Elizabeth Watts (born 1979) is an English operatic soprano. Watts was born in Norwich and attended Norwich High School for Girls. She studied archaeology at Sheffield University and graduated with fi
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 0x9b15b59e6a30e381c582fbfa1e9a58cba5f49d032ec08f325d7fa993d7173544. Chain 2 (Bitcoin): anchored in block 953636 (2026-06-14T13:03:42Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/36230b23-bcba-4ac3-a434-64875c5c3f28.json and https://artists.proofprofile.net/proofs/artist/36230b23-bcba-4ac3-a434-64875c5c3f28.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Britten: Spring Symphony, Sinfonia da Requiem, The Young Person's Guide to the Orchestra
Sinfonia da Requiem, Op. 20: II. Dies irae. Allegro con fuoco - Alla marcia
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 0x8b0aad4531196e2cd6415b28b77f05e7db1540c5800bb07cfc6612fd23425a93. 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/GBDGQ2434902.
Spring Symphony, Op. 44, Part I: Introduction. Shine out (chorus)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xccd10bf45d6df1d8e1667083e0ea33d829ac243fa2ae39ba3ee666fe09c1d5fe. 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/GBDGQ2433001.
Spring Symphony, Op. 44, Part I: The Merry Cuckoo (Tenor)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x386bf76fe40cc5fa86d1832c8015f012f826c95f043c8ab3687c793edfe9ef76. 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/GBDGQ2433002.
Spring Symphony, Op. 44, Part I: Spring, the Sweet Spring (soprano, alto, tenor, chorus)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b8d41bc3030dfcfd09cb96592b995bf84d4e514388cde537e7ae48d33a296c1. 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/GBDGQ2433003.
Spring Symphony, Op. 44, Part I: The Morning Star (Chorus)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32bd7773667a7f8175520c451369fb21f54d1bf4ed6b2e3d23af48f3cd6a1af2. 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/GBDGQ2433005.
Spring Symphony, Op. 44, Part II: Welcome, Maids of Honour (alto)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b21bc04e9fc053e3a4558652fe21c56305bfe822f94919b701d3b03c43a563a. 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/GBDGQ2433006.
Spring Symphony, Op. 44, Part II: Out on the Lawn I lie in Bed (alto, chorus)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a6ef21df06fe1f6ae3fab415ffbfc800a434e2ed3703b7f425cfb7710cf1463. 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/GBDGQ2433008.
Spring Symphony, Op. 44, Part III: Fair and Fair (Soprano, Tenor)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a06b38dfe0faa990df3b269f9c0d94c3a984193aa31c4955f1178e17e5ebf50. 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/GBDGQ2433010.
The Young Person's Guide to the Orchestra, Op. 34: II. Variations A-D, Woodwinds. Presto - Lento - Moderato - Allegro alla marcia
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7152695694c329b8d9fee0a426c0786979b16f88307ac902fb5f1b4de1230f80. 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/GBDGQ2413102.
The Young Person's Guide to the Orchestra, Op. 34: IV. Variation I, Harp. Maestoso
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd11cdefd825737199abaae4a56b07a52343bacd56b8217086fa00db2a93d8bb3. 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/GBDGQ2413104.
The Young Person's Guide to the Orchestra, Op. 34: V. Variations J-L, Brass. L'istesso tempo - Vivace - Allegro pomposo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9e3643d937093d83ed5599f524ccea96de203f79d0c908c69a4582ff8debace. 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/GBDGQ2413105.
Spring Symphony, Op. 44, Part I: The Driving Boy (soprano, children's chorus)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ceee08f3f1b162fda4102358fd96ac16928e3850ab0cad4f03d8e8e6c43b3a7. 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/GBDGQ2433004.
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
Spring Symphony, Op. 44, Part IV: Finale. London, to Thee I do Present (soprano, alto, tenor, chorus, children's chorus)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01b32ffc64a396cf20af867a799f7957ff9f7e41b6aa7cfd8a89b68b7aa4a7f7. Chain 2 (Bitcoin): anchored in block 960291 (2026-07-30T18:23:33Z), 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/GBDGQ2433012.
Endimione e Cintia: Aria "Se geloso è il mio core"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca5cb23b80db06710b4babf5a785f4223455638c48beecc0e44e43f887c3a2df. 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/USHM11457402.
Non so qual più m'ingombra: Aria "Nacque, col Gran Messia"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08394d4a8e881a2a60c7a9216fcab3cfb0a829f93d32635aab3f7b0809a38ed2. 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/USHM11457403.
Correa nel seno amato, RosS 383/14: IV. Aria "Ombre Opache"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52ab39dd740248278127bf50a5e1b198363bcea13aee3e32ecbc6019e22bd877. 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/USHM11457406.
Mitridate Eupatore: Recitativo "O vane speme!" - Aria "Cara tomba del mio diletto"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb3fb947a5be1ce8fc1f2644133b590b053e56bcdb5e87e48b91448a361ac8da. 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/USHM11457410.
Tigrane: Aria "Sussurrando il venticello"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x169e19bde59a6d0b8816182f6600b702874730e1d6807e18163b07ec54a12e77. 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/USHM11457411.
Troisième Leçon de Ténèbres: Jerusalem, convertere
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a0e9223f341de43f310333a5442599e9ccb229e93fab3b8d3978b0351a956ea. Chain 2 (Bitcoin): anchored in block 960360 (2026-07-31T06:42:11Z), 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/USHM11565920.
Griselda, Op. 114, RosS 357/66: Aria "Figlio! Tiranno! O Dio!"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e9a0b68df6fb4640b269c7f8cd63e50bcb29e7a362f02a7485e9cf83fba7491. 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/USHM11457401.
La Santissima Vergine del Rosario: Aria "Mentr'io godo in dolce oblio"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5057647c6599f73cf9955c417561f19dfb16d7dec611536f55efd3a7bc42d768. 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/USHM11457405.