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 0xe3e186b6c12a9647906f7df01f2fd30ac119cdb035756003134473a69397209d. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/da187e26-7f31-4c59-9deb-701dbe4491ae.json and https://artists.proofprofile.net/proofs/artist/da187e26-7f31-4c59-9deb-701dbe4491ae.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Cello & Piano: It Is Well with My Soul Hymn Instrumental Worship Music
Soothing Cello Hymns: Instrumental Hymns Worship Music
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 0xab6579a7ae1a70f58d67a8e10f46b89c13950b06182e8a8b416aece86ac3ea0d. 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/USHM92421194.
Cello & Piano: Nothing but the Blood of Jesus Hymn Instrumental Worship Music
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5aa27794dfc0ca8ad05aadcb9e73f32d609a2c2b5c95d49c371ff5a0961abf8. 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/USHM92421195.
Cello & Piano: Holy, Holy, Holy! Lord God Almighty! Hymn Instrumental Worship Music
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43dd38a12a6ef61e43c3137be8c707a199bfcea8e40fbaf842a66a6be29df20d. 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/USHM92421196.
Cello & Piano: Amazing Grace Hymn Instrumental Worship Music
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64a232772f9b7fbcf0829ad4e09f10eacd44c497217f154a7871b2b5b76e7552. 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/USHM92421198.
Cello & Piano: To God Be the Glory Hymn Instrumental Worship Music
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3a0370fcd213949196bac1f29be6f157ba742a9a97872f474d3339aef2f923a. 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/USHM92421203.
Cello & Piano: Love Divine, All Loves Excelling Hymn Instrumental Worship Music
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c9b6bf6524692bd44ad9eaba56daef008d88619894aaad62836664a8f2ad0de. 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/USHM92421204.
Cello & Piano: Turn Your Eyes Upon Jesus Hymn Instrumental Worship Music
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4235793cf19c3559225283fec6d1dfe671e7a1da521959a7b6ee3a148da64a8. 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/USHM92421206.
Cello & Piano: And Can It Be That I Should Gain? Hymn Instrumental Worship Music
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd26fbf0bf7b50b9143fd32cf1d796e516f72c82a473cfb44620f007360177055. 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/USHM92421208.
Cello & Piano: Psalm 23 - The Lord's My Shepherd Hymn Instrumental Worship Music
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed4fd4ef5090704b569f2ad82b4be76c9c88a2f7632def4f3424d8791946bb0d. 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/USHM92421209.
Cello & Piano: What a Friend We Have in Jesus Hymn Instrumental Worship Music
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59282fc651f0597447cb34fe9b713a040df8065cc080608e56efd48de9c7451a. Chain 2 (Bitcoin): anchored in block 960150 (2026-07-29T21:51:49Z), 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/USHM92421192.
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
Cello & Piano: Blessed Assurance Hymn Instrumental Worship Music
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe22bba48d7fd10b7f614ab0afa6568a2012f24502e53c6523a5dd4156735183b. Chain 2 (Bitcoin): anchored in block 960337 (2026-07-31T02:51:48Z), 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/USHM92421193.
Cello & Piano: Jesus Paid It All Hymn Hymn Instrumental Worship Music
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b1cb686f80eb344c2aa43e0e326bab78cd603e07633c4e25efc03bb3fac8703. 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/USHM92421197.
Cello & Piano: All to Jesus I Surrender Hymn Instrumental Worship Music
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68dfa6610669888889db97a98ed1df3a55e5c82de9b589526733845bb7e1333d. 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/USHM92421199.
Cello & Piano: Take My Life, And Let It Be Hymn Instrumental Worship Music
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x725969d5ad56ddff48da7b09de8efb691b04aca801ea026ec9621a1e92407929. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), 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/USHM92421200.
Cello & Piano: Come Thou Fount of Every Blessing Hymn Instrumental Worship Music
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05b4fad45461dfea5846a96f8edd62dd7a5ac0609f97bf8ecc03eaac9107a0d2. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), 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/USHM92421201.
Cello & Piano: Crown Him with Many Crowns Hymn Instrumental Worship Music
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed9decd69d413c382b72c995524468c365ebe22a75e4e2f9cdf56a21dd21b3fe. Chain 2 (Bitcoin): anchored in block 960376 (2026-07-31T09:09:19Z), 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/USHM92421202.
Cello & Piano: When I Survey the Wondrous Cross Hymn Instrumental Worship Music
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea3b5046a777dc843b43f93f5aac29ee42db7b390bd1a94ad0c81ebf5de87bdb. Chain 2 (Bitcoin): anchored in block 960487 (2026-08-01T00:15:43Z), 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/USHM92421205.
Cello & Piano: My Jesus I Love Thee Hymn Instrumental Worship Music
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89fc634c8f70dcb0d742daefb1c9538b92c4cbb8e5622758ce4fbcad6bad7aa5. Chain 2 (Bitcoin): anchored in block 960317 (2026-07-30T21:35:24Z), 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/USHM92421207.
Cello & Piano: O God Our Help in Ages Past Hymn Instrumental Worship Music
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5cffc5f41462d027c1920394bb2832326b8860214818438dec7deea48daa014b. Chain 2 (Bitcoin): anchored in block 960266 (2026-07-30T14:44:50Z), 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/USHM92421210.
Cello & Piano: All Creatures of Our God and King Hymn Instrumental Worship Music
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5136166e10f415d930c3fa86159ab41c82b07d553a1c9c8e1da188b352b3d582. Chain 2 (Bitcoin): anchored in block 960298 (2026-07-30T19:26:00Z), 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/USHM92421211.