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 0xf060a37f6aeae04525d38e3e6024f6e5ca46a2d04e6647aa83b39a55647bed7f. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/17f5e7b7-b5ea-433d-8f71-19fad0589a45.json and https://artists.proofprofile.net/proofs/artist/17f5e7b7-b5ea-433d-8f71-19fad0589a45.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Baby Satie: Essential Classical Lullabies for Sleeping Baby (Piano Lullaby Version)
Désespoir Agréable - Piano Lullaby Version
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 0x1f8e44392b15e8ec223a7ae81564ef09f94bdab2e431fa4764d38247028656e2. Chain 2 (Bitcoin): anchored in block 958362 (2026-07-17T04:32:48Z), 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/ITK262201936.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5eb29b0410f962b6fa0b6ed31ec399aa8927f103c1ae85e76895861605e3d0e. Chain 2 (Bitcoin): anchored in block 958276 (2026-07-16T12:33:06Z), 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/ITK262201937.
Baby Satie: Ocean Sounds & Piano Classical Lullabies for Sleeping Baby (Piano Lullaby Nature Version)
Gnossienne No. 1 - Piano Lullaby Nature Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7a1a5f2a8fd3618c06bd24754764c791685d65ec8a02c17dc405afd8571a25f. Chain 2 (Bitcoin): anchored in block 958816 (2026-07-20T03:51:05Z), 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/ITK262201982.
Gymnopédie No. 1 - Piano Lullaby Nature Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd99788583bcdd280262df77627b302c99fb775566cbbcbdc5a8a03f19ae311b7. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/ITK262201984.
Je Te Veux - Piano Lullaby Nature Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a324dc849ec105ac68c7578a4e5795797bddec6823e296c5118bd94a0ef4300. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/ITK262201985.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6619db580e34ea30d49007dffd1036e1e871167a620f11d535d0d7c1d643c3a9. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), 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/ITK262300415.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed4c4801e8b83aec66bd18dd366905775ddd106842bb77e1bc079defe1c70260. Chain 2 (Bitcoin): anchored in block 958716 (2026-07-19T10:15:55Z), 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/ITK262300417.
All Is Calm: Lullabies with Ocean Sounds
Romantic Piano Music, Vol. 2: Soothing Piano Music for Relax, Study, Sleep
Soothing Calming Piano Music for Baby Sleep
Piano Tunes & Ocean Waves for Deep Sleep
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe487bbccf1e478d20a1d98c240a49ad6cef3dc4369a37c8c50bb6190cc79065. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/ITK262400137.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7076d593c280a3765d3b774c72a2d0ed98dc4314ce68f4c122d7cc47f1e7b832. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/ITK262400174.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb158f0eb48c84dce5b6ba30fcc0794eb9df33b3bdf80e4df077680fcac35f72. Chain 2 (Bitcoin): anchored in block 958650 (2026-07-19T03:36:41Z), 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/ITK262400177.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf717bd6ed015106d98b4ed142db70a7811495b06767fd6b2bf95873b878902c4. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/ITK262400202.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0145c7dbe24c32df3e35831d58ba10274c9b64cba203323c330f74e711a3a990. Chain 2 (Bitcoin): anchored in block 957891 (2026-07-13T18:21:04Z), 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/ITK262400238.
Little Prayer Music - Nature Sounds Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x452ea0771a2875be798604e8353f95e66feaa2de868b23f83e35e0101a3e5431. Chain 2 (Bitcoin): anchored in block 958197 (2026-07-15T23:21:14Z), 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/ITK262400285.
Baby Lullaby: Calming Piano Lullabies for Baby Sleep
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6f0823dd51b79070db9bf0058f498be1139f06fcac8233d5c654abc97cfa459. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/ITK262400555.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xefea8f5d02d0c48141f0ac3660bb8a95e17a1c9d2bd61e93ebb99324997faba4. Chain 2 (Bitcoin): anchored in block 958194 (2026-07-15T22:47:40Z), 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/ITK262400556.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x399d39fcc14a1f7eedd53bb3c8081bfb146b658b4ccd7f1f18f57a87c25fb7e3. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/ITK262400558.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6372812af048ac38bc1295325cf1db5b1df7448b483b122077610b59ac618c07. Chain 2 (Bitcoin): anchored in block 957891 (2026-07-13T18:21:04Z), 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/ITK262400559.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x909edc9f8051c6dc991e1312e53be64f8e8c62da60823aae30fd6a041da80489. Chain 2 (Bitcoin): anchored in block 958468 (2026-07-18T00:27:51Z), 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/ITK262400560.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7cd0514813f52afebda95e892647ca332e82be9c5f43269d7650cd78baae1e55. Chain 2 (Bitcoin): anchored in block 958142 (2026-07-15T12:57:13Z), 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/ITK262400561.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf554e0610b270095179585bf69a3391a018314ebc3fa12b6de6f848dcf90cc8c. Chain 2 (Bitcoin): anchored in block 958617 (2026-07-18T22:07:13Z), 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/ITK262400562.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb6e6f110e64e53fa504d1e8c1ccca0833dda51b36ca6806508813d95adccf2f8. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/ITK262400563.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf5b17c94940cb17f69395d89a400e51a454e74e7016971c519a21881a1f59ff6. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/ITK262400564.
Mozart for Babies: Lullaby for Babies to go to Sleep
Piano Sonata No. 11 in A major, KV 331: I. Andante Grazioso
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc39f148cc589b38d717187164d698204ff63d3264767036d877165691ed0f61. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/ITK262400575.
Piano Sonata No. 16 in C major, K. 545: I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d671d37f981b698f342e1aecefa55e406f111b4507028150fa63c62b63a67d0. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/ITK262400576.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd07d8c3d2e910a13092ef29d227d92e4010f74787295e619e3166136e62f1ae. Chain 2 (Bitcoin): anchored in block 958256 (2026-07-16T07:22:18Z), 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/ITK262400577.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1631bc7d5e6fc918560d5fc31a4960aeea1f0388eb43499f37c83b631b9dfc5a. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/ITK262400578.
Piano Sonata No. 8 in A minor, K. 310: I. Allegro Maestoso
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf29a6d4fb056751494048f5daf07c5c773b4f9f01ee0aacdf2b4d94447baf37. Chain 2 (Bitcoin): anchored in block 958142 (2026-07-15T12:59:21Z), 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/ITK262400579.
Piano Sonata No. 10 in C major, K. 330: II. Andante Cantabile
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23caaaf30a99934203b44d9c370376fc94c9108b0215c57f8d35f321797c8317. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), 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/ITK262400580.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71217566be38525bd32a0804da6918afa0b11b29002ed2604aeff9027216dbcc. Chain 2 (Bitcoin): anchored in block 958228 (2026-07-16T05:41:16Z), 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/ITK262400581.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61899abe8f5b97871b39b3572f9cddaad90489b0a39c02454b616bee2eb3e77a. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), 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/ITK262400582.
Concerto for Flute, Harp, and Orchestra in C major, K. 299: II. Andantino
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8b6329b4b0adab297325c7855ee62f64e2cf92bf9a6a42c0e66377833b9674d. Chain 2 (Bitcoin): anchored in block 958324 (2026-07-16T21:05:52Z), 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/ITK262400584.
Piano Sonata No. 6 in D major, K. 284: II. Andante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6fd4af09f57f276d401cb097ace1ddb0583b2e4de0b601c98deb7c3be9e9b275. Chain 2 (Bitcoin): anchored in block 958166 (2026-07-15T18:20:40Z), 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/ITK262400585.
Piano Sonata No. 13 in B-flat major, K. 333: I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21753c9a1d2bd53c654f174d47dba0e81a06b93450e198eb2e89c5bfd67a5ec2. Chain 2 (Bitcoin): anchored in block 958196 (2026-07-15T22:53:33Z), 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/ITK262400586.
Piano Sonata No. 13 in B-flat major, K. 333: III. Allegretto Grazioso
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb1b3df2db0f4b3943e091fbbe5290c5de70a2f001c49e1984be1f242ffff938. Chain 2 (Bitcoin): anchored in block 957891 (2026-07-13T18:21:04Z), 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/ITK262400587.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8827d02276a75a7d80cb536febbcd1e8e3b86836179613736ecb839a5fb4cea. Chain 2 (Bitcoin): anchored in block 958106 (2026-07-15T05:35:13Z), 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/ITK262400588.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c9a108145430b9bf4cf251b41eb143f44605884b51b7c26054880b1b2c4d35e. Chain 2 (Bitcoin): anchored in block 958153 (2026-07-15T14:01:44Z), 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/ITK262400589.
Piano Sonata No. 17 in B♭ major, K. 570: II. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x29f6f814d46065d3b83477e911374ee75ce2cc597ba8808d9fd6c6738a2953a1. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), 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/ITK262400590.
Piano Sonata No. 15 in F major, KV 533: III. Rondò
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xefa0aad5e984d316d2a24c35ee7b1a5ce4908d80cae167e15c169a2fd0703df8. Chain 2 (Bitcoin): anchored in block 958203 (2026-07-15T23:45:52Z), 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/ITK262400591.
Sonatina No 1 in C Major, K 439b "Viennese": III. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x020bc94af230e1251ff8fed1ecb6b4fe4e23eb0a751def02389ce565c1560490. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/ITK262400592.
Piano Sonata No. 1 in C major, K. 279: II. Andante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1c0e499680f9276184fb024293b390c4440218896e8d58df7de721e0c0dd3dc. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/ITK262400593.
Piano Sonata No. 7 in C major, K. 309: III. Rondò
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43650a56cefebf13d490875565ff90c0dcf9fe13d22e88138853106ffe7c6c71. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), 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/ITK262400594.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9fb8d592c8e6dc9a2d5dcfac8a671d01c232dc8a00e4b7d03868aa780c2142b7. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/ITK262400595.
Piano Sonata No. 16 in C major, K. 545: III. Rondò
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6eb15c8c91a6a597b313af3f13d4e0383eaee42e72ff837f59684ba1c86038d9. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/ITK262400596.
Piano Sonata No. 14 in C minor, K. 457: II. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc767d13073c30d42cc40db40116eddddeed8f3a6d3d3af762cdaac1214c6055. Chain 2 (Bitcoin): anchored in block 958341 (2026-07-17T03:49:24Z), 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/ITK262400597.
Relaxing Piano Lullabies for Baby Sleep: Baby Songs & Kids Songs with Ocean Sounds
Good Night Little Baby - Ocean Sounds Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0d3690397b50a692554f1933d41eb47bf11cb9a877bc21a7570e45dc01befd8. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/ITK262400621.
Mozart Lullabies & Ocean Sounds: Mozart for Babies, Classical Music and Ocean Waves
Bach for Baby Brain Development: Essential Classical Music for Baby Sleep
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Bach for Baby with Ocean Sounds: Essential Classical Music for Baby Sleep
Prelude in C Major, BWV 846 - Lullaby Version with Ocean Sounds
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Cantata BWV 147, Jesus Bleibet Meine Freude - Lullaby Version with Ocean Sounds
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Beethoven for Baby Brain Development: Essential Classical Music for Baby Sleep
Beethoven For Baby: Beethoven's Lullaby for Babies to go to Sleep
Chopin for Baby Brain Development: Essential Classical Music for Baby Sleep
Chopin for Baby with Ocean Sounds: (Essential Classical Music for Baby Sleep)