Les Pages & Les Chantres du Centre de Musique Baroque de Versailles
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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 0xc27eb7a734aa895f3afa0274fb9f41b312cd4c89e4370d996f8de0a4a9caa68b. Chain 2 (Bitcoin): anchored in block 953762 (2026-06-15T08:21:23Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b8d64b47-83ac-4d40-92c5-90f30ac5128e.json and https://artists.proofprofile.net/proofs/artist/b8d64b47-83ac-4d40-92c5-90f30ac5128e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Stabat Mater, Manuscript from "Les Menus-Plaisirs du Roy": Quando corpus morietur
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 0xecf3d56b16f2d0b9c4563c95ddd5e06f00e3f08d0504c32caaf26011d3b0e8ea. 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/FR50X1530820.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ef53e88377a813abef77d62c219ecea3e0f94ed5dbb63d8569af6971adecb57. 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/FXR522311703.
Te deum, LWV 55: II. Pleni sunt coeli et terra
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x233a6125957e3f517919e498e34dfb39b60c0ee37759e4d3886125fdfb708cf5. 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/FXR522311704.
Te deum, LWV 55: IV. Patrem immensae majestatis
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e108f77acfe89135ba2a80808edc7a0c1d0776efbf368dae59f54955200df85. 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/FXR522311706.
Te deum, LWV 55: V. Sanctum quoque Paraclitum Spiritum
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b02a42e3632d5320a4cf63d703f5a4d063e7f3cc187783a9ca09b6f970b33bd. 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/FXR522311707.
Te deum, LWV 55: XIII. Dignare Domine die isto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7c02e9505bf91505e7f0a4dbb4b8bdacda251c907a4dc4a9355058076d910ea. 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/FXR522311715.
Te deum, LWV 55: XIV. Miserere nostri Domine, miserere nostri
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce87b921d5d9b1ae614bc08a443aee2e71f63f4aebe7ef9432567a5aab12499d. 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/FXR522311716.
Exaudiat te Dominus, LWV 77 No. 15: III. Laetabimur in salutari tuo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc113dc71baf84709fe5f5ee72fcb66fcc9f5b872cc701f513cb4b63157e0c9a4. 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/FXR522311720.
Exaudiat te Dominus, LWV 77 No. 15: V. Exaudiet illum de caelo sancto suo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa740f3cab43ee12de87d5b7fc2a1c6f7782b6a783d4070a1ef0b59dae4df6257. 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/FXR522311722.
Stabat Mater, Manuscript from "Les Menus-Plaisirs du Roy": Stabat Mater dolorosa
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb44b8cd9ccf30639efa173ede22cadbac9a6e5b38ef4230c87acc58b1f28a31b. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X1530809.
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
Te deum, LWV 55: VI. Tu, ad liberandum suscepturus hominem
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14e055a62f9cef23879625d8a0d07c8ac437071bd00587e4f463450695f6bd21. Chain 2 (Bitcoin): anchored in block 960145 (2026-07-29T21:13:37Z), 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/FXR522311708.
Te deum, LWV 55: VII. Tu ad dexteram Dei sedes
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2df5441edb8f7baae5a4f424e97ef2461cf7076e2e4ad354f71b0fc34adffdda. Chain 2 (Bitcoin): anchored in block 960199 (2026-07-30T02:30:29Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FXR522311709.
Te deum, LWV 55: VIII. Te ergo quaesumus
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a232470966e77b738d9bef6f4165d7c9d45872cd6d026c8e8b60dc52a6027c8. Chain 2 (Bitcoin): anchored in block 960193 (2026-07-30T02:05:19Z), 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/FXR522311710.
Te deum, LWV 55: IX. Quos pretioso sanguine redemisti
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7bf9fc21a491e76a7700f4fd37d0f14bce4fe2b52769036aacc6796d55a79d20. Chain 2 (Bitcoin): anchored in block 960198 (2026-07-30T02:21:55Z), 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/FXR522311711.
Te deum, LWV 55: X. Aeterna fac cum sanctis tuis
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x910860bf281191be6ae5310bb8a792b1344e790d6b469176b2a8eccdc846cf56. 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/FXR522311712.
Te deum, LWV 55: XI. Salvum fac populum tuum, Domine
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x035b5a4e4a84fbc440e37bdde18af33fae306a8a6836870690895b8b984b6dad. Chain 2 (Bitcoin): anchored in block 960163 (2026-07-29T23:20:38Z), 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/FXR522311713.
Te deum, LWV 55: XII. Per singulos dies benedicimus te
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4e865c50e9b4e0b318bb841435a8a321d497d29ced80427743753065ae410e5. Chain 2 (Bitcoin): anchored in block 960273 (2026-07-30T15:42:38Z), 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/FXR522311714.
Exaudiat te Dominus, LWV 77 No. 15: I. Exaudiat te Dominus in die tribulationis
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x950280c1a015acc7d56985203e966161a98935877262d4a92ed08994dd54b78f. Chain 2 (Bitcoin): anchored in block 960266 (2026-07-30T14:44:50Z), 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/FXR522311718.
Exaudiat te Dominus, LWV 77 No. 15: IV. Impleat Dominus omnes petitiones tuas
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7779d20af920cd53417441b613e48aac5909f9b7894e117fcf927fc2c7187f16. Chain 2 (Bitcoin): anchored in block 960240 (2026-07-30T09:57:33Z), 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/FXR522311721.
Exaudiat te Dominus, LWV 77 No. 15: VI. Hi in curribus, et hi in equis
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfbc508097ed94a42abef68b10e12b0a6bdfbdafa5faaa82b9656c0294c642ec8. Chain 2 (Bitcoin): anchored in block 960273 (2026-07-30T15:42:38Z), 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/FXR522311723.