Myriam Rignol (born 1988) is a French viola da gamba player and teacher. Training Rignol began her viola da gamba studies at the Regional Conservatory of Music in Perpignan. She then went on to stu
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 0x11b38462509dbb1f712b8727743b1ee0f504d14799c14ededd290c8f31c9d811. 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/8386b18e-a16e-4d50-859a-f3fd8e836fc5.json and https://artists.proofprofile.net/proofs/artist/8386b18e-a16e-4d50-859a-f3fd8e836fc5.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
3e Livre de Sonates à violon seul et basse continue, Sonata Sexta: I. Adagio
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 0x18a6e4b0fd0aca856cebd9714fab9f7980a0f2bbc03bebb20b38804b9b46740a. 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/FR50X2202201.
3e Livre de Sonates à violon seul et basse continue, Sonata Sexta: III. Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a51a2f60e185e761110f2c3f3523d2d5b5bbecce290cee239c02b28343840ab. 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/FR50X2202203.
3e Livre de Sonates à violon seul et basse continue, Sonata Sexta: IV. Aria
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09ff0c12f09d0ccde1fdff8f9d6cc88bc86d4e7dfef9cb9b33a6b4a71f675ac9. 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/FR50X2202204.
2e Livre de Sonates à violon seul et basse continue, Sonata X: Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20a8a3102ca76a476c8fcb840ef796e78abe87137151bd96427e0a7656908709. 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/FR50X2202205.
Violin Sonata in F Major, Op. 5 No. 4: I. Adagio (Version for Flute)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xabb84869f2f9341c8932ec3b1b983a6babb5b1d8c64d5dc7ac38473b1e6ea016. 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/FR50X2202206.
Violin Sonata in F Major, Op. 5 No. 4: II. Allegro (Version for Flute)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xecce908adbcd7791ad838738a34a17b243065a39f4a5a6764c5589f9cc830c3f. 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/FR50X2202207.
Violin Sonata in F Major, Op. 5 No. 4: IV. Adagio (Version for Flute)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1fe1b4f501d9a9d7245b57c4e1533702414ab26f67842d3516628619cb4b1943. 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/FR50X2202209.
Violin Sonata in F Major, Op. 5 No. 4: V. Allegro (Version for Flute)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xabe4a2ec19c91f6f52b596b93240c6c39a191455241041fb6c28774abe8f39f7. 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/FR50X2202210.
Sonata seconda du IIème Livre de Sonates à violon seul et basse continue: Andante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x413ac202b878c6aa1b00cb6e74bc78dbe789e40f3b25b8c45d0b931f30e14e13. 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/FR50X2202211.
Sonates à violon ou flûte seule avec basse continue, Op. 14, Sonata 4: II. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x037b2ef1a155adaa3371b3cb43216e48bcd88d2262664c00f809bb32919206c9. 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/FR50X2202213.
Violin Sonata in C Major, Op. 5 No. 3: I. Adagio (Version for Flute)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02c413ae1ca3aecfbf2c8eefda9843db4f9aba717327be38b07fa96722314964. 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/FR50X2202215.
Violin Sonata in C Major, Op. 5 No. 3: II. Allegro (Version for Flute)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c1075015077e389d4c38f47dc9c74fd4229ad1a419e755da7f16fcfb4c61bcb. 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/FR50X2202216.
Violin Sonata in C Major, Op. 5 No. 3: III. Adagio (Version for Flute)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b2eec9e65d0a93010ce4dfed66f55921937783247171fdc402dc0682c06e3f5. 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/FR50X2202217.
Violin Sonata in C Major, Op. 5 No. 3: IV. Allegro (Version for Flute)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc92a973cb712a40ee7765c32a8650a261b9f92e261339f4b4d1bfea69a2bc3c4. 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/FR50X2202218.
3e Livre de Sonates à violon seul et basse continue, Sonata Decima: Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x509607cd4ed79cac51e9eb84a12d36c6d372c32dc570dd63d7da21ed1bee88e9. 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/FR50X2202220.
Violin Sonata in G Minor, Op. 5 No. 5: I. Adagio (Version for Flute)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b80b9fd2c16c1de35953abd707e15c1eea9bcd516de3c7d945d33aeb9f5621e. 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/FR50X2202221.
Violin Sonata in G Minor, Op. 5 No. 5: II. Vivace (Version for Flute)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x163bc89cbc28408836276f2ef3ab57ad7addf8235c8fe38688b7f96a0fe568ad. 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/FR50X2202222.
3e Livre de Sonates à violon seul avec la basse continue, Sonata Quarta: I. Un poco andante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfbe3804b402748f7cb49e0593a27c6be62b629e84d6007b9c1dc32c82d9a2e6d. 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/FR50X2202226.
3e Livre de Sonates à violon seul avec la basse continue, Sonata Quarta: III. Sarabanda
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4832c39d182039ba7fb49b6178b36e07b34bb73890cedbd2a46bbe5ef54629f. 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/FR50X2202228.
3e Livre de Sonates à violon seul avec la basse continue, Sonata Quarta: IV. Aria
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06f47613a5975c0825843fecb18d83ee5741cf261ab297d03e7396be2e260403. 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/FR50X2202229.
3e Livre de Sonates à violon seul et basse continue, Sonata Sexta: II. Corrente
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0522f49b4a39fb578299991762fccf83eda34f6221078705d235127cbe7c14b. Chain 2 (Bitcoin): anchored in block 959155 (2026-07-22T19:29:30Z), 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/FR50X2202202.
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
Violin Sonata in F Major, Op. 5 No. 4: III. Vivace (Version for Flute)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe69b8c29f6ef851f7c846d2c67c627b3007e29e8f98719add8b02f6f3c98d4a1. Chain 2 (Bitcoin): anchored in block 959152 (2026-07-22T19:02:34Z), 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/FR50X2202208.
Sonates à violon ou flûte seule avec basse continue, Op. 14, Sonata 4: I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb4e87dbc6a7d6d7c8b7d0ceca104924a3aa5a12ece7f73328397db5afe987b3. Chain 2 (Bitcoin): anchored in block 959107 (2026-07-22T07:19:23Z), 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/FR50X2202212.
Sonates à violon ou flûte seule avec basse continue, Op. 14, Sonata 4: III. Aria
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7526856e82e93673cac215788a20fd19465d8e62d97ea085aeae0f7b682eee8e. 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/FR50X2202214.
Violin Sonata in C Major, Op. 5 No. 3: V. Allegro (Version for Flute)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ced407c4b7abde8658c11c426394ac4641c3740aba138b53afb23d328d472d2. 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/FR50X2202219.
Violin Sonata in G Minor, Op. 5 No. 5: III. Adagio (Version for Flute)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4be7526214da502eac207aa0aa1d0eec4e242cca7c9bbe576957800dd9036a03. Chain 2 (Bitcoin): anchored in block 960220 (2026-07-30T07:28:30Z), 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/FR50X2202223.
Violin Sonata in G Minor, Op. 5 No. 5: IV. Vivace (Version for Flute)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf970f2ded99ba1b00e6dfc09fefa053c0294fdcaec0763884df8f344475b44bb. Chain 2 (Bitcoin): anchored in block 960231 (2026-07-30T08:33:28Z), 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/FR50X2202224.
Violin Sonata in G Minor, Op. 5 No. 5: V. Allegro (Version for Flute)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x460c2d985131fe23f5f37d57ca2ff5fbb96c76bae987576f812c4834301c080a. Chain 2 (Bitcoin): anchored in block 960220 (2026-07-30T07:28:30Z), 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/FR50X2202225.
3e Livre de Sonates à violon seul avec la basse continue, Sonata Quarta: II. Allemanda
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34c1097d799bfcc910a1501bc2ed345089e39e61036a7e0b5ae9e1947f1a0a68. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), 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/FR50X2202227.
Charpentier: Sans frayeur dans ce bois, H. 467
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13759c6e93d88652a2b9d4e7174f046ebbc34b583f721048fffd0b9a50cfa987. 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/GBAYC2000520.
Marais: Pièces de viole, Livre IV, Suite d'un goût étranger: La Rêveuse
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x838992fceb3f6cae0cb511f9f1ca11a6e4efc53f0b43e2239b5e1d8753869c08. 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/GBAYC2000518.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa18c58c3ccaec5f952ffcf0bc590f619f2e6c7b3bcd4840a24e9231153075d45. 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/GBAYC2000514.
Rameau: Les Fêtes d'Hébé, Act I: "Je vous revois" (Le Ruisseau, La Naïade)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x616cd155ee006155115978d32a738cbbf9bf5671fc69d7321d6a24fa5f81cd1d. 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/GBAYC2000526.