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 0x82efc23d795746d2256be4ad5e3f01e74f1345fa5d88b2ce0ce20b9888d6ca45. 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/e7b0f993-ca4e-415a-aede-a476b8c55ca1.json and https://artists.proofprofile.net/proofs/artist/e7b0f993-ca4e-415a-aede-a476b8c55ca1.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 0x35cf4cb2c04c8bee5e9ab083312ce1a4e40eb2c9bff51ee7b26e61c0da39274c. 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/VNA0F1781538.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21462abba816be11f55f6989d290a38c2c8a337403d598be5e2298ae8a20c68c. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/VNA0F1781549.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc905eca7da8e9bd63a7b892696118b5d03ae8e4e342bdd94d2fe35130d79fb80. 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/QM48F2104101.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25c1c42caa7826e90abef17205e3fd3a57ad3fe4199706a00e5d2963ca38bd97. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/QM48F2104103.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2af109c11f2a7ec4f651e3e437b3925b5f13e7da9756b6492cc3cdf64ff4cb1c. 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/QM48F2104109.
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 0xe622b6feb4317b18e366eb07e7e0704b4a9e67d41ba31c4d61a0fd692b9c7aca. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/QM48F2000901.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x243dc98a801be3f9b2b324ec2939d8b2151e2e56bd0aee4c93213b7c0ff87145. 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/QM48F2000902.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0fe5b8750d17d518628174bc97d6315ccabb9378a47beea462552217d9a12a9b. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/QM48F2000904.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xceebdd8a2dcf3befbc3816eb7b5bcb204cdef4b74b7fffd2f143273a99f37090. 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/QM48F2000905.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37853eb35fb1938f33e6263aa0b59104edcda5f05c1ffa43c49d86f469e316a6. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/QM48F2000906.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd90c47a2226e39d9ce6b1962b50d48918a1c7aa58c2280965ae8eea40ef25d6b. Chain 2 (Bitcoin): anchored in block 960258 (2026-07-30T12:45:34Z), 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/QM48F2000903.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68b4a43724e26187d0ed5bb7f0ccc4590c250ea3dc92de670bb24f9f77e09426. 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/QM48F2000907.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2942f3aecd4f650186338e5d27305278f22c2c889f611061a37ffe52588b4f3. Chain 2 (Bitcoin): anchored in block 960160 (2026-07-29T22:48:59Z), 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/QM48F2000908.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08e23f52f6d0d3be94d5ff128689d1d7ebec6099cf7fb77580fb0dd0200f76c6. 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/VNA0M1813820.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4e873a32abdfb543c89a93fdca8fa99338b294248a9b16e6622053805b59bb1. 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/VNA0M1813819.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b5c0b2e52e8512a962167a217a256d3195d2064d18b3b3d08169af9185c87b3. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/VNA0F1735710.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3710b363980521f30c773264d559365f47e1dbec0216eebd5f52a2733fc033f0. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/VNA0F1735711.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e5e0330fb3d0e6aa063a126fca09c818374b34aca064193e6bb0f9752afd6ba. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/VNA0F1735712.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f0a6f1565f815109b5c81f3c3c3529c75d78264107fd0b456b4975708f691f8. 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/VNA0F1735707.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14b906c6176e4f3d15153ce5df899e870c083af0b5e4fc0ca43919b34cd1635e. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/VNA0F1735715.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e133aeccb032ee4322ee379ef0b975f14a9e7a118fe4f1e0631cd1bcebf1966. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/QM48F0433202.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9649f0c00faf7021537874708549b0608c0b27fc05c6fd99c53f73463b65c8a4. 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/QM4TW2091566.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ebc3c48daa1bd2ebd2b9f22c42860c071b7551b5d5b8481cb5cd4c3869ff475. 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/QM4TW2091567.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c954eadfa1961c31b111e407a6a411c6f40d4165690e94693e34cb1adf18997. 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/QM4TW2091568.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e270567ffe1464a266f78f066980c26399ecd99c7b14deb291581e803decdc8. 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/QM4TW2091570.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07953c9b436539a86984b5b7175d75b610e969da797401a8eda448264b5ce181. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/QM4TW2091571.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b678a3a29d4f64ec3d6f736ee41d7274a31b72235c19a207082ab03bd64c2a1. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/QM4TW2091572.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdefd4cad390e0e635af9c8ed0a9968ec5a322735f8285d6cdf872ad2a6c0e0fd. Chain 2 (Bitcoin): anchored in block 960236 (2026-07-30T09:37:10Z), 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/QM4TW2091565.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04481699e70280a9d49dd191736b45e8a9c148b1815921b2a2f70bb2c4ebbc55. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), 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/QM4TW2091569.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb022f45d83e38f1074bd198d6492ba95a70b6c983832f93c2d42bb05bb9220e1. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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/QM4TW2091575.
Giữ đời cho nhau (Thơ Du Tử Lê Phổ Nhạc)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e05dd9ab76df2bf59d1aee083b39d817e065f2e5389c76b818e45f4495cf26c. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/VNA0F1735540.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1bc8fb6f9b4839840dee69e7a758c1a0d055596bce7d6daf8b49b64180bd6b4f. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/VNA0F1766943.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa176361ee4d5d1354ff7a4a46ed66445924f30d3619a0d58bec581e642d21b09. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/USJ3V1116507.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1781f3e231174c1bd8739a7f39f463228e29b9519dec34bb560bccb7d9625680. Chain 2 (Bitcoin): anchored in block 959134 (2026-07-22T13:34:27Z), 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/QM4TW2085375.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x397812ea307fe9171ffa0597d66769ac50425f9d4601b02de8226f7ad68d1b28. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/QM4TW2085376.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe11c4838c9a748fa6187d704156c224c771d52d1a1faa15984f8e642e69f3e53. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/QM4TW2085382.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42ae55e5a82810375ef870650469d7b97e865ac4f46b61cae53f396830df0ad9. 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/QM4TW2085378.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x427788c40b22fbf7ba7974d415f54d36ecea0eca20a627edf9013bfa99cdf5e8. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/VNA0F1735876.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78d16f0d81c03689dbd6be234ad5e298dcadb1e36ca582a248ff091243cedfdd. 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/VNA0F1735878.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb85cdcac03f26fff8bcffc5a04594197ec32472809b2e4a6d72cf2661d41939e. 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/VNA0F1735882.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xffac7d892fda9e02a721e0b9c4a0f9c4efef1b7d255fe605630abb5cfe7b9461. Chain 2 (Bitcoin): anchored in block 960198 (2026-07-30T02:21:55Z), 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/VNA0F1735874.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x100cee33b10e84c9040f0e11cab9bbe368961bd461e489b525d66ad985899528. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/VNA0F1735875.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54b82388af531c0e664d6a6e38ccf75b1ca28390c097d9f87e9e4ab4b7e863d2. Chain 2 (Bitcoin): anchored in block 960403 (2026-07-31T13:04:34Z), 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/VNA0F1735877.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1dfedc4f8592d82ecc5aadef8d63fb64b70e0e8d8eedd7f1f32ca81c2fbb7dd3. Chain 2 (Bitcoin): anchored in block 960330 (2026-07-31T00:58:21Z), 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/VNA0F1735880.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd035705652ce66a5cb7b8ffe81fecc28a4d15b9af68325c5b87ed0704fd1db16. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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/VNA0F1735881.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x403dc794c7a116dbaf85ce7411b18aecbc182da79910b7ffb38178b9a86c81c6. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/VNA0F1735883.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10b31d5b26cffc15d8858e85cb702d9ec36b2698f255ce2cfcb7616bb5368778. 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/QM4TW2077512.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ffd7abf91f0f198218d996e5afba49c19012c22d11e0940dab573bad06d754a. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/QM4TW2077513.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdbd1c0c6c5e1de0a28cdf176c08c9d46a4376fe9702a7f854064d0354dd9a735. Chain 2 (Bitcoin): anchored in block 960153 (2026-07-29T21:57:12Z), 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/QM4TW2077509.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0b8851a61c82dcecc2ff2e79db71c5c3ec771b7c67de88acdb2f26db192e89f. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/VNA0F1776811.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d18666a3d81fe663162f73bf6a03fba8e7b27f2fa1aeeddcbe7305438fdc628. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/VNA0F1736405.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc782830abf8fdc81f7704084e8bfd77c10ead699f511b010c73b38851c63c51d. 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/VNA0F1736406.
Ý Lan - Thanh Hà - Hoàng Nam - Thương nhau ngày mưa
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x286a514f36b8383d5b6e29a4335ab73eb5536d287160f37ddbef3d9b2cf037de. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/VNA0F1735804.
Quê hương là người đó (30 Năm Thơ Nhạc Du Tử Lê)
Hà Nội ngày tháng cũ (Tình ca song Ngọc)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6dd0af6526a0a671e10e5ffd2df30b803e64142737331d0bafca62d24d04a5b4. 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/VNA0F1735636.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xccf9efcca4d5ddfcf7a55f1a9dc5dfeca99cfce3f094a2995366d45d6c366915. 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/VNA0F1735637.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x749ad81a95d5e373314fdfcee89d49bf0cf5dc4eea6e2917098532fb51710fd9. 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/VNA0F1735214.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8f1d5bee83ca36d7c5df74ccb13008e7f1bee4564f283a48ed37d5fb91dc28b. 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/VNA0F1735215.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c96a5a0c5c2fbd109eabc4131a02399eec814105901b048cc40518064289361. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/VNA0F1735216.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdcbb938e66a136010dfdef8c177237421ea2a5d31ad7c59a5491f4f8c3cc2b1d. 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/VNA0F1735217.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x533f66077102d40c8526914097df95283d275afeaacf46df5d034d819fc0be4b. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/VNA0F1735221.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68b3893a24728f82210ac6cffc0d57295fe291bf0686f38c648669032c5cb4b7. 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/VNA0F1735223.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b80103126869eb68478a3b7a033669a01063cf31d552946b22c9e3d15211e15. 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/VNA0F1735218.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4861cded169545e8cf4815e769539528d67d7cdc98bfab2decbfbb917af9ac4d. 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/VNA0F1735220.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d0b75ab8e3eb7302530587c6e2b31cf518ef8a062f4084e05652525eb64f554. Chain 2 (Bitcoin): anchored in block 960513 (2026-08-01T04:52:22Z), 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/VNA0F1735222.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d73fb45a1171e744d5db092da35c0d26a2e7740d934afdd89a360469834190e. 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/VNA0F1735119.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x66135cf3341864a461685c48c2f4675db4bdce59cb2c38fb7b2ad061c88b4150. Chain 2 (Bitcoin): anchored in block 960240 (2026-07-30T09:57:33Z), 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/VNA0F1735118.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd75a8adf5362e81e8335a84082d44178feabfe92611f82337cc7491050a5d6ff. 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/USJ3V1107135.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8903df02bbb377dfdbfc03f814e8d3bc30f9f3d9c930bae7eb23926ef76cd505. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/USJ3V1086404.
Lan - Diễm Xưa Đặc Biệt - Ý Lan - Ngọc Lan - Thanh Lan
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22074cabc9b87119bba9c92a784730289b3e4c1898d519bfddd96a320934e738. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/VNA0F1735144.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd0a4e283c322fc4e33ef2f13b84efca105c6e70af30b4857f322483ac9be5a7. Chain 2 (Bitcoin): anchored in block 960106 (2026-07-29T12:41:21Z), 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/VNA0F1735145.
Theo Anh Bước Xuống Cơn Đau - Ý Lan Tuyệt Phẩm
Ý Lan - Xin một ngày mai có nhau (Tình khúc Đức Huy)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b1492b828bbe5936b8b50f398d21e07d328c42fed6ff62271f55520cb6f1b81. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/VNA0F1735208.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ceaf7412346d119e047aa3a45ee28c7db6c72ccdc787295019ce744c251a63c. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/VNA0F1735205.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe97a8f69ecd065c1ef5db1391b0a627dae6415d7aabe5c7c4f9af79890002309. 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/QZGCD1807619.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x361f972c597cda5f76de58fd4295b9a6fd57f98aeb361ca7f77ef2902fe3045a. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/QM48F1758404.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c4d3ddc10045a1a2053bf8063e7717ae3f287dce41fe58e9b1242896821693c. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/QM48F1859804.