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 0xa9651dca1228492c092d1143a635558d3c2fd0d1039dbac11c0c59715c53f15b. 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/a9b6eedb-1492-43a7-a02d-e0884c45d772.json and https://artists.proofprofile.net/proofs/artist/a9b6eedb-1492-43a7-a02d-e0884c45d772.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 0xf9ab3e7590d15c804f8cdc6e6ff4fa347e4a7c906ed6ebc12e54d23365012f29. Chain 2 (Bitcoin): anchored in block 958357 (2026-07-17T03:33:42Z), 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/USL4Q1774946.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x364a6fe1142da9ad7efa25fe07adab09fdc07f8e3d15033807130365e8d9cde5. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), 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/QZHN31911571.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2fb7fcd2b2dce6b90f6dd256cddab9827707550eb107bc45d8d78d2cb1da5bd5. Chain 2 (Bitcoin): anchored in block 958331 (2026-07-17T00:42:14Z), 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/QZHN31911572.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd332b7c8d2b6169b9eb62fecf5c1853dabb1c09e11459abf9e04cc41ac61a8b0. Chain 2 (Bitcoin): anchored in block 958917 (2026-07-20T17:53:56Z), 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/QZK6Q1995371.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0b5311469d4aee33ff2db5a111d61f271efe983425a1d40c2bd826c88ab79dd. Chain 2 (Bitcoin): anchored in block 958357 (2026-07-17T03:33:42Z), 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/QZNWT2030962.
millinaissance III: Our Ancestors Journey
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6482cb8e8cc8d0c74886c4ded6c36b7e744372e071f24dcf89e3886b196b77bc. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/QZHN82233636.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a5353a1f572e71f955a583e075847deb617130832c1bf7ec859fcd9c0a18922. 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/QZHN82233637.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b5c4e3ec8b4b46e3bac57251626e6044b3b0a3b7c1806d18ce99965e524575e. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/QZHN62280075.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9994d95f277c9dba2150348911cc1ac175f7d9a7bf82d3cb1f90459d0f4c602b. 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/QZHN82233638.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd9dd388e739cfd62aaf058d7937cf6a284a5201a5f61a8f0d065292d68c317bf. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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/QZHN82233634.
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 0x9a2c0558f71198e789e7e61ea0dfa7525563673d3f9f992dd4460ac31065ede2. Chain 2 (Bitcoin): anchored in block 960193 (2026-07-30T02:05:19Z), 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/QZHN82233635.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb9a0bf459ef09d1aa7138f1911767c76b43c4a8b7240442fecce0f19256490b. Chain 2 (Bitcoin): anchored in block 960429 (2026-07-31T16:07:24Z), 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/QZHN82233639.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93ef36ddbb43d4f4e49da7811695321a8d87e8cc1de8283ca985f2e591b668bf. 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/QZHN82233640.
millinaissance III: Our Ancestors Journey (Instrumental)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6992daac78abf01648f47dd568c2b3030c156e0dd885c9c951e2bcd8831c84e. 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/QZMER2371781.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8158885a7fa4172b4b3fa749eaa16edb09a88afb3a8914d95e40735adff4a598. 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/QZMER2371782.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54294cbccdc49926a0a6b7d587fb66f2bc027ac15960e4d1b208f335f8f5e05d. 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/QZMEQ2316227.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf082766f95307e69ca09373682b66709cae1b3be5dbd4a5d1e67fda0984904f. 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/QZMER2371785.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf22b0fb68f071564dbb77212602c58929531afb8e8b31e0f4c2631b20a51c88d. 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/QZMER2371787.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43b6732d2df15a88179583381a906d719871f92a72103afe08310112a3f5e7b4. 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/QZMER2371789.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00f663fd77a4242a0a9ab6bc389beb52715f2ec22e5549df25f5da7b76410d0e. 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/QZMER2371790.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x686bac4db6653980a6e0af67a7147382bd848bd742ad9c8be1eb9b49935fc3a7. 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/QZMER2371791.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x685728dabd4706b0ba652185a730600970a319718dd3882bc8b310c893048aba. Chain 2 (Bitcoin): anchored in block 959123 (2026-07-22T11:35:32Z), 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/QZMER2371783.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9858bcaf8ef18056581b715380a5938ec8c5baf6a29b72121ffb6226135e25b4. Chain 2 (Bitcoin): anchored in block 960266 (2026-07-30T14:44:50Z), 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/QZMER2371784.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfffafd5cf6b0a107c16635468407407f3ca9ffe5ca2c50e30682c200b59f83e6. Chain 2 (Bitcoin): anchored in block 960150 (2026-07-29T21:51:49Z), 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/QZMER2371786.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76d5652a71589a3b2eb3e891c0d771584b986a5ec7ee47ade5939e438a1946f0. Chain 2 (Bitcoin): anchored in block 960193 (2026-07-30T02:05:19Z), 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/QZMER2371788.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb00031f03f61e353537c07ebc2134302c7e0047c4e03e283f8020882624f26de. Chain 2 (Bitcoin): anchored in block 958520 (2026-07-18T08:19:09Z), 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/QZWFG2411948.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4aad020707bb12c8b2e2def4b206a30af17e86cbb44f5e8a4f4746c73ce998eb. Chain 2 (Bitcoin): anchored in block 959061 (2026-07-22T00:11:08Z), 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/QZWFG2411949.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68787ee58ab7b6f860ec5468ab040bf5e81a8019d80d59bfcc909646654b8d6f. Chain 2 (Bitcoin): anchored in block 958988 (2026-07-21T09:08:06Z), 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/QZWFG2411958.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe90120c045cb34b8def91cf1404f5fac39649f5eafd3ad3048c70a75a7e0d9f0. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/QZDA52577361.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1e0c0b1ffb68f45672c7ca3141fb6ce6bcea5652c6ec1518a0fddae4c5692fa. Chain 2 (Bitcoin): anchored in block 958484 (2026-07-18T03:34:53Z), 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/QZTAT2541929.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x049b642f4383e850cb302adfb2dce2fefa7dd932b82c43325fba8df9552d0e25. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-17T04:55:05Z), 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/QZTBA2506606.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe876b1c976134e88315ae81acccee47611c5880ee751c746d9f87e317132c331. Chain 2 (Bitcoin): anchored in block 957780 (2026-07-13T00:36:44Z), 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/QZTBA2506607.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76f20289738d152d76af8716eaa16bd860a4f7e10a408cf79dafc30b24d29f07. Chain 2 (Bitcoin): anchored in block 958110 (2026-07-15T06:57:12Z), 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/QZTBA2506608.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7a4b040e5f1d0b4d89b025b8aa76ee2502f6beff66185c7a56416227f4fdfde. 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/QZTBA2506609.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa33cc8916ba5e25d409e4bd888f6f64a72b25b3e66ff4097155f4b62be09a7be. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/QZTBA2506610.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89ecc8b9e1965726da891031433a2d35c55886f22075e8603b6aa56992d74713. 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/QZHN72599073.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe010bd5e37f1a2b102abcd36ff4ea21db3c571a373d449ebc43d9af5cffbc033. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T20:11:07Z), 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/QZTBA2506611.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa563a0c9fe454610e5c68ccdf373f6e436e65d952b645e9219851eb457882c8. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), 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/QZTBA2506612.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9532375a44e385f04dd501467e4450840d62fe45688200e60b9ca2cdf0c227c. Chain 2 (Bitcoin): anchored in block 958823 (2026-07-20T06:33:07Z), 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/QZTBA2506613.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3eb83f24ab247486ab46890db0008ea4fb992e383373e4f5fae42ce5cb1bc7b6. Chain 2 (Bitcoin): anchored in block 958918 (2026-07-20T20:06:34Z), 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/QZTBA2506614.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13fe8032569a5c0f0c4be42d8f57d61a041e266ca7008dfb5e3a90364850dba9. 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/TCAIF2420929.