Jonathan Kreisberg is an American jazz guitarist. Career He attended the University of Miami from 1990–1994. Since returning to his birthplace of New York City, Kreisberg has led groups including Lar
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 0xe64ae8cfc2e55b5fb1f445984a43cc0093017845ba386c97a8aaac41c45c0678. 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/b0a8a8e8-97fa-44cc-a120-e70cf8d98087.json and https://artists.proofprofile.net/proofs/artist/b0a8a8e8-97fa-44cc-a120-e70cf8d98087.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 0xfec695d28b19d5aaf50027317bd0837b98ee8b06e24f74543d7950dde549d62b. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/NLGZ20901341.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe82e08570ceb3a8a8bb3096add8d519cf4667bf9d6fb5af50329e338b1dd9165. Chain 2 (Bitcoin): anchored in block 958812 (2026-07-20T03:24:09Z), 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/NLGZ20901342.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14cfa52e232a816d673a87d99676e5cb5b201128e32837591f46f9054cc6cdcb. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/NLGZ20901349.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8342e218db20db8e2f7c039caad0e028a4880405bc462806b8326a006fb4acd9. Chain 2 (Bitcoin): anchored in block 958749 (2026-07-19T15:48:23Z), 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/US25T9922302.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc364bf461097eae93237127dc18975ebb904b30fc2593068943ff528e5222697. 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/QMJZS1300003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21cbe24d7e396dad243f012e43fde7ddb5311c261609bfb2fa8230222a983ea3. 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/QMJZS1300005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2333a9a69800581b269caf06aed9369437c5cd31df4be394a7a1537e646b7870. Chain 2 (Bitcoin): anchored in block 958286 (2026-07-16T12:43:37Z), 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/QMJZS1300009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20fbf9c76cadba045ceece071dc385c83331ff0bac48aba46513ee03c32d6c92. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/QMJZS1400001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x867e6df2eec0390fa142be63d697558f0bcc2f35a92ae22c0659ba3e5f9b2b43. Chain 2 (Bitcoin): anchored in block 958650 (2026-07-19T03:36:41Z), 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/QMJZS1400004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1a2affee16dc4c016daceffe215e5017f736c39a94525f0f8d210b4c4fc883c. 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/QMPK41800075.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5eb16e0e70d16ca09d95e714bc2bbf144ef1ce1bac346cf16e182e658910332c. 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/QMPK41800079.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13e0ae50d457d04d77b01793f927e4bd6519b7fe2908ce3588fe04df863d6caf. 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/QMPK41800082.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x511ca1a389beaff4c2a17e06755d0800338c75e0931f5d289b25b14d6881cc27. 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/QMPK41800076.
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 0xe9d7b9d6519298f03f2180fa1409a0fbafd1780eb4d26778f42f9501f14960a6. Chain 2 (Bitcoin): anchored in block 960193 (2026-07-30T02:05:19Z), 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/QMPK41800077.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd031418ac28bbeae9ba940e8180d8fa890bb1a5ee687c8a1876b2fe2d1110ed. 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/QMPK41800078.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2202c604925c66d0dcdc3a135d2789c25bf73b7ec9d3d494ce0574ddad740241. 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/QMPK41800080.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4526e939d23cf24e031505d35d6d8bf82a366cfab04136edd5312379c3dbaf60. 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/QMPK41800081.
Lina Rising (From "Kreisberg Meets Veras")
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd1e76c0c2577ffc10ad615e32d3f4fde3cb9f07004b2d61b9dff7ec76188f8e6. Chain 2 (Bitcoin): anchored in block 959031 (2026-07-21T18:54:33Z), 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/QMPK41900301.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92f591d2d16024c9033c3b052f73b9e4762fbf56db431d68857c9dd394a9492c. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), 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/QMPK41900303.