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 0xe7d48a8fb2bfb1d55f2f4fe5fecd8233a9872679a530f84ae31d0f850c760382. 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/1098c12b-1643-444d-823c-33ee520281ac.json and https://artists.proofprofile.net/proofs/artist/1098c12b-1643-444d-823c-33ee520281ac.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 0x4e4fa7455a00492b73c387c7d17df115e595864e2817ed717e6f68e150953f8d. Chain 2 (Bitcoin): anchored in block 958153 (2026-07-15T12:03:04Z), 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/QZAPG1728509.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73a6900558ab546012b44266d75d0279c85ca5bfbeaa2af6d80953b8f6b97db2. 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/ZACN41600021.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaba399b7ca7cb67d8f874ced366e3574db275540206ede9812afb68be4581be4. Chain 2 (Bitcoin): anchored in block 958543 (2026-07-18T11:58:44Z), 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/ZACN41600023.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b23f447710bb53c987322de247f40ad8974c629f21675295a1c5c2f25a2dc11. Chain 2 (Bitcoin): anchored in block 958596 (2026-07-18T18:42:38Z), 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/ZACN41600006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5bd358f3f38a3d8befe6a32b6bfebe5d881e07ec29dd8f5af3a68f93112be4c. 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/ZACN41600009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea3ef3911e327007f69a67fd1302d304ce304b5d086ae0840b0dfcbbfe7447e5. Chain 2 (Bitcoin): anchored in block 958607 (2026-07-18T21:01:11Z), 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/ZACN41600131.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc807f47df8aee394547ab088e0e0a0e9cbf64510e4506cb6078dd944031509a4. 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/ZACN41600132.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2afd5b555fbaae04e5571931e6dd68bbd3db73dbe54b2b54e9df914455b96465. 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/ZAO861900088.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b425a46c4148f1f0bdceecc9a37333238b5b7249847bcf00d30e9cf4f86d5a2. Chain 2 (Bitcoin): anchored in block 958942 (2026-07-21T00:24:07Z), 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/ZAO861900094.
In Jou Huis Met Dewald Wasserfall en Vriende - Inbly Konsert (Live)
In Jou Huis Met Dewald Wasserfall en Vriende (Inbly Konsert) [Live at Precision Music Productions]
Shallow (feat. Demi Lee Moore) - Live at Precision Music Productions
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82b1785df010d68a7e0540c408d97f22c95777f15d0a45a557f7144a4f43c52e. Chain 2 (Bitcoin): anchored in block 958942 (2026-07-21T00:24:07Z), 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/ZAO862000383.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7bdefd3916cc7d397fcf0954dc9cdaa454e7ec69be4454129b6e57de135d1258. Chain 2 (Bitcoin): anchored in block 957642 (2026-07-12T02:46:48Z), 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/ZAO862100014.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdef0417abfa682eb22a6bbd754653932de21e5a1aa99c238cd7c115e783c7c77. 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/ZACN41600018.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf8448fd79d62456ea922f4708a711a5ae649fc47c2e488d3d6421cfc1137820. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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/ZACN41600017.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6462b2718d16b564120378fab9e77f6aedfbb9b40ead2023af09e9583181e6be. 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/ZACN41600024.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb90b68dba08e03feba94b169a53255cc29fa0fbd05e02cfae615f496b8648f33. Chain 2 (Bitcoin): anchored in block 960459 (2026-07-31T20:22:46Z), 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/ZACN41600004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6b1811b5dff6ee954233d2b783d795dcd65c7f8b288086e3f148b0f1ce88d6f. 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/ZA34K2200721.