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 0x5dc7b17cfe3d17db1921efd8010ed6905a4e347fd5dd50b00cc8b3e1adbb7270. Chain 2 (Bitcoin): anchored in block 953765 (2026-06-15T08:55:24Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/bbfdf73a-f181-484b-a034-16feb94ea8d7.json and https://artists.proofprofile.net/proofs/artist/bbfdf73a-f181-484b-a034-16feb94ea8d7.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Divine Liturgy (Arr. V. Sharafyan for Mixed Choir): Chosen of God
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 0x2040439c1f70cc082c0d9496bdf5254ac4c58458677b8ca031eaf19ce7c61690. 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/USASX2059002.
Divine Liturgy (Arr. V. Sharafyan for Mixed Choir): With Your Virgin Mother's Intercession
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8676b33042036c2e0093cf4ebb3769e5e8245a1d28a7be0f6d26d67e5c156510. 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/USASX2059003.
Divine Liturgy (Arr. V. Sharafyan for Mixed Choir): Entrance Hymn
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x480a557dde38f5e2261b10f1c86556799f25517f78369e3f2c0cc7906f6380f6. 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/USASX2059005.
Divine Liturgy (Arr. V. Sharafyan for Mixed Choir): Pray for Peace
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4cd4f4df53caa4446f85e6a3a9d23259cc92e9eaa2c08e1d83927b3d125ffb5e. 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/USASX2059007.
Divine Liturgy (Arr. V. Sharafyan for Mixed Choir): Glory to You, God
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa36766f4180f45b020ac0607090bf7fe54e21f0176eedb9c1320fd6c509bea48. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/USASX2059008.
Divine Liturgy (Arr. V. Sharafyan for Mixed Choir): Sanctus
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb1976920b82b5b6c2c89d3cd1bcd5af508f2dd2374cd352e437d0a15e988583. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/USASX2059014.
Divine Liturgy (Arr. V. Sharafyan for Mixed Choir): Heavenly Father
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13a0a96d6b499967783fb81340df20109d8eca62a8f30d801fb1f67b7e826bb4. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/USASX2059015.
Divine Liturgy (Arr. V. Sharafyan for Mixed Choir): O Lord, You Are in All Things Blessed
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7f8f133bae56ad75bc855c371cc0262f8f7803007f4ab388f82fb5ebe9347bd. 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/USASX2059016.
Divine Liturgy (Arr. V. Sharafyan for Mixed Choir): Son of God
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ff0ed7b175d8abcdd0e06d2705db0e324bfd4ed1e7a6f0504045917c9da1a30. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-21T16:28:29Z), 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/USASX2059017.
Divine Liturgy (Arr. V. Sharafyan for Mixed Choir): And the Mercy, Amen
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbfc80bf4fde77e5fc8e4b4f0129c5b25bee05b5682d9fc7859e7e6cd066710e4. 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/USASX2059021.
Divine Liturgy (Arr. V. Sharafyan for Mixed Choir): The Holy One
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1062fe93fe397b9cfcdfd32343699c427a251f8827bfa564cac75c49fee6fbd. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/USASX2059023.
Divine Liturgy (Arr. V. Sharafyan for Mixed Choir): Amen, Holy Is the Father
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf5c9021ed104169b79d43b49489c6a0ee4a27485481ce5a00b2b60a5d3b9752. Chain 2 (Bitcoin): anchored in block 957039 (2026-07-21T16:25:43Z), 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/USASX2059024.
Divine Liturgy (Arr. V. Sharafyan for Mixed Choir): Christ Is Sacrificed
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69b87f2aff3d93f1e8d6bda4233a9174a1184587115b295e5731a1e2480b0bb3. Chain 2 (Bitcoin): anchored in block 957061 (2026-07-21T21:52:33Z), 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/USASX2059026.
Divine Liturgy (Arr. V. Sharafyan for Mixed Choir): Pray in the Church and Bless the Name of the Lord
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4fc7866732d535da787576726232d81a78bc6b40b8b8f93bb338337b0e477fd3. 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/USASX2059029.
Divine Liturgy (Arr. V. Sharafyan for Mixed Choir): Again in Peace Let Us Beseech the Lord
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa137cccee38fd35c93ec233c6a35e5849108971c61a3fc927f52ee83721dc4f6. 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/USASX2059011.
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
Divine Liturgy (Arr. V. Sharafyan for Mixed Choir): Let Us Stand in Awe
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4542b864a9dec3f7abe3862608e6a1a033853a2d5ac82533e7e33a96a29914a5. Chain 2 (Bitcoin): anchored in block 960216 (2026-07-30T06:39:12Z), 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/USASX2059013.
Divine Liturgy (Arr. V. Sharafyan for Mixed Choir): Be Mindful, Lord, and Have Mercy
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5de8129ec35e622455cf48fb64b45ae51ccd88dfb594842da646a1a79d474b44. Chain 2 (Bitcoin): anchored in block 960145 (2026-07-29T21:13:37Z), 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/USASX2059019.
Divine Liturgy (Arr. V. Sharafyan for Mixed Choir): The Lord's Prayer
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3576a6bbb7026dcb2a93c8e82941fad159958dfcfe3b2c5171cc3cb10e1a8851. Chain 2 (Bitcoin): anchored in block 960106 (2026-07-29T12:41:21Z), 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/USASX2059022.
Divine Liturgy (Arr. V. Sharafyan for Mixed Choir): I Will Bless the Lord at All Times
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b02fcf16cd12d04a2fecafbef28ee3cf71d10a84518d31f9407d52564865ac5. Chain 2 (Bitcoin): anchored in block 960268 (2026-07-30T14:53:07Z), 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/USASX2059030.