Asmik Grigorian (born 12 May 1981 in Vilnius) is an operatic soprano. Life and career In 1999, Asmik Grigorian graduated from National M. K. Čiurlionis School of Art in Vilnius. She studied music at
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 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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf6d31c698b88748d604a4f56ca671430e6d4374df695e26ab9c09f3312bf041. Chain 2 (Bitcoin): anchored in block 953827 (2026-06-15T19:59:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d7e70878-b0a4-448c-abe5-51f89aa83497.json and https://artists.proofprofile.net/proofs/artist/d7e70878-b0a4-448c-abe5-51f89aa83497.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Laws of Solitude. Strauss: Four Last Songs
Orchestre Philharmonique de Radio France
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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20e846c3f6b0e98e4ce2ea3b88e3b0afe752780fd9da27ef788963142aec395f. Chain 2 (Bitcoin): anchored in block 960095 (2026-07-29T11:07:37Z), 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/FR50X2304601.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf27cff9221343679f95b955bedcff1e85e9ee9c774314c2b543f93e3015f7a55. 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/FR50X2304602.
Four Last Songs, TrV 296: III. Beim Schlafengehen
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85e3b6916bb07693972da0428dc4e0cd4381b732d34015ec508d8908c2e81ec7. Chain 2 (Bitcoin): anchored in block 959123 (2026-07-22T11:35:32Z), 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/FR50X2304603.
Four Last Songs, TrV 296: IV. Im Abendrot
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35fc75f6fe97eb4681b4726aa4fa32db166ea876b5d9aa553a45a25c5ccfcd8b. 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/FR50X2304604.
Four Last Songs, TrV 296 (Arr. for Piano and Soprano by Max Wolff): I. Frühling
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2621275b02c460003c129bc1d79d8713b22cd8ee4debef9dbd64f7aed0df8a6a. Chain 2 (Bitcoin): anchored in block 960183 (2026-07-30T01:10:20Z), 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/FR50X2304605.
Four Last Songs, TrV 296 (Arr. for Piano and Soprano by Max Wolff): II. September
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a0ee9cf62e26550fc42cb79b708ed7b8dfe1ec2e4e33b70a4d0566a09db8cf1. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), 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/FR50X2304606.
Four Last Songs, TrV 296 (Arr. for Piano and Soprano by Max Wolff): III. Beim Schlafengehen
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc64751060ff8321b08df3c159c06410eebec19763c85f7a480159a0c30c46a2b. 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/FR50X2304607.
Four Last Songs, TrV 296 (Arr. for Piano and Soprano by Max Wolff): IV. Im Abendrot
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8847dfa4790f6101b119aa483f2d70ed5e2e2141fb52815b256e11f036323441. 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/FR50X2304608.
Symphony No. 14, Op. 135: I. De profundis
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x364afef8453b77eb2181448aeed704e3864dbbd769548e4f3c2f508b3fa9a385. 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/FR50X2291801.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec11f7d06e97e00366e5749e59cf72c0aa3652f08538c1f08e9025cbd3870c4c. 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/FR50X2291802.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x331faa0608c53daf740d72e9fb57a0fb43034586023f0fad3bcc419668a4a973. Chain 2 (Bitcoin): anchored in block 960344 (2026-07-31T04:14:58Z), 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/FR50X2291803.
Symphony No. 14, Op. 135: IV. Le suicidé
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5842a7ecd4c44822342fa8afad4745275b3dc1f190fce212c3eced156a7e2e9. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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/FR50X2291804.
Symphony No. 14, Op. 135: V. Les attentives I
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc15db34260489a87a1a0aa2b7b53cae3cf34d9fd538ef483ebb0bfe75379e7b5. 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/FR50X2291805.
Symphony No. 14, Op. 135: VII. À la santé
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8dc3bedf74fada652814f22cbe0a97358e89d7593029bc6264fea6e8274d067a. 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/FR50X2291807.
Symphony No. 14, Op. 135: X. Der Tod des Dichters
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75ac969bdd21d1573aff6edb2601013454dc713c7e3d2fec8e5b564db14cfd54. 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/FR50X2291810.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f53caeb78282c03a19e01e06fb22e715f22c8210e2aaa4b6d0da0c4ebbb4f3e. Chain 2 (Bitcoin): anchored in block 957067 (2026-07-07T16:54:37Z), 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/FR50X2179601.
6 Romances, Op. 8: II. Child! Thou Art as Beautiful as a Flower
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd58eb3ea114d9c2cabcde75c9e9de050cf3da2d3db3c035b5b1ec329e45e1391. 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/FR50X2179602.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c8a0219f13bf4e5928796608f15f309a2dcfc353e573d7f2e0559566c8ce7de. 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/FR50X2179603.
12 Romances, Op. 14: VIII. Oh, Do not Grieve!
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdabda362a237d7fb2ab4620472d75d232cb9b8a052d6ced27448ae2229dbd17b. 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/FR50X2179604.
15 Romances, Op. 26: II. He Took All from Me
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x047eb1ec243277197f59fd5d91181022c613c8b5cce673c91368e2c9f817fb34. 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/FR50X2179605.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xadabc3eadc889913953eaaf2b7a66c3c115e6b62d117e44e95e79f66250ae663. Chain 2 (Bitcoin): anchored in block 960311 (2026-07-30T20:45:02Z), 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/FR50X2179606.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d1dd113386352b07c421850ac86030309371abda487be261047c72430525527. 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/FR50X2179607.
12 Romances, Op. 14: VII. Believe Me Not, Friend!
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x254be4960a8078e96c5a8032dc327bb16141deb342daae91e7a6e3eddefa7a2b. Chain 2 (Bitcoin): anchored in block 960459 (2026-07-31T20:22:46Z), 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/FR50X2179608.
12 Romances, Op. 21: VII. How Fair this Spot
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x272429271c0e94a6d10f51cf46ceddf421a2b95ad7e8e9dfe7caa523c314af78. 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/FR50X2179609.
6 Romances, Op. 4: IV. Do not Sing, My Beauty
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x018b1a266b8ec73ebb06ccc01b7e25acd15b28eb79a33fc0c7801e4d8dbb8811. 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/FR50X2179610.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25745fd73a083895cdfe3aa350c3a64b27d8bfc63029b931375589094eaa0e87. 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/FR50X2179611.
12 Romances, Op. 21: XII. How Painful for Me
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a30c2135bb95dbd1fc30b7d6f6f66f245d24d8f51a5741b3a3fe2e962d80baf. 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/FR50X2179612.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b35e358bcd2929ebab793a0b934d6ac23793a1dbec7540a0cca74a9384ffa2f. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), 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/FR50X2179613.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf184791b331b0fa76d6e942fee4ecb313dcce49609f0fd5448157147dc306f9f. 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/FR50X2179614.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd858aa08d02f6c34ee4ea8674e78025edea0d2d0c40870803b0854c83d8a02e9. 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/FR50X2179615.
14 Romances, Op. 34: XII. What Happiness
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2113e429c5e8a2786bc20613cfd3fe5042778c0fe5ad7a949f7230cf6a9c679. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), 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/FR50X2179616.
6 Romances, Op. 4: III. In the Silence of the Secret Night
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b914d6c9b241b0288c03d6ea16e9e190ae4dc239bb2a72e6379e13963c821e7. 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/FR50X2179617.
12 Romances, Op. 21: VI. Fragment from Musset
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50aa9d496d6de103c0e3ce519a3bb779951c6a6f282b3779b1fb0618c6ed1f0a. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), 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/FR50X2179618.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e62e3eef7c97d7eff89e27d5ef791ffd99a44bfea2bd2ce6ba82525b773f3da. 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/FR50X2179619.
12 Romances, Op. 21: VII. Zdes' khorosho
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x272429271c0e94a6d10f51cf46ceddf421a2b95ad7e8e9dfe7caa523c314af78. 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/FR50X2179609.
War and Peace, Op. 91: The Radiance of the Sky in Spring
The State Academic Symphony Orchestra Evgeny Svetlanov
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5803ee04b81ae42e345533f1b54b6b81c5fb65e12cafe146eb63c4e03f746bd1. Chain 2 (Bitcoin): anchored in block 960389 (2026-07-31T10:20:10Z), 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/USASX1651701.