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 0x82e88b64ae498aacb60ed210a2c7cb5a3e968ec48a7d1db0a3efd06681a70f5c. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/5d29f88f-fc1c-46d0-bceb-df03e44a5457.json and https://artists.proofprofile.net/proofs/artist/5d29f88f-fc1c-46d0-bceb-df03e44a5457.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 0x5e1c88cc09fc6725ca4538e284c25f4a2947ed2a51c502d5bb936f72e4a8ea5f. Chain 2 (Bitcoin): anchored in block 958631 (2026-07-19T00:50:09Z), 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/QZHN62218843.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06e20c894bba57453ba2b61652acdaef18f14cc50626104c67206df32f5e0bbe. Chain 2 (Bitcoin): anchored in block 958166 (2026-07-15T16:52:15Z), 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/QZRP52202099.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd9ace865b86a0dcd4b5824e7f6633e9d447e12863d03e709d93e7ce4a4cb95bc. Chain 2 (Bitcoin): anchored in block 958228 (2026-07-16T05:09:33Z), 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/QZHNA2345364.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43dcb4a8d360557bccfb3ce86b364ddf095e7c45c1bc8b0ab000a8e235f8cd68. 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/QZK6G2367550.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x29509e07d36577492e205eada6daecf278e73863b39ebc77cec7569b5cac3708. 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/QZNWS2334625.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ec1b08355348495d8c6550891928fc4dac2286446d7f2c8b9ca5d6756638207. Chain 2 (Bitcoin): anchored in block 957891 (2026-07-13T18:21:04Z), 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/QZES82452457.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa243763fc82407858bd038419035ac2fc11643777e4d1e21e7d323198b7ebdfa. Chain 2 (Bitcoin): anchored in block 957880 (2026-07-13T16:39:18Z), 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/QZK6J2467880.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26d6d1cd927e993de7831017ab3c93557cfadca08ee147dc38f29b0190787b5e. Chain 2 (Bitcoin): anchored in block 958197 (2026-07-15T23:22:13Z), 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/QZK6J2467881.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0351920282172f4e4963c8f92401059d1640b1f1e03e0dc0e0106080dd1ab2d5. Chain 2 (Bitcoin): anchored in block 958176 (2026-07-15T20:04:44Z), 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/QZK6J2467882.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa869fe466babe807fb13f0fa294afea781c2150aa940c2be7579e2b7d1200070. Chain 2 (Bitcoin): anchored in block 958627 (2026-07-18T23:33:54Z), 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/QZK6J2467883.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8bca51bbb5187ade668c2cc3ddef7dc6d38484b24fb91440f76a76e6ee4681d4. Chain 2 (Bitcoin): anchored in block 958462 (2026-07-17T23:17:53Z), 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/QZK6J2467884.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7069ad6645180e7cbe2c9b0ec839a91bd54dce72e6cbe6b65c133f2c92ed082a. Chain 2 (Bitcoin): anchored in block 958728 (2026-07-19T12:24:55Z), 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/QZK6J2467885.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x610231e93662ad569b8e11d56985ca9f5f9bf59264dd7915d8a4492e1daa2a96. 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/QZNWS2449109.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10f3c7d92d974805ecf8c4080fe442d7d9f1c28be1d55aea522086495fdda877. 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/QZTB82445382.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x188f1b88507bd7b1808814d506c7963ac9f4acfefd65ad62450b60079f83a2af. 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/QZTBC2452992.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeea0427ab13b34ccf5d44a8138f99618ea126a55717dce5d9ab18de2d414b90a. 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/QZES72405815.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd42c3fcc362c995f18dd143c9c5cbb473b7c7f9bd4a8c2ac1a27559f033b5b55. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/QZDA52433525.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b0d1c857fb0f32a42e4eaacb5414d2ee97771b793fab256d40518a04e562bc2. 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/QZES72405818.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4b6c0555ee10d90b618448b672309167b393aa4ca0f2fdbff6f5c982afb7ba0. 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/QZES72405816.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8585bcec37e7bcd47755ebddae07321d85689acac1acfbc932deda9f6fbfd35. 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/QZTBB2206319.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98ae0669dbc5a7254814513643094d407b4574f7f73293704428794992c74669. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/QZDA52433532.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x913c3d1bcef9f5a9443d25dee3ea627a11778263665dcb1817b6eb7377e24f38. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/QZMEM2389145.
YEAR 2023 AD: NUKES ARE NOW LEGAL (HOSTED BY DJ SMOKEY)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7d17fafe14d6e554a8d0ca0202b610c365518185321d204755af8c46dd57998. 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/QZSYP2390717.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5da1e5d68d527177627447e3a51c2b573980b9b4f00043e519aa4542074e13e. 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/QZSYP2361781.
Less Than What Is Supposed to Be More Than Enough To do That thing
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16fca11a51c36297426b86659bf26276255c4aac8b1a50a6921dde1f135e6b9d. 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/QZPLR2250687.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfdd96ac3e14d7efcd4095fc55b6371e03cc86aa753b7266ad0be3bd0e4657bec. 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/QZMEQ2220486.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc66f76a849057aaba2a057915039bce8db79df8f5e74085d9c4db8034d01d8c. 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/QZMEQ2220487.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56c24148f4c1d5a3b3030e74e2bc6131a4fb51e6e81777afd15aa0e9fba641b7. 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/QZMEQ2220491.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21c043069a95623b2f372b073e23d7e541a9e07c39bdb508a49bfedf8d939143. 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/QZMEQ2220494.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbffba265e4e03249df8b14698fced466ab8e675c068b740d6cd4c737a4023fc6. 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/QZRP42204531.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e861bc2a878de34d411c57d6323970af69f951241f811c6ec71fa380f2fef1b. Chain 2 (Bitcoin): anchored in block 960503 (2026-08-01T03:41:24Z), 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/QZNWZ2280109.
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 0x8787d7ba58093b4b7db3f7901852309cf7264a3012ddea717603d250662e7b40. Chain 2 (Bitcoin): anchored in block 960117 (2026-07-29T14:28:24Z), 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/QZPLS2298863.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64099286e76bf3ee8d7bc2fc0e4f4a7e3e1b24c0c58437dcfad811b1824f721a. Chain 2 (Bitcoin): anchored in block 960105 (2026-07-29T12:35:17Z), 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/QZMEQ2220492.