Brandon Jacob Uranowitz (born July 9, 1986) is an American actor. He is known for his roles as Adam Hochberg in the musical An American in Paris (2014–15) and Mendel Weisenbachfeld in the 2016 Broadwa
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 0xfc30fe65c61c841451c311644e4abc08131a409aa5b5a73edfebe23f1b40d328. 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/431062cc-9ac0-4df9-a651-4d62c5151148.json and https://artists.proofprofile.net/proofs/artist/431062cc-9ac0-4df9-a651-4d62c5151148.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 0x44077fc67edf872afd1bdcbc99496ee0df45456b203089ff2856748481b8856c. 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/QZPLS2249010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x559a9ff0f1eb5a40a9f1bf27853b3a971055427428f4396fe34ea09479cd82c0. 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/QZPLS2249020.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c2b7e03a4a04e938035430bcb1ae51667a7a2f6e9aacd24ef2d7f35d2d1f8f0. 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/QZPLS2249033.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc23600dc70fe1b048f66f74ce4c6fe8c3169b49e77b535b5c432147d1597108b. 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/QZPLS2249031.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ae5194bdf07f0e216185c376f528dcdb7832aac5291f47bcd0cadfbafa6e2f7. Chain 2 (Bitcoin): anchored in block 957820 (2026-07-13T07:54:01Z), 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/QZPLS2249022.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74765aa0c0f5a4a7e55f1307c9afdfbe71a6f77e116199a709a533c61fcf50b5. 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/QZPLS2249023.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91fa179c5defa2bbf7e91311c167a67f00f6887fc8f6e33b17d9669ab0f1646e. Chain 2 (Bitcoin): anchored in block 957061 (2026-07-07T16:07:00Z), 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/QZPLS2249024.
Assassins (The 2022 Off-Broadway Cast Recording)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbcfe823e7e0815eab907664a903add8d34f3351e70a42c5d9875e2c960a4495f. 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/QMQYB2225001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb4049d52eca4945367238374ebd21913efacdc9b0f16eb0eb299ea99319cbe8. 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/QMQYB2225004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b65e4a8179faee7ccccf4706a3ad3c14d3db9ea759e2ec95d5d59217f021156. 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/QMQYB2225008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73d5b762d6865bb98d4d1c87285b9088c83653c7aeac71dec3efa05eaa6cd5e2. 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/QMQYB2225009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6845c6117b75213bda3254e7ecd44228f00acd2ec3229f8df17f5bf301ee6c5e. 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/QMQYB2225011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1dd741a41b3f844975b1eee5226e7b31a41b0c5e71a68a69e1ede0b4d5cec77b. Chain 2 (Bitcoin): anchored in block 959144 (2026-07-22T17:20:13Z), 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/QZPLS2249012.
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