thumb|200px|Ablation near the electrode in a flashtube. The high-energy electrical arc slowly erodes the glass, leaving a frosted appearance. Ablation ( – removal) is the removal or destruction of so
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 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 0x9fc098df6bd4d2bd159807ec4d65316a019c92cf15cb3e6540915d565ae772d8. 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/cbfadd9e-482c-43cc-aabc-8a3d7692ff79.json and https://artists.proofprofile.net/proofs/artist/cbfadd9e-482c-43cc-aabc-8a3d7692ff79.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 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 0x9dfe7d300e7a29ab23435823be668b608064dd79ae7504266d21ad246a2ea0c9. 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/SE5IB1600666.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3bda8fcdf49592027cba1c7145586c1e823086b6893fd87d1d744c9d9d30ee3e. 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/SE5IB1600667.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40fdf26607fdd4ebbe015d15b8bda7ceea8a5c1675fa6f0c6ad6647622085dc4. 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/SE5IB1600670.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d9d084cf8d814f68e50a91d7bf4fdf8bfdc6997a770e0f6458c2e2e6bd8cffe. 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/SE5IB1600659.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01dec1b44a639521eaf6dd6cd317ca4cddd9d96d1fedd198ea8b92de05b115ff. 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/SE5IB1600661.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x874e487b422c05dad21e1d685f4e3d58e322e270f3f5e134dc99210065dd6489. 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/SE5IB1600703.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3aeaab38631a0efdb007074302ecda4d9a09f4cb69d861a0f774c165ffe0535d. 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/SE5IB1600704.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7dddcecd34ae953a6c868f4abce704bc765d606c616ac265c05fd7981c17a87c. 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/SE5IB2324703.
Box Fan Haven: Harmonious Melodies for Rest
Blissful Resonance: Box Fan's Sleepy Serenade
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf00f23a99d88c706cf450d94a42e0fd7a0543440139a2297bc3c67008b3e55ae. 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/SE5IB2330627.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a39c62c4cd76f68116761e733f559398eaae4dfe36184772dbb6875e4433c5a. 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/SE5IB2330631.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb64bee676db891d5f3a205a200bf0e20b1e32c4a5b68b39d4eb5f2d5ca20f69a. 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/SE5IB2218018.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff2b84913261bbf493e36915a5bce0e092b476ec62905b4c2e9c85a6ec1db316. 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/SE5IB2218019.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26d4536aa36c2757791d9b2cb164d7f3aeed964a9ca2267f3c89fa29ebee0c71. 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/SE5IB2218020.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x19f65df4cfaed83a080abe40cd668329876f11dcc774ffce176d1c525e3147ec. 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/SE5IB2218021.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f2d431d5a618011ea6f13bc61731ec40862077c178b07051f89a4437b0853a9. 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/SE5IB2298805.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24a9ba7ce698dbb2de63055c434f91aa7a0ce85c93e7e4e05068a70dc9a54925. 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/SE5IB2298806.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c752758c77de4f44b0f792311fddf7e7c020d0c8b96b5fe972a917cbef5a833. 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/SE5IB2298807.
A Gentle Thunderstorm - Loopable, No Fade
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb008ce9587a40d2ff13f43a64a0c0b1b14276c0ff9cad6811970373a7208cbdb. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), 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/DEUE22376744.
Heavier Rain Fall with Thunder - Loopable, No Fade
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c1c0726e81ec4a57a0edc822c12058be71658b288c4de18db550426576d434c. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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/DEUE22376749.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c752758c77de4f44b0f792311fddf7e7c020d0c8b96b5fe972a917cbef5a833. 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/SE5IB2298807.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24a9ba7ce698dbb2de63055c434f91aa7a0ce85c93e7e4e05068a70dc9a54925. 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/SE5IB2298806.