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 0x12a7cdfaa7eef53eb6ac7b5982f1241e66db09b00276dc11abf7c42b1f02cf62. Chain 2 (Bitcoin): anchored in block 953620 (2026-06-14T09:36:10Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1ee5f98a-e7f8-430a-bd03-e7abe127df8d.json and https://artists.proofprofile.net/proofs/artist/1ee5f98a-e7f8-430a-bd03-e7abe127df8d.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 0x0c8924be50c3c8c873f0740c47942d966bc22a471205c6addbafbe65f4eeb808. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/ING212328067.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x417ea8fd91e40b5a1e9a96de7715c240670f07b58a5ccbcff3cf25cd64c09211. Chain 2 (Bitcoin): anchored in block 958724 (2026-07-19T11:19:01Z), 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/INS7A2638291.
Har Kisi Ke Dil Me Ek Ladke Ka Khyaal Rehta Hai
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6cebd29a4b1bc762460f7ff068325907286c00c514e5c91943bb1975fcce3815. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/INT982426970.
Dekh Liha Aehi Samshan Me Jarte Hi Milab
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3eaaa299fa8e104f6dbc953b37889ef3b7ef6af1e1ddb0365aebbdef965ab98. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/INN242431330.
Ka Chij Marda Chhupave Aurat Dekhave Saream
Dui Anguri Ke Kawan Chij Rahe Hardam Gil
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92e8d31a1220e67fda9db69e908684693d25d4fa2beb53b16df598212ee417b0. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/USA2P2518880.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07ee3b339576d30f125a725b423a189c652420f1f1947147721632f11f039242. 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/USA2P2519324.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c10d78d211c6272df7aef6ed5851924fb9c09fa5ccbe912016a132632063d9a. Chain 2 (Bitcoin): anchored in block 956576 (2026-07-04T02:06:47Z), 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/USA2P2519490.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf090a74a1216244074a021305f69cce6c65251b1de4a3d8a6599c1e06a1da0b8. 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/INC622253933.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb904f1ade79398c7156a7d1fbc287f0fb18eaa1d4fb932efe2eb9d417f341141. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/INM402501675.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc4c98bf6a6c5b09297839da253423f7fad9d9b03c010a4da5c5a050f2f3ce4a. Chain 2 (Bitcoin): anchored in block 958650 (2026-07-19T03:36:41Z), 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/DGA052549977.