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 0x8a4531c6d65c0c94d2b34bcf95975248e3d1112f8179974a717d2ca672c3d517. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0925b51b-f452-41c7-a2ed-5423448c2d15.json and https://artists.proofprofile.net/proofs/artist/0925b51b-f452-41c7-a2ed-5423448c2d15.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Still Alive (From Portal) [Pop Punk Version]
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 0x13760aec83ae669b1569454b330de9f20c53afbbeccfb9029da56449ff5be11a. Chain 2 (Bitcoin): anchored in block 958137 (2026-07-15T11:59:34Z), 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/QZGWX2246992.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd51e40b349fff1290b8595d31b79a9c1a61d44607eabe9c4060d21257c6799df. 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/QZPJ32110526.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe38c0b2510afc8553f39995fd17acd0388e251615fb7eb016f308f790795f427. 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/QZPJ32184993.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e6e57be6102c422f3918c8b49586acde6c8fddeaa5e969c6d9311ee05b06f09. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/QZPJ32220266.
Can You Feel The Sunshine (From Sonic R)
Down By The River (From Baldur's Gate 3)
Opening-Bombing Mission (From "Final Fantasy VII")
I Am Gonna Claw (Out Your Eyes Then Drown You To Death)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba07eff4f7ce997735e904596165885cdb5408c42866eea66bbc97ef69484537. Chain 2 (Bitcoin): anchored in block 956576 (2026-07-04T02:06:47Z), 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/QZPJ32388173.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x165a1702342e2211c6c4735e02efa735d9cc886e524859b981b7ba8825f3b8fe. 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/QZPJ32388176.
When The Moon's Reaching Out Stars (Feat. Legendav)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb9e32c0a7df9b7f6edc8d167226a87a20172346086bb04c6609bab731220595c. Chain 2 (Bitcoin): anchored in block 958639 (2026-07-19T01:18:30Z), 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/QZPJ32388178.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ce5ba24b1a9cb87676ceb3cb3a793148948f5223e5708df69ceb395207fe7ca. Chain 2 (Bitcoin): anchored in block 958523 (2026-07-18T08:54:12Z), 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/QZPJ32450772.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x491e375bc2aef2544aa73cc53e4920e2f738d92ef7e5b2145b7156bb8ca97dbb. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/QZPJ32451996.
EGGMAN (From "Sonic Adventure 2") Feat. Ro Panuganti
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6304a147a9cc86701f959607bc33d244c03b594f5a4c903a5263564b573f6351. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/QZPJ32480029.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb950482feba4f92ac4d8c682b9df6773962f043c8a53532b992f4024f8874944. 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/QZPJ32487249.
Lumière (from "Clair Obscur: Expedition 33")
A Moment of Eternity (From "Xenoblade Chronicles 2") [Metal Ballad Version]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7850b12cd9526955c6c28ef8a83b4f4420a06d88d2dbea9e931f1c5be5df7217. 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/QZGWW2135400.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e13e2afb9a0e08a7a64354f2a7396cf84df264888b13fb848f8d006323d1152. 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/QZPEW2448208.
Good Riddance (from "Hades") - Lofi Vocal Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1df7ad8e055cc52a50c1223c7e3d4da2d7b324bacf151d43072798d189233d11. 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/QZPJ32474586.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x723e2aba342255555edad3cb097a52e68e4ccb32692a97e87faaee35b1359775. 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/QZFZ32072746.
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