Chorus may refer to: Music Chorus (song), the part of a song that is repeated several times, usually after each verse Chorus effect, the perception of similar sounds from multiple sources as a sing
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 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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6019002918c634ef88aae5dbafb27ed65d1792fb063afcf83bfbda847b6c9e9b. Chain 2 (Bitcoin): anchored in block 953896 (2026-06-16T06:05:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/100c1583-ab44-4160-960c-bf74f4933e29.json and https://artists.proofprofile.net/proofs/artist/100c1583-ab44-4160-960c-bf74f4933e29.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Jujutsu Kaisen Hidden Inventory/Premature Death - Original Soundtrack
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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x035c0c0e2b9b9e75934d079b73d92cacefcd69b316b1e180f42b260267d957c2. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/JPV432300176.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2dfd0f81140fe8b417e41db6671882825b2ec2518d7e7e17b19d92d8185e7031. 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/JPV432300177.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe48f9939db239f4e9c2264e8bed46253b05e67edae38cb31426f5a4b84435ef5. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/JPV432300178.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9dc9db22f4760fa9583ffdf6071efe4a46dd0461dcb92201a13bcfab900d3363. 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/JPV432300179.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff66b36990322456b0ddf7a2718f9b0310147557a636d99ae608c21b47fd0844. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/JPV432300180.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc95b68c3dd0a82e330b28418c61bd4d1430699666339605cacc5641b2879d2dc. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/JPV432300181.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec8cc8adb3190d0f2e7555d089c401e0a13b8db398ffc4d99c1a73d5ab23318d. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/JPV432300182.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x27ea454bea245d7ceac10ac36227caedffb49f70fdc5faf1e0a4c3f678695203. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/JPV432300183.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d2acc693a6aaedd7ce8e1d607fcdc72c9d81554433d390421eaf6fd3b10125c. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/JPV432300184.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa009004fc49c787bdaa28bcf8ede392f5a3e628e1f6d084480ea6d3fc2cf969. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/JPV432300185.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81922783b6d95d0ba483a6b368bc8d268cab01087f2c145d289878091b264a59. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/JPV432300186.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcfc486e4eb8be1714b15a69fce68f0b3dffb7233097fd0fbf2909f08a15475c0. 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/JPV432300187.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4b80871a2bc047fc92deac779ed0013b9b3325e00cddeed2703ff383e4328f5. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/JPV432300188.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6df1ee663e9b678240b9bf6b10fbafc4d05f13c1b92833701eb49783c9c954c. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/JPV432300189.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c675fc4a473c7234e6c896d9eae676fc3348bf5f0e6f911a13c2841accbf3b1. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/JPV432300190.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7eecd2065d7a5cf932db49e85612670fda30548b085c3582d7aafce078191e00. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/JPV432300191.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74609504ec227671a80299c10bf15ee1a1808ac97d29a8e267b2791561b63d7a. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/JPV432300192.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc86a53a634cfed4340a6539b593ba9cf54a2606c415ba89e843316a195f2d1d. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/JPV432300193.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb656c3ad5455bc8b00949af1c3dbdf1bf28d6e97c81a5aa49ef44c588d32a6d1. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/JPV432300194.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3262e439df304d439f3d15f243bf9a1986ab395a8ab5943c1c4e6735dc36b46a. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/JPV432300195.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d28afa147f634f06dd605f97b0db7c65736fe171bcc54e0a460cae13253a09e. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/JPV432300196.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e3fa61f00d233dc6ee5bdb6cb3ee5d481d1f2804c70adb3bf732279f6eda45e. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/JPV432300197.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xefc4ca39ed94b0a5fd3681daebf0a314921aac1e17b94ac2b172b51b50e6ed9f. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/JPV432300198.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b3db09de38b1bd1750ac4317ea112d7c1b4bf1a0c83a918450acf130cf342f0. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/JPV432300199.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18c1aa8e971eef381e9df5b39d9b7a8993a7293216df089c688dee7c7a9cac84. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/JPV432300200.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b9e15d3a34a363807916a1876b9552dfa5c27e426e52306e8410b77946fc314. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/JPV432300201.