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 0x9fb0cecbd831f464f5c6cbbac4dd629fe705fa84392158cff4ab31ac4a41d3bc. 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/5ea2fcf4-6973-470b-82ef-7fef6cb557b0.json and https://artists.proofprofile.net/proofs/artist/5ea2fcf4-6973-470b-82ef-7fef6cb557b0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
GEINOH YAMASHIROGUMI Live - "Hirakareta Gassho" Junen no Tenkai
芸能山城組ライブ～”開かれた合唱”十年の展開
Ecophony Rinne 1. Primordial Germination
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 0x8bcc3765ac892fb5c920d6ec1e1fb5ce893d1b5611798d2d391d62337a4320bd. 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/JPVI08606600.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44ff2da4c0db219c43a6cd9dbadac0d92f3b85a63529689e88ff6ad6203eaf22. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/JPVI08606620.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd550a548c2d018f5c0aadfddf53e1c7486acc78abd568bb04c58ea981d760fb0. Chain 2 (Bitcoin): anchored in block 958331 (2026-07-17T00:51:54Z), 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/JPVI08606630.
Kaneda (From Akira Symphonic Suite Original Motion Picture Soundtrack)
Ecophony Gaia 1.Reimei [Prologue] (Chaos)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86d892fc4a525cba63795be952689c54156f3de9a6bc08502f271b9f2e736317. Chain 2 (Bitcoin): anchored in block 956862 (2026-07-06T02:10:22Z), 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/JPVI09017310.
BATTLE AGAINST CLOWN Remixed by Makoto Kubota
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31739c03c02f6498934ccbdda19bd24b092009b60f4d94f9363167bf0dc6bb73. Chain 2 (Bitcoin): anchored in block 958373 (2026-07-17T06:09:33Z), 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/JPVI02400672.
WINDS OVER THE NEO-TOKYO Remixed by Makoto Kubota
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdacb9633c8a7abaae235ff531097fd556fe0d6dfb8633f0edccfcdc0ff252c8b. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/JPVI02400673.
DOLLS' POLYPHONY Remixed by Makoto Kubota
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f50c09cd5f247d7b23c8efb6b1b184ba44c762fb64554b7b500402e098964a8. Chain 2 (Bitcoin): anchored in block 958907 (2026-07-20T19:06:05Z), 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/JPVI02400675.
BATTLE AGAINST CLOWN [クラウンとの闘い] (Remixed by 久保田麻琴)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31739c03c02f6498934ccbdda19bd24b092009b60f4d94f9363167bf0dc6bb73. Chain 2 (Bitcoin): anchored in block 958142 (2026-07-15T10:09:30Z), 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/JPVI02400672.
WINDS OVER THE NEO-TOKYO [ネオ東京上空の空] (Remixed by 久保田麻琴)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdacb9633c8a7abaae235ff531097fd556fe0d6dfb8633f0edccfcdc0ff252c8b. 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/JPVI02400673.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa0eb9260fd0a630b01abf3961e22261379b5039d3197185d49508e169adf310. Chain 2 (Bitcoin): anchored in block 958796 (2026-07-20T02:18:47Z), 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/JPVI02304992.
DOLLS' POLYPHONY [ぬいぐるみのポリフォニー] (Remixed by 久保田麻琴)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f50c09cd5f247d7b23c8efb6b1b184ba44c762fb64554b7b500402e098964a8. Chain 2 (Bitcoin): anchored in block 958404 (2026-07-17T11:34:58Z), 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/JPVI02400675.
EXODUS FROM THE UNDERGROUND FORTRESS [ケイと金田の脱出] (Remixed by 久保田麻琴)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4508f9d7d725e8cfc5c94db85b50cbfcde7b5236ea8fbb9ac76927f3fb79aeb5. 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/JPVI02400676.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94707ba4a5f44965ffcac515da7b6ca91952ba1516a802adc526e003ffc7ac80. 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/JPVI02400678.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1330df21d86b586caf6e88edb41d5e34f44b5082716ccb98e3c18c279463ab6b. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/JPVI02400679.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31a4b8774c2a59c39b9d47b2167d1adfa3dbc008f83432ae201095c2cab19832. Chain 2 (Bitcoin): anchored in block 958480 (2026-07-18T02:58:58Z), 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/JPVI02400680.