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 0x4bf5590bcf49a4ea982401cbc901bf0693ccb47845cdfcacc2c3bbc76ebc2233. 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/eccc8b23-a6a3-4f34-b06f-8ef528a33abc.json and https://artists.proofprofile.net/proofs/artist/eccc8b23-a6a3-4f34-b06f-8ef528a33abc.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 0x458c8c723c82dd863dbca27693fb1c313d6e58af529626e6971748d3b7f60e63. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T22:04:11Z), 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/IDA391300014.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3f24a5164c5485c8be42d886157fd40392405e1de210c46d3f17bd477c07209. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T18:49:51Z), 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/IDA391300017.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b887f9496ac3f499e76fb940b8997398902d60b91f07d320568c849741ac08c. 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/IDA391300018.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae95cc9d7588d6b6e814f1c53e6e0612a38d22a77fac62d8ea47dec385b1d62e. Chain 2 (Bitcoin): anchored in block 959061 (2026-07-22T00:19:15Z), 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/IDA391300019.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92e2d3237153369242ef31bdc7b1eed9197debf074b10f924e21222017d6fba7. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), 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/IDA391300020.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09beb3eed1e703e00e42cec3034c8e5942d8a8e6bd6abb8a2d96e7f8f6606521. Chain 2 (Bitcoin): anchored in block 958942 (2026-07-21T00:24:07Z), 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/IDA391300021.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a7f9103c169fe8e1b74d5d42f4c509b3c3e69e67d45a160ea4041a0774ff360. Chain 2 (Bitcoin): anchored in block 959024 (2026-07-21T15:31:18Z), 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/IDA391300022.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5fedaf6ab39b5d436f540b971d9fa2919225bea31a0ca7728767e206dcc8acfb. Chain 2 (Bitcoin): anchored in block 957851 (2026-07-13T11:26:33Z), 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/IDA391300115.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ae5e41f803b74479854c6881e0fb807043dbdfb1d2bbbe7b1c49e2511bc1a9e. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/IDA391300118.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8e7d60b6bf19bae128269e519f0c8dc8764c8c861602ef0ac4ae9ce59a47c11. Chain 2 (Bitcoin): anchored in block 958468 (2026-07-18T00:27:51Z), 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/IDA391300119.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b1effad271428f387646b29efb03ac371212bf0a868f8b6de032a9a8f10e961. Chain 2 (Bitcoin): anchored in block 958746 (2026-07-19T18:07:52Z), 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/IDA391300120.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa78394ca7a1e1ae3b8fe67a76867f07f0822f88972ecc20556829b5e2362f90a. Chain 2 (Bitcoin): anchored in block 958448 (2026-07-17T19:49:21Z), 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/IDA391300122.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xecb6426309e71a9ea430818843946df7e495b8ead73f1e1ab1e270c8a5bf8391. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), 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/IDA391300227.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x980e6431b5651d9d5f61db2339c9c5096c2aa878e400d1aeb8ce6a22fa5df545. Chain 2 (Bitcoin): anchored in block 958650 (2026-07-19T03:36:41Z), 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/IDA391300228.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d38ea1f71b9b765afa1ee470413934356a22387417c4d52f9db37093e8f3745. Chain 2 (Bitcoin): anchored in block 958541 (2026-07-18T11:37:54Z), 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/IDA391300230.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5dd67a2201a0cde0af0af801627f274c5b7106c0b5cd7b405ca924e5e48b2df4. Chain 2 (Bitcoin): anchored in block 959065 (2026-07-22T00:45:17Z), 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/IDA391300231.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81d744b592dc0ea81b23526bb118d7a9b6ac471f6f33edd545ffd20843b93ec1. Chain 2 (Bitcoin): anchored in block 959094 (2026-07-22T03:33:16Z), 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/IDA391300232.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ab7d9e4b5cabf3f34ebef043a1ba7759ad0444a247742b5fb95b735edbf84f8. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/IDA391400054.
Allah Kuasa Makhluk Tak Kuasa (feat. Derry Sulaiman)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9207eface60e0e7276d42ffc26dd5cc002d8cebe4925049e496656e1df787e58. Chain 2 (Bitcoin): anchored in block 957546 (2026-07-11T09:35:53Z), 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/IDA391300309.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85441e713e800062c5220c52467292c00e31c30e9aa2cda258957b3e214848ac. Chain 2 (Bitcoin): anchored in block 958907 (2026-07-20T18:36:58Z), 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/IDA392400035.