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 0x70bbca1820f5500f84c0950271f39cab80c028c0b41dccd0db7ed22b103b18e2. Chain 2 (Bitcoin): anchored in block 953762 (2026-06-15T08:21:23Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ba6a4ebf-c877-4fb5-bb6d-41a96d393053.json and https://artists.proofprofile.net/proofs/artist/ba6a4ebf-c877-4fb5-bb6d-41a96d393053.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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x097390e193273c79bfd7551fb1e1f31bfa23564838f03a60ae3c66b0c189f27e. 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/USBC17200131.
La Traviata: Act I: Libiamo ne' lieti calici
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e81cb54f00b88366ae833c95dc25b73a5bead7ce96c636fb7a2dcfb4c7bce8d. 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/USBC16700137.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7ff946c12d5f41784c120d4fcc3af0e79fd5c4e59cbafa387436960fa97b7c5. 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/ES5027400258.
L'Assedio di Corinto: Act III: L'ora fatal s'appressa; Giusto ciel! In tal periglio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6faebfad347bef3ee33ff84495408f47a70e76d77e3789bc1d7b25fa056f4ba. 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/USBC10401734.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15023f79cc9d2eae21cc64af059b0252c2bfc5d67f82d94583cd27d37659d745. 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/USBC16700144.
Cavalleria Rusticana: Voi Lo Sapete, O Mamma
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ca0568922da670c7d86061e3400a7f149a05e6aa9d36a0399332be4369935e3. 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/ES5027200447.
Otello - Act III - Assisa a' piè d'un salice
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f4fd531179315367f3af4fb21997fbedf68df4850cbfbcb9ca2e67cce8a2030. 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/USSM11206702.
Il pirata - Act II - Col sorriso d'innocenza (Mad Scene) - 1987 Remasterd
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2fc4712eceede9fc4f8f860bd750e880b3dd72de81c40b0a33b389a83647a1e8. 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/USSM11206712.
Armida - Act I - D'amore al dolce impero
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e758421738d363beac49ebc97459a434ec803ae92304659c2b9cce497ac1763. 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/USSM11206704.
Un giorno di regno (Il Finto Stanislao): Act I: Ah! non m'hanno ingannata! - Grave a core innamorato
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1470d889245818f1abcc9de5a87f1e6f9c2912bc28a534fac143478bc114bf23. 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/USBC10401732.
Adriana Lecouvreur: Io Son L'Umile Ancella
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x232444d425d65c02344fcd4438e847b5a3d531370b1545c2790cdf2e71c75e2e. 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/ES5027400251.
I Lombardi: Act IV: Qual prodigio! - Non fu sogno!
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9fa66fade04e8a12dc9333e318cefc22827653c21517c55e36b9f14931b1d21f. 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/USBC10401733.
Orquestra Simfònica de Barcelona i Nacional de Catalunya
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x19c36b7365a84208dbe174bfa63d0b63a07c2adbc7a5a6a767aded6b3fe81446. 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/ES5027400250.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f294eaa145443c97ddb79c6fa2156607367848f551bc65b4eb0bc62f8c3961f. 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/USSM11207010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a2f26a20eb99cc304f652ac1aca6cf71198701150e98ab168adccc001d16c21. 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/ES5027400249.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x116469da475575e1fe9bba46f09bcb790dfe9495f5a3f71af23a2e88ce8d7fc4. 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/ES5026400096.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe44b1b1b32b1dd25a62f764c504ec729ff70c4e51d9a8c5e9007d4df57f9af1. 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/USBC19606073.
I Vespri Siciliani: Bolero: merce, dirette amiche
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf02882d2c664b286a31ace8cffb2bbeebebc3413a998a3445d65b9ae22889354. 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/ES5027400257.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x99856bf92ed3dc4fb5d5191d295d79f11e190cfaf469ad53c9c31c7f59128942. 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/USBC19606075.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x529596ddf2f6bcbee25ca05b149c5bcf3a5e8c2fed146c9e453931e9410e4211. 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/ES5026400163.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68b2a97e98a393288cd5a6816215ed4c1a97cf35c7b498ec98d52c80b26eee5e. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/ES5029100056.
Carmen: L'amour est un oiseau rebelle (Habanera)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63cf79ebac82570a9fec463d2f7010e43f2659134c0b25873f23e1a98611571a. 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/ES5029100080.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x111f35eaa18ff1bf8fd223998d2e0fb3a1b713f340b6145ec19dcdae9993cd2a. 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/DEE470000063.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e6e4a822655541079516e7892e8ee1dbbbb15f32ab6973cfaba5c35a1aee1d1. 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/DEE479800314.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x003cb7e35dbefd9da29efdd0d137738f810f3e8ef52fe9d9a4ce5dbc38de3b4f. 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/DEE479800306.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x529596ddf2f6bcbee25ca05b149c5bcf3a5e8c2fed146c9e453931e9410e4211. 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/ES5026400163.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac1dcc0ac54667b7ad23abf40a49422a391ddd394de2f3a42ea2ffd2cef94594. 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/DEE479700260.
Rode, P.: Violin Concertos Nos. 7, 10, 13
Bruch, M.: Suite On Russian Themes / Serenade Nach Schwedischen Melodien / Swedish Dances
La donna del lago, Act I: Quali accenti! Quai tormenti! (Uberto, Elena)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa568108eaa2df2c0f9d7621a5f1b60fea00619bfa918a23ce4b0de6dc1c9423b. 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/HKI190778909.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d4833298ade5a2c8c67e03b4d951dbc6e8a4a1c7292adf7b90f68092da77b66. 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/DEE289800204.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x951acfa87cdfd18e61e99a35545eb975153a2ce859237aeaae7fac8f72876a3a. 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/DEE289800212.
Railroad Rhythms: Classical Music About Trains
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x827a00eee89664fdedfd40c062e97cd4e58ec17e33b9c7dd86f975137ac3d292. 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/DEA550512215.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11fa9bb52a2cd55aa0635a1564bfba3c645ae67d28faf4320f30e4538e9ac7df. 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/DEA550612210.
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
Singers of the Century: Fritz Wunderlich, Vol. 1 / The Earliest Radio Performances 1954-1962: Operetta Songs and Scenes
Emmerich Smola Höhepunkte Und Raritäten, Vol. 2
Kreutzer: Violin Concertos Nos. 15, 18 & 19
Weingartner: Violin Concerto - Schubert: Symphony No. 7 in E Major (Arr. F. Weingartner)
Der Barbier von Sevilla: Una voce poco fa - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2025d92948ddf3137652c1d4129439a97b7d001a5a0636bb358ef06693870920. 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/DEE280438103.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa20597565c8f2eec9cd2f51b0a2e36b88a5557bb737ae15092961701575c1fcb. 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/DEE280438108.
Shostakovich: New Babylon / A Year Is Like A Lifetime Suite
Schmidt-Kowalski, T.: Symphony No. 4 / Violin Concerto No. 2
SWR Sinfonieorchester des Südwestrundfunks
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x718b62593b5c265d8b74a936827827859d666e916e457770d71655e5cefdc92d. 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/HKI190533301.
La Cenerentola, Act 1: No no no. Non v'è (Live)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f5a235868fb0ca0999b61c2d468ca06387ebf66c7f5b7f930f2c22f23179285. 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/HKI190533302.
La Cenerentola, Act 1: Scegli la sposa - Come un'ape ne' giorni d'aprile (Live)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0aa5fc2d0159991a3672b30d4da4700803368b171e7dfcbcf4a214cda06caa1b. 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/HKI190533308.
La Cenerentola, Act 1: Signore, una parola (Live)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05569fc4b5e2a787bc422e12124886408ce13a5cb58be0b034910c437dd85ea8. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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/HKI190533310.
Schmidt-Kowalski, T.: Symphony No. 3 / Cello Concerto
Adam, A.: Postillon De Lonjumeau (Le) [Opera]
Rolf Zuckowski präsentiert: Wie schön, dass du geboren bist
Giuditta: Freunde, das Leben ist lebenswert
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec41d25ff32191fa9f164f0b6791030fed9a249d3ad4a41acd73278179a2c123. 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/HKI191525002.
Silent Night - Classical Christmas Highlights