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 0xff15d5cfeca992b7ddfcc48abdaf95d4f48ad776f966cd41e6cf54473933d144. Chain 2 (Bitcoin): anchored in block 953610 (2026-06-14T07:58:09Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/141a57b9-53e7-4f24-a423-7ca33feced5e.json and https://artists.proofprofile.net/proofs/artist/141a57b9-53e7-4f24-a423-7ca33feced5e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Baby schlaflied Baby klavier Baby einschlafen schlafen beruhigen klang entspannung geräusch - schlaflied am fluss klavier -
Wiegenlied D 498 ( baby einschlafen baby schlafen klavier Ver. )
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 0x3074ef0a350d5c3def107c098d551c52321df39ae79f805e88f22233d8bcf137. 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/CAGOO2045075.
Heidschi Bumbeidschi ( baby einschlafen baby schlafen klavier Ver. )
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2b1a51a3189f082817726cd9a7f46958329ff511a4a97d7d9e92d81a4f98db8. 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/CAGOO2045096.
Baby Mine ( baby einschlafen baby schlafen klavier Ver. )
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x987eb0b76ae1bb6a0da877cba2dde93857da4a9b5466495f846f92827763b9c5. Chain 2 (Bitcoin): anchored in block 957067 (2026-07-07T16:54:37Z), 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/CAGOO2045098.
A lullaby of the cradle ( baby einschlafen baby schlafen klavier Ver. )
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5f0bc51d4be0e0dd5e198be21dfe335c51a225d295b70dd73165e3e9481ed6d. Chain 2 (Bitcoin): anchored in block 957043 (2026-07-07T13:52:39Z), 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/CAGOO2045100.
Wiegenlied ( baby einschlafen baby schlafen klavier Ver. )
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86b808e09d22ec7ef67c76bbb482485f0b7f455a391a26179be7be1592efb0ab. 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/CAGOO2045101.
Overture From Der Freischutz ( baby einschlafen baby schlafen klavier Ver. )
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b3675ea11a35e115632fba7d922c318f900f5a7d8530acaa06fcdff52ab6784. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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/CAGOO2045105.
Wiegenlied Taubert ( baby einschlafen baby schlafen klavier Ver. )
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79991605ca53f4573234e73074fd0b1e2911e2bbd94bfb2067fdbd4cf0fd3f95. 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/CAGOO2045109.
Itsuki Lullaby ( baby einschlafen baby schlafen klavier Ver. )
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40ae79940f224dfbe6469c7b558b4d3284924a7e89b5c7ff3c1926613de0630c. Chain 2 (Bitcoin): anchored in block 958042 (2026-07-14T18:24:07Z), 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/CAGOO2045110.
Edo Lullaby ( baby einschlafen baby schlafen klavier Ver. )
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8439006afed5862ab04bd2fa3d0efa657292616d94ee3c92a957e3dfe7a8236. 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/CAGOO2045111.
Chugoku region lullaby ( baby einschlafen baby schlafen klavier Ver. )
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x122c81499c100c48b3889d479a72579daf3b774aee2c9e5de38fe74c928a461c. 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/CAGOO2045116.
12 variationen über ein französisches lied "ah, vous dirai-je, maman" 4-6 ( baby einschlafen baby schlafen klavier Ver. )
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x217a3c55cd21bcd4003513381754a3c943125b97b3559102387447b7523005a7. 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/CAGOO2045169.
Meditation de Thais ( baby einschlafen baby schlafen klavier Ver. )
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x426f1c582d26e88b95879c29a48077b8be75e89c87af58b3d6d401efe17030e6. 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/CAGOO2045171.
Raindrop Prelude Op.28 No.15 ( baby einschlafen baby schlafen klavier Ver. )
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f508c9b4a054fa1c535c0c54ebba780008210b8656caf06d663a00e4af253d0. 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/CAGOO2045174.
Too-Ra-Loo-Ra-Loo-Ral ( baby einschlafen baby schlafen klavier Ver. )
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f10b830f3c8bc04d15c1bc8b9fa4eab84e08869455543d318a78b190cb4a73c. Chain 2 (Bitcoin): anchored in block 959159 (2026-07-22T19:49:18Z), 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/CAGOO2045090.
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
When You Wish Upon A Star ( baby einschlafen baby schlafen klavier Ver. )
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a04f344e530904e4a5d936f768ba791228d86ed4f4ff91ec7fad42261d71444. Chain 2 (Bitcoin): anchored in block 960125 (2026-07-29T15:38:18Z), 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/CAGOO2045077.
Rock-a-Bye Baby ( baby einschlafen baby schlafen klavier Ver. )
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23f89ad91a25a907a5cd48f4c99f969d68b4971035a82acf0e5a5cc8dbf78b4b. Chain 2 (Bitcoin): anchored in block 960203 (2026-07-30T03:35:13Z), 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/CAGOO2045091.
La La Lu ( baby einschlafen baby schlafen klavier Ver. )
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6f8bae50326762aeef377e57cd1801be8f0b4a1d877716fcaf7204b26d92826. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/CAGOO2045092.
Suo Gan ( baby einschlafen baby schlafen klavier Ver. )
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95bf4d831ca9c7b43188952c912887abc53fe9b8a8d6135c518f42822df05ec6. Chain 2 (Bitcoin): anchored in block 960203 (2026-07-30T03:35:13Z), 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/CAGOO2045095.
Hush little baby ( baby einschlafen baby schlafen klavier Ver. )
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b6142b014afe97f54a210e236121cb63e4f135ce8b006bc8378fdc38955f6af. Chain 2 (Bitcoin): anchored in block 960240 (2026-07-30T09:57:33Z), 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/CAGOO2045099.
Wiegenlied 2 ( baby einschlafen baby schlafen klavier Ver. )
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36f169ff060f967ac76193677f75af9454fee01d18c7602eefc1d7297ad5fc3b. Chain 2 (Bitcoin): anchored in block 960117 (2026-07-29T14:28:24Z), 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/CAGOO2045103.
Oborozukiyo ( baby einschlafen baby schlafen klavier Ver. )
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44acc974838d52a16b68a557e4ef0aaf523750dba4c3e71973d7ed806ce0d274. Chain 2 (Bitcoin): anchored in block 960250 (2026-07-30T11:13:28Z), 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/CAGOO2045106.
The Dream Passes by the Windows ( baby einschlafen baby schlafen klavier Ver. )
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x427cbc9b6a4a311c0563a255ea961fbab9ce1432a65959d7e8bf429f569bc479. Chain 2 (Bitcoin): anchored in block 960207 (2026-07-30T04:47:22Z), 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/CAGOO2045107.
Cossack Lullaby ( baby einschlafen baby schlafen klavier Ver. )
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e75bfec1ced3651abdc29dc6c1513a523da80f67b88b56196340b75bc21fbb4. Chain 2 (Bitcoin): anchored in block 960187 (2026-07-30T01:34:28Z), 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/CAGOO2045108.
Nene no osato ( baby einschlafen baby schlafen klavier Ver. )
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e4380141852aa4864a0b8d2ce806d82e1cfb06c516e6ea251a72a9229eec4bb. 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/CAGOO2045113.
Jugoya Otsuki-san ( baby einschlafen baby schlafen klavier Ver. )
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4424bedeb5b250dd2c852cb4ca78812faac84abdc6d8ac00e6e778ac203b17dc. Chain 2 (Bitcoin): anchored in block 960144 (2026-07-29T21:09:47Z), 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/CAGOO2045114.
Jimbo's lullaby ( baby einschlafen baby schlafen klavier Ver. )
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x215b856e1b3720bf5e551f792a8655e1209c45b93d954c344c9b93781ff25383. Chain 2 (Bitcoin): anchored in block 960144 (2026-07-29T21:09:47Z), 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/CAGOO2045115.
12 variationen über ein französisches lied "ah, vous dirai-je, maman" 1-3 ( baby einschlafen baby schlafen klavier Ver. )
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd51742f872f26e8a5608e3bb222305ae8628e69b62159fe215e8c34ef2f2b4d0. Chain 2 (Bitcoin): anchored in block 960153 (2026-07-29T21:57:12Z), 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/CAGOO2045167.
12 variationen über ein französisches lied "ah, vous dirai-je, maman" 10-12 ( baby einschlafen baby schlafen klavier Ver. )
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97ab2612138483ea49dfe0c17ac28a129ac802ee4b268f9a2fded09e2bb63f0d. Chain 2 (Bitcoin): anchored in block 960167 (2026-07-29T23:42:34Z), 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/CAGOO2045170.
Rêverie ( baby einschlafen baby schlafen klavier Ver. )
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x461f14b2f680c1f5a8e6beb75046b82125c8c566bd549a3df357f9f8e10231e8. Chain 2 (Bitcoin): anchored in block 960170 (2026-07-29T23:52:38Z), 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/CAGOO2045172.
Clair de Lune ( baby einschlafen baby schlafen klavier Ver. )
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb16b599ea159d2b24ed668e0ff7f4dcfcf86f1918bf07b02407ee969908c5de4. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/CAGOO2045173.