d81985b. Chain 2 (Bitcoin): anchored in block 956440 (2026-07-03T04:03:57Z), 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/US33X0908206.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21b3452397bf0041eb09101d214d219f89ba79a1d54c7a1509d48599a0d91c3f. Chain 2 (Bitcoin): anchored in block 957774 (2026-07-12T23:51:20Z), 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/USA2P1186754.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64754a4ba323f75852b7879a4f0c7751ca45bf9d6132e7827257352dce2e0e65. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), 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/USA2P1186756.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31b28589f502369d7cf9bd25aee1bc4e11c58df8249e6068e547f5699b956d64. 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/USA2P1186755.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64754a4ba323f75852b7879a4f0c7751ca45bf9d6132e7827257352dce2e0e65. Chain 2 (Bitcoin): anchored in block 958377 (2026-07-17T06:48:00Z), 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/USA2P1186756.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4426ebc9b5873dd829af93a1ef1484f95bdd5f56cd30c7b8429b65470229afa9. Chain 2 (Bitcoin): anchored in block 958153 (2026-07-15T14:52:49Z), 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/USA2P1323174.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x29c0c3f23200002f6c0c6d0f0d1ed2f3ec57dcad5d7636f71f5a4f090556577f. Chain 2 (Bitcoin): anchored in block 958095 (2026-07-15T04:30:08Z), 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/USA2P1323179.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xabfd5272d9d47de538b0c2f2c6e40edd30cd1c71632be96f8f6545433adf8f36. Chain 2 (Bitcoin): anchored in block 958342 (2026-07-17T03:17:09Z), 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/USQY51727867.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8960f5d9d587ada57f35c2b02b87df5013cd673990b22979f879bfde0c322697. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/USQY51727875.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8fbc73896d52026f8b084e852284c474600c13cf8220c3cc2a90313724adb36. Chain 2 (Bitcoin): anchored in block 958554 (2026-07-18T13:17:01Z), 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/USQY51727874.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa122132bb81e5b2fdcfa202749a156cd24878a27f47c874f6edbd26aa8517e7b. Chain 2 (Bitcoin): anchored in block 958351 (2026-07-17T02:38:05Z), 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/USQY51727873.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc72e3924b34decf7ef02b32745f22f9e774fea1ec1ca1fa6a26dd31379a8ad6. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), 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/USQY51727872.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x956bffa16ac9942d33c8b82c0f96444ca329db3184bddf80861561a0e131d722. 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/USQY51727871.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb6e9c5877d4ab20f0129b5bd218057f1e37169b38612bf93a664c96e7cdff326. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/USQY51727870.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbbd09d3b9b15d7af1d913117b297301e4b05c01c5836c0b5d74de8f330f7763d. Chain 2 (Bitcoin): anchored in block 958716 (2026-07-19T10:15:55Z), 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/USQY51727869.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0dea81794cfed6ac86fc6529d7e24feb3f71eb09c8fb6ddb23f3114bb15ce2c3. Chain 2 (Bitcoin): anchored in block 958711 (2026-07-19T09:26:32Z), 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/USQY51727868.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x768674d0d1b54c3bd4bea44d793e8043a8fe4cdd1d6864f3a2b7cb86a6dc60c0. 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/USA2P1822426.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73c904d379e4832d7832998fffe48b37f5caeca9568aae52a3a871f9a8b7440d. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), 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/QM99V1913701.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb648760ec77022bcc197b558bd73f2c7e413ac36e32e9d01a67348d01718259. Chain 2 (Bitcoin): anchored in block 958951 (2026-07-21T03:48:56Z), 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/QM99V1913702.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97dbf7f2d4f1f273eff98b65d3f71b937f197635b58defca6410d0861d0e44b2. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/USA2P2135824.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x978d0ace9aae21c2a93d4a9ebfc1bde1897cff0327ac61ff689b34d91e2e9c94. Chain 2 (Bitcoin): anchored in block 958234 (2026-07-16T03:46:09Z), 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/USA2P2135828.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x479010ee719d1eb02fea58d706d662f2b26401f427362b7f709dfe45e02029fa. 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/USA2P2135825.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2aba0d1749312e9b66de3c4acdd406b57d32051cf2674045ef0ebdd226feee3c. 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/US33X0605021.