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 0xd1bf3a89aa201acb1c099b238c9e431f2e14a07275bb1af12ce6310a49a2badf. Chain 2 (Bitcoin): anchored in block 953932 (2026-06-16T11:10:43Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1eade7e0-2656-41b6-81c0-c6316f83a205.json and https://artists.proofprofile.net/proofs/artist/1eade7e0-2656-41b6-81c0-c6316f83a205.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Indrasen Satyawati Satvapariksha (Bharud)
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 0x312e5daf54ae2a450e5e48fd279aff7ee3e1ef2479ac57f272774fca57383fb8. Chain 2 (Bitcoin): anchored in block 960494 (2026-08-01T01:44:32Z), 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/INS180506437.
Alankapuri Punya Bhoomi Pavitra (Prarthana)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11fb78e85c96726a9c3ddcb1a1668dc57c51416732521a000f9874914eb5af3e. Chain 2 (Bitcoin): anchored in block 960468 (2026-07-31T21:25:57Z), 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/INS180506425.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x790e521cb02c84a192cae31e04879ef10ed42384b9187206c0a721d382ec4c75. Chain 2 (Bitcoin): anchored in block 960509 (2026-08-01T04:30:37Z), 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/INS180506434.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9c5df1d0105e3a58ee862a59482f2d2a9bec225574b944b0b5761176c489918. 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/INS180506430.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11427d6ccab873976cda26cd4263dc3072391bb8d960c9bc655a196b14f48131. 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/INS180506428.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39d495f50d3e83b51575fe66491f8e352f58cbeac62529890014606930d75f81. Chain 2 (Bitcoin): anchored in block 960473 (2026-07-31T22:27:44Z), 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/INS180506433.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x243a7a10d33cac8492a085cdecf0ae23cffd61a5c3de14efc9faf502d9e4cf1c. Chain 2 (Bitcoin): anchored in block 960494 (2026-08-01T01:44:32Z), 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/INS180506429.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0eb5a5ae36a588690113ad74d75d34cfc8fc49a07342a469f55a0f5145893eb. 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/INS180506431.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8ed1f041b220ad496a5d7d58e0ce3028dab29bbd1be604b6ca8e1d7a832c3da. 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/INS180463854.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8917828a8f64982c0c86cac8315243403ff4a47b8685ef50cee500eb9145bb3d. 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/INS180463855.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f0e7fc00749c859caeb5d4629b582fbbd6e3fc95c450b985a20a89aad18d146. Chain 2 (Bitcoin): anchored in block 959144 (2026-07-22T15:38:35Z), 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/INS180463860.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe952ed04f984f8512455dc6c18f8516e2742c3001a88040d08daeb41a496d688. Chain 2 (Bitcoin): anchored in block 960506 (2026-08-01T03:50:58Z), 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/INS180463862.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44b6a4b2a5c7aba8532fc10d4392934d4bbf195e25d4139e269f97d09d157a36. 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/INS180463863.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c68faaa071579f3ffe8b47a76aef25511f15191d7a879698c0d5bf0ca2f1735. 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/INS180375878.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f14448f7375b06d1a3f91bb330a1cd1f301edea7a8cac48b97d5cbacda4272d. 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/INV110101257.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5903b8ad09851a59c0b9cf69eb00f03ee04149925c049d4da057b5c35bbe86b9. 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/INV110101259.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb87853401bd4291f1b34c42d8c51c9ed5154bc0ce45d6215e5961a2c3113b2ca. 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/INV110101260.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7816a1189b8814418a8b1ae48ae67feb5284c3f6db7a8e73bb9ba8bb8b048fef. 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/INV110101262.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf53849906c77f4abbcd030eb4173bdabd3c869d5fefb6e1fd76d811a13ad017. 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/INV110101263.
Bhajanacha Jungi Samna - Dabalbaari, Vol. 1
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48655cad2e6c4fbc7016f3fbf60917258f9dbab9225acc01a4e051b4ffa03cb2. 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/INV110000057.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa300b1acc7c8a01267f499b6e2c346a96cee2f14e4a57e6b6be38396341f9b40. 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/INV110000058.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52ca58190c0110f5f632914c612dcd6322f6716c3dfd2a1a97d32dbf564c20fa. 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/INV110000064.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4039b0cdf1b7bc82d6fc2508dfac3b7aaf6352fe7b46ce809eaeb6eb15eca29. 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/INV110000067.