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 0x5242e9d032b4d678c3a10771f550617f193e7cb70c6b39fe3695a290f0a6bfa4. Chain 2 (Bitcoin): anchored in block 953588 (2026-06-14T04:52:46Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/017d2a38-8f14-45a1-b88a-9d23069f3e6e.json and https://artists.proofprofile.net/proofs/artist/017d2a38-8f14-45a1-b88a-9d23069f3e6e.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 0x2c732c96ee60077b4e66aba652101098aa86a74bec6d698ee0a4cef107e6a3ae. 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/TCAHT2440972.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x964d9084b733645b11f9a5b725c231c0bb70ecbff1812918720bf3ce31e2e04d. Chain 2 (Bitcoin): anchored in block 959128 (2026-07-22T12:33:25Z), 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/QZDA62477811.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b2ac09c6560f6012457bdf027f46243ffab12f5cc8c574d7bb946fba609ecbd. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/QZDA62477812.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad61eb1735b96f33ed226a72cac2317267f72504b83cc114203371a9c125635b. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/QZDA62477813.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3eb8d154ffb0e1dd2313ac0feed56d23c9943e1ca814c29bad2c69a1df30488a. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/QZDA62477814.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x825e8c984add637fd37c317d25a9d5f3c5beb824d14bafa2b58bf1e1dfd20ec5. Chain 2 (Bitcoin): anchored in block 960360 (2026-07-31T06:42:11Z), 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/QZDA62477815.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37de2fb4ca025d5646005650f9f2094d8bba388c46c09bc609334fd9d60cb403. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/QZDA62477817.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbcfcc8722ddb0d42ebcbe41aef6fd9f5d4803f348c25f0cd76fa30f65b280f7e. 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/QZDA62477818.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb9018e9a263003c2a23e8bc839ae60fe042c16c10c1f84da7d71d4468dcadb32. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/QZDA62477819.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c1538cd6bd62cf17495fc8f0c6564804f035223dc9419e161df157c529e09a0. Chain 2 (Bitcoin): anchored in block 960337 (2026-07-31T02:51:48Z), 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/QZDA62477820.
Schumy Vanna Kaviyangal Bodcast Season 8 Title track
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f024607b459e3435aa38f82edb71958058202395a121300aaa8130a9a8a34c4. 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/DGA062477885.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58932359afbde9778eaa932a28d3d799b07693832e6a888e89e8349919fbebd9. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), 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/QZWFS2327738.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb617c78d69c87762a329d0664ed16ffe0e423de1c8a52ba7d7ac1169ef1ddbf. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), 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/QZWFS2327739.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e58e1a6ca06fe41b96d547f13a284e91b3db8f0ad20f51581d6fd2c9023d7d6. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/QZES52382707.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32bc2a31aae190efcc3664c2570fc7583fc9e8907500430ce44ea14fd1a956a0. Chain 2 (Bitcoin): anchored in block 960422 (2026-07-31T15:27:29Z), 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/QZTB72254833.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x105019663de5a1c6feedf4cef61ca97e8ef021ebf9bb681cc6961d3c20876df7. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), 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/QZTAU2285664.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb635f585ac97dd15dcdf70e3ba226cbb0f8e663e3449d959b1f3c721d02e274. 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/QZHNA2132604.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb189da2a30cefd162cb9dc44be0a718e7aa3668389d0d8ac91295d5f571e14e5. 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/QZK6M2151496.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb9aa1dd88e150ee8f0bdaef229d390d79adf0c45fa3889b5cd0d107de44a50a0. 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/QZHN72195455.