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 0xd6ecf179e9db1a18804a5c15bfcf22fb25e3848782b9c53193b5eb82460079e7. 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/d23d9ce9-f8d3-4b27-8e3c-0607e5a300ce.json and https://artists.proofprofile.net/proofs/artist/d23d9ce9-f8d3-4b27-8e3c-0607e5a300ce.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 0xccff097750916f107c4d668b8a57ed8f56b580615e22fc3dc2b022d2bdbfc43d. 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/QMFMF2353274.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7179d653020ca8212eaa810afe249c5ffeec3384bf9509b11ba45fd2869af6b6. 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/TR4952300098.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd9bd9ec2c5c5dd49e30d662f23c8e27deb47c6443241230e5a7f2cbab9fdc31. 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/QM6MZ2503709.
Bahçada Yeşil Çınar (Gizli Bahçe Akustik London)
Bahçada Yeşil Çınar - Gizli Bahçe Akustik London
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ba8d550edc3aecd4f4ed21a30d951371a13c15dd42b551951dedd743ef3385c. 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/QM4TW2505564.
Aktaş Diye Belediğim (Gizli Bahçe Akustik London)
Aktaş Diye Belediğim - Gizli Bahçe Akustik London
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc732b504cc6ff413a4c76851b522facd05f1e498eaa5471525315c7f68aa5eb. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/QMFMF2458094.
Aşk Yoluna Canı Feda Kılanlar (Gizli Bahçe Akustik London)
Yola Gel (Uzun Hava) - Gizli Bahçe Akustik London
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2abcbca11db0f827e11ba6460d4bd4c74587cefb41bbdbff0064012ff326c8e8. 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/QMDA72495766.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6845c0fb5cf1cedd525863706513e96f9781dba68437b65641509078482b591f. 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/QMDA62458044.
Zülfü Kaküllerin Amber Misali (Gizli Bahçe Akustik London)
Zülfü Kaküllerin Amber Misali - (Gizli Bahçe Akustik London)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94b945d32d3492c205da2c444923c0b38e5e8619f91f642f960faa8a2dccbde2. 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/QMDA62412156.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8e52113122d782386694bb88e06d24be86f8b5191d052e27af1dc89ed882d87. 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/QMBZ92477289.
Daha Senden Gayrı Aşık Mı Yoktur? (Gizli Bahçe Akustik London)
Ahçik Çıkmış Kilisenin Taşına - Bir Kökte Uzamış (Uzun Hava) [Acoustic Live]
Bir Canan Götürdü Beni Bahçeye (Acoustic Live)
Bir Canan Götürdü Beni Bahçeye - Akustik Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8887ab049e57cb76118bbefc65edc36809db38f0345dc59fdec5b9c893920ab4. 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/QM7282450306.
Canım Efendim (Gizli Bahçe Akustik London)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0928c553d96f1338ffd5a4ea0c357bcb01f6f769f5a006687110c231c1bf32ec. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/TR4952400071.
Ben Razı Değilem Hicrana Gama (Acoustic Live)
Ben Razı Değilem Hicrana Gama - Acoustic Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02090eab48fb5de898d1a9b487ca829acdfd037506b4cf186c0e8d099f342c57. Chain 2 (Bitcoin): anchored in block 959114 (2026-07-22T08:41:42Z), 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/TR4952400037.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95811a64a7746ce1c9bb769c82646d13e378970203802ba09c4a93f9a950571e. 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/TR4952400033.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x29e7ee657b07fcef3659cbbd3af4e1bdbf4fe4902ee421c32f26c57af88dc9a5. 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/TR4952400054.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf7dc772f001d8e9617c776e0722559f7610c352431e758bfaf75afbc969e252. Chain 2 (Bitcoin): anchored in block 957075 (2026-07-07T18:50:38Z), 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/TR4952400048.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59dc1d1b56e2bcda8e5e31b2ccbbb0833c23fb922bcc959e075188f288618c7a. 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/TR4952400047.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4302170fef352869ca5802814fad272f3599b88e44dff0f4b45ec44d9199bdfb. 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/TR4952400035.
Yine Gam Yükünün Kervanı Geldi (Acoustic Live)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5d7c6f1b409c2a87801cea0eb82cc75d2d34b11ae90d4329aae988790f425c9. 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/QM4TW2442603.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb80f447dbad164a36439cc1a8255bb2e9b496ffe74a1351244870600e18ee123. 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/QMFMG2304981.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67c302ba7ec9a586c0f8e96b5b728426455b33b176930b65dfefa9289810b5f7. 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/TR4952300136.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4df6dc184454d60278360252d6c848553c9f786ea2da3b1e46132c6e63a21f65. 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/TR4952300029.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ba1986874176a16336c852dda71b2ba16e435e49b5fa347de56879d3c3467da. 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/TR4952300170.
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 0xb64d1472b33b7c4f376dcb35ba2622e0e18afe954df87c08b9719c1808e71134. Chain 2 (Bitcoin): anchored in block 960298 (2026-07-30T19:26:00Z), 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/TR4952300030.