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 0x75f3ee0fcbc64415f81a446237b988e799b72c1f57e218172c04ce7ca09e3427. 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/0091e7d0-dccf-42c5-8ed4-fea3f4c89a5c.json and https://artists.proofprofile.net/proofs/artist/0091e7d0-dccf-42c5-8ed4-fea3f4c89a5c.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 0x4a3604a1b3c0d8470ca0e4bc184f9372cfc65fa3d45dc34c882793337d5d4e81. 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/DEEC31900303.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5d1c5ec46ed0fe61a7ab2217daeba999abf0dc56df5e2ea014d005f4ccf448e. Chain 2 (Bitcoin): anchored in block 957891 (2026-07-13T18:21:04Z), 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/GBJX32055026.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae342d1cf1b033698949f37a8bf4d1121b608e717e42a2547bec1573b1e470b2. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), 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/GBJX32055028.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa99afa727724a0c04cbd17baf3bcffc02354749577fbde9b85efcc48b45e7e39. Chain 2 (Bitcoin): anchored in block 958152 (2026-07-15T12:00:27Z), 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/QMDA72498451.
Christmas Present for Papa - Mita Gami Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd16c72ab05064417b3eee8b480d1f72d2e0f08c529207373c28d685cf31fcce. Chain 2 (Bitcoin): anchored in block 958390 (2026-07-17T09:35:49Z), 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/NLHR22300009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x122f52cead3590e25b7c36ba5511bd4fedfbaf89038ed270fbb0a76279cd5261. Chain 2 (Bitcoin): anchored in block 959088 (2026-07-22T02:14:33Z), 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/QMFMF2413231.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4c67c865b9e4afe4f4035159984e8923b0147853e6da9da71b46a968468ef4c. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/QMFMF2413230.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3759f6c1554d38d2fbb85a7a75cc7c9eff1fcf6cbec7feac242820bce8b5d4ec. 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/GB7NR2532703.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0fe11b19276c32e1957ecc84b8eb41232771d784836ff44a78b88a52698a23b. Chain 2 (Bitcoin): anchored in block 957780 (2026-07-13T00:36:44Z), 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/GB7NR2533403.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3566977f299e0280eaf6bd8b4c5a1c01e0501c0ed61516b3a13b00daf187bffb. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), 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/GB7NR2533402.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x196533ad0e5c34c169561688103082765ad6a3463d0525b136d3c2c4407a9bd8. Chain 2 (Bitcoin): anchored in block 958245 (2026-07-16T05:50:22Z), 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/GB7NR2533404.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3b09e04faad12c9fc07956310620ffecea2f1dc7ed6d50e6755abe5fcfd44d7. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/GB7NR2533405.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4219afa2ac23e700f6706127e9c9e5bebb4dfaca76c63a779e8159e9cc91dc35. Chain 2 (Bitcoin): anchored in block 958480 (2026-07-18T02:58:58Z), 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/GB7NR2533406.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93473fae71c8f4b171794d76da31531b56b341e550b263bedbd6d98e80f1616f. 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/GBEWA2306362.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8cbda22116fb821202dbba55e6f88fbf7fae43ddd361631d479c55646b9056e2. 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/GBEWA2306365.
The Best of Crosstown Rebels 2023: The Year It All Came Together
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e7f09d98e79be4acf43b040aff8865de996131f66434a140625054fcb85a97d. 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/GB7NR2329203.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc55fa5d6252ee4b84134360b94388b4d9bea362c43b023c302b5e03d4ec05e06. 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/NLHR22200184.
Renegade - (Adam Ten & Mita Gami Remix) [Mixed]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35ed011e5a52abc566134787c48784bd740fcef07fbeeddc7123e0415f42b241. 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/GBHFW2400092.
Chutney Mayhem - Chaim & Mita Gami Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01f84c3db62d967908e7e82e194cc62790904d12f4123e7e03ef6b8de3aa731a. 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/GBJX32155012.
Molly & Sally - Adam Ten & Mita Gami Remix - Mixed - January 2025
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeec7c2fd5e7605575d33acf832325da967e02519178a1fd146ea16c270cf7d3c. 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/DEBE72500088.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f60bf32bff6fc3fc18db69c5753d5c31f14b1eb3eafb16bde69c1f5ef4019eb. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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/USNRS2443530.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34d4f57ea6a204019bd87365d3ad2739db3fe0af245d9bd9279f5263653ec609. 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/ITSDR2100214.
Molly & Sally - Adam Ten & Mita Gami Remix - Mixed - December 2024
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f2c2ffb3b9514603c64d28ad632696a9b352ae9e857f459bfe879c5fd087a72. Chain 2 (Bitcoin): anchored in block 959105 (2026-07-22T06:33:30Z), 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/DEBE72400773.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1610c10d502db38dd5d9c2dbbf1abb028ebad74a1b4e1ede2ba5ffed4d4c3064. Chain 2 (Bitcoin): anchored in block 959123 (2026-07-22T11:35:32Z), 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/USRE12400439.
My Sweet Stranger - Adam Ten & Mita Gami Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e38a0de5ca8806a94ac5171e8b91efdd304b95eb49576e6a328b9603eb263eb. 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/NLHR22200852.