Sam Barsh (born 1981) is an American songwriter, keyboardist and record producer. He has worked in the genres of jazz, R&B, hip-hop and pop. Biography Barsh was born in Chicago, IL, and began playing
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 0x373fa5581e81402536b0e6739204adbfe09fa5564a446a0adf939a7c870ebff7. 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/e2744348-c5ce-40f9-9efc-61b8374f798b.json and https://artists.proofprofile.net/proofs/artist/e2744348-c5ce-40f9-9efc-61b8374f798b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Spotify Singles (Recorded at Spotify Studios NYC)
Beat Tape, Vol. 1: Mood Side of the Barsh
Beat Tape, Vol. 2: Trap Side of the Barsh
Beat Tape, Vol. 3: Crate Side of the Barsh
Beat Tape, Vol. 4: Drip Side of the Barsh
Beat Tape, Vol. 5: Blend Side of the Barsh
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 0xd9cd29b50fce02ab884ef3b379951af3592b9582148ecc1e168dc4129b5fdfa7. Chain 2 (Bitcoin): anchored in block 958785 (2026-07-19T21:40:06Z), 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/USA2P2044300.
Beat Tape, Vol. 6: Boom-Bap Side of the Barsh
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d9a7f0c8081bdd6d55b9b1b849138b49beb9eddf6f014da7d06a73f1ff79b10. 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/USA2P2112608.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51b17ab9b76fcbc0e6b2e9f8eaeb62aafdb0d0ec2d6c1efc46984cd79755adeb. Chain 2 (Bitcoin): anchored in block 958987 (2026-07-21T09:04:56Z), 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/USA2P2112607.
Why Would I Stop (Theme from the Podcast "The Vaping Fix") [feat. $tarborn]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80b485953ce7038382beac972adfecab8ee684746ffe0c7f8bf51011cd78e629. 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/QZHN62137148.
Beat Tape, Vol. 13: To The Moon And Back
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x580a1de5b7d782064e6514134d2b5e4c026219696983eab9dadba008a3a26f72. 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/US2W60646304.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c415d99962bc72096d3ef7df2e851bdadf72d4e2a77821b4f32acc350de0950. 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/US2W60646301.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4b826604aa465f617d2fefe672a42d655ac6122862977b7157a72cf73d5a6f9. 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/US2W60646305.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02223d2a9de785507df25bee8b6a43b8d531d7e9b34f66e11c229643d67305a8. 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/US2W60646302.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x037610527267b39dce4ac9d1674bd19b42e9f70c5b24fb2c671f0d6d78a49b4e. 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/US2W60646303.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde90cb43d6bbb78e07ef3bff53a0af2a719e0861db786f87b65de15ae0e2d1d5. 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/US2W60646309.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x463cee81f7df77ac072c3224eb47ef35ecfa85ba367d66f22677626b4ec77657. 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/US2W60646306.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa85ff7100e97dc784767a3b65c624845dd404c07a347c5519597d6810cee7cea. 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/US2W60646307.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e4afc4157a4b15f5f118ece02b6151e7c9acea3ec6e9241ed37189b933e639e. 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/US2W60646308.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13fc915abefe9e8dfe694d9fcda01a99fd0094b78e7d7c793a6ff6bffb2a3d2e. 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/US2W60646310.
The 50 Gold Selection (Commented Version)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc02a133feaf07cf4f45ae5e4ffa2b70970ec4a72b2261743e3d07d1be64fd6c3. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/US2W60446204.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c415d99962bc72096d3ef7df2e851bdadf72d4e2a77821b4f32acc350de0950. 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/US2W60646301.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x580a1de5b7d782064e6514134d2b5e4c026219696983eab9dadba008a3a26f72. 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/US2W60646304.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02223d2a9de785507df25bee8b6a43b8d531d7e9b34f66e11c229643d67305a8. 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/US2W60646302.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde90cb43d6bbb78e07ef3bff53a0af2a719e0861db786f87b65de15ae0e2d1d5. 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/US2W60646309.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x037610527267b39dce4ac9d1674bd19b42e9f70c5b24fb2c671f0d6d78a49b4e. 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/US2W60646303.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x463cee81f7df77ac072c3224eb47ef35ecfa85ba367d66f22677626b4ec77657. 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/US2W60646306.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa85ff7100e97dc784767a3b65c624845dd404c07a347c5519597d6810cee7cea. 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/US2W60646307.