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 0x629db26cbee8c272033ef9bcdd25d26681aea82204e1218c2f3ad7a59c23b4d9. Chain 2 (Bitcoin): anchored in block 953626 (2026-06-14T11:41:45Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1f74b74c-ae7f-48c5-857e-75adfe72f48e.json and https://artists.proofprofile.net/proofs/artist/1f74b74c-ae7f-48c5-857e-75adfe72f48e.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 0x6c15660c9bdbefb0212b2923b6575c93c3942747ce335ff90dae588ca8ed3624. 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/GBKQU1684560.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x008f04ff666cb16bada75906f02b27dd87ac0ee3d7fb19d4deb52f1cecda6b1c. Chain 2 (Bitcoin): anchored in block 957084 (2026-07-07T20:41:57Z), 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/GBLV61625075.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8da245c1d235a114258b7a62c8da8e93c3b65dcf2029ab27656d9b6b4c34155b. 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/GBENT1330252.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9411f1ce1eccb022d2f189c9695fed56588f907849cc5377d266d8d33987181f. Chain 2 (Bitcoin): anchored in block 960220 (2026-07-30T07:28:30Z), 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/GBENT1330250.
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 0x7653ee760b9d31ec5013cee00e87f5cdf5cfead5a94e6394aa7003a6023bf03d. 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/GBENT1330251.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91d403a849f781e1133c7a358f9521bff461310b264174c3c3df4650b0075159. 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/DEP081500023.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e1ac2dfcf991aa477f02259e11968f211ab66d11e4772163747a2013ce9eabf. 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/DEP081500026.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b8494c4bc22605159df023390ae38fd12fac644de49379736e84e8cd090bfd2. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/DEP081500021.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86547a16193bc3f266f03ffebcaca82237dc8601848eabe6013e760e9e22c29a. 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/GBDLM1500034.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c9666564fc29c894f0a17d182e453f16a971e75bf4bd1d07d2e2998cea560fb. 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/DEHE41300030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe343c03342decf3ab211a2861ad7ee585c5def3222a0cb4afc05a596711d0cbb. 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/DEP081500028.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1534df46dd41186bd88df27dbdc281bca684049c715cbd18a7d0d7f7b52d2403. 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/DEH741313538.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb6231ba9c303c6907eab822a9bc6c6643d0cd574a6a2806043bc20f7f1305375. 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/GBKQU1636440.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80a4621e1f2c19aecab4494c128bb1f00c01a701400f2a8da32a7afcc2fb2f2b. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/GBKQU1636442.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6bfcffcfff66bcde94dc00545e0801912cacf818bb683a9ac0643d8a81cb8916. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/DEP081400009.
Runnin' - Deep Sound Effect & Stereoteric Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd43b52b5d3fc8b2f79b6e67cc029d506274b84e28033028949fbdc3cf39badb. Chain 2 (Bitcoin): anchored in block 960481 (2026-07-31T23:51:35Z), 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/DEP081400015.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x136afdc95369aebacaeac55e5aedcabed5812f2a7b82e533c9dbd9571bbcd4d2. 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/GBKQU1827930.
PURA MUSIC V.A Selection By Roberto Palmero
Fancy Jazz Chords - L'Atelier 'Amsterdam XXX' Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x19e1d122692a997fdcf9efb165a8db67bc6d9188472e7bbf87e2910c4e2599ac. 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/GB9PM1300181.
Peppermint Jam Pres. Deep House Files, Vol. 2