Loons (North American English) or divers (British / Irish English) are a group of aquatic birds found in much of North America and northern Eurasia. All living species of loons are members of the genu
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 0x5c174692feadea1ef4f6e13493842f3e9bda059d4a3ee5521a984eab5e44e402. 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/2ec52ecb-3d7d-444c-b34b-284da06dcfe9.json and https://artists.proofprofile.net/proofs/artist/2ec52ecb-3d7d-444c-b34b-284da06dcfe9.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 0x95c758116d9b5433d9937fb00024b41ba7998361ba966c1f93c5dc01212293bd. 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/USEEZ0702301.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73e51129b501ce58a237c72034d3e6ae87df2a3d54b2acea12719dbdb77cc538. 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/USEEZ0702303.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdad7336733bad2daa194cc602d913942fc8caf1a7acbf7bfbdf140b3a6bed3a5. 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/USEEZ0702305.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22886631ca285911a36231f15a73fd073b715202b2430415a62a96c9a76ab1e2. Chain 2 (Bitcoin): anchored in block 960370 (2026-07-31T08:38:45Z), 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/USEEZ0702304.
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 0x20eed9611c89ae2ab9948d4728fd62cf36754837e6d39aaf0eb8ed796d068021. 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/USEEZ0702306.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67a8af05ceb57f0636be9cac40d8607425d7e7b49f8381612697b9953a7bddca. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/USEEZ0702307.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9789a80dbab8ea8c566630a917d42a87e983168236671cf6a726bab710eda85. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/USEEZ0602006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd51f335633850299f5af45e0ef6630abb5bff6d4e13dc0f545d312b6f9eafdfd. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), 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/USEEZ0602002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x269dfec8abec16f439c2fa62d4b06c15f960daa36b384fdaf22e15e1996e22ab. Chain 2 (Bitcoin): anchored in block 960294 (2026-07-30T18:46:00Z), 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/USEEZ0602004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdabd841178574b29c454fff59a1c41c95109b696cb1eae0fb22afa74f190e9ce. 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/USA370667944.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xadc86d6fa5136b8ad68d22750702e62ebdb770cc2239414ca88ee765bf7a4eb5. 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/USA370667943.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda0cab7fed14914432b596708b1cefa10fee2452b11445d323c20eb9ef7dde21. 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/USBB40580092.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc2f2d4e8960956ba87507ad5a692e405e87a8c760ae58d857186760c043a570. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/USBB40580093.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c13a87d77f9056349e76c812e4d3d554b75e35272dadc973631b7a47994a335. 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/USBB40580095.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f7a6c90e2099853f3bff821d402c9825c7146cd643515c1909475d1eb0cb112. 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/USBB40580096.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2abac524295717f8e01645c43370d28fd29ece9856000de859df63d643678c2. 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/USBB40580098.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8704a5fc687d58d4c5c0a66ad414d0ff51930138e0ca21f767761f57be51a193. 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/USBB40580102.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd29f2a308313a2fc9ca22a1ff1c4eec1d8a449fbdc05727f3dce7c6e43787a0d. 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/USBB40580103.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c32076bbe98385f18f766e6573482d938b4b48f35dfcc1a93cd6ea78da798d4. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/USBB40580104.
Can't Talk to Her (feat. P. Diddy and Joe Hooker)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76795344c1ee286d6ae14f0ae09f928835e09eeada642f380f8ca14fde37584e. Chain 2 (Bitcoin): anchored in block 957052 (2026-07-07T14:50:41Z), 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/USBB40580106.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41e060aa769c51f03f909546e4fbd44af9f1e382a1930daf554e3dfa071c163c. 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/USBB40580109.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc3703696500a3a1025177b0d278750dacf511cc1c0b0842b9ec89aeb6313124. 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/USBB40580115.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1493b30fc518d9bd52270a4dcf76dbe9fe873742b9046b78c77852090078806f. 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/USBB40580116.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x246c479d15a14969a62fc888f5c30eadd1e391a80b0fa28ab462c08d4691275b. Chain 2 (Bitcoin): anchored in block 959152 (2026-07-22T16:23:52Z), 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/USBB40580101.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe434fbb32ef7cae029444bb9f50b6a01ccc4e598aa48c60fcfb4839941480ed2. Chain 2 (Bitcoin): anchored in block 960144 (2026-07-29T21:09:47Z), 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/USBB40580094.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcefc39cdbd94e0da1ffef45a7c50ec03563bb50848dd14991eb2c5a254d63a31. Chain 2 (Bitcoin): anchored in block 960200 (2026-07-30T02:37:10Z), 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/USBB40580099.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfbacd9d1894d2a9aa3f9d3f48af5f452b203324995600f96c7237cac31b00654. Chain 2 (Bitcoin): anchored in block 960223 (2026-07-30T07:51:46Z), 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/USBB40580105.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18ae90c23c80821f13cb1ab98eadf143a2b4aecd9e4c99e57710ba1da272d499. Chain 2 (Bitcoin): anchored in block 960199 (2026-07-30T02:30:29Z), 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/USBB40580112.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9482729bca7e0fbbfd38be5537f653b75a6405e2ca5e61be1868721d188c60a1. Chain 2 (Bitcoin): anchored in block 960170 (2026-07-29T23:52:38Z), 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/USBB40580113.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e28851951f364446cc270a6867725cd53b463bae8d7e49db907840d91151deb. 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/USBB40580114.
I Need a Girl (Pt. 2) [feat. Ginuwine, Loon, Mario Winans & Tammy Ruggieri] - 2016 Remaster
Bad Boy 20th Anniversary Box Set Edition
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaec229f0f1821f341b16a12d54ba3c78919bdde8bc9b01235c5f82f64466a4b4. 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/USRH11603412.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76d6e171e2e91c4c8f541b8439fe85c8e23339fb7c51bae6931fceb29bab87d2. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/USBB40580266.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3172be2809555f1fecc5fb57d77d84cd5ef62537513d17a6ee1740e59b3e671e. 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/USEEZ1006907.