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 0xcde2bef3f71d883dbc9177d9c7655617463016c2e7085634ac322bb37d8adc72. 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/44e837e0-eeab-4785-938c-264a2b01787d.json and https://artists.proofprofile.net/proofs/artist/44e837e0-eeab-4785-938c-264a2b01787d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Wedding Super Collection Mix Instrumental
Dance Live: Super Collection Mix Instrumental
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 0x355fa9223fff964a93b8596317bd36ea15703c270c9024a5ea2d74aea2618cc2. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/USJ3V2012255.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x12cc53dec539de69f71a6046b24fd6b6954199ca3592c8156092033c0b50a06a. 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/USJ3V2012271.
Once Upon a Story - Sefira, Pesach Sheini & Lag Baomer
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x582082daba5850aa446f1548921993d497fa7469c37bc11b722f9424dbfb5c51. Chain 2 (Bitcoin): anchored in block 958083 (2026-07-15T01:50:31Z), 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/USJ3V1484163.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf511d3da65095f2361ca849b3554ad1f8872e568ceb4ef0e88840d47b99f204b. 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/USJ3V1486121.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5976db34bacb8b6fe534259e5373eb9c6245fd3a1f6eb244c15f372047999282. Chain 2 (Bitcoin): anchored in block 958163 (2026-07-15T14:38:07Z), 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/USJ3V1486124.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x90b79e814a7799e3e0a9f09cb5d0c4a0c363946995af4be4b2b36833b6ffd269. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/USJ3V1486125.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4091318b8c03ea96300dad1f8cea12939bd8e586d001943c1da606dbc0052443. Chain 2 (Bitcoin): anchored in block 958268 (2026-07-16T08:56:51Z), 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/USJ3V1486122.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3fa105d685bf361c333363a56d55340ef6b3d2c3e5cc7ba6e6ec8a5e8850c1d. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), 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/USJ3V1486127.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3cbcc343d62607e1b0ef70eae1e273c58f6c8f01a8ef0354150f3294dc06e654. 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/USJ3V1486128.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69568e69f687645211f2b109d61a0a69cefe0374478abe1d09b62e0b849f8820. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/USJ3V1486129.
Mimuchan Umizuman Shir Hamalos and Lesahana Haba
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b38d6a9eae47009f43265035587bd720eef16f3bf48af1f6f8f251acb20b654. 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/USJ3V1486130.
Lag Baomer V'Chag Shavous Super Collection Mix
Simchas Beis Hashoeiva Super Collection Mix
Lichvod Hatana - Torasoi - Ana Avda - Pischu Li
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd1ccd64c945aa7fc06e9664e53784e570e6ac97695f950d4942ef26aa47ddea1. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/USJ3V1842731.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a4b9fee64fd1b6017c5578db67ac3eb4bbfbc4690d7d83e9c99f1ecb0f83edd. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/USJ3V1842732.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6df534b9db1ba2edf2675998ff52d6c38a02394b0adea0f3d283544e763fa0c. 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/USJ3V1842734.
Relaxing Melodies - Songs of Reb Michoel Schnitzler
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x329b7e78ad2d5e44a9d7f3d7a108d97ac9c5c9e4b6722ad474f1f2440ffed9f0. Chain 2 (Bitcoin): anchored in block 958770 (2026-07-19T21:34:27Z), 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/QZTB32520772.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0737433ff9f9914e3dce49cd87a99940dc35093c050e18536c4bce60875f903c. 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/QZTB32520774.