Michael Austin Cera ( ; ; born June 7, 1988) is a Canadian actor and musician. Over his career he has received nominations for a British Academy Film Award, three Critics' Choice Movie Awards, four Sc
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 0xd45deae87e70d3dcd8f19fcdba5fe355aa2154b3a77350ed5e863c63c22c6c07. 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/d75dc177-336d-4a93-903c-a856232be086.json and https://artists.proofprofile.net/proofs/artist/d75dc177-336d-4a93-903c-a856232be086.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 0xb167d418add3fbc8e0c6d734cab9ee3dc2416a6e562e89b078d768146bc8ae99. 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/TCACK1587291.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7612b1b43ed9caa09fcd35ee07799123d8d60be4f47c4a14a24cc0da5cfcd6f5. 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/TCACK1587299.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd69dd8dbc0ffce94507342e207292763f54f9ad7995e9bb2dccf1c51f29dcc5. 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/TCACK1587301.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6909410518300805597f08e71f3dda91e797ed5a25fcdae5dddf42502ae6a54d. 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/TCACK1587312.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2deb06e6dd21560e45c0ea39a4eebdb045bc296af98e586be69b8638c37861c. 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/TCACK1587314.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd9298cfc73ea8a1341ae67802e7a9a431921265974ff95963bd3972382f27f4. 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/TCACK1587316.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f72a3afd5f0252e64f36fedb527de742f316f90a535916a04f7569a197b1e8a. 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/TCACK1587321.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff7d843b62375d41c123f86a6113b7da5ff4c8c2fa02a04e1914a9ea553222ab. 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/TCACK1587323.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x443441aa53c53dddbc7cc6d03405dee256e5fba4296a7db1c41d37bc88886134. 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/TCACK1587325.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1517a9dffa11b967df98032567e889651a434bef9dd157441bc34bfb40bfcd15. 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/TCACK1587327.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x160d65f2ff310e2c4568644640de87e580d8fb788d1fab669bbbe4d05dfc80fe. 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/TCACK1587372.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3876c3312ab479ac2c18730ec63fc054296f953bf0db0f0ec885af6ff4b1a7bd. 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/TCACK1587376.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x650594ae9497b073926a99047c92906dd785ea9e4294e04732ef6d690e870a94. 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/TCACK1587418.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x899eaa8f770991bbc56b632e16b0595bc182f7b073d795fbd3072cbfd494777d. 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/TCACK1587419.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34be075b37861140781542ecf68b7eaffd370057b6d03673edac480832fd895a. 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/TCACK1587420.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4fe8e80dbc23a1c4e088afeebbda1737288c803d4490990200658b90f402fc0. 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/TCACK1587423.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe206e154909a6ec31f235b17dd8b167e0eeac91c08b4defe649b3b7c154f3a2a. 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/TCACK1587426.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xffc25bd8c2bad0f3c0b15f928ba357a669da48ac000b887d13dab71566568eef. 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/TCACK1587427.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53722c7e57056641f4ab33974d5f2b0f50e6edf0eb73f0bd2f67b13028102202. 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/TCADG1759253.