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 0xfd18715f80d7d38ccf65b658c598719456b9a44d27ce37e7fcd3b8262c0d0a8e. Chain 2 (Bitcoin): anchored in block 953616 (2026-06-14T08:58:35Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/18a5b344-6b7a-45b1-b787-7df2182f0f57.json and https://artists.proofprofile.net/proofs/artist/18a5b344-6b7a-45b1-b787-7df2182f0f57.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
La Courte Paille, FP 178: No. 3, La reine de coeur
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 0xec6abda14f3ad8e52f248ed839cbb67f0c47dbdc73eed97cddcccce9c10370f0. 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/NLE422000209.
La Courte Paille, FP 178: No. 7, Lune d'Avril
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbebea29ae42f5329c8bc8b543b008a4d1f441d537179bcdcc2e0b6a6ad333990. 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/NLE422000213.
Walzer-Gesänge nach toskanischen Liedern von Ferdinand Gregorovius, Op. 6: No. 5, Blaues Sternlein
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe60f7327aca11aad9bdd32f2336aa917813b9cd116be87020a6600af616667a2. 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/NLE422000218.
Sechs Gesänge, Op. 107: No. 1, Herzeleid
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeefe35f5648a16329a57ca105fb5bee4d8fc6e1dc0c6ec3e9c3ce2797f461512. 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/NLE422000201.
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
La Courte Paille, FP 178: No. 1, Le sommeil
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa85c01a003573a24f68ea69ac723fe374ae98e4677537e04a5e68a51e796bcde. 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/NLE422000207.
La Courte Paille, FP 178: No. 2, Quelle aventure!
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8397db454aa071b27acdbf8bae82bdefe9c920a4fd59248e0474b39df1bf9d51. 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/NLE422000208.
La Courte Paille, FP 178: No. 4, Ba, Be, Bi, Bo, Bu
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf55664e782c99f13c679bd4d167b6609fb3ff008dba917ad62d74796bd15ae3. 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/NLE422000210.
La Courte Paille, FP 178: No. 5, Les anges musiciens
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b49537ae77b97e95728ba6728c319c812a3c0ac104516340fc161c2fcbd85d3. 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/NLE422000211.
La Courte Paille, FP 178: No. 6, Le carafon
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd93a863358df4fb429e1b1d6626f1397d3a84592be7ff34d5ec866b87546f598. 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/NLE422000212.
Mädchenblumen, Op. 22, TrV 153: No. 4, Wasserrose
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd89743496af1a48bf8d3339ed15136e182433f0465c9b188980eb771f05d631. 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/DESN51710004.
6 Lieder, Op. 56, TrV 220: No. 1, Gefunden
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1a4214bfbb40b5f8d46c9e3683cf35f7529c13ec4b6fc92900b0daa089d9fa4. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/DESN51710012.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48bbffead137c032870717394685d7d77fb76b460ffca193c50c2a4bf038d0c9. 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/DESN51710018.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc5078807cd0a43715abfd331c9b2e19194243443f3bfbf339c1164a5954be9f. Chain 2 (Bitcoin): anchored in block 960121 (2026-07-29T15:22:21Z), 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/DESN51710023.
Les Pêcheurs de perles, WD 13, Act I: Je crois entendre encore
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x847aa01d9e284a691851487656b55d9647e8cdc33484e7322c59684aa74e6c4c. 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/NLE421702611.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf4c924fcbe1da36468e03c9406210403bde9c78401616abe08e7763e8d06b39. 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/DEB110903501.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd02a6b3468bdca908ce9f594fb02bc361c571dc4e43d3709222146950cc2a98. 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/DEB110903502.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3aef3e7948d4fe3023c954b12b1f31c9e4fc2e5abf07a1e136f5695c14b0d752. 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/DEB110903503.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40d5da0b3de8c3e325557753783e159625529066a1eaccfccd1e3bfd9003accd. 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/DEB110903504.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd430f2e5f6efbb97afd5f9acef71bfdb2fedb3beb791a23efaa4ab48b0f67ea. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/DEB110903517.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf7b8504b62590efa044938bd34c091d9ed002282d89b321ace8e43b496a2fce. Chain 2 (Bitcoin): anchored in block 957052 (2026-07-07T14:50:41Z), 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/DEB110903518.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b931a94b6c93844dc0913d7bd1680e7d6bae6f92195c2cf2b9316f130c6866e. Chain 2 (Bitcoin): anchored in block 957052 (2026-07-07T14:50:41Z), 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/DEB110903520.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7dae362802da9e111599458370d28bf55f1f8788a504d92ad698db2cbf814e38. 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/DEB110903521.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce8785edd4dc0f20393a40cec55dbaa05d7ca7b384327ade71cac86485fbf4af. 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/DEB110903525.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9452fe692817885a920ed8d71c085ad85dca4b2654d3ef0cc5a2894baf0e92dc. Chain 2 (Bitcoin): anchored in block 960108 (2026-07-29T13:09:35Z), 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/DEB110903511.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0dbbae50d6cfbcc5873be85809370b0eefa4c785ad44002d74e48b3220dedc23. 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/DEB111104005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xace89e802a275120fee6f0f554dec82173e921da518540a7086f846b361f9409. 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/DEB111104017.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53af4bfb674e5816b4d36ac2f21d291f1ef6e7a5caf2c285d6c9638dddb137f4. 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/DEB111104018.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5e848630a4faea47b9ae26659bb4b1a99e3a08e542f320c427fcc01b6c15489. 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/DEB111104022.
Evang. Kinderkantorei Stuttgart-Vaihingen
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe211b6f25b86c3332b56ef31d5202b333cd057dc59ea0dffa0fe309b2645c15a. 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/DEB111104023.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5cbb4afe66e3b2871da78d38941d491e09d0bb3c3573b3cc8d58844f94d7098. 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/DEB111104026.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x071a803c3b0d83e7b5d4b0f6469c05ba9b38e81c30355c1da2246ec9125f9252. 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/DEB111104028.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a8cd790d4160c8691e05565be0593b9c1867402f9356658b1feac7d5f2880a9. 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/DEB111104009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x048141ac7e0e6dd32dd231be456484319a31e6d708e7c45e3adbe33f2b2f2739. 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/DEB111104024.
12 Deutsche Volkslieder, WoO 35: No. 7, Wach auf, meins Herzens Schöne
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc40b054a150fd5bc5e329c4113e000bccf1bf7577581acfa56d3aa8470ef12c3. 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/DEB111002407.
Peter Schindler und der Hoppel Hoppel Rhythm Club
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc6aee91c32f33c87a24fc3482ead7049f3c6474707bb625f953c7147b7c1262. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/DEB111103801.
SingsalaSing, Kinderchor der Landesakademie, Ochsenhausen
SingsalaSing, Ensemble der Landesakademie, Ochsenhausen
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67f27a6fabaa5b732e265ddf52a737e70685e33a64226e5ff2364e1577c134f1. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/DEB111103802.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ad8d91ddb002ce29be6fd2e691a14508b2ad689044e69a63894562d7879cbf5. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/DEB111103806.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeeac53a976545450bcaea631da158a1a737a79454e944c58331e4d41f2214f9f. 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/DEB111103807.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc63a94447413451904f813fddf38b6aee47e108894d77c7dba3b2511909732f7. Chain 2 (Bitcoin): anchored in block 957020 (2026-07-07T09:18:01Z), 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/DEB111103810.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80785d9ad76c6eacda93212841b48dade65eed5c520261939566f91a399de225. 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/DEB111103812.
Mädchenkantorei Domkirche St. Eberhard, Stuttgart
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07951d4e8aeb1dab006bc3fd2c06252c29fa8679bd760242a0aa19afd3468182. 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/DEB111103820.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc89f017e3363fe76478ce37f82ef85ec85aca068d84b2bc22a8612b0e34c9484. 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/DEB111103829.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f505f6a82b12929dd0e173f2a981c28d4c75ce9a897164d1821bfec889766c5. 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/DEB111103830.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4cd9cae47e28360749cb3eb77f034121bdf681ec062e002708aa404a5fdb3e97. Chain 2 (Bitcoin): anchored in block 957026 (2026-07-07T11:02:43Z), 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/DEB111103834.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2fff2c7e4fdd9e6e81ee49f6bd553d2cd4df2bc304427c41399d43f882995887. 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/DEB111103835.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1be15fc004bfe2cd4099cacde605777d1d0383f04d3085db16f7cc4ebafb86a7. 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/DEB111103803.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea0fcea3ab63e239de1e549a15a20d587188080f1b8cd5788e386b0834e18519. Chain 2 (Bitcoin): anchored in block 960166 (2026-07-29T23:39:29Z), 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/DEB111103831.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ad2f7572e8942f3bd70ed7c158bf7f3e1ad842d9bcbf48e618d9ee8e4bd5b27. 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/DEB111103910.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f0551b86f53c12bbf92d568a90f26922e0f9755d8439dfb23c00c946b3afd2c. 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/DEB111103912.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d62f34ab19318fc104f36d1ca5f354dd288d625a7ce728ea81925ce2e5cb16c. 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/DEB111103917.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ca45fff935033222157ad7e65f5aeefb5e0dc69fd02c238fe9cf15de5da53c8. 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/DEB111103926.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70028ad01afe8ccde2523622f56f4057e0c2db12d1c2d94ae8984bda554b06c2. 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/DEB111103927.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42c9b823b77b1eff8a4ba6bb12c41e34626876e8db8e75efae4229d7ce8c3b7d. Chain 2 (Bitcoin): anchored in block 957020 (2026-07-07T09:18:01Z), 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/DEB111103928.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c5947807f8d385daef848c446a12c3d2eb6971b720774956c3c24412f8f81ee. 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/DEB111103930.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01990fcd7f0487242e9962ee0e9e6864ed88e40c931702bcafadcd556aac5242. 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/DEB111103933.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1d0e11e0b43990f3d9ba2331c0789614e7110ca5d806a4ad408a1da092e2b2f. Chain 2 (Bitcoin): anchored in block 960288 (2026-07-30T17:41:38Z), 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/DEB111103922.
Sechs Lieder, Op. 1: III. Vöglein fliegt dem Nestchen zu
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e9d0fc3a9d384684e6bceec955612523bfabdcc401f8925e93758852f57581a. 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/DEB111000803.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e5306ab8be3b3d3f0b2712a3c55ff93b55e6725aa1de0f8bedb702a73316873. 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/DEB111000804.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4dbe96ebdc9d76896b75d7afb2dc9771c7188a3d21c8db74ff1e96161945ae3e. 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/DEB111000805.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x766203ab88c409bb67cc56be4ab87f13d6af0e20ec269525c7e99747beceeddd. 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/DEB111000810.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4d7b1440d579bd2c53f1de9bd56898a8aec84532ab90fbae41f26c5dba00817. 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/DEB111000811.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xafdb6698c3e7d22786f23ecd5f1fb987393bd8defc8d89ca17d95da1588682ee. 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/DEB111000812.
Wiegenlied, D. 867, Op. 105 No. 2 "Wie sich der Äuglein kindlicher Himmel"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x505438080e8c9a8042ef0fbb1db0a26651e6324bbcc9aaff95fbce8a53fbacb9. 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/DEB111000816.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07cead5cbbec0dbc1155a628c58d66d260520a9649c4e03611b45ac1d361db11. 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/DEB111000818.
49 Deutsche Volkslieder, WoO 33: No. 42, In stiller Nacht
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb313949ac732efc5e1a8c8d2840a4bb7b33b17760a30abcf5122e6d422640c3. 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/DEB111000824.
5 Lieder und ein Kanon, Op. 13: II. Wiegenlied "Schlaf, Herzenssöhnchen"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8c85d05c56cb10827e6d09dc1addffe90766feb7f9e582ad3294512e70650fc. 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/DEB111000809.
Frizzante: Celebrating Vocal Music Celebration