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 0x90d9c7ddaa7c520dc81547118d443e07fbc212526f9ccb7b12ab117536b82226. Chain 2 (Bitcoin): anchored in block 953626 (2026-06-14T11:41:45Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/24130eee-ffe9-45fe-85fa-d3d6507523a7.json and https://artists.proofprofile.net/proofs/artist/24130eee-ffe9-45fe-85fa-d3d6507523a7.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 0x9a5753932289b52c3909d021e1b85d54f09a9504e6803a19583c1c6cddd97061. Chain 2 (Bitcoin): anchored in block 958742 (2026-07-19T16:36:24Z), 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/QZTAZ2279605.
THE BRUTHAMAN SESSIONS VOL 1: REFLECTIONS
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3663974e8c1d8bcb2ab74b8a849a0497db797e59d93fa9c110ddf85c96cd044. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/QZNMU2207175.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb3f59752da93366024328761149cf84c4a47084612118e27c2d7e26e4781b8f. 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/QZNMU2207183.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2e9e355852c93ec9da20dfd5b485dde4cd601d920b6e85a033eea53b250f079. 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/QZNMU2207184.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa59a90f0340f5422144dbcd1326c4eb283a8c91fdeaf4996df64f5993392cab0. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/QZK6K2360164.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x863b7b4945f563a18801d295eb3fe3dc2801edf8528486f2b39308fd570ca455. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/QZK6M2263207.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24f38b468975d859fcb951aa39093adb0862c8b567cf99b6616e3e8489e96db2. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/TCAEB1939775.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd84998fab5bb30a57196c36be6730900c37c862c7faf50790d2a3eaed8a33f2. Chain 2 (Bitcoin): anchored in block 957056 (2026-07-07T15:15:30Z), 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/TCAEB1939861.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7bd236bde579c55493872640763355789ede253ccca1f1ceafb9f220b7dd4872. Chain 2 (Bitcoin): anchored in block 957052 (2026-07-07T14:50:41Z), 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/TCAEB1945980.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4aaf56a6a3853a7e8c89fe09888198cf8a55144b12824942086169b36af976ea. 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/QZNMU2073428.
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 0x9581bf2dd53e393b78cf9028909efb6062a372c9dff47eab8656de5a9e48de48. Chain 2 (Bitcoin): anchored in block 960099 (2026-07-29T11:30:20Z), 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/QZNMZ2222719.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec51d726a3668b4078fb74cdcdbd3d251c3a34daa720e4d48c146e61075cb8c8. Chain 2 (Bitcoin): anchored in block 960210 (2026-07-30T05:21:45Z), 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/QZFZ52184077.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8cedb57b03354953163de92547548eab42613a55d6971d7063f6c2c8621dd954. Chain 2 (Bitcoin): anchored in block 960254 (2026-07-30T12:06:10Z), 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/QZFZ52184078.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b236f4caac45fe563718d02b2f22c4c6dcc25afcb2eb309aeab6bd1129df7db. Chain 2 (Bitcoin): anchored in block 960207 (2026-07-30T04:47:22Z), 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/QZFZ52184079.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd54a89d0e4e5ade403aca4c97663ba03822e79af4f8bea4b5df14c1d5f4231de. 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/QZNMU2207176.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4be113a03f8440ed9e174cae1f412bf1b1a3c60ff63bba8cdb3568da8fb11266. Chain 2 (Bitcoin): anchored in block 960150 (2026-07-29T21:51:49Z), 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/QZNMU2207177.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc56233eb09a28f893bab1645a3e12a585b666caa3ef2ab2b572b57debc9f03ed. Chain 2 (Bitcoin): anchored in block 960117 (2026-07-29T14:28:24Z), 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/TCAEB1939732.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1040c5b35c59bc1b0e5ab8be8340cd27a5f6a9aebe0f65ab78475c80e53b183b. Chain 2 (Bitcoin): anchored in block 960229 (2026-07-30T08:30:10Z), 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/TCAEB1939784.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d92cd809ebfeaffca181fbb8fc2c767e2fff52511fa370e06beb96fbd9e85db. Chain 2 (Bitcoin): anchored in block 960209 (2026-07-30T05:15:54Z), 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/TCAEB1939805.