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 0x61b349eaf21e184fab63158ddefb302a346271e3e489e697ad96633bc8963e78. Chain 2 (Bitcoin): anchored in block 953641 (2026-06-14T13:54:28Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3ba84d28-c3cb-47af-82d9-32b4411f6661.json and https://artists.proofprofile.net/proofs/artist/3ba84d28-c3cb-47af-82d9-32b4411f6661.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 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 0xa3d3aeb13bf516eaca7037dc1bb72112418779e78207a5582bf33b448a75a832. 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/USDY41633613.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e463a7bdda577302c9cdd1781b804801842438ba3c1f7634cf3cacf2055eb63. 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/USDY41715824.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ce28339aee53af8f0ecad1b03f02cdabb0bc0bb029c23be6c9e5a991fb8b6f0. Chain 2 (Bitcoin): anchored in block 958126 (2026-07-15T08:17:14Z), 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/USDY41715825.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6e17d5a4f401ea884e90e7f7dbdaa430211673d2cb10ad83ec2b58eb637b24c. Chain 2 (Bitcoin): anchored in block 958931 (2026-07-20T21:15:01Z), 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/USDY41715826.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a665752fe45debd9113458b5d6b8e7b59225602f76137f1aec8c31d0b3b44e2. Chain 2 (Bitcoin): anchored in block 958461 (2026-07-17T23:18:11Z), 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/USDY41715830.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a70698c88d8e3de7fddfc9bb3788100a249b795bf46b45b0148e27ec8c567e7. 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/USCGH1746288.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce709032dfcef4ff13c8491159c8bc19b43452191a7eb462f1cb5d4c72734342. Chain 2 (Bitcoin): anchored in block 959159 (2026-07-22T17:48:40Z), 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/USCGH1799854.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe22d2a4090d616c3029ed6d3b3513896ccb0be31ad5da4ef81bbbef64e31ccb9. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), 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/CAGWA2100059.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3476bd9c018bff4313ed53ad128edeed231e295f577779988aa2a2ac12d92735. Chain 2 (Bitcoin): anchored in block 960294 (2026-07-30T18:46:00Z), 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/CAGWA1800106.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ed656de5b56499ee1d9d558876449647607d859f147116eeb62b6cd3207d2c0. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/USCGH1799859.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36abe8528cfa648fc49b7646d74695d58cb501c0ac5055eff93442b17bb44300. 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/USCGJ1775777.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d4ddfcdbb629e1781af9bb7ca9ea784da0f538c4235d2636e2de1617421a038. Chain 2 (Bitcoin): anchored in block 960473 (2026-07-31T22:27:44Z), 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/CAGWA1800207.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3338afe3b3a0bdffd75721b3f072cb60de56ab580694c1754c60724592edf36e. Chain 2 (Bitcoin): anchored in block 957011 (2026-07-07T08:25:35Z), 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/CAGWA1800208.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3476bd9c018bff4313ed53ad128edeed231e295f577779988aa2a2ac12d92735. Chain 2 (Bitcoin): anchored in block 960183 (2026-07-30T01:10:20Z), 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/CAGWA1800106.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e89d5e53cb8f4433e66a1c82b95c9b0b5e014d7ac9398232affe70bfce5f756. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/USCGH1799838.
Seeds of Imagination - Compiled by Rikam
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaabcab5128b555a669fb9ba55c871b9039a50f4dd669cf7498f06f4554309aa6. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), 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/CAFPA1800010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36abe8528cfa648fc49b7646d74695d58cb501c0ac5055eff93442b17bb44300. 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/USCGJ1775777.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c2bc77a45d2e8d6e5bd0e35a0e2858efbba13d8b0e77643771a1e8ff7ef52a9. Chain 2 (Bitcoin): anchored in block 960481 (2026-07-31T23:51:35Z), 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/HUA4X1600024.