Bùi Thị Phương Thanh (born 27 April 1973), is a Vietnamese contemporary singer.Dale C. Olsen Popular Music of Vietnam Routledge 2008 "Phương Thanh" p.52-57, 86, 140. She is one of the most renowned si
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 0xc7e8cd9ef81c390e654b0a6d5824f264f0559e8e6422016533bbcb0813b46d83. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/92e5c351-1947-4e78-8290-aed6dbcdd513.json and https://artists.proofprofile.net/proofs/artist/92e5c351-1947-4e78-8290-aed6dbcdd513.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Ca Nhạc Kịch Cải Lương: Chuyện Tình Lan Và Điệp
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 0x23a825dfff7b7a9c40972479841f0a737bfe8099ba649cd2d2ddc94f9f0d77bc. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), 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/VNA0F1724502.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92e0900c34f29ee068050df92a4c7b3b0c1ec58cfe8fdd40930c15f36a29ee50. Chain 2 (Bitcoin): anchored in block 957888 (2026-07-13T17:43:59Z), 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/VNA0M1803897.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3692c9b23e9325a4c99219daad8e04c3ef43f2d7ab0fb3e88c340c1aa2c05b3. Chain 2 (Bitcoin): anchored in block 958686 (2026-07-19T06:43:29Z), 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/VNA0M1803900.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e8cfa9974155ba7270e964d116d24a0790db5035ab8437a109a38a6d4104dee. 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/VNA0M1815064.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e8cfa9974155ba7270e964d116d24a0790db5035ab8437a109a38a6d4104dee. 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/VNA0M1815064.
Tự Thân Nàng Cứu Độ Nàng (Độ Ta Không Độ Nàng)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2004376b08d134c93c2e8cb58dd9ee43d9f57ae6c8f78154b753eca12689775a. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/VNR011053758.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb89450daad736ec3404a2217761be62a2778277676c6354e09592e7bab5130de. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T17:49:48Z), 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/VNR011053771.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x304a02b5bb4c6443d00cf2fc760fffe258e3722272d024693ec2cbda202e321a. Chain 2 (Bitcoin): anchored in block 958571 (2026-07-18T15:39:25Z), 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/VNR011053806.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x138cbad03e2d84ae2684088898abef18daddb8e4f0e1f0374dd31d613442c364. Chain 2 (Bitcoin): anchored in block 957891 (2026-07-13T18:21:04Z), 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/FR96X2260802.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5c6bb686eaa1cd5e07656819c194bf563ead30971d935d2fc1bf36fb898af2a. Chain 2 (Bitcoin): anchored in block 958369 (2026-07-17T05:20:29Z), 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/VNA2B2200806.
Giã Từ Dĩ Vãng (Thanh Sói Original Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93167ef0162800fce698840db769327137641fcc88c75b9832195f120f1a7af8. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/DGA082334490.
Kẻ Cắp Giấc Mơ (Nhạc Phim Đánh Cắp Giấc Mơ)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6fddf20980ff3e00e8ac5bf82ea2ba6870a7071837eb669219b250dd0050ca2f. Chain 2 (Bitcoin): anchored in block 958104 (2026-07-15T05:34:05Z), 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/VNA2B2501105.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd545a736b8425fcbd7e881fe17939cc1f7ea0d4f4a75f08c933f90c323d5910e. Chain 2 (Bitcoin): anchored in block 959123 (2026-07-22T11:35:32Z), 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/VNA2B2501106.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42476f7f93a8b3a76f28d803de1bce916c5d5554d98dfea39887ffb5e150138f. Chain 2 (Bitcoin): anchored in block 958838 (2026-07-20T07:01:21Z), 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/VNA2B2501108.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6d81b9647e8ae12868e096a537d573530a55911699e9abdf56fb1878e527e96. Chain 2 (Bitcoin): anchored in block 958812 (2026-07-20T03:24:09Z), 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/VNA2B2501112.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45e42e5c31cf41c44826d16fb6ad185ca093bc84b35e304f51838049d91c376b. 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/VNA2B2501113.
Mashup: Có Quên Được Đâu - Đông Phai Mờ Dáng Ai
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15029e1c7bb5466a15a2b52d9c065660ea75df1b6635c544fc834dcd35674fee. Chain 2 (Bitcoin): anchored in block 958286 (2026-07-16T12:43:37Z), 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/VNA2B2501114.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04bb000d4a48649d0d91e987af44e1aefc37acc8dc91f8f452c9c11a8d1e8838. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T13:14:32Z), 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/VNA2B2501210.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe97d658b12c969434d023e78a730433e4db965c597f08bec1de3aaa541df8901. Chain 2 (Bitcoin): anchored in block 958110 (2026-07-15T06:57:12Z), 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/VNA2B2501211.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30161f4ccbce2a19ef3f29bedb782396feb7d6d87eccdadcfb288a802a49caa0. Chain 2 (Bitcoin): anchored in block 958176 (2026-07-15T17:14:36Z), 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/VNA2B2501212.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa015e757586ebb908f1c9f79cff5adb4197f8d68244d0d593f49e4397332aaac. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), 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/VNA2B2501215.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4adfae6150d48ae4119768b89f7571abcf28cf74d0b84c85b9a2b07c662c575. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T13:14:32Z), 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/VNA2B2501216.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20df35afbda2189bed8cf2cb48cb5bfa60c72c4f4f343fc7d48a47b368d9394d. 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/VNA2B2501217.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7bb0e911e96c9667d7c82346c7c2dd39ed18ea632b5d30d95e7f748d920905d4. Chain 2 (Bitcoin): anchored in block 958432 (2026-07-17T15:43:17Z), 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/VNA2B2501218.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0886c9d6c19cb9b06fb1093e127aeb7279ab3fe2a3dce4ce8404d8cd0c6824cc. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/VNA2B2501219.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbad4f9472df11052ebb658b50adc119a483c8736c6f6c69268fd20389545aa29. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), 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/VNA2B2501220.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x324d481b9121a7caf8df70a80be0f26cceed667bf22caaa4d6ab7036acd38d7d. Chain 2 (Bitcoin): anchored in block 958476 (2026-07-18T01:26:56Z), 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/VNA2B2501221.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5b25eb412aac40086cf2be92c114d75b6fdc4434a9b546df8c9b361dcfa38af. Chain 2 (Bitcoin): anchored in block 958436 (2026-07-17T16:42:22Z), 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/VNA2B2501222.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x12fe665499741100e456a116467fbe8f38c9359ade52acb752cab0c7151f0777. Chain 2 (Bitcoin): anchored in block 957780 (2026-07-13T00:36:44Z), 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/VNA2B2501225.