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 0x29e32f6e3636f1cb63a22291b1cc01429d4290e5b7323f4700e4a0e27d47f52d. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a60a4f0d-8893-45d0-9e3e-7b424303acf3.json and https://artists.proofprofile.net/proofs/artist/a60a4f0d-8893-45d0-9e3e-7b424303acf3.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 0x6fc1a900f367ce03760a2aac20eca14cc754bc9a27e9f42661e423f7bdea393b. 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/CNZ171500362.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5269823a9bb366532294dc3f725e6394bb35e153ee406bcf51cbb829a5c8cf58. 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/CNZ171500360.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d9a27e965d2d78983930986417913baa6fd6591d28e793e67ac1c311c12f1f7. 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/CNZ171500359.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcaeb848eb94ade8d243a8ae72eaa9d7920558ff248e724bccdebb7f111ca8a4f. 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/CNA232100153.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd23b96c627fc25864b0816a0c85f74d02158f9764c7ed08d5b58a9fe3d807447. 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/CNA232100158.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe63d376198c52c5a4ac8fa372aa46ad7f840d25c6749fad9f3de1f052a9b9b0. 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/CNA232100157.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd57c75982cd35046a85759da59cd09cd842e438cee2992abb641098cd8e80785. 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/CNA232100151.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75376cee910b83aeb6221a3c9c5bdea60c40375215f7e2be0af88871477e13e2. 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/CNA232100156.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0352d269a0e0ff498631bdfbc97c78b45c7309381f2d5e04fd60b1a03a8591c2. 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/CNA232100160.
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 0x28821d103ae003f1e673c008e686626f77dad8e722176c37de54fc5b987cba22. Chain 2 (Bitcoin): anchored in block 960111 (2026-07-29T13:21:01Z), 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/CNA232100159.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1dd9e56b25c66dc69026510b7b5319b43e4db0473d8e9e3230437f4d16abd034. Chain 2 (Bitcoin): anchored in block 960163 (2026-07-29T23:20:38Z), 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/CNA232100154.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3279d80a2e7371c684db4dae16622906ea5f7b957277c2764fc988e79d95e668. Chain 2 (Bitcoin): anchored in block 960503 (2026-08-01T03:41:24Z), 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/CNA232100152.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a7e06f741ef64f2e19da4fa47a815c66301251d5c73126dc1d65b21a6bf1d3f. 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/TWV671900063.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c74009a789fdc8ce3498b1edabf44c891d2d5b9f4cc5e56641ae713f96af976. 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/TWV671900064.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3e5c52bd6eea307db3a6d9c0eed6b866bb66bc3dd7ce469184a1c1f9d393b4b. 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/TWV671900065.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x360441074f068889b57e496906acbb042a764cfa55c36275a2ad141be3f6ac3d. 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/TWV671900067.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xada1cff12900ff52f8ca03416af090a740df0e37314f09055d793d598b02e6f1. 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/TWV671900069.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d060351cea16ffcbfd63d4b13f3734f304cd955a9b6a0b3d65ad0a5b9248127. 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/TWV671900072.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x443f353d0975908df16e3b5841f355498bd3876120bceb602f9c3cb1ced995f7. 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/TWV671900080.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbfcfed3e6f600f600484f388622e8b16d4f37b34fdca4c97e103b68c9092cf5b. Chain 2 (Bitcoin): anchored in block 960489 (2026-08-01T00:40:43Z), 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/TWV671900066.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ec295ba22befdcd14b9e5a440dd31205deb11b0fc70db26f22ff707ec825b0e. Chain 2 (Bitcoin): anchored in block 960121 (2026-07-29T15:22:21Z), 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/TWV671900068.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1476a6aed93b0ae61766c8b9d8c208c4bc1100ef4690dff321bb862dd01199bd. Chain 2 (Bitcoin): anchored in block 960485 (2026-08-01T00:10:46Z), 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/TWV671900071.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc0bf41272f1f0fc74923f8278f9d75eb82bd574040634bb8c532e3391af15b2. 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/TWV671900073.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b9c486b34f86bd30ef66a17723bcadcf0a122a9c93adbefc2a946140d7f5595. Chain 2 (Bitcoin): anchored in block 960459 (2026-07-31T20:22:46Z), 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/TWV671900079.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe8c6276b6df99b503b23a8ba1d743bd93aa04807e5819c3e4d35a17cc601c84. 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/TWV671900083.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70d6f52fcd49e2a316822ee705083f8d5e0741df08c70e754f28c4771370a0df. 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/CNC071900009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca5fd239ec9d71e873451c1b41ea80125db151e3b48e9a9671fdbf77ad0dfbde. 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/CNC071900008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ea59759972b58b28ee19660582b448b14c424e78f08670f5bfe7d1166d9ea28. 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/CNC071900005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4cddb5eb3f25fd4501ef1b12a460f689e1c8ac05088b49fcaa3ea8b14a7ba03c. 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/CNC071900002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4bcdd685180e7406c1c73be2d3ed924da0aeff013ff8153962faaf2d7462aee4. Chain 2 (Bitcoin): anchored in block 960321 (2026-07-30T22:27:30Z), 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/CNC071900010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x49b6f1c6f43f32a0ad34323914dccd33ef647eedb6cce8e3061878af5bfa8f56. Chain 2 (Bitcoin): anchored in block 960163 (2026-07-29T23:20:38Z), 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/CNC071900007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e2b7f6b6b116977ae5ede57d0cd4ff8dbf3bf17986de5a23f79054428ade811. Chain 2 (Bitcoin): anchored in block 960150 (2026-07-29T21:51:49Z), 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/CNC071900006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f37c06b02075cdebf0fdbadcc5ad7ecf6f464624dd19ffce0f5062aae85fdcc. 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/CNZ171500453.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf61123694876bb14f6b789ad9fe94f899435454a7e3c39cc5d88e8ecf17c978e. 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/CNZ171500454.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb80141d05f58b6dd54bd663004fd4a348652eff7d306646293fdd5abf2d5131b. 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/CNZ171500455.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0dddbc2c706703ff6979309c1079a30855b25cdb78a8e20e022e23ffe5e2cacb. 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/CNZ171500456.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4705d6b63976a758d4fa47ba7f6d799fc9e57fecb3f26ae0981154f79b35541. 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/CNZ171500457.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13f2e4ab2dca27b5dddbfccf1f96b7ef5bed7a58cfa33fffdde6afbff1a5ee46. 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/CNZ171500460.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08e1e3311e8e1bbde389c747fa660766a96f1afbfa49aeb66f99aac6ab6f53dd. 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/CNZ171500461.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ed925a8d7afa61e5bc8150b935acd0ed7b5540285be684cb2ff6fd7f50d4e3c. 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/CNZ171500463.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c9a8cb8b3c7e67c3c359e663d0d31d8d79f6916dda807bd51ea6b22ff479cec. Chain 2 (Bitcoin): anchored in block 960164 (2026-07-29T23:23:05Z), 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/CNZ171500458.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15e7a1a3d8603c8deec2bba1181760bee95311e2499d742c28fa35613b758040. Chain 2 (Bitcoin): anchored in block 960291 (2026-07-30T18:23:33Z), 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/CNZ171500459.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c8798104d56058dbb78c70b4c5860a3b7c703f59ef7a5644e605a7cc6788de3. 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/CNZ171500462.
父的三北 (《我和我的家乡》电影推广曲)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa015481c9897fab43e971999aaebd188a83dcf5b5f796be5d85f9cce9906d237. 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/TWFA52000074.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x12a3b524fc7e1fc5ac1f25e80333e3306ab10247bd573b9315427e9e833abe45. 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/TWFA52000063.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcbd00fc705b8a06ce69cec85ceb3c9b57b4b65fee2bdad597bb7ef0c2a9ccea3. 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/TWFA52000051.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39f755a19c6219f940ff75e2eeecb7a8939c0dde853f6228678ca1641de6fa7a. 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/TWFA52000028.
要死就一定要死在你手里 (年度盛典版)
要死就一定要死在你手里 - 年度盛典版
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e5532f5f01e04ed6bbbfffa94e9b96077014b72887dbe1060f1754ecb7990e8. 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/HKG731713504.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1e6ae2ab3da7585763281a03d1f8a7c8c93e4438acb6135f786f9799c7f91c3. 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/FRX202278338.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93070438cd9ff199aa63cc01643979191aa9dec3a9578da3ee9aefd8a76b726c. 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/FRX202278341.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb24d7d6bb1ac6fdd04b84b9a34bf8654725450c548b75f71840bf0da4e5bf94. Chain 2 (Bitcoin): anchored in block 960181 (2026-07-30T00:53:20Z), 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/FRX202278349.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x794ac2e4c50738af37d0a3ac6c17d0aea336aa20b0724ef33e17d4361bf4faa6. 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/CNZ171500123.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f625bc6be200fa8463b574ea33a27955b8b5cdc332d8dae3c09d9499adf211f. 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/CNZ171500149.