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 0xcef9a220a428036f9afcaaee9a69ef261d9739c815989b949e460a4b387080dc. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b5c77aac-8f14-4a46-a3f9-b1a71bcd2676.json and https://artists.proofprofile.net/proofs/artist/b5c77aac-8f14-4a46-a3f9-b1a71bcd2676.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Thời Gian Sẽ Chữa Lành Tất Cả (Ft. PiaLinh) [R&B Session]
Thời Gian Sẽ Chữa Lành Tất Cả (Ft. PiaLinh) - R&B Session
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 0xbf4a806af8a4ae4d96cd95ee5bff64935955a60a66105d874406f7a3ac08f7e6. Chain 2 (Bitcoin): anchored in block 958783 (2026-07-19T23:52:27Z), 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/FRX452469185.
Thời Gian Sẽ Chữa Lành Tất Cả (Piano Version)
Thời Gian Sẽ Chữa Lành Tất Cả - Piano Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7289550ea6f253cf9acf8d0aef9ac992dfc77813abc886f631d3a6fbf27688e. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), 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/FRX872457826.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc7efaa930da088270cb309aef67e0e9cfe1731f3f8b21594ab22926be54a050. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T19:00:46Z), 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/VNA0M1937686.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9625bfc7ffab8e75c745ce99d7e11ecbb684d47db8144c34f17fa34e34721362. Chain 2 (Bitcoin): anchored in block 957573 (2026-07-11T13:43:13Z), 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/VNA0M1939779.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc170305ef30dfeb0a0d8efee2b6fa6364343fd3f08baa7dc429d2544ea0d0ca9. 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/VNA0M1940028.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c74619eed1669dbc54faa73f96c610e6f810a9e7ac4162ef38b6e90a4c4178f. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/VNA0M1940848.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7a1efdf12ec822f59b0cb241e09d9e9c8de14da67bd184dcec0299360ab56e6. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/VNA1M2284589.