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 0xc6302392d4a607edae74dae9a846b4890a2f1012c9785423933dbc223d44f452. 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/3f0e36e1-d0e1-4373-8a18-3dd710c5bbaf.json and https://artists.proofprofile.net/proofs/artist/3f0e36e1-d0e1-4373-8a18-3dd710c5bbaf.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 0x9c4ea26703f52555ad2aaf795cd2472eabd65fc8f64c4b13b01a393d6670f9bb. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/JPN291903919.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x800f96fa05b6abeb5242af7e122b7a23f828136f6418ba62ea5587386fd309bc. Chain 2 (Bitcoin): anchored in block 958371 (2026-07-17T08:05:35Z), 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/JPN291903920.
Princess Lullabies - Lovely Disney Piano Covers for Sleep (Piano Lullaby Cover)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x096963c778c320814df22d072c8f659670cfd6a827cb640cf2036f9b165934ed. Chain 2 (Bitcoin): anchored in block 957884 (2026-07-13T16:55:06Z), 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/JPN291904442.
Part of Your World - Piano Lullaby Cover
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x558f63a7b206d1cdf95412fe3f29d33bb448c4a3285e6d0b89cfdef7dcb08000. Chain 2 (Bitcoin): anchored in block 958853 (2026-07-20T11:58:57Z), 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/JPN291904443.
Beauty and the Beast - Piano Lullaby Cover
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa982dc1a874498aaa591c9f38ca0090e4663a10466d0f7f424e5c21eb52866c8. 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/JPN291904444.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x536b0e45aa8adb19adbe0dfddb49ed4fdc12bc8ae022b970b8bd154c06a07fec. Chain 2 (Bitcoin): anchored in block 958520 (2026-07-18T08:19:09Z), 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/JPN291904445.
When You Wish Upon a Star - Piano Lullaby Cover
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef50a17adae165425d8fd0669a01353e97c14290e531a6ba260810704aa8780d. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-19T23:55:35Z), 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/JPN291904446.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x952d830e9b21060065c16a958c649abbf9d5b14d2418de81509094dc0c6c427a. Chain 2 (Bitcoin): anchored in block 958461 (2026-07-17T23:18:11Z), 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/JPN291904447.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1dfbe24065100b67741c20cfc709fef42ef2df04eea5060bcb9e7e7bf5c110dd. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-20T00:02:18Z), 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/JPN291904448.
Bibbidi-Bobbidi-Boo - Piano Lullaby Cover
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4498a878eed5cc0e91739b82bb810eb3bff64706319315e288f06b6d834bd87d. 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/JPN291904449.
Someday My Prince Will Come - Piano Lullaby Cover
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd259d790809c12b5d8fe4f4f445ea1b86ad3d692c26914504f0d20111668787c. Chain 2 (Bitcoin): anchored in block 958563 (2026-07-18T14:29:03Z), 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/JPN291904450.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01eece71bacc421ab74eeaa5a63dceee8bbacbb14a9cd86da42387bc392288e7. Chain 2 (Bitcoin): anchored in block 958885 (2026-07-20T15:40:28Z), 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/JPN291904451.
A Dream Is a Wish Your Heart Makes - Piano Lullaby Cover
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x66d3fca35ad751b996d8ef3c689eafffd9713c4f6c7ce6b7224139ceacdc2bb6. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), 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/JPN291904452.
Alice in Wonderland - Piano Lullaby Cover
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ecc264394a34ae7d264a0e390bd2ab5a5b409a0fbea4f43205f026a84350822. Chain 2 (Bitcoin): anchored in block 958733 (2026-07-19T15:40:29Z), 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/JPN291904453.
Smiles and Sleep - Piano Lullabies for Babies -
Smiles and Sleep - Piano Lullabies for Babies
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb3d2d32458f1d56100bfd30173a7c0754ad9304c57e15d91308d4a436557872. Chain 2 (Bitcoin): anchored in block 957884 (2026-07-13T16:55:06Z), 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/JPN291907831.
赤ちゃんが笑顔になる楽しい子守歌
すやすや楽しく夢の中 - 赤ちゃんのおやすみピアノ
月明かりのリラクゼーションメロディー
すやすやおやすみ赤ちゃんピアノ
私の好きな子守唄 - プレミアムセレクション
My Favorite Lullabies - Childhood Premium Selections
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5b380d38c2c289586539fb12e435781ca312b4575d20f6ffb17dd41227b5af1. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/JPN291908707.
Someday My Prince Will Come (Lullaby Piano Vers.)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74765760bb84d2bbe684f9547a80c77ae4acee97e38c63c3141e9670066d919a. Chain 2 (Bitcoin): anchored in block 958726 (2026-07-19T11:47:20Z), 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/JPN291908710.
A Dream Is a Wish Your Heart Makes (Lullaby Piano Vers.)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa235702b48156a137c2a178f96a7a64836ab9bb57ebbbb5792011ec82e890ef. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/JPN291908711.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c159260e24fde59e08fc0da0d19ab68f398225b5b56daf4ee41c61dd71641fb. 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/JPN291908712.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45c0e78d23ed1c88bc88a96d85f334ec6a3ad36fb12ce059a97be45c0e1fac99. Chain 2 (Bitcoin): anchored in block 958903 (2026-07-20T18:02:44Z), 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/JPN291908713.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef5c506005cf86ae977cda6c10bb6ff51b67373076c44e2c5d265092f251b515. 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/JPN291908716.
Princess Lullabies - Lovely Disney Piano Covers for Sleep -
Sweet Dreams and Lullabies ~Fantasy Piano Covers~
Lullaby Baby ~Sweet Piano Cover Selection~
Jazz Piano Reflective Tranquility: Melodic Sounds for Deep Study
Piano Focus: Melodies for Mindful Studying
Tranquil Keys of Focus: Serene Piano Task Mastery
Piano Music Rendezvous: Harmonic Encounters
Autumnal Reflections: Piano Music Melodies