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 0x6629d8b1e04fa0387d89c8ba65c3add5bf3d4d9e7db4548bd516a91067a75e11. 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/9b86f088-8930-4fb9-8629-8ac366c6ad60.json and https://artists.proofprofile.net/proofs/artist/9b86f088-8930-4fb9-8629-8ac366c6ad60.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Music for Ballet Class: Dance With Margot, Vol. 8
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 0xb48bc04c3ef62530a592e1845437c0499392dae4b77410ee41a27dc3faac50fe. Chain 2 (Bitcoin): anchored in block 958346 (2026-07-17T04:09:06Z), 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/USX9P1340208.
Pliés 4/4: I've Got You Under My Skin (From "Born to Dance")
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd89e564d8fe13757c9afde7c0796dd6d8f85ceed18a88499cb8b20ef27f085cc. Chain 2 (Bitcoin): anchored in block 958075 (2026-07-14T22:55:31Z), 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/USX9P1340210.
Battements Tendus 3/4: Are You Lonesome Tonight?
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7bfe5891d2fa6993a49ff1e60bd33d50a041b9d8a310d3b68c39ec1a2c1871af. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), 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/USX9P1340212.
Battements Glissés 6/8: The Band Played On
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4b7e5e2ecdf1445587c75088b2358f544f6c64478265b6f74b5d18ae2d5f85a. Chain 2 (Bitcoin): anchored in block 957754 (2026-07-12T21:26:22Z), 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/USX9P1340214.
Quick Jetés in First 2/4: Rigoletto, Act I, Scene I - The Ball Scene
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a9c64a55ec2576c326eaf9b1783ffd017579480cca6c5a8cb33aaaec6161167. Chain 2 (Bitcoin): anchored in block 958541 (2026-07-18T11:37:54Z), 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/USX9P1340215.
Battement Fondu, Tango 4/4: None but the Lonely Heart, Op. 6
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0dd1fefc2820dbf79dea01ce0497c1e98403ddb7ce00be5819b95f3de0d8ec56. Chain 2 (Bitcoin): anchored in block 956576 (2026-07-04T02:06:47Z), 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/USX9P1340217.
Ronds De Jambe En L'air 3/4: Waltz for Peppy (From "The Artist")
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd36d3e0c1749c52d92ca21dc70a056cdf15865a8c7f3d72e2ddcb9e04bc18e26. 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/USX9P1340218.
Battements Frappés 4/4: Two Ladies (Cabaret) (From "Cabaret")
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6c4b687d751fc271253e0d26f87802b15fe4c5e6e3e0b3867095cdfb5dbc933. Chain 2 (Bitcoin): anchored in block 958256 (2026-07-16T07:22:18Z), 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/USX9P1340219.
Adage 3/4: Intermezzo (From "Intermezzo: A Love Story")
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78244f1c60043472fcd7fc69b6faac29a626c84bbfe20dba3470c4586f60add0. Chain 2 (Bitcoin): anchored in block 958245 (2026-07-16T06:49:24Z), 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/USX9P1340220.
Petits Battements 2/4: Piano Sonata No. 11 in A Major, K. 331: III. Rondo Alla Turca
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaeac6b7028dac35a610eff0a18b4100db382757f46ef54ce93f0c12ff159300e. 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/USX9P1340221.
Grands Battements 3/4: La Traviata, Act II, Scene II - Chorus of Spanish Matadors
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ac5465ef01df4bbb276ef54d8df3a03472340ec7ebda87b06793b03a982419a. Chain 2 (Bitcoin): anchored in block 958170 (2026-07-15T17:39:51Z), 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/USX9P1340223.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x99eab72699ea44f0c3b273f39d7f1040c74700e094f6ec2645cf574d15b5cf26. 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/USX9P1340224.
Stretch 4/4: The Dream of Olwen (From "While I Live")
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25aef9b999975ec14a78aa4013ce2b00d23333cb43ccec654297a8c9787c48e9. 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/USX9P1340225.
Rises 3/4: I'll See You Again (From "Bitter Sweet")
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a65048deb0376d73c096df29d5fa1658418de4a210f58358349eae3260d0379. Chain 2 (Bitcoin): anchored in block 958738 (2026-07-19T16:03:13Z), 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/USX9P1340226.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbaa7e0e0016c5ca9b0b016410c8d99070b31db9cfc18a3878705fd4755359126. 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/USX9P1340228.
Piqués On a Mazurka 3/4: 2nd Mazurka in G Major, Op. 7
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57540a1617e0e9c73eaada1b49f74a2b789cf0018e075dc2508f42daea6a95e0. 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/USX9P1340229.
Lyrical Waltz 3/4: Waltz of My Heart (From "The Dancing Years")
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5efeb6e071c783a5e0c2bc8aa54eed140edb4895f3a33ecb1f70997e45103dfc. 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/USX9P1340231.
Battements Tendus & Pirouettes 4/4: Aint Misbehavin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4e8b10ddcaa2706e36e6705f4648fe325d9ebe5481a41a4b8a8c030ce8cfc31. 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/USX9P1340233.
Adage 6/8: L'elisir D'amore, Act II - Romanza
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76f6597a19330faefc076cf5ea93a99a77a1de1ce800c9fa7917d65cd3c0d1b9. 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/USX9P1340235.
Pirouettes, 2 Waltzes 3/4: Charade (From "Charade") / June Bride [From "Seven Brides for Seven Brothers"]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5320e8eec74d5cf525e7e1640f3acb227cdfe970d6a067197d941c50bddc7f64. 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/USX9P1340239.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6203f8e19f2e95d7e9d6ff89a272fd6cba777df8df56afa4e25c93cab263891b. Chain 2 (Bitcoin): anchored in block 958943 (2026-07-21T00:27:37Z), 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/USX9P1340240.
Sautés 6/8: Invitaiton to the Waltz, Op. 65
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51556e1e8480fad2026f1e395a9c15898dcd898e7073c5314d543e6e3bd9542b. 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/USX9P1340243.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1bbc7c9452d9df53b9a864a7499d5f913cf7670405541c60479a837b2fec04c6. Chain 2 (Bitcoin): anchored in block 958798 (2026-07-20T02:33:24Z), 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/USX9P1340244.
Glissades/Quicker Allegro 4/4: Tico Tico
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75b9ddec8067202bfca6a4f837330a9e9615dddd9ad1bd49d7ef56a109a20170. 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/USX9P1340246.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe24995ef4b2e71c7833d1dd5badce87dbd6b940b38ad67e6d0b7d8a3beb49728. Chain 2 (Bitcoin): anchored in block 958839 (2026-07-20T08:36:06Z), 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/USX9P1340248.
Coda: Turns from the Corner 2/4: Jernbane-Galop, Op. 12
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbbf6388ff7462ab7b263133e25b6b66bed780e455d336edec77b198dc3a8c58f. Chain 2 (Bitcoin): anchored in block 958736 (2026-07-19T15:47:17Z), 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/USX9P1340250.
Port De Bras 3/4: At the Ballet (From "A Chorus Line")
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3189440c58a50cb502644a9d9a05e1c6e59cf67f2218b8bd9aa7f8fb893f005b. Chain 2 (Bitcoin): anchored in block 958722 (2026-07-19T11:03:50Z), 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/USX9P1340253.