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 0x160d98b369c0af12a96435a93956418fa72f2337a83e3568bc85dcade93cd9d0. 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/f4449870-05dd-4520-afb5-54e14ae21aee.json and https://artists.proofprofile.net/proofs/artist/f4449870-05dd-4520-afb5-54e14ae21aee.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 0x026312155bc50f34fbe3a4c8c7d06f8702c5f032e7b71205dd143839b382efdc. 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/AEA2L2232058.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf933af5f7f079293aed22e2d0692a5e69977f97976484f584e6a22bf43ca06e. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/QMBZ92269319.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80c17b589dac45141648539c77e04112610b6724c39cfdaef7290f707d2963e7. 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/QMDA62206402.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89c4648aed7fe695c81964d778647fb06480a59d8eec9f21faf3dd4693ecd8f5. 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/QMDA62299145.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0aa9a594be646fe01bf9aea187ed71077a1e55f88ff1169b4dfcb1fc437cae5. 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/QMFME2238899.
I want to return the past, understand me
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ae30287579fdddfa3e664ff63f1fcf1102561df40f0f36d7e198ae605ccaafa. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/QZDA52314449.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ae1bb9606e0febe281e834cc82ecadfe13e9d65f2c9fabf2ddcabb534b66ef4. 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/QM6N22316224.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x751b8cd5daaa7accaa75887a92e96b756b5ee0b88903bd1cc5eaf97234ac6850. 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/DGA072384381.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd8c70581b8ed75c0fd89da3af7e25aa223ce863d28b40bd68a830d95a256622. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/DGA082391457.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2b91a161d66b5df82d04d02d0ed2f50b788f378309b53cb0d7e464b4e7c79d7. 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/DGA0L2380559.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2617707fdf6a145ebd6d2f4e9e57c9dcaefe4fa764143aaf3f5f1a07ec5c716c. Chain 2 (Bitcoin): anchored in block 958749 (2026-07-19T15:48:23Z), 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/QM4TX2452613.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54d4223abeeab0432b1fe8ba5a142d19213bea7dccc8523e17c11221d784c8d6. Chain 2 (Bitcoin): anchored in block 958905 (2026-07-20T16:14:34Z), 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/QMBZ92419998.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe81bd976c6470942b48b1cc6ccd019afe69a2a260b9c08ee20058974f2b49a65. 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/QMBZ92416859.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82c2ccbb5ad5b477122b710e66fe3bb030a6e04f738bffd64a129cd2e997a029. 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/QMBZ92416860.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1d170eb3a4840097cd725ffdb7ac341143821cc3d5472d0e2218646f75a2667. Chain 2 (Bitcoin): anchored in block 958991 (2026-07-21T10:04:40Z), 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/QMBZ92416750.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae040399f47bf02619c3863193dca2930694c93d3104e3ffee57a226be424217. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/USANG2462097.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde474c63f8f9fbf0aa50f13cbda43d0a10a24b6d4c290f0758ea890a4967488b. 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/QMDA62446301.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa29ae220d17b0cfee484062ffb83ee7dfa1aadd6652ad995f94e7d6b7603805d. 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/QMDA62476732.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1779e71bedd58deed0e48155a78aab8a7072528aaef055937cc0a689b94f6790. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/QMFME2462337.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x656d2a82f322dfdae8e6d572cdf89586e28775e6afbb314ebe16ace95b9368ed. Chain 2 (Bitcoin): anchored in block 958152 (2026-07-15T13:55:53Z), 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/QM4TW2551853.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x643c09aa6ce42c9597152c2e8ceabc3f3f9d941d67b25e050d01c85949b26293. 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/QM4TW2551903.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc725a5ea67dd0a475d5ba87f4d44cc4ada57dd96c0cc916c026c19d500cdb56a. 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/QM4TX2517171.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc04d8a3b19b752830c892ff6ed2b39dc12ffbcd2e183996f4bb8d6eb67271382. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/QM4TX2552139.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x322e4939a07be1927942bb862eecb25a97bdee217b56f73955a21dc522d5b7a1. Chain 2 (Bitcoin): anchored in block 956745 (2026-07-05T05:33:35Z), 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/QZK6P2536978.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0898d2e9b0ddf6e8d8a8a2b1bbfd6c7c0c56032fd24f4f1a3b80962e5c61fc34. Chain 2 (Bitcoin): anchored in block 958567 (2026-07-18T15:22:40Z), 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/QZES62543320.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37ca1a6b9cd1aade7904bf6d2464022b37f24c1d12da6f9f745abfa9db8950ea. 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/QZES62543321.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff8cf6e3f137bed32973c34578361987ecfa4c159df0d0e75ce425d532c1f582. 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/QMDA62568874.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa26180d7af0dfb31c20a2114666a8900ba654a8e6aed26dd7b2ed716aeb3dd90. 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/QMDA72582898.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1fb26c2bfbd3b69d811c59b647ee3343765715953fa3ad76a17b02f380159a0d. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/QMDA72582899.
11 MOAR HARDSTYLE DNB DUBSTEP MEMPHIS AMBIENT FUNK
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74f3b4851a8d40118c25807c8abdcb2490ee82519e4d16ab3394154e818f0e48. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/QMFME2502448.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf1af395b8b4cd02063c8aac23204f37ae84b7332d30cfadc61ab870a3505a0d. 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/QMFME2554409.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce7b882084be7243656e8ca9466ec5c852f10e8bb8afba6fb51ad216cbed44d7. Chain 2 (Bitcoin): anchored in block 958903 (2026-07-20T15:22:45Z), 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/QMFME2583170.