Jane Archibald is a Canadian operatic soprano from Nova Scotia. Born in Truro, she began her professional opera career in Canada before joining the San Francisco Opera as an Adler Fellow. Her career w
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 0x3359becb0c87f8781f51a512ab49aebfc25bb4b795efd20521434c2844ae1d5d. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b2ea74af-6568-4467-be8c-5f73452c6562.json and https://artists.proofprofile.net/proofs/artist/b2ea74af-6568-4467-be8c-5f73452c6562.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Candide, Act One: The Best of All Possible Worlds
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 0x9a1cb20f5b67dbbdb2b936f3d3afb743607903bf18f568caef2c2b143aab84af. 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/GBDGQ2133404.
Candide, Act One: "The helping hand" - Battle Music - Westphalia Chorale - Battle Scene
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2c3698a694b10d123da043784e3d7e6d6d94d66d6524e1f53a9f235c7e8e87b. 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/GBDGQ2133409.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8a61f713880a819ca273a97a98ccce42341d240e2347d3798daf9b743633fcf. 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/GBDGQ2133432.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07beaed17b967db52d987a17a1fdc97198371b2c91b4eca54f6fbb1ba8899c64. 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/GBDGQ2133411.
Candide, Act Two: Make Our Garden Grow (Finale)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50940753bd4871684188a472d7412a0ce0c63c79baeec0aa5b0804d73a08f4ba. 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/GBDGQ2133438.
Candide, Act One: "Suddenly, Candide rushes in" - You Were Dead, You Know
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38f1249cc3ad85f9ed71a573d510cf189d649c6a1a4a588aeec3425d6af46675. 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/GBDGQ2133417.
Candide, Act One: I Am Easily Assimilated (Old Lady's Tango)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7aeb3acb0c8a4e94e4b79490d6be60f2c33f42b76d31e43edcc8147632e8bc92. 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/GBDGQ2133420.
Candide, Act One: Life Is Happiness Indeed - Parade
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca0c1e402c547aa3a4c0f44df335a1f79b774c4e8078c40223233d7763b3b8a2. Chain 2 (Bitcoin): anchored in block 960317 (2026-07-30T21:35:24Z), 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/GBDGQ2133403.
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
Candide, Act One: "Class is dismissed" - Happy Instrumental
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a5fefb35fb18b2f065e2c6a9369f7ff1efe33e65e0a5ac4fed03109f88272e7. 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/GBDGQ2133405.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc4ee9834fa61c2bc48c27fe948433820e2ef264714d1081430cdeead43a3d8e. 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/GBDGQ2133406.
Candide, Act One: "What is he doing to my sister?" - Candide Begins His Travels
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6ad6d9cfae82310afa36e79a715eaf2449091f55e5438987f820a43a08f7e07. 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/GBDGQ2133407.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5527e9cddba0d1b19fc93957c7c585db874a2a544197da842e1bb161667ac7c2. Chain 2 (Bitcoin): anchored in block 960209 (2026-07-30T05:15:54Z), 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/GBDGQ2133416.
Candide, Act One: "Quick, Madame, The Jew!" - Entrance of the Jew - Entrance of the Archbishop - Travel to the Stables
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1befbe76edc4f66b87a133a8e95432451e4dbbcabd08133865faf771c5cc0a98. Chain 2 (Bitcoin): anchored in block 960410 (2026-07-31T13:50:38Z), 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/GBDGQ2133418.
Flowering of Love, (The) - Beautiful Arias and Sacred Songs of the Baroque
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4df84232b402b24f5753b04154c12fbbf38156686a1f95ca63688dd251f1051f. 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/HKI190516710.
Rinaldo, HWV 7, Act II: Lascia ch'io pianga
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x697aadbefad6b2b083d9600e75acef65c0596c3f289e051e7dd1f2a3be621817. 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/HKI199614105.
6 Cantatas, "The Flowering and Fading of Love": No. 1. Da procella tempestosa, "La rosa": Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68b6c30827e7fa1454e6971f9b7e05d86300626bc4355b8a95e4237e9dc0021e. 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/HKI190417202.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaafee9f1d048b362ca9f79a638e2ca713a51b221ab858b403e44395a1aa1981e. 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/HKI199508208.
Ode for St. Cecilia's Day, HWV 76: Air: What passion cannot Music raise
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98698c5f96acd776d12904be18c40e9329792f10459822bb8091b3fc9adf7a8e. 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/HKI199930905.
A Guided Tour of the Baroque Era, Vol. 4
Charpentier, M.-A.: Messe de Minuit pour Noel / Te Deum
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x762e50825b73e457b62814aa78096b0aa197ad41ecdd1fd88c5e018a00679b32. 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/HKI190305001.
Messe de minuit pour Noel, H. 9: (Kyrie) Noel: Joseph est bien marie - Kyrie eleison - Noel: Et sy je la revoy - Christe eleison - Une jeune pucelle - Kyrie eleison
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e5fc9d7b3d218e7a525c6ee4e8fa553e6476e831984d02574035edc3d2e24f8. Chain 2 (Bitcoin): anchored in block 960489 (2026-08-01T00:40:43Z), 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/HKI190305003.
Messe de minuit pour Noel, H. 9: Noel: Laissez paitre vos betes
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd94b32b4b3b317e47496107a60c59f108ac1c912761f6bd72a4e5c93746258b. 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/HKI190305006.
Messe de minuit pour Noel, H. 9: Sanctus and Benedictus
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc14459f0b84b1bd26fd4c416eb8ae79b3e8a7517fb8655a9e48f8cf498f66dff. Chain 2 (Bitcoin): anchored in block 960427 (2026-07-31T15:59:18Z), 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/HKI190305007.
Messe de minuit pour Noel, H. 9: Agnus Dei
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0763c00d2d5e34cc945e64c25273dbe2f03e0f5ab4185d0a90cd385c11f1682. Chain 2 (Bitcoin): anchored in block 960362 (2026-07-31T06:58:00Z), 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/HKI190305008.
A Guided Tour of the Baroque Era, Vol. 2
The 4 Seasons: Violin Concerto in G Minor, Op. 8, No. 2, RV 315, "L'estate" (Summer): III. Presto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86fa6f3ce082284ef471e7f1edc686193bcd378da948680fd083b9b0278e0d5b. 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/HKI190564106.
Messiaen: Poèmes pour Mi & 3 Petites liturgies de la Présence Divine
Bernstein: Candide: Make Our Garden Grow
Vivaldi: Dixit Dominus / Gloria / Nulla in Mundo Pax Sincera
Serenade No. 13 in G Major, K. 525, "Eine kleine Nachtmusik": II. Romance
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe138e7f363e15d4f42e7ce9a6812477468d4411529e7dac1715b68f1e4d67a4. 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/HKI199274602.
Messiaen: Poèmes pour Mi and 3 Petites liturgies de la Présence Divine