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 0x1e4263ace6fe735461cdccd8faf4b86f7804cc1d465a94730dfbd71a4046c722. 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/6162ee70-fa95-4e84-81ba-d8e5f8b4ebaa.json and https://artists.proofprofile.net/proofs/artist/6162ee70-fa95-4e84-81ba-d8e5f8b4ebaa.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Concerto in D Major for Guitar, Strings, and Continuo, RV93: i. Allegro giusto
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 0x8883fafcf2027b2f2061fc89ee96860ff64f30517270292b4d5440645f66887d. 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/USKO11300641.
Concerto in D Major for Guitar, Strings, and Continuo, RV93: iii. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0662ecbfdb4f488c060dc905f593178c5740087230f6b7e351558e5ea6b04688. 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/USKO11300643.
La Cetra: Concerto No. 2 in A Major, RV345: i. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x644e804bc576a78ebedff036585ab768140603608fe28e3e26a5c610c8158284. 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/USKO11300650.
Concerto for Viola d'Amore and Lute in D Minor, RV540: i. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b387232c315e8b13b591ae292cc91b48adf70f0e966b4db1aa2ba4beeb0c8a7. Chain 2 (Bitcoin): anchored in block 960468 (2026-07-31T21:25:57Z), 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/USKO11300644.
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
Concerto for Viola d'Amore and Lute in D Minor, RV540: ii. Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6fec1ca4ed21e52347644602f7d591b1e9d793d335ea9819a7236a035bb8b037. Chain 2 (Bitcoin): anchored in block 960276 (2026-07-30T16:01:17Z), 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/USKO11300645.
Concerto for Viola d'Amore and Lute in D Minor, RV540: iii. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x838062a8c0e6a7697816008df055f78fba60a2daad3a8399d01ef243872caf2f. 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/USKO11300646.
La Cetra: Concerto No. 1 in C major, RV 181a: i. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfef053f35f715ccb173095da776f513a6f99122a6ce29b6659e5da8cd6ea9f3d. 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/USKO11300647.
La Cetra: Concerto No. 4 in E Major, RV263a: iii. Allegro non molto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb9d93c01a4ff8bc29067c7c567ee4141d9d1da4d70785a83bca4fee048cd055. Chain 2 (Bitcoin): anchored in block 960247 (2026-07-30T10:42:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USKO11300658.
La Cetra: Concerto No. 5 in A Minor, RV358: i. Adagio - Presto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86fb18edb771bc29850e96ceeb7ebab2da5b52c3ab7ca53525d42c87209f7f9e. 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/USKO11300659.
Piccolo Concerto in C Major, RV443: ii. Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b22bec0c1bae7c2596ea7f8646f3d2694058a166322286aa63d315a6569e987. Chain 2 (Bitcoin): anchored in block 960108 (2026-07-29T13:09:35Z), 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/USKO11300684.
Violin Concerto in G Minor, Op. 82, RV 315 1
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3bc7bd64e2b48fdc5d1e1a5f267ec921ccdb45de78851f1f6fe7da97588d231a. 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/GBBXS1166096.
Violin Concerto in G Minor, Op. 82, RV 315 2
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5689b5bac078ea2c372e343e3580e7815a58525ae5aede43ef5feb4d49220534. 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/GBBXS1166097.
Violin Concerto in G Minor, Op. 82, RV 315 3
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0fc6ae0ef79e46e20dab13a4b845e6dff0c5b481440f82275876912c4dee1890. 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/GBBXS1166098.
Violin Concerto in F Minor, Op. 84, RV 297 1
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ba200aed94736f4fe1ad336aaf1fa44c21ff82e4468744ec90e0910fefdc6e2. 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/GBBXS1166102.
Violin Concerto in F Minor, Op. 84, RV 297 2
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa02624069041069298d90614c09d30608af66fefa8033797c76ffb2aa8e5a287. 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/GBBXS1166103.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec2cc9261b36795aad57ae42e1fd96cc5395dc128c6ae47731930f7fd8d1c5ba. 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/GBBXS1166105.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a4897a6cd2e8c5db79c655340322615f2e3b1a553753439dcf060d6325aba88. 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/GBBXS1166107.
Sinfonia in B Minor, RV 169, Al Santo Sepolcro 1
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35a1604acdfce3428a58d1c603b9fa247c427d59a387c4bf74871cd3ce80df12. 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/GBBXS1166108.
Sinfonia in B Minor, RV 169, Al Santo Sepolcro 2
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36794893aff24515224416defd8b96905851f13812de33264d9fb34d51097644. 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/GBBXS1166109.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd9ec4e1bec07cd574907de1e2e577d24983e35f076f87b8643f35ada3ed33d0e. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), 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/GBBXS1166093.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc67d3ca63c054cb8b96b56357308341610b0b83cf8b99c4b5edbe26a5c4b82f. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/GBBXS1166094.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x974c346992b4b9fcf46f5b86f19ba838d852d1f37d2c1bb3ec64ef2064f1653f. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), 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/GBBXS1166095.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x049371d8f8571bb8b5ad02749578ee552408309969cd5227bed6dc1de369d8f0. 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/GBBXS1166099.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5fa9a6bebbd2c3c339ec91149f8f730dca54afcc5f43918402a345ac80d28bd6. Chain 2 (Bitcoin): anchored in block 960403 (2026-07-31T13:04:34Z), 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/GBBXS1166100.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1842fa78aa66871a181c949b704a4b195aad98b8cce0b5b9cccd3e4735874afe. 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/GBBXS1166101.
Violin Concerto in F Minor, Op. 84, RV 297 3
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0ca4a6914a71c4e6358e2f4cc1de86102e07661d4a9ac5767f97677d730f24c. 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/GBBXS1166104.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf5ab603ba8f39236d5377ff233ea4fa21a4dc2f2ee589fdd4a95c81e8eefd4d. Chain 2 (Bitcoin): anchored in block 960473 (2026-07-31T22:27:44Z), 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/GBBXS1166106.
Sinfonia in E for String RV 132 - 1. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30f11b841e3b544dc25f0c47944b2497d03644d0c80263d1de7118d52263ff54. Chain 2 (Bitcoin): anchored in block 960435 (2026-07-31T16:33:26Z), 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/GBBXS1166110.
Sinfonia in E for String RV 132 - 2. Andante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0b96d4720863e2550818c67cab765115fe1214c1f561904d1a403edc986ad05. 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/GBBXS1166111.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0916c852c0ba61ca3959d96d89e4067bd53d7b74e34b89d729d66c8057b9e896. Chain 2 (Bitcoin): anchored in block 960160 (2026-07-29T22:48:59Z), 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/GBBXS1166113.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x692c125383370d5e32a5e93c52c1b8070541b74aa2f78a01e5f8c8d363a992c3. 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/GBBXS1166114.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcec14a90869c646510e24dcfa3765d5df4cf0fd409ee8a47144b27c67acd2f46. 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/GX4R52433027.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d27e4660f29749acd7d087e0f3938faeb12756bd966849f565ab3ce80eb8f44. Chain 2 (Bitcoin): anchored in block 958180 (2026-07-15T20:34:14Z), 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/GX4R52433998.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53cbf022679543df3cbfda72e7208467f241736df60914cfe5d34f60ba38e234. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-17T04:23:04Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GX4R52400707.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65f5e8b357fdec916d12e1ff0cbf585918614249aafecc71b7236296f7d9138e. Chain 2 (Bitcoin): anchored in block 958448 (2026-07-17T19:49:21Z), 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/USL4Q2433531.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10586c5d1051bc595c5a8d50872ddb2a6547495562293689e9ab6a8fba74cb05. Chain 2 (Bitcoin): anchored in block 958180 (2026-07-15T17:59:52Z), 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/QZHN32547191.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x907c3b6fc8551007206f01837f500a33e34507ee41cd1a6c7be533d850f331d8. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/QZHN62532993.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25dbd483c1ae1c0241a244a0c2d3a485e291f88dcfe2c0b0466bb19da9c7b175. 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/QZHN62532994.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09431d72e1c6908a0e093dcbddeb789a0f7afecaa43f1236a79e9266a4abc584. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/QZHN62532995.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c0cc2f5d7ceeef2699a14630898bcc37e3ec8057a59b6386cf82c898c000e7a. Chain 2 (Bitcoin): anchored in block 958432 (2026-07-17T15:43:17Z), 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/QZK6K2577540.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c75e36187622522d00ee61c73d6282cf3b1103c1a6cf9abbe012f651b0568a0. Chain 2 (Bitcoin): anchored in block 958335 (2026-07-16T22:37:47Z), 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/QZK6H2557507.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe78d23d979d187f4a6ddd74bad755cab0f6d27b80a718331b756a9349e195791. 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/QZK6H2557508.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87d20b710ad74f8244ec4364b68c311104528c313ae7fadde28437518f39c1b0. Chain 2 (Bitcoin): anchored in block 958185 (2026-07-15T18:19:04Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6H2557509.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1429220117ce34988627ebf6d31033715fa95f6e4e82458263bfd3bad19df78. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T15:05:31Z), 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/QZK6F2587621.