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 0x68f688b21db518024539d19068dcbcb8df62532f2957d0f1a8ea159e23d839d6. Chain 2 (Bitcoin): anchored in block 953610 (2026-06-14T07:58:09Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/12c65137-7793-4fd0-a377-9680d963e3a7.json and https://artists.proofprofile.net/proofs/artist/12c65137-7793-4fd0-a377-9680d963e3a7.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 0x2988cc2b94fd901a855a94c4f5fe625836a530b359881a3a54852132c5b30fcc. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), 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/NLD911500043.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a1d9672deac088b54a41ff3298d4fba9288fa46d01c98a61e392dc93bc60697. Chain 2 (Bitcoin): anchored in block 957663 (2026-07-12T05:58:46Z), 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/GBKQU2164234.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48eda0b6c24624e0f46d4eee89d08cdbfc4bd7068bf9bc8728225b44e1f1c054. Chain 2 (Bitcoin): anchored in block 958350 (2026-07-17T03:55:50Z), 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/GBKQU2164236.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4533dd5d6146ee60fba5a1e1fbd3f1d0d57d554ea86607ae6ae24af73c00080f. 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/GBKQU2164237.
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 0x8f6b35d72c538c4002017b6eca71f8aef4225616abbd1084f4bfb0f8c880a49b. Chain 2 (Bitcoin): anchored in block 959159 (2026-07-22T19:44:38Z), 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/GBKQU2377786.
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 0xd994c47cfc5d8ed04a2899396068f3c46111a2b02a8281311a94320ac03cc174. Chain 2 (Bitcoin): anchored in block 959163 (2026-07-22T20:53:11Z), 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/GBKQU2377791.
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 0x9901a097313a3bc4057e8de573b1ba26d000d48815cc77934d51e38f0aafa247. Chain 2 (Bitcoin): anchored in block 960117 (2026-07-29T14:28:24Z), 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/GBKQU2377789.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe63d86c680995d30c7121c865a477fdada559c1bdf7327d4a122e30491781b89. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/GBKQU2377788.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd84ba16fbd45a79fc91650041a5e0419f357b1125fead5914d40edaa4377782a. Chain 2 (Bitcoin): anchored in block 960145 (2026-07-29T21:13:37Z), 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/GBKQU2377792.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d10e314d783973895589f55a0605977bee6240b3b8e215350614e5839a6a8be. Chain 2 (Bitcoin): anchored in block 960247 (2026-07-30T10:42:33Z), 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/GBKQU2377795.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcea57e7363d76f840c8e0965b688e595347ed8b7a034da80d756abe41198b25b. 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/QZKDK2009834.
Parvati Records 20th Anniversary (2000-2020)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc33cfab9c6d3f06e57eb2cd204b4053cb813fab75ac9f5a6b9a0aab7bc2f8c7c. 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/NLD912001347.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e42ba6cc95b1479f1290b333488d37815d18b9a6c365788f25bfc910c09459c. Chain 2 (Bitcoin): anchored in block 960254 (2026-07-30T12:06:10Z), 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/NLD911302024.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7bdcdd88606aab127e1d9e6eb5d2ab879716adcb581c823acb483f38ea49fe53. Chain 2 (Bitcoin): anchored in block 960494 (2026-08-01T01:44:32Z), 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/NLD911100106.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9cddef4b5734232b0e6c1a3b5c6862e7a7cbebb02c4416036b91fd24e77632fc. 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/NLD911301678.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9703305ae9267594dae8f7bc83c8b0f77bacdf24b9cfcb28b1f2884386c266b4. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), 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/GBKQU1713471.