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 0x78d9b4178c84a3eb865ddcc1cc7ef9cddaabd091c99172301166c63a98bd1119. 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/d0c7fdf2-43d2-4380-94f1-8c185d5045b9.json and https://artists.proofprofile.net/proofs/artist/d0c7fdf2-43d2-4380-94f1-8c185d5045b9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Gimme! Gimme! Gimme! (Arr. for Baroque Ensemble & Saxophone by Bo Wiget)
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 0xf7b78aa124146dca5bb6faae3afd32c515b2d675c1b03537a6f3b83132ec9c6a. 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/DEE472400444.
Les Boréades, RCT 31: Contredanse en rondeau (Arr. for Baroque Ensemble & Saxophone by Bo Wiget)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5686060ede9ab05b22cc5dbe0eab714e64165cdebbc839c0cc97762634f5a49c. 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/DEE472400445.
Voulez-Vous (Arr. for Baroque Ensemble & Saxophone by Bo Wiget)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc04aa44691bbd584cfdd5a5219372fc55ea9f3613574016e7533ba5db11ef391. 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/DEE472400446.
Naïs, RCT 49: Ouverture (Arr. for Baroque Ensemble & Saxophone by Bo Wiget)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5eef84cb7a86673c3d7c31d50c59f23ed84d7fcdc9c35d72503b7eb6d621cdb6. 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/DEE472400447.
Mamma Mia (Arr. for Baroque Ensemble & Saxophone by Bo Wiget)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x807805980b85a15f14dfbb156efc48a41c296782ec083ff73eeb6b66e3dad762. 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/DEE472400448.
Pièces de clavecin en concerts, Cinquième Concert, RCT 11: II. La Cupis (Arr. for Baroque Ensemble & Saxophone by Bo Wiget)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc84838c9b47d4c68cde3dea3afe5062bfcbae86b0612b9ef7bf79e84accc9df. 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/DEE472400449.
Les Indes Galantes, RCT 44: Deuxième Entrée (Arr. for Baroque Ensemble & Saxophone by Bo Wiget)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9bf8d69d6fde6b59efe711deb50afdcfc8e9b47b9b97028b5afa4405bcea2058. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEE472400450.
Thank You For The Music (Arr. for Baroque Ensemble & Saxophone by Bo Wiget)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x932ec508966ae82e0bc55afc42310132c9e3369bdb1376bfe800822af432c264. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/DEE472400451.
Les Indes Galantes, RCT 44: Premier et deuxième Tambourin (Arr. for Baroque Ensemble & Saxophone by Bo Wiget)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4237aa3bc0d5c0013f7a98ce9ce961ce4ed05367daef5b27af8e67beefb716ad. 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/DEE472400452.
Take A Chance On Me (Arr. for Baroque Ensemble & Saxophone by Bo Wiget)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3aa38830972ea55e7378a2ff52c97ec2349484571c8788b62deb548f1e3510d. 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/DEE472400453.
Hippolyte et Aricie, RCT 43: Chaconne (Arr. for Baroque Ensemble & Saxophone by Bo Wiget)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec17f197c81bcc98b0e52ff3ebc9aa4cad0d1e24cb0f4dd4366b3c79064e93e6. 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/DEE472400456.
Suite in D Major, RCT 3: I. Les tendres plaintes (Arr. for Baroque Ensemble & Saxophone by Bo Wiget)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c9107e85c5b1a5b9ea2cd5c9dd4beb96fa5e22334ae94c5ed141ff4bb5205f5. 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/DEE472400457.
Dancing Queen (Arr. for Baroque Ensemble & Saxophone by Bo Wiget)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4e27476af7653d94d2f26247af4add2fcf77b66c2466549d2e2b934fd56a5e0. 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/DEE472400458.
Hippolyte et Aricie, RCT 43: Première et deuxième Gavotte (Arr. for Baroque Ensemble & Saxophone by Bo Wiget)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc37d4de27f9885fc064faa8e03be6be107c512ac10fea6132b8583db0f76dbbb. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/DEE472400459.
Lay All Your Love On Me / Loure Grave (From Les Fêtes d'Hébé, RCT 41, Arr. for Baroque Ensemble & Saxophone by Bo Wiget)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7d52b8fe4e351bde0da97f7bfafc7d963ab352f74ef5911d672a42d3b35df9d. 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/DEE472400460.
SOS (Arr. for Baroque Ensemble by Bo Wiget)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe927280787b8df774c353c5151c14481e77560b4068606ddee9b7c8923037c5d. Chain 2 (Bitcoin): anchored in block 957819 (2026-07-13T07:53:33Z), 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/DEE472400461.
Les Boréades, RCT 31: Entrée de Polymnie (Arr. for Baroque Ensemble & Saxophone by Bo Wiget)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5480fd98de1a5d2dd8f3614ee472af4955e8d90ab17c6ea2df04fc196afaf1f5. 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/DEE472400462.
Waterloo (Arr. for Baroque Ensemble & Saxophone by Bo Wiget)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd228f877e22562f7f67dd0ac4eb7ee1d5e34fd84e706ec446789e430b80ce51d. 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/DEE472400463.
Les Indes Galantes, RCT 44: Les Sauvages - Rondeau (Arr. for Baroque Ensemble & Saxophone by Bo Wiget)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3db6e7af85e7d4f2b6656b974a537404999a5565160111c789047d46928f729d. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/DEE472400464.
Money, Money, Money / Tambourin (From Les Fêtes d'Hébé, RCT 41, Arr. for Baroque Ensemble & Saxophone by Bo Wiget)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57a23d7b79a8c40f3434e2720e9192ae1a80f0fd7205a6a37c5a0a6c95e046a7. 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/DEE472400465.
Hippolyte et Aricie, RCT 43: Chantons sur la musette (Arr. for Baroque Ensemble & Saxophone by Bo Wiget)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf034161d02ceee8ac485177f3410870ecdfc8afcde537a49d2fbe49e9144a903. Chain 2 (Bitcoin): anchored in block 959132 (2026-07-22T15:38:44Z), 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/DEE472400454.
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
Hippolyte et Aricie, RCT 43: Rossignols amoureux (Arr. for Baroque Ensemble & Saxophone by Bo Wiget)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40b8af9475eea89884c08833e98b81d5ce6ede1ff3826aa83a7ac17adb9cb155. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/DEE472400455.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x60d37b9c000516d4fad6f6cfd0b2aada9b2de962d279d2c89b63e27f971fe937. 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/DES382178001.
Hot-Sonate: I. (M. M. = 66) - Arr. für Saxophon und Streichquartett
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d26ab574d086566e3f417fc5d06aa96c7407c9ad27ddee9bf5065169065f259. 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/DES382003000.
Concerto for Violin, Strings and Continuo in A Minor, BWV 1041: I. Allegro (Arr. By Asya Fateyeva)
Württembergisches Kammerorchester Heilbronn
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3d81cb8d2935972645142a1c848ee996dd383ca950f61eeb07aab33e32797fa. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/DES381648005.