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 0xb7dc20f7eeb929b17caee8a206a59003103e3b149520779cd47d6ea53d99e6ce. 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/89645725-5aea-443e-9e3d-55d1b6b2e8b9.json and https://artists.proofprofile.net/proofs/artist/89645725-5aea-443e-9e3d-55d1b6b2e8b9.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 0x910b3cf646209e3feeb75a414bd9735e7cf864554fdcb17088ecf533e8a16400. 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/QMFME1407767.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x989590f106a77206e82161797e216c0a087adf048b904833b74a18f79ef1c3c8. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), 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/QMFME1407768.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6f6c0e023374d436a28d64af9c0139d17fffc5c6ecedf64537c8a8daef5dc20. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/QMFME1407772.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf67d7e153b17d80858d8d563c6ac56fc0c0c751b8cf3bb2909bbc74b3e825f9. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), 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/QMFME1407773.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2dc7a740cc8dd829d57c3be372d889ea1a56407460e4e0e3bb473b71bbe2ac7. Chain 2 (Bitcoin): anchored in block 958825 (2026-07-20T04:55:29Z), 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/QMFME1407775.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72838db7bd41e6aeea52ecfe4e91aa52ef2987d9b88879cefb900e4d4b206020. Chain 2 (Bitcoin): anchored in block 958775 (2026-07-19T20:13:58Z), 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/QMBZ92033875.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e801721b93ec3b6d674019e28888071c4f603aa77199176e6c6bbebf73dc9ff. 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/QMBZ92033879.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9bcc3a460280dc895f18817d1619749d43005cdd340c4fc26d5065e567545ef2. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/QMBZ92033883.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0a0b771983b248a61081e2a0be4676445456e6a32e1a24790c9e3f4d1aee334. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/QMBZ92033885.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd133a2f4418eb267e3f72fab1ee599ec1a6665725cfe51b273ff3994cf4adab. Chain 2 (Bitcoin): anchored in block 958918 (2026-07-20T17:58:04Z), 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/ZAC582300230.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x004ec0f5455e78669b1da704cfe949332558514896ccd80347bc4c011a75a071. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T19:42:29Z), 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/ZAC582300232.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x180872d3e552d07fd7f4ae468762409c6da086569e0aa2623901b04a2150a73c. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/ZAC582300234.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca10510aba5f884c854a2a5559fed3a85eee64cfd9123a308343749f89f0b9b7. 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/ZAC582300235.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59ebdf3138d3d83c0d3c26d5c70a1f12178abe42fb6cacc6192705b70c41d7cf. Chain 2 (Bitcoin): anchored in block 958202 (2026-07-15T21:23:21Z), 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/ZAC582300238.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xecc60258fa6c5edbaa8cace972504d13d4c7d64013a07ec3131ddcd381313c5b. Chain 2 (Bitcoin): anchored in block 958662 (2026-07-19T04:43:15Z), 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/ZAC582300206.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1568bb6e5218d21e9d7b631363554cc3519ede12a2708b30d2c3d79d3756d05. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/ZAC582300208.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51b4c901271ec9ae931519634b0575604375098157477927867a6bef3ae7b321. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/ZAC582300209.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x244097798f68cf4d9fc93345a83c9652fd714be6633c9e288dc0bc03cfc15787. Chain 2 (Bitcoin): anchored in block 959076 (2026-07-21T23:41:40Z), 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/ZAC582300211.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xccf33a68a1bb64d3821ebc230b4c9e357a77f20f37fec1075913412a8bf053c1. Chain 2 (Bitcoin): anchored in block 958857 (2026-07-20T09:45:25Z), 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/ZAC582300213.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5868dc9d3fd49bf78710ad15eabfab52b92bde16701d6bf5f25557634ff2db3. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/ZAC582300214.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38cabf99c02f796cd8692caf0db79a4ea07fa461e3950edef94513fac8e3f50e. Chain 2 (Bitcoin): anchored in block 958234 (2026-07-16T03:46:09Z), 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/ZAC582300215.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb33ea275809c7dcb795c6fe95cdfcf9cf2f1b1687b67f4133629582145f22746. Chain 2 (Bitcoin): anchored in block 958864 (2026-07-20T10:24:04Z), 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/QMBZ92078186.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd85bee47cd57603f680e476e869303da51af9d6c93fb5adf7088d9a710aafdeb. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/QMBZ92078187.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9bbdc102a80c2a558b8a7a6a3bdfaa1815d1cdd4fb9956d8034525bdf75a671. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/QMBZ92078188.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7a784b4b916510dd63bfc45d18b57b9bd4b9c5f83f2dc96a0995cf13034643c. Chain 2 (Bitcoin): anchored in block 958736 (2026-07-19T13:04:09Z), 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/QMBZ92078192.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4253e4d2631eaa3dfca1b17ce996dc55744dda94b7229ff785a89ae597a428f. Chain 2 (Bitcoin): anchored in block 958931 (2026-07-20T21:15:01Z), 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/QMBZ92078195.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ca8850a4f25671cef3b2a3f55b0dc5058737b17612c69c3071cea4ee1df49c7. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/QMBZ92078201.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23aeee898f0f6dedc31662a8cc44f98bed6ffb923c3e5ea5d7e9e96e103800dc. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/TCAGB2280605.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14ae23b9f00e26e9a189a99a88ab1a045610f9d2b31352887524ed5feaf8f6b4. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/ZAC582300224.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa544734ca81b6eae965e8b898dcb23eece6ce8b6c44291d9f4d27b18cda988e. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), 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/ZAC582400068.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41ee4c2291d84721f4ebe0d7c0b2313c8db8fc55520a9462bc0ffba8d633f6f8. Chain 2 (Bitcoin): anchored in block 956440 (2026-07-03T04:03:57Z), 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/ZAC582400071.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x994c7062ffaa3d14de6994303606571be6ff8d3810b9b5b6d8551987fcd6eaf7. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/ZAC582400073.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf12577786e524eb1ef74ad2003c1a0853ff955bcfe27dc1be2b69da962e61c09. 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/ZAC582400074.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2606b906101e0744d994bdea4ddeaea0fc7f71d98d1f8fafbc4f2653c991589b. Chain 2 (Bitcoin): anchored in block 958121 (2026-07-15T08:02:12Z), 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/QM4TX2401595.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2584566778b143d92d7c3981a1d0b546e0e39552066ecb24365044aed8848367. Chain 2 (Bitcoin): anchored in block 958428 (2026-07-17T15:15:14Z), 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/ZAC582400076.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50f61b4267c9b82455f2daa95e50e7dc4aac68a8586b806ebc3f601a4602bb02. Chain 2 (Bitcoin): anchored in block 958736 (2026-07-19T13:04:09Z), 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/ZAC582400077.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba2e49b2cd60666c2bb434dd3e4aabb30686fc8104021dadf5de5f4d0b61c80c. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), 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/ZAC582400078.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22e8c6ce56dbbe63a2a196b70a76afb7d89f8153e9cbc4e5a126a044ccea1579. Chain 2 (Bitcoin): anchored in block 958322 (2026-07-16T20:44:14Z), 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/ZAC582400079.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc753946df3ba6fbeab5e3ffa833cdf772c4d80746e29e68e6ec23cf370609ad. 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/ZAC582400080.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e0ac0fc71cbe070356ff94d9567543748bf8934c197cc0ec0a5a5fdfa5e5fdc. Chain 2 (Bitcoin): anchored in block 958738 (2026-07-19T13:10:36Z), 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/ZAC582400081.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c28ffa590ff19bffb75652f7d0c43b3b0b48002320d0d1579cd5395a6537480. 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/ZAC582400082.
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6863116ffaa76cd0e9754a50f7c6320cee44e018a463c01e3116d326036f9794. Chain 2 (Bitcoin): anchored in block 958194 (2026-07-15T20:32:27Z), 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/ZAC582501480.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd09d96a32c19f991c2007f41981d3d28d7d474603c37d276623e999c0a2d21e9. Chain 2 (Bitcoin): anchored in block 960376 (2026-07-31T09:09:19Z), 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/ZBBYX2100007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2474603529e77b06e83b632272565a43f9dc4bf4f85cc0f9e1a04d28ac2b30fb. Chain 2 (Bitcoin): anchored in block 960203 (2026-07-30T03:35:13Z), 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/USJ3V1474629.