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 0xca2d98c3980cff49b991131f7b9aa46e11b8fc19f959a7e6f47f18dca7be179e. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/47f50826-b535-4c59-b97d-739de67195fe.json and https://artists.proofprofile.net/proofs/artist/47f50826-b535-4c59-b97d-739de67195fe.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 0xba91611993aabc936496c3ca67c66ab0886c42483fa81afe0e93f92a975f550f. 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/QMPKX1445552.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa34305c4a9db164a092eeac15006ca592b8a936f7e93a5bf7492c76161efc0ed. Chain 2 (Bitcoin): anchored in block 958650 (2026-07-19T03:36:41Z), 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/QMPKX1445564.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b1dcd0da133ddefdcb24903afe916e0e4edf92cc2cf9ef39d8084c6b1f065f7. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/QMPKX1445550.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7502331d732e729505cbe34b59b0ede1855b05eefd6defd45906eba6fade80f. 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/QMPKX1445557.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4cb4eac19287a9955b3f550f8dcb46ad5ec8c53cd178885d4a249ecd0d673dfa. Chain 2 (Bitcoin): anchored in block 958520 (2026-07-18T08:19:09Z), 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/QMPKX1445560.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7a046ea49efffdceb057847c578244021955e8d3c058a7e67c431eb1f39ae42. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/QMPKX1448846.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a5588624ac77b17c1d3dded1208c96875739b70fe01652fc9483d243b69617e. Chain 2 (Bitcoin): anchored in block 958774 (2026-07-19T22:41:58Z), 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/QMPKX1448851.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaae2955fde569cb012b98431bdc2080984da52445a816385968b8b3297922a43. Chain 2 (Bitcoin): anchored in block 958091 (2026-07-15T03:17:03Z), 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/QMPKX1448852.
Skalavera (feat. El Tambor De La Tribu) - Original Mix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37857e046673155c57bb10bbd114c0ffe4d99f0e264abcf8b4f8c88661ad0664. 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/USLZJ1540906.
Skalavera (feat. El Tambor De La Tribu) - Radio Edit
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e19aa8b96b015df51506e92d16ae0a0ff7349bac843cdeff17afa680e682690. 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/USLZJ1540908.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf5840dc2b8b3eba36aef56cbd411dc3196504e7a426bf561aba962a46f28cdd2. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/QM2PV1773527.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x256f53ef18a271c2f4e734667d3bb336a3860c22651f57706285a307917db3b7. 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/QM2PV1773535.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x122220cfa4361c2f6c90651e94930f18893b31ffbc8fa95b44162471e6ec6f6e. Chain 2 (Bitcoin): anchored in block 956790 (2026-07-20T00:26:27Z), 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/ES71G1821117.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6be0971a9d60c5bc3c2e7c856411b7e9d756dcc3d3018e5268902b0e02f5d04. Chain 2 (Bitcoin): anchored in block 958832 (2026-07-20T08:11:10Z), 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/ES71G1902179.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5984be3454c7a771b369f3bad245b9508a49e28bd64818aeb907d058cd03db43. 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/ES71G1926362.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x676e418715440edd8fb0fc4a9bcd4504e55aa008331d14a23ed0f5ce2805b2dc. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), 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/ES71G1943428.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97e1e047242b618c1ec77f4c6555799b2ef4e4c6ba9d58695637fe65c57c260c. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/ES71G2019740.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3abcfa9360a926e2448986ada79aff59a8267f16358d893ba257965b7e41e49f. Chain 2 (Bitcoin): anchored in block 958816 (2026-07-20T06:36:35Z), 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/ES71G2045005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5284b85388c7952bff3a4ce72678b9f0d4a23909f17fab7a2d137afe38973241. Chain 2 (Bitcoin): anchored in block 958368 (2026-07-17T05:03:25Z), 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/ES71G2045006.
Es Lo Mejor Aunque Parezca Cruel - Livestream
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x679bf7da7c618b795fc2957fa1083331c97eee59ba37b052b6bfcff96f3affc3. Chain 2 (Bitcoin): anchored in block 958568 (2026-07-18T15:23:47Z), 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/ES71G2044996.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea772d488ff4f5d82c3e77b4381c3ed5655cbdc71fb73c546a663141da118c11. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), 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/ES71G2044997.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4eb36589264e0d9e0909abb8ba38330715a8adcf9fc684d85601246b1a9a5afd. 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/ES71G2045003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc65d7a26fb0921358e3e2024b0e83894396bdbd1977f5d3200b139e1035cad5. Chain 2 (Bitcoin): anchored in block 958749 (2026-07-19T18:00:27Z), 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/ES71G2231003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfaa70d85038f4931d7d7335213d3f0fd75d1e6fc27f9dee41ba371c749c8b17d. 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/ES71G2300391.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4923c8124519c9516fc90be9c718090747844149c4bc9815b6e539df550e3d3c. Chain 2 (Bitcoin): anchored in block 958110 (2026-07-15T06:57:12Z), 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/QMBZ92538274.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69ddaa3c72ab6ce4e6e4248ac1df21add88dc9a736ba76a0d10481148a7213ef. Chain 2 (Bitcoin): anchored in block 958110 (2026-07-15T06:57:12Z), 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/QMBZ92540891.