MFS may refer to: Education Maryknoll Fathers' School, a government-funded co-ed in Hong Kong SAR, P.R.C. Master of Forensic Sciences, a specialized professional degree Miletich Fighting Systems, a
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 0xe043a6fb9f5d8af4e3ef891254bca6f6749841ccf0049eea980be60615e9c3b0. 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/12d741ae-abe3-4b1e-9644-246ba3338871.json and https://artists.proofprofile.net/proofs/artist/12d741ae-abe3-4b1e-9644-246ba3338871.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 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 0x8459405b7f6a74b5299753c28813754ae40ff6b5d8be0339d1de4a531bed84ce. 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/TCJPV2373426.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeeb54a6fc08ef99c6b45d5722b01b09d761bddfd1ce91fa855612f75ba0dca42. Chain 2 (Bitcoin): anchored in block 959145 (2026-07-22T15:39:05Z), 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/TCJPV2373429.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff28f9fa562ed92846cc7a52714dbd5ad3b7028673a125578301222d25b6f93d. Chain 2 (Bitcoin): anchored in block 959096 (2026-07-22T03:48:36Z), 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/TCJPV2373431.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58e5b59f805270dd270c1ab75958f2b84d6247e945254a6d4e36f7b53584ed48. 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/TCJPR2217284.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x400014c3c5a54cb873fc7011c88d9c929e4dd9b48c22259996c2a184f668d1a2. 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/TCJPR2217305.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f2879f8b282f2129b61031c02fa213a0636bfaffe0ad06afe1ba3825113ae88. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/TCJPR2217311.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2fe2a12294dfa1c7e2ed03e68f242bc8726ce32c16052bb61a8cbaf4d459a61f. Chain 2 (Bitcoin): anchored in block 958816 (2026-07-20T03:51:05Z), 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/TCJPR2217312.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x488b73fb6066f94f302e0f348ccf70c8da688aa865f7eca45f13c30b98b50e3b. Chain 2 (Bitcoin): anchored in block 958644 (2026-07-19T02:21:25Z), 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/TCJPR2217314.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb88d44b062df2f76b082e88bf7275fbf31b0e2b10b0cc7e29d4042a126b228f0. Chain 2 (Bitcoin): anchored in block 959010 (2026-07-21T13:22:35Z), 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/TCJPR2217320.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x547f37e9b9d9c52be6b3aac6d8f4804abb79c5ad9d61e5ca4550dabd11c3fcff. 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/TCJPT2220320.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf936de5fa0cec4a46fc558ad20bce86be2180647a0ebd63ee8cd800ede7bde42. 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/TCJPT2269115.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c0d327cf759d8cebde05331cba3e806029457b95f0538bbb23a249331a13903. 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/GBAYE2300705.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72e358d1f860b75b4cd1ae9db75dfc881e2b249ca7760c37b71075243445ca1e. 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/GBAYE2301213.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x051e1cce5bb753883bb61f95f4080cf97651e78b9f36dfd6b5d4c133d4f806b7. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), 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/JPWP02300982.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x051e1cce5bb753883bb61f95f4080cf97651e78b9f36dfd6b5d4c133d4f806b7. 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/JPWP02300982.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe76145601c12a68f115a0e39a2fe7efcd223ff9696b21a134ad7de8de7c80125. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/QM4TW2455082.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6f71056112e94d09e94e671fb8cc8b077f111dc93d20f72ca5f68028153435e. Chain 2 (Bitcoin): anchored in block 958517 (2026-07-18T07:54:29Z), 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/QM4TW2455088.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdcddea8868e688b74e4736352f80ab3398c9bf937e8cd023fce2598529721adc. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/QM4TW2455090.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb6e5c3882b2d1b2c572553540b491208c7b3019e0d1bdf71ada39083c16ef3a7. 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/QM4TW2455091.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x026be65ddc8407606f4b6a53d5bcc4c82966eea17f4c1c3fc41c3dd0a32ba45d. Chain 2 (Bitcoin): anchored in block 957880 (2026-07-13T16:39:18Z), 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/QM4TW2455093.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f2879f8b282f2129b61031c02fa213a0636bfaffe0ad06afe1ba3825113ae88. 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/TCJPR2217311.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a68ae567088f936084359ade78fb74cbb49947d493f9335a64c8b669b61f1e4. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/QM6P42462610.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb1fb4c6c7ba5b767030b402fb6ee52f248c08de135309a8d6c6b5a0bc6dab93. Chain 2 (Bitcoin): anchored in block 958246 (2026-07-16T05:55:09Z), 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/QMFME2466517.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x19b5f6096f604bc73d85f84f12836fed56c777d34765c5575df9a7baf3223148. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/QMFME2545715.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf271c9a2b7c201e9433d280d680fb89001b66db6f2711b1da4974632d37535ab. 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/QMBZ92517224.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3842f1ee82b02ee1a962ec26ac3e8e5476fcbad6826749a0cee996aed7c315e0. Chain 2 (Bitcoin): anchored in block 960099 (2026-07-29T11:30:20Z), 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/GBAYE2300501.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76776bec2075cb0acdb0884395cdb347afaee2e2d95049274e626bd984ba8f9f. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/JPJ902301180.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2b4c511e6dd79cdf861e218d375bd6ea9dab7107a233dd6bd0c5552c6b2cc41. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/JPJ902402060.