Rita Streich (18 December 192020 March 1987) was a German opera singer, regarded as one of the most admired and recorded lyric coloratura sopranos of the post-war period. Biography Rita Streich was b
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 0x0249e8b859fca8206a373179c2fd78d9dd863d25e498759a659336707aee75d5. 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/0ac993b9-a96f-4872-99ca-863383234d17.json and https://artists.proofprofile.net/proofs/artist/0ac993b9-a96f-4872-99ca-863383234d17.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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 0xb3c3fd74b670ea69d5a50e865f36fa18fab2fc43fa3725a9170755980eb1bf18. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/GBLGL1037573.
Weber: Der Freischütz, Op. 77, J. 277 (Live)
Carl Maria von Weber: Der Freischütz, J 277 (1955), Volume 2
Carl Maria von Weber: Der Freischütz, J 277 (1955), Volume 1
Rheinberger: Der Stern von Bethlehem, Op. 164
Der Stern von Bethlehem, Op. 164: I. Erwartungen
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x249bcfdf564fc540dfb7456f59046487b8181cd2e25ab2814e3d9d0339bf9a29. 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/DEB118800101.
Der Stern von Bethlehem, Op. 164: II. Die Hirten
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78751f3583587feccbe669a376f5d27b7ec7e132b57b3d95bd5bbcf470c9c19d. 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/DEB118800102.
Der Stern von Bethlehem, Op. 164: III. Erscheinung des Engels
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x27d5db47727f8c72743bb88902f86cb9f44e61c1ccceaec7f0a5bfbc1055c339. Chain 2 (Bitcoin): anchored in block 960497 (2026-08-01T02:22:04Z), 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/DEB118800103.
Der Stern von Bethlehem, Op. 164: VI. Der Stern
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98443170ccd2761cec445897ebd469edc3cd980686d906eba17b05e78a1cca36. 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/DEB118800106.
Der Stern von Bethlehem, Op. 164: IX. Erfüllung
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c55a8fd62fdfaf97f6f67a412296da78a3cd6f0866c003370cea0d62511d016. 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/DEB118800109.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01691121fffdd7f293ecd9bab2d2ac7f22e3bf52aa9fc1903b5c17395f20b8e0. 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/DEE210841101.
Strauss, J. II: Der Zigeunerbaron: Ouvertüre
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5bd70fc318901d74e391234ae78adfd000c982f308d6e588b6f91399d687b185. 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/DEC629502170.
Strauss, J. II: Der Zigeunerbaron, Act 1: "Das wär' kein rechter Schifferknecht" - "Jeden Tag Müh und Plag" (Ottokar, Czipra, Chor)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5de58d26226032a535673b080159ba29350d089fd894cb194ddeaa7edd3c6884. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), 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/DEC629502171.
Strauss, J. II: Der Zigeunerbaron, Act 1: "Als flotter Geist" - "Ja, das Alles auf Ehr" (Barinkay, Chor)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a341311f33bcfff1bde30ecf45be10ee4efb33c03f2b2b509a681937e562a4b. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), 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/DEA340703070.
Strauss, J. II: Der Zigeunerbaron, Act 1: "Ja, das Schreiben und das Lesen" (Zsupán)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x470f2428f9f356b5c7d6fc6d189a831b38210456bbdd9f5253525a195e3fc2b8. 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/DEC629502179.
Mozart: Le nozze di Figaro, K. 492 (Live)
Herbert von Karajan his first concert with the Berliner Philharmoniker after the War - Beethoven Symphony No. 3
Rossini: Der Barbier von Sevilla - Highlights (Sung in German)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94e21da0ac4f3446344e26a860a33891a7b3d73b325943e051db8d2bcc1f2af7. 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/DEF056431501.
Il barbiere di Siviglia: "Ich bin das Faktotum"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d187e1c9f95e744c8ca79026d37770778297df773bf16baff2b574c8e34ee2c. 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/DEF056431503.
Mozart: Die Entführung aus dem Serail, K. 384 (The Abduction from the Seraglio)
Klemperer in Cologne, Vol.14: Mozart, Don Giovanni (Historical Recording)
Der Freischütz, Act I: Mein Sohn, nur Mut
Westdeutschen Rundfunk Sinfonieorchester
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a6b3ca63ffacc87db4448dfddace116addce5c91ee8d9901a90e718792d1c96. 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/USA560732952.
Les grandes sopranos de la musique classique : Rita Streich, Vol. 1
La Flûte enchantée, acte II : Air de la Reine de la nuit
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d5c2c0121988adffb11e839d5a09d86fee5a87bbddd0e0783236b79db9e3aa2. 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/FR0W69932883.
Hoffmanns Erzählungen / Tales of Hoffmann
Mendelssohn: A Midsummer Night's Dream, Op. 61
Volkslieder der Welt (Arr. by Friedrich Meyer, Stereo Version)