Q-Tex were a Scottish techno music group active in the 1990s. Their line up consisted of Gillian Tennant (vocals), Scott Brown (keyboards), Gordon Anderson (keyboards) and Alan Todd (keyboards), and f
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 0x14ba03790da85f197c38a0c0a02132b6fdd8617ae3b50b344dfa6b4d71c6465d. 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/d39a1697-0893-4051-a8fc-f200cc163627.json and https://artists.proofprofile.net/proofs/artist/d39a1697-0893-4051-a8fc-f200cc163627.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 0x33320099dc1ec00d7067aad703f19879c1c2481bca7a4ac43df9800f8df76ada. Chain 2 (Bitcoin): anchored in block 960298 (2026-07-30T19:26:00Z), 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/GBDGN1301356.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d47ae13c26e27be9b868e0643f646f00a2dc4839c9a73029cb31c074c2dc873. 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/GBDGN1301357.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53d98d93cd28cbba033900f512c8edc8068a820e4a0c2d6f06b38e4985975b0d. Chain 2 (Bitcoin): anchored in block 960500 (2026-08-01T03:13:03Z), 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/GBDGN1301358.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f879a6858d89ebdced5144cf2711e82c1ebefec9a537e87f6618d24bcb05106. Chain 2 (Bitcoin): anchored in block 960296 (2026-07-30T19:11:09Z), 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/GBDGN1301359.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x113c996624e78a8757dbbe6d60fa27c81167402b1236fbcb10f4eb5863329245. Chain 2 (Bitcoin): anchored in block 960459 (2026-07-31T20:22:46Z), 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/GBDGN1301360.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3647edb747008ab7d1ee37af24ce74af206fe99b92f1063414a296932b25364. 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/GBDGN1301362.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50b771f97e494b205be5cd8df8242d4065a30a4270b5099208de215b3c7ba23a. Chain 2 (Bitcoin): anchored in block 960173 (2026-07-30T00:11:40Z), 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/GBDGN1201143.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7b1a4ca1655dc680ce5134d53bf50110dcbdab2c5b0add2e2ed6e2be97632bd. Chain 2 (Bitcoin): anchored in block 960191 (2026-07-30T01:51:26Z), 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/GBDGN1301364.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4ebd392023f364c562da91c27c4eab5350994ea049898b09ce597dc77e98c89. Chain 2 (Bitcoin): anchored in block 960144 (2026-07-29T21:09:47Z), 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/GBDGN1301366.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x491ce56459602ca5c4ad2bfcd3023effb258672b1e349487f4a164f7ce693a92. 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/AUQ0L2406520.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54af72216f640e5cd84fca0d19bb21bc6e46e79bd60b1f0454776fcf52b7ee0c. 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/AUQ0L2406521.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x491ce56459602ca5c4ad2bfcd3023effb258672b1e349487f4a164f7ce693a92. 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/AUQ0L2406520.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54af72216f640e5cd84fca0d19bb21bc6e46e79bd60b1f0454776fcf52b7ee0c. 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/AUQ0L2406521.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ac9a552a0e3d4b5e9ef80d11ad6b90ef902714b63c86e6108da3da51f0736d6. 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/AUQ0L2406525.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ebd29f66423bd4bf4309eaa5ee32708612364df984c5752ed8f3dd35c7120c8. 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/GBKQU1748314.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04b7552e2514cb2885659d5a5839616fb99ac881c58f392db0b930f0ee3d8922. Chain 2 (Bitcoin): anchored in block 960302 (2026-07-30T20:09:33Z), 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/GBKQU1748315.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88ecca3d8e1e089a5ed46edefc3c2d764f0d6d25357955e910bed412766bda3d. 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/GBKQU1625497.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f9f71164010f4e5b57dae098a248e7824b5f6f7f6db507467bb52dbb0f48b12. Chain 2 (Bitcoin): anchored in block 960203 (2026-07-30T03:35:13Z), 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/GBKQU1625467.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdeff7230181f20605bcae942f18809a981acb2453e852f423cfd70947562bd51. 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/GBKQU1625469.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48f32c243ba2c666112a2bace0ae7989c1623b44c04e5104f9ba912afda3f1b4. 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/GBKQU1625470.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8716fecac92742920e708915d2f4ad36921216c964ac7598e1c93160f509f25. 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/GBKQU1625445.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1119c0fae4ec8a16c47465f5244e95658e3c7d47806b224c8d0dc52cf0f8e716. Chain 2 (Bitcoin): anchored in block 960468 (2026-07-31T21:25:57Z), 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/GBKQU1625446.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2f8d6756110eecaf250c8ff2055bced200c6ba99f5329903f63b2b8ed6192df. 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/GBKQU1625447.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21a36fa88f4e2293081f02f4d2200a56188d752ff306e951990d3ecb3d312a7d. 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/GBLV61510799.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f1ea31531536d1ac03932d893624ac92d37089fa955786227dbacb98875d7df. 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/GBLV61510800.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b8a646712c02edcbd3c42a9f322d6cad0307bfd52d4892dc72b4c1c2782a890. 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/GBLV61510801.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef74a0e2ae3be7d6ec78bb3fbdd9f1b65ca5cd8cfd86f64d5b901e8214d191f7. 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/GBLV61510802.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf7bdf43aaecfa3e34de53aecb2721a3a43fe8e01ebd0f9432ba86857308e34f. Chain 2 (Bitcoin): anchored in block 960095 (2026-07-29T11:07:37Z), 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/GBKQU1588945.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5a144c0cfd7f8921303ce7dd2e67cf0c1c2cee882f49d1e4a3a38200e1b5059. 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/GBKQU1552092.
Power of Love - Dj Kurt Powerstomp Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d694c561f9d4019dbfefeae1d642c8e9dbdd17d92d945d9b85b743d9227ea58. 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/GBKQU1329650.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc49ecc0b9e9a0aaf04330369a3e4dee0ca5836f426d1e5f44e034400b2cbc627. 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/GBKQU1329652.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeaef071e3fc02e1df29c838b4c263d5f6b67fe3327e60d83fa969ae2dea81dd0. 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/GBCFZ1700385.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x437b0d9cf86c94b64eaf218d232e0e27990d775793e52b67c20f1d562b33d1bd. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), 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/GBCFZ0701862.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x520de21b0b2c4a25250b17c150d4a7954adf7477afe7f2912e684614d1fa9198. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), 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/GBCFZ0701863.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc86e4ed8d64ed550e1f416d6bc4167b68fa127fcdf0b451cccae5de0ec1a8b87. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), 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/GBCFZ0701865.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f9c9e089d0ace9cfa6b305fe589235232221f00b65104894c291ff89fbe255e. 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/GBCFZ0701869.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc811c4ced8aa261b36e2e46271b5e99dfe59ec92be806d64e13f257db8fdaf12. 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/GBCFZ0701871.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b8a646712c02edcbd3c42a9f322d6cad0307bfd52d4892dc72b4c1c2782a890. 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/GBLV61510801.
Evolution Records Hardcore Classics, Vol. 5
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8716fecac92742920e708915d2f4ad36921216c964ac7598e1c93160f509f25. 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/GBKQU1625445.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7139ff6592834a20987b4b0289c7bd15a588b4b1b8680dad35d2a054c5fe2e52. 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/GBCFZ0300220.