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 0x1b1fc82d7604563ad27aa41b8db3542ea70d5caba77d91533d1f730b6285b6a0. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/31385204-e577-47f2-b216-85efdb2cb531.json and https://artists.proofprofile.net/proofs/artist/31385204-e577-47f2-b216-85efdb2cb531.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 0x43363575203b15b6f2679b0724cc8ecae71d96bb7bc9d15be2d5f4a3a46abac7. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/SE5BU1755730.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x688e7c02f37d8ad170ef917d9bcc4f293317f5ff4ca48017a833b33904d95a3e. Chain 2 (Bitcoin): anchored in block 958746 (2026-07-19T15:36:35Z), 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/SE5BU1732017.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5600fc7afc66c684dcda6f238a14881cd734d3ce4eb3766e7262b9f2cd1ac2f. Chain 2 (Bitcoin): anchored in block 958738 (2026-07-19T16:08:00Z), 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/SE5BU1771598.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d0df43497c94f4200692e0b82f86c444bf58f1e556bc5c834036dcfdc6ca2c2. 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/SE5BU1799061.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7c73cfacbd3c543c5ed46afe596f2ffb534d185e2c6e29a6f2cb659587ab9d8. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), 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/SE5BU1710778.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7ce9980cb4b71097f60eb595b8779cb47b2f3e8b383afda544ac4cd3357ec3d. Chain 2 (Bitcoin): anchored in block 958455 (2026-07-17T21:28:36Z), 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/SE5BU1776894.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67a9a53fb6d9b2d0167611004362fc0f060674b748428d2e09e96f5692d53316. Chain 2 (Bitcoin): anchored in block 958514 (2026-07-18T06:54:37Z), 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/SE5BU1763198.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c24aeeda60270632bad9e00049d3d773589aecd440ab9c1de879a774582f0d5. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/SE5BU1786974.
Mixed Voice Vocal Exercise #2 (on “BUB”)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x387182af8d039a4e9c0646c4ee5f2c7464a973430c68d63fa9cd91ecbe8017ed. Chain 2 (Bitcoin): anchored in block 958170 (2026-07-15T16:21:50Z), 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/SE5BU1788739.
Mixed Voice Vocal Exercise #3 (on “YEAH”)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b08428f6897d2ce5e930dd02e915a136c06e6e268933a593462527d4ab725c2. Chain 2 (Bitcoin): anchored in block 958350 (2026-07-17T02:31:22Z), 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/SE5BU1717224.
Mixed Voice Vocal Exercise #4 (on “GOOG”)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a527cfccc10137a1d1db9a1e950efd997ce40a7d23d0b7027ba66bb7e585c62. Chain 2 (Bitcoin): anchored in block 958455 (2026-07-17T21:28:36Z), 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/SE5BU1746544.
Mixed Voice Vocal Exercise #7 (Big Slides On “AH”)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb6633980690bbdae259a2eed033a13ad7c34af051e6f13b41b4546159ace2c3f. 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/SE5BU1731386.
Mixed Voice Vocal Exercise #8 (Slides On “AH”)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b3cfb3bd9a99b35627839be12cea739a1e01e99a5cbc1fe5627231c340d34bc. Chain 2 (Bitcoin): anchored in block 958742 (2026-07-19T16:18:06Z), 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/SE5BU1740241.
Falsetto Vocal Exercise #1 - Laughing On “HI”
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35b7cfe423768c4c33e273e01f977b7a988e8f0f34ec154582e4e976fa490ba0. Chain 2 (Bitcoin): anchored in block 958276 (2026-07-16T10:20:17Z), 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/SE5BU1778977.
Falsetto Vocal Exercise #2 - Leaps On “AH”
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f07b27fb1e8c63727a1e8015177987a1bfdee63a4bc75644317858ce45d4769. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/SE5BU1764876.
Falsetto Vocal Exercise #3 - On “OH” And “AH”
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8b8d3200a19079f9f1159ac40aa9cd0384d94f0f9dedfd9d660876eeb617ff7. Chain 2 (Bitcoin): anchored in block 958622 (2026-07-18T22:58:55Z), 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/SE5BU1702551.
Falsetto Vocal Exercise #4 - On Lip Trills
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc501859b77acef9bd7786d737e0503c5345b35de506032e23ef4569137ff7df5. Chain 2 (Bitcoin): anchored in block 956790 (2026-07-05T12:31:54Z), 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/SE5BU1759650.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5493fd33730401570ef469a59ab12085621c4b2bf4841a90ef343e5c8b6037d4. 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/SE5BU1713140.
Articulation Vocal Exercise #1 (Mommy Made Me Mash My M&Ms)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87e3b0d5dfe20c5ddc5f1171edb408203c9c1de37b5e406d204e2a80ac815b45. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/SE5BU1740194.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd226504caaa973709c0bc2b153e72dfec5dec662f683ee4880f57c0e47a1552. 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/SE5BU1713037.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb8977af4c21a05e7da94488c2727b56630412b778f5277ddd35389ba71e60f7. Chain 2 (Bitcoin): anchored in block 958716 (2026-07-19T10:15:55Z), 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/SE5BU1731013.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5faca8edbc36f09b2287b5724cb3c4557e7be7b61d6dcd0da02be70cb40339e8. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/SE5BU1748619.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1fe453aa46e96830432b2993f3e18777162e34a4de4de3d98376e590afcb9ee0. 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/SE5BU1703083.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f2067076db4a69a0ca8cebbe3ba4dd26231e6a737596f60d60d1679775375ab. 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/SE5BU1743162.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5214e530c8e4966670589c24e19f5b1bdb269fda58e6b79d438c6a263ba2397f. Chain 2 (Bitcoin): anchored in block 958572 (2026-07-18T15:47:37Z), 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/SE5BU1732483.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfbd1f1118504a690045fb53de3776fa3bf6dd37111ad451f5c66b1ace3227b18. 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/SE5BU1779408.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdefec43a3dc14ad6a8375aeaf1294792b706353a692591849f8b50b571f3c15a. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), 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/SE5BU1779944.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab7ba0f6be5195b3159adbd043f68ae0f7a342020c615dc356bb0a723d2947ae. Chain 2 (Bitcoin): anchored in block 958793 (2026-07-19T22:59:45Z), 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/SE5BU1751093.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6cac51a3a6bcf1984c7219b467f5a0ddfd7a184b03014a8fbb78c72dc1441d7. Chain 2 (Bitcoin): anchored in block 958827 (2026-07-20T07:48:11Z), 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/SE5BU1730744.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x759ebf83ecc35d9d588b3625e5043981da0bfa9647521d28ba1fbd242cda4f64. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/SE5BU1726152.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x684b202f6a278021eb5af5b05f4e863c65c79f2b05d98eca917842df83ce11fb. Chain 2 (Bitcoin): anchored in block 958362 (2026-07-17T04:32:48Z), 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/SE5BU1748147.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76c0999561bd1d9031a7d7fbafb3b4c6030cf4c0867cb2670923e615493bd4cb. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), 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/SE5BU1776921.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x371c4a4f063395ceafe0a9599a49f1309ed20c05a78f5d9bc61e5a1b7665bd45. Chain 2 (Bitcoin): anchored in block 958742 (2026-07-19T16:27:59Z), 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/SE5BU1726828.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3a17df3c1e7c98e556ecc0e9d2350d0062cb94df6c5599b7b453717bccd98f0. 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/SE5BU1757702.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7e1f6d8efd228240818b71a75a4eafa384901f2363b87ac7ac5345414d93c5a. Chain 2 (Bitcoin): anchored in block 958571 (2026-07-18T15:39:25Z), 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/SE5BU1720978.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54004b2605e98a1b3b1648fac36f775f32d2864c1a37ba6ae7548ac454830d87. Chain 2 (Bitcoin): anchored in block 958268 (2026-07-16T08:56:51Z), 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/SE5BU1750993.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff5aed5dfe373ff24dfd9a42cbc1dec3ce6e57a05f94af1907f18c0b43df75a1. Chain 2 (Bitcoin): anchored in block 958349 (2026-07-17T02:28:59Z), 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/SE5BU1712258.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5e6a9f0d8e6b3bbcf6cd5491f2aa987c52bbe92698588e331526568b8750a17. Chain 2 (Bitcoin): anchored in block 958602 (2026-07-18T19:28:16Z), 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/SE5BU1795227.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f674b90302df339043d273cea8f065a647b9ca86c204c5fcc9395b20387cb48. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/SE5BU1744659.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3fbd68ea82093e6214d38b962bfebb657fa3d7f209519dc795f87c51573710cc. Chain 2 (Bitcoin): anchored in block 958079 (2026-07-15T00:21:05Z), 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/SE5BU1833697.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2dbfdbb3da734b567c3970e48818d48de99ccf7813a1d9ee9abc9617cb3daa4d. 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/SE5BU1833702.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd9aa1feec4ca93eb7352d074aa614d9281dbb4bfbc05f795ebc9b656d13c837f. 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/SE5BU1833696.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd1da575c8e69528bd5364b8cde209ebe4a2ba708cdc3393d40ebf514e4c5158f. Chain 2 (Bitcoin): anchored in block 958271 (2026-07-16T09:16:54Z), 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/SE5BU1833698.
Full Range Agility Melismatic Vocal Exercise (Simple Version)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa039f8a6d0125888cb93f0d73d9e4dba271255f68e1ab6e95f45a14e10410f3. Chain 2 (Bitcoin): anchored in block 958783 (2026-07-20T00:09:41Z), 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/SE5BU1833700.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f08d235feb4e0636c4d76e6de03390ea7fc5d3b7aeb4fc836d5aa155f7eebc2. 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/SE5BU1889744.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x60e57f42c4e4e63c2d797bfd345c61b026d7cd3535336dbd92057d6414ab2d5a. Chain 2 (Bitcoin): anchored in block 958612 (2026-07-18T21:29:37Z), 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/SE5BU1889918.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x60e57f42c4e4e63c2d797bfd345c61b026d7cd3535336dbd92057d6414ab2d5a. Chain 2 (Bitcoin): anchored in block 958169 (2026-07-15T18:57:51Z), 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/SE5BU1889918.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x225ac80a689d494319a154e39937e1e2721ffdbee4b4dfb76af237a5a3944f73. Chain 2 (Bitcoin): anchored in block 957759 (2026-07-12T21:46:51Z), 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/SE5751926578.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x225ac80a689d494319a154e39937e1e2721ffdbee4b4dfb76af237a5a3944f73. 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/SE5751926578.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec9fbe81908167b86b0fda45bab003e7cdd853d60581c8bf4789fb4f961cb633. Chain 2 (Bitcoin): anchored in block 958779 (2026-07-19T23:33:58Z), 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/SE5751939677.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec9fbe81908167b86b0fda45bab003e7cdd853d60581c8bf4789fb4f961cb633. Chain 2 (Bitcoin): anchored in block 958083 (2026-07-15T01:50:31Z), 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/SE5751939677.
Daily Vocal Workout For An Awesome Singing Voice
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f4364633da557e61829fa31273dcb774d93031502e3362c899f2640af328e5b. 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/SE6A91917220.
Daily Singing Exercises For An Awesome Voice
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x273ce4583bbe273dedef8cae9c3acb1bf74d409d8b3e36cb1f01aba00b4de5ec. Chain 2 (Bitcoin): anchored in block 958383 (2026-07-17T08:20:01Z), 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/SE6A91917253.
Daily Articulation Vocal Exercises For Singers
Daily Vocal Resonance Exercises For Singers
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f4cffdf192d0ef21491406438c45cd995d2c052767c66659f498e5e10d2045f. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/SE6A91918655.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8dd3fe8a5c48ad29dc5ff5bd3a1d1b0a9b48cfe5cfd8fd19f61fa16eff45a267. Chain 2 (Bitcoin): anchored in block 956790 (2026-07-05T12:31:54Z), 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/SE6A91920116.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8dd3fe8a5c48ad29dc5ff5bd3a1d1b0a9b48cfe5cfd8fd19f61fa16eff45a267. 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/SE6A91920116.
Daily Whistle Register Exercises For Singers
Daily Chest Voice Vocal Exercises For Singers
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f638f85d66b4a769b08b8da28548b34beb4345614852a1003a8ab8089b76c8f. Chain 2 (Bitcoin): anchored in block 958166 (2026-07-15T18:29:39Z), 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/SE6A91997818.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f638f85d66b4a769b08b8da28548b34beb4345614852a1003a8ab8089b76c8f. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), 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/SE6A91997818.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33e2fe5f55782a5fea0ed5dc3303f0d0e02b74b7448d61b88e38a7803d7fe8e7. Chain 2 (Bitcoin): anchored in block 958839 (2026-07-20T09:53:47Z), 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/SE6HN1950496.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33e2fe5f55782a5fea0ed5dc3303f0d0e02b74b7448d61b88e38a7803d7fe8e7. Chain 2 (Bitcoin): anchored in block 958377 (2026-07-17T06:48:00Z), 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/SE6HN1950496.
Daily Vocal Exercises For Singing Low Notes
Daily Vocal Exercises For Singing High Notes
Daily Mixed Voice Vocal Exercises For Singers
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43fd02c42c659f2a999acce13ab3b00600e7159f259d3b8beaf6bb9809ef5fca. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/SE6HN1950650.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43fd02c42c659f2a999acce13ab3b00600e7159f259d3b8beaf6bb9809ef5fca. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/SE6HN1950650.
Daily Range Extension Vocal Exercises For Singers
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a2ad9f496137321dc4edeba287d99e09181e9b4c7574d99b67c9c0a7d6c3f3e. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/SE6HN1953077.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc09f4879002e80c8ba69dce6a1c68b26ca5bccb9210672c5bf62d2d6a2ca42e1. 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/SE6SA2066414.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ba03ebe0e8a29a5b808bc2917beab9bb35573603a6b9831dbe27a9b1cd864d6. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), 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/SE6SA2070195.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1966b5eebebe5373bbb98bc48ea10dfb460b5872492d7adcaf22c1be31fe03ac. 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/SE6SA2070196.
Vocal Exercises For A Powerful Voice - With A Straw
Vocal Exercises To Increase Range And Power
Daily Riffs And Runs Exercises (Beginner)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b017909fd93f28a65d6093c926398dc4fcf0f399db95ce90234c86873d01701. Chain 2 (Bitcoin): anchored in block 958793 (2026-07-20T01:44:47Z), 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/SE6TI2023602.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2805839d22ea2c635a53391a6925f7e5433fb3bdb3d9800580f78534dc0f86ec. Chain 2 (Bitcoin): anchored in block 958568 (2026-07-18T15:23:47Z), 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/SE5752153105.
Vocal Warm Up Exercises : Lip Roll Edition
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b8b9bfe02c8a95af1cd378ce405ebd11790df2588662a735cb02b1f0b7372da. Chain 2 (Bitcoin): anchored in block 956500 (2026-07-03T13:55:21Z), 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/SE6SA2129522.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37cadd35b148e8a6d5d1696f0efeedea0b31486ee282e1a85f33ed2113921bdf. Chain 2 (Bitcoin): anchored in block 958086 (2026-07-15T02:55:47Z), 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/SE6SA2129523.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x623df174e41e24637b5f45d77450a66e6747d2d46d3ad6905f9c9ef9616dec92. 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/SE6SA2129524.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c606aeee2483957b80b2dd56f927e598ace5f907253b562f127084a57b9646d. Chain 2 (Bitcoin): anchored in block 958817 (2026-07-20T06:48:46Z), 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/SE6SA2129525.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c140316f6c716d2af8996762c683ec500bd7f9c5b9a637cc55ccbfc13a87360. Chain 2 (Bitcoin): anchored in block 958765 (2026-07-19T18:01:47Z), 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/SE6SA2129526.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef49535337ac38af2399664cbe75f2cd144684f2ca08132427dae8b461c3361f. 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/SE6XX2103987.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76de5f90e65990dbcf8c3bc00414b5bf00016a06a60d7b2debf16b1b585e802b. Chain 2 (Bitcoin): anchored in block 958734 (2026-07-19T15:50:24Z), 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/SE6XX2103988.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x002c5b93949f3d4134f3a9bb5663d6b6c0d516fb0e9b05ea379658d613f67526. 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/SE6XX2103990.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d4c0e38438dcc8ec943116e174e76dce1ef131323798394228510bdca5cd3f3. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/SE62M2109623.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54a5d392c31ed4ec543867479f74a13ba285c942d0af259cfe6a27d655eae90f. 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/SE62M2109624.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1cf59d0b5775a3f911dc82c57d9e952fa3408982a3d9d327e9445ae698cc3015. 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/SE62M2109625.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6a81ce15616e007a18ce6b0ba044cf625349cfa85bcbd1ccec0927b59ee19cf. Chain 2 (Bitcoin): anchored in block 958901 (2026-07-20T16:32:07Z), 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/SE62M2109626.