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 0x378a904e38e46d227f9a5d16c919ec5837beb867de148fd2bfb42759d8a43fbe. 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/c2dcea11-2713-4249-a989-15dc3636c8d2.json and https://artists.proofprofile.net/proofs/artist/c2dcea11-2713-4249-a989-15dc3636c8d2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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 0x8b34e3a48f46b5dd3795314be34765354c405cf9676c5af4f372905488ce51b9. Chain 2 (Bitcoin): anchored in block 958447 (2026-07-17T19:47:19Z), 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/QZTB52276228.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65325f1413eb2ea70d8ec6753911d155fc418813dcf511dd82523703874a22d2. Chain 2 (Bitcoin): anchored in block 959096 (2026-07-22T06:45:04Z), 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/QZTB72225791.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb15f9bfe729b570733d6750cabadad6689edb5c791a7c319b4cf2cc6b4c14a6. Chain 2 (Bitcoin): anchored in block 958965 (2026-07-21T04:29:05Z), 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/QZFZ32352685.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5847a10aba85d494e28cf41a0286e99940bfc1192f08acf30371dac421f86d7d. Chain 2 (Bitcoin): anchored in block 958063 (2026-07-14T21:07:34Z), 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/QZFZ72310539.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc66089f25cfb32914e33aa578f7f1c58714b5eed5ae3b7ba0efbb4dfec406f91. Chain 2 (Bitcoin): anchored in block 958340 (2026-07-17T03:15:48Z), 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/QZES72339075.
Plantas vs Zombies: Minijuegos RAP (Luckster)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7987136842ae0de98426667c414c7c92939f0d097095c12b231290b245f2b7a8. Chain 2 (Bitcoin): anchored in block 957647 (2026-07-12T03:57:41Z), 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/QZHN32306467.
Nikola Tesla vs Beelcebub Rap (Lucksterr)
Alastor, Black Hat & Bill Cipher RAP (Lucksterr)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97363bfee9fc5340dd72739c39d7c51d00b9408e707857be7ac52dedec35cec8. Chain 2 (Bitcoin): anchored in block 958342 (2026-07-17T02:36:05Z), 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/QZHNA2346319.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6066c5f9c1ec84f31ea9e89752a3635ceb18ee94cad66f568a227ad26cc2b715. Chain 2 (Bitcoin): anchored in block 958901 (2026-07-20T17:50:34Z), 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/QZHNB2335340.
Plantas Electricos Rap (Lucksterr & Varios)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x17a57c89662dafb1b0984ee01795703d004fb4acce1f7622850f157a94b2a2c5. 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/QZK6J2358651.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5322e677d0ccc14e10d59da6334f78200fc5f42fe2ba8766824b296e272e00d9. Chain 2 (Bitcoin): anchored in block 959043 (2026-07-21T21:28:17Z), 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/QZMEP2315295.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x838057dc9974412497fcd6c05f5fa2f74c104dae4314ae09a78e05a8e178c185. Chain 2 (Bitcoin): anchored in block 958063 (2026-07-14T21:07:34Z), 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/QZNWW2355132.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2beedd575bad3082e6b6b662f1949f5d60d8e4e209aec7bbf8bd4f72d363becb. 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/QZTB42345551.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3cf6bccdf90b8184449921e57aa3a94ee7258d3ffaafc9062c5a3b1894d2da4b. 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/QZWFG2384119.
Five Nights At Freddys 4 Rap (Lucksterr)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf314673b9bb6f100981cc79aa30c64ae0f3e6d5878bfd65b96ea753151d6d04b. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/QZWFJ2336495.
Spider-Man:Black In Back Rap (Lucksterr)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1426b6e827cb35639fe757d66fe26d76c31a97e0b1e0e8642964651a0e8d1f44. Chain 2 (Bitcoin): anchored in block 958208 (2026-07-16T01:21:19Z), 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/QZFZ42436656.
Ben 10 vs Los 10 Negativos Rap (Lucksterr)
Poppy Playtime Capitulo 3 Rap (Lucksterr)
Ben 10: CRONOLOGIA COMPLETA Rap (Lucksterr)
Five Nights At Freddy's Into The Pit Rap (Lucksterr)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2724b857b6cf593f4e556809fe3a190f8cc02fc4fda13a1e0bf9a85632dddcee. 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/QZWFX2421247.
Okarun & Momo Ayase vs Acrobatic Silky Rap (Lucksterr)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3e58d7c6c9159ba380f6f0c79db2ddbd0a552f8055866d86495b78787a82b73. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/QT3F22448322.
Okita Souji vs Susanoo No Mikoto Rap (Lucksterr)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ce8da9c7f2c32dd3c116c480ef14dc3064e690444741fe5436f1d08555adef7. Chain 2 (Bitcoin): anchored in block 958060 (2026-07-14T20:39:42Z), 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/QZES92533742.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7dc2a69c68f34082332a45967ba4b1092d332b085b082a27919dbe3c9a155413. Chain 2 (Bitcoin): anchored in block 956397 (2026-07-17T03:10:13Z), 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/QZES92536943.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc94a8223cc2740dcb9ccccbf25fc286d180f21a89cbf32b974bd48af5974198b. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T15:31:38Z), 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/QZK6H2501890.
Plantas vs Zombies Fusion Rap (Lucksterr)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4d6264c72339ebcd1db48028e82e9fb086edfd3ef5f81ba6d882bdb6e03f46d. Chain 2 (Bitcoin): anchored in block 958825 (2026-07-20T07:46:29Z), 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/QZTB42514572.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5e77615e111eeaf05d8d79b97822edbefd5e09d53d255df02fcf50b5dc1530e. Chain 2 (Bitcoin): anchored in block 958194 (2026-07-15T20:32:27Z), 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/QZWFK2516891.
Musashi Miyamoto vs Motobe Rap (Baki Dou)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b6b5f4c912e6b9245a68d6ccbd44e64349f0e3475c8d74d09d83da26ea21e79. 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/QZRP52351535.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2e188ddd5ff5d8bb3b10d9e6bc9de0366bbd55f70b46b261158697e40f9f026. 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/QZDA82262401.
Five Night At Freddy´s Macro Rap. Halloween 2023
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb334a9d7ca61950cbbb0785af69644dfb1d36f6980224e8752efc406e3c44553. 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/QZES72427866.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7521948246d0a5f09f2078b85b746897513296b01d5ac29ff3ece63f1016b5fc. Chain 2 (Bitcoin): anchored in block 960095 (2026-07-29T11:07:37Z), 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/QZNWW2360074.
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 0x02df99d0831c09912423d19280f776db5cef025dfb391d24e82f71ac68c4f950. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/QZTB62273644.