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 0x9932fd8e5424a76fe0b4e62902fb6005ddf5d3e30741ff1193471a35917e801b. Chain 2 (Bitcoin): anchored in block 953909 (2026-06-16T07:53:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/18517b33-846d-4173-b654-2f3e952e7f73.json and https://artists.proofprofile.net/proofs/artist/18517b33-846d-4173-b654-2f3e952e7f73.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 0x23a753517a075bd7542e8e65be438b8e709854f9223454ff41fe6e8c337c1701. 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/NLD911902145.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21bf76da841f45569770d377ffeb200286dcb4c09110ad02b0349a151025c9f5. 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/NLD911902147.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75a7a1fe0ec4f7d767cb3fa7f2a0b81e1debccfd118316391fec741ced556032. 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/NLD911902148.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8e9403df0b1cb9adf0d472ab9e2d1f81f0b66e2973316e12316cfe109ed0329. 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/NLD911902150.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59345f247d2e5a0dde4d012b74928ecb6fc47fcd0cab40a6e07a7a40e2d55f98. 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/NLD911902152.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeca7b784ef817c58862806ae3a660568bc7730e2ddc9505a1c044e7f90fc7575. Chain 2 (Bitcoin): anchored in block 960321 (2026-07-30T22:27:30Z), 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/NLD911902143.
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 0xc485b0627728df28cc181b16bf3932fddd1c99ef9f164e32a18aa42241ce52a7. 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/GBKQU1655052.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6ce6c83f11f18b88e607ff1098acd039ba3e295a1d279fac8bd7d812b0d9333. 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/GBKQU1655045.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5e8d93ecfe5204567753afd60275cd17208936c5cfbf6398faedd79f1a9626b. 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/GBKQU2347960.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x846f5a4112382fee5ed4d1300ddf85b69633fd9be4b37dd0367bb944c8181ee9. 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/GBKQU2347961.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa630381683997316163e6b05f2547f8c281ab445bc44c87c5e2f2b0efac028ee. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/GBKQU2347962.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5c78eee92c4415721d37422a011efa8a7ed9c9f336b9830cb1b955a755e203f. 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/GBKQU2347963.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9a821849d5ff80865b36932b6a5288dfc0ef60ccf6369f92e47b91786f60909. 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/GBKQU2347964.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x506c4abe9cc90d66b19afdd29f1adfe6ee15d49ac2fe5870d5937b6563a61341. 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/GBKQU2347965.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbac8ad29fc71e7ab7deaf4d6a9ef328fb4a83165b3b72ef63eb1abe0cb72ed15. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/GBKQU2347966.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab056203391b9e39d60c3df4b886aa7370dfd951a31bce31f898d7f7a366f84b. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/GBKQU2347967.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10716988b99f141edc13ffb53115a560f03c3fa0e614b1e144cb362280b3a257. 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/GBKQU2377790.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0b6c6aebc4d01ad281693da3006e70558dd5eb5096f8d0c458633b36e4f9915. 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/GBKQU2377793.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x12b8241aa07652ec0fc4f24fde95e297a6a0071323c1067c32d57ca66a1111e5. Chain 2 (Bitcoin): anchored in block 959144 (2026-07-22T15:38:35Z), 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/GBKQU2377794.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf091eddaad8b7d78812d9160d7e771e4529d1a3f641489aae17b66f0bf443ff1. 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/USA2P1872588.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3cc7acde66308284c6ac90c264c4fbffd319c8be8bab543fbb70885e7331480. 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/USA2P1872589.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x664e80cef15dbf0fbc90504086e61389f3b6b3813c0ef2aec2316ca46e6eb18c. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/QZMHL2496847.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x109ff33870a54f83404cb4e89c05716e42a8470c18a19ca52dabee46e5fb69bc. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/QZS632498185.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51447306d9ae279ebbccd26c2cfe6a71507407bc06dc8ae2a2e07e88ba726145. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/QZS672495153.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x136ba3c3cb870769aa8b13817e8e1f9d264c272f6bc11d5b7344c55c7ff3a550. 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/GBKQU1825972.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5a1f5fb0890e5c0998004add52a8ec4bc7e4d8f45cec6128c2c32f970bb872e. 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/GBKQU1825980.
VA - Ancient Wisdom Vol.1 (Compiled by SkyVibes and Arishtat)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b1f4e48641c9318045cf94b8781af9b602c42e79baafd2013898a1653f1999d. 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/GBLV62016426.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbed596e30a7b7d368fa6d836ed23871070f3b8dda9b216927415c57155ecfb89. 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/GBLV62016432.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c57fc3d3e3d08dc724649cceaee6f6e0da7188d03cd506003b413781243d94e. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/UK9SH1500002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c211e8bdfdb750846df4466778bfbd56b0677e5091ce65019bdc460b9afda5d. 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/GBKQU2290874.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc860f43855b467f7dbce57c940a9ddab2ccf0c5ac3ab3bad1aaeca51ecc3fbec. 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/QZH5E2300898.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a97ddce4e7b5199df1d3bf8582001f7abb2147714595d14284bd791d7c9b982. 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/QZS662234513.