Tanlines is an American electronic music and indie rock duo from Brooklyn, New York composed of percussionist Jesse Cohen and guitarist and vocalist Eric Emm. Their influence is drawn from various gen
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 0x00a3696a49fcaef72ef327c4b1c68237478cb75ed425d2210fccf32f7d681655. 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/41e2ab4e-5149-4b5b-b808-db78148b5e23.json and https://artists.proofprofile.net/proofs/artist/41e2ab4e-5149-4b5b-b808-db78148b5e23.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 0xabb8002f40e1183f26733e83619be80b22c6609e192b9bb4aed6d6600183cd79. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/USMTD1102092.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8683ddd9c571c987a2e68412375661c0df825d5ae3460b8579ec8e6eafadb1f8. Chain 2 (Bitcoin): anchored in block 958985 (2026-07-21T08:39:15Z), 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/USMTD1102103.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45c4063eea022333d26e10adc393b508aa9008ee357bedf452b0df0eb5863aa0. 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/USMTD1102094.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x354a44e425ce14d58b135fa92d967afd1715453cf93cc1dce6aa9adfed745bb4. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/USMTD1102096.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3a1572eaaa0efc1ea328bf384eb1cf3dcd5b03f389a4819872c92b780f84867. 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/USMTD1102098.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ff069e52eb074374d414cf17c7fb79ddc603e826a8dd67d694518d1d94a1ee4. Chain 2 (Bitcoin): anchored in block 958060 (2026-07-14T20:39:42Z), 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/USMTD1102100.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc8c36406b5bef3f6849227ebf6ed72dcd60bab087688b3142d42ed307bcfe48. Chain 2 (Bitcoin): anchored in block 958600 (2026-07-18T19:24:05Z), 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/USMTD1102102.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8683ddd9c571c987a2e68412375661c0df825d5ae3460b8579ec8e6eafadb1f8. Chain 2 (Bitcoin): anchored in block 958373 (2026-07-17T06:09:33Z), 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/USMTD1102103.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0fcf820523ccd2e1bce4f573880b3ee210e688422ec228c768f8dcb97833390. 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/USMTD1505972.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb444b86a969c37cd9c6d6a71392286bea04da97d86f0ed98cb8470fbeefc1d08. Chain 2 (Bitcoin): anchored in block 958975 (2026-07-21T06:12:52Z), 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/QM24S1802321.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7bca2cf7a528b919672cca877839f4c414700365ef8c10a0c4de181bfcf09496. 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/QM24S1802323.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x274bbd4358fabe413ea5c05d568647fb7df6d7d342cd1a1791c94cbcb5ea82ea. Chain 2 (Bitcoin): anchored in block 958703 (2026-07-19T08:36:12Z), 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/USMRG2382801.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb9cdba91afe51b0ec68587e1e51287da2bc5fe82363e813e4759bd61e27116ba. Chain 2 (Bitcoin): anchored in block 958392 (2026-07-17T09:46:31Z), 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/USMRG2382802.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e62ec54afb9923e762147f86d764bc0c54db28827bf7ad0592628da3c9415bd. Chain 2 (Bitcoin): anchored in block 957665 (2026-07-12T06:13:49Z), 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/USMRG2482823.