WYKO (880 AM) was a radio station broadcasting a Spanish variety format. It was licensed to Sabana Grande, Puerto Rico, and served the Puerto Rico area. The station was owned by Juan Galiano Rivera.
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 0xe46e72aa00a58347f028cc40b2d001da76097e1395359b6958bba99c60541c37. 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/e0cfb77e-f21c-40ca-9f27-20af6021ea83.json and https://artists.proofprofile.net/proofs/artist/e0cfb77e-f21c-40ca-9f27-20af6021ea83.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 0xe48cfd0a70a9b2ac731c2ccf7b37fd2fdc07bac4821f5cf58c281139f867c3a1. 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/DEPI82322640.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x801569fceec876bdfc4961afa7207c49408c0a53103f1be1f87cf87564097c49. 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/DEPI82322641.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23809c886f4f4da4cfd14d974d2fc04e3bf3f7ff284fbe67b177d518b30edbe0. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/QZHN92396465.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9da72e23dce0b6270bfda9aba3eb7ee79074193c8371ae9062f066f5a316ab3. 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/NLD682300863.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b9cfcea4f32242ac715b1c5d81f43e72c655b7fa37939de44b4bb200e1049cd. 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/NLQ8D2100521.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a2c5108eed58585427339c108ba295c9b3af42fe1917efa4f3a2d03d794df31. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/NLQ8D2100535.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff9fce97b5918661815a87463c41693f7fa0663b68f88b1c81440a7f3f36c804. 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/GX8KD2400613.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6cb2ff5217e568b45b8f29f94cf75fee3b61e9bf30d857e3c103a1604f18bf00. 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/ATEK02355560.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd279c750d7d7e7830fe2e8eccd7563c0fc8e74d5822ffe40c7799cf93f8f04dc. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/ATEK02377008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x607c8aef048e6dbd93980cfe53cf34afcb30c8e57f0e722fcb771db04fdaac3e. 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/GB2LD2310038.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2aed8e1ceb448062316e21fef42a75ef7390553ade05f8fd65882f738b2cbffd. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/ATEK02377014.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x867ae12ae8d9cc1410aac75767a82ddac103348271bccdba664104283e0a8d6f. Chain 2 (Bitcoin): anchored in block 957061 (2026-07-21T21:26:38Z), 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/ATEK02355010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0fa19c32539ed9a89f6097127ec735def0d61496a9ce55396a32a6c3a0986576. Chain 2 (Bitcoin): anchored in block 957075 (2026-07-21T17:17:54Z), 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/ATEK02277664.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95cd06e79dd447c3cdabb8aa412d2020e7fa8e0ff3cf6cc19e7f1df383e9c0f9. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/ATEK02277501.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85cf46ac88bf21b9c4b846aa1b9e1055f7dc29a177e3627ed6e12ddbd8d8cc6b. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-22T01:25:53Z), 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/NLZ542101543.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf5e8168cf4bbde85fe848d84c3afdfb5ece973d9ac213f45f6395485437b52b. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/QZK6M2103687.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb72ea9cdf3a65f28ba31231ae6b71df9c4669b5da7d0bcf72654c426ee33d947. 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/QZP7F2129008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b61241bdc2b00ee05d86d6225689048c85b1ce7f889335c28a0c57ccc54862e. 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/QZP7F2121431.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f1f52e8cd2c21e6926cbb46ca669c593818d34b1b3823ad1755205e41151124. 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/USA2P2114195.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb3bd85ae80263de11e40dea05264aceae7e0687ed4c49cb4211e16f6137969e. Chain 2 (Bitcoin): anchored in block 957020 (2026-07-07T09:18:01Z), 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/NLQ8D2100149.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31291148c8dab47c27f2e280ca43ad0545f573d838e8db6f5723987664655f73. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/USA2P2044824.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc246236ef9c32bdfcdc6f25ebed7ec0627a017f243fca9f6ed54b1e4de702342. 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/CAWHO2031706.