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 0xddc27025f30a62ba64ddad63a74701c833ee13a8e5375348c1db75dd224784c8. 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/4c5bec0d-c0eb-4081-89d8-65c793b2fb72.json and https://artists.proofprofile.net/proofs/artist/4c5bec0d-c0eb-4081-89d8-65c793b2fb72.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 0x590f30811aee448bee914d7bbc71881d963657d4bfe3f01c7574c387eda36de6. Chain 2 (Bitcoin): anchored in block 958286 (2026-07-16T12:43:37Z), 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/GBKQU1453803.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b382502b5db8e0dbce19614eb0332702cc7e3b05b41f2228ac54844c8bc3767. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/GBKQU1453805.
Patrick Podage Presents Authentic Steyoyoke #004
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf881042fb1005c827cd26565f6f633b20e5a792c7d133dd567f18f61f38904d8. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/GBKQU1585190.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbfc562e72a2f5c48796c81db762f63a6469988f2d1e33a000309ba595aa92bd1. Chain 2 (Bitcoin): anchored in block 958461 (2026-07-17T23:18:11Z), 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/DEKB72070575.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec586a4c10be477f2d0715fddd2247aa79232b25734767fd35f3041af19bd068. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/US83Z2471845.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x688f8bff70a42d39fc09feec3ac77d51a42acb06ad192c0604bf88a910d2d934. 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/US83Z2405266.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c76da93dd888d4915564fb5152eeb70d720b84a1f0d8aeec193ad5941f38da1. 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/US83Z2486795.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeec61aaab5b0acc75954afe1bbe5282db850e1147d7908164645ca3c959f1114. 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/US83Z2477317.
Out of Game - Ian Tosel & Arthur M Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36015fbbba2e4b58264806f60c42e5143bb297625abe0da869eb90a86a082bc1. 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/US83Z2400560.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4eb956526db3526efc0519fd2542fa328295892bbae9dd1d18b41f67d1bb45ed. 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/US83Z2483878.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3baa3835af43cb7d4dae7af33a933ba3a96215e25a2acd4298900cd13bffeec3. 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/US83Z2206137.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xada8ef84af23011d231f517ec8b1856f066d35e0c543a6b3d73a30005441478c. 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/US83Z2331301.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd8faedfce92248944bad3f5946802f4ba6a3b0c506f2e82f9748604d5fec92d. 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/US83Z2242399.
City Secrets - Mar G Rock Remix - Radio Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68c56f64d7605320ed27a0d33db0cb8349504e9e745ee82b7024414daf3e5af1. 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/US83Z2309372.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xacede6b7ff36bd2df185a074e4b0a0ee4c58515aab71c2d464449ce66d0d0c4d. 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/US83Z2492763.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3faf92cd21e36b29fd64561706bd64a8caeee260aa42a0d3fe30497d216b6a8. 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/US83Z2495074.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1d9e0709bdd16429eae58f28dc13db234c1aaff6aa68038de2bb63ce6a62094. 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/US83Z2232784.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x613d2d46e999c5c6c950184f0b8065d9d3d45b5dcf8309fe36c682426af43928. Chain 2 (Bitcoin): anchored in block 960250 (2026-07-30T11:13:28Z), 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/US83Z2484789.
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 0x3edd87cdf99403e213622402a667ccfcf9b78087348cd74f7d7570f2fd31d78a. Chain 2 (Bitcoin): anchored in block 960370 (2026-07-31T08:38:45Z), 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/US83Z2482753.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf495553826a5263a3a5b7fbec136ad6b77bbb3fb6949cbca67f3360a5ff91ef5. 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/US83Z2343458.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb4bebae2b0bcd89053a19f13e071c2ebaefb61de9a3cc73345772c8f58ca963. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/US83Z2544479.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3ae49d875376235a7cd8e57ff47815d2c4135224cba7baad5b367441087d6e5. 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/TCAHP2333642.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a8c4e43d32b4c3b39d7af32f4566020f055ae45b80d531a06375a9b90341ed3. Chain 2 (Bitcoin): anchored in block 960170 (2026-07-29T23:52:38Z), 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/FR2X41774141.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf18f1bc3f10cc8e48aae91fca96c1ae4447cbcf8b3e9e7a259a07884a953197f. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/GBKQU2021410.
Don't Get Mad at Me - Patrick Podage Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x141152cf08036ae02ca44005b819bf3f57e5e29bbe3e54caa21b16b94aa8996d. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/GB0501500091.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d1da80519920b279ce646b4a8a12e881afbe87321aab7442f983b04a4bae60d. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), 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/US83Z1449691.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb839fc33af5e255092d5172750297233529f2b896fa7600a9a5335ad623a84ce. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/TCAGL2216574.