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 0xe3fbf4bf093c06eb94fe6717754522582f77244444becc42bab749a6015e029d. Chain 2 (Bitcoin): anchored in block 953968 (2026-06-16T16:01:49Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/296548b2-fdd5-42f6-8168-815c8344f8a3.json and https://artists.proofprofile.net/proofs/artist/296548b2-fdd5-42f6-8168-815c8344f8a3.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 0xa74f8a47acc7d86d97693700f022e130a814bf46c032a4de791f236492dd25a3. 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/HRA260302802.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c1dc99970a6234867acae66bb4ac478b115b7ec3b319668ad4382f30040c00b. 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/HRA047566451.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x697ec25f68a822d5f20ef343ace33ba8ab82449461201f7764e3e5700461b330. 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/HRA047345084.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2fcb6bd7cea4462763a93fd3a364cb54b870434409fc4e840d7367e0c58ff811. 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/HRA047043237.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87dac5f95ce38a1bce5ea9cd265f2ff3833371223cc2a71bc1aec83a4a59a039. 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/HRA040627344.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d29f69f6d0e67b80ef4599f73bc6f5be8b7f5156949100813cda9ba9f8bb896. 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/HRA047166548.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d636141ca4b7f2d2dfe366572f6cd457ba9037050d24db6c5f505e7c13994e6. 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/HRA047015118.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74737827d80a3866d570631e57fe31842947d429c9cfca0ea82d8e2f27e1a8b5. 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/HRA047226362.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64214a151bbe64227f1ebc6d731bffddedebb400cb1237206bcf8a4474b82e42. 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/HRA047129310.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2d594acce8a691693f3113ad1a813a06bb096a10d7a061809090ae9ce098fc8. 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/HRA047313271.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16e34b5bcb3e5717c151d58f6ea265944a985841fe4d623899f7d2790f7f28a4. 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/HRA047108817.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xceab22bbd87cd74d4fa37b312c4c4121f137acb2d937c5fad3d43e330290ddd1. 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/HRA047126363.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9e830f613d26d1ce636347d1e013582682116c1d7dd971eaef5df6c890a24d9. 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/HRA261013603.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1801b3b4b9406a82e1dd693b301e7933dee3e5b6a26abac88c65744f499246f5. 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/HRA261013613.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5bc92d40a91d36c76cf1128d9f443913fa8243ba8507837bc9773883db5fe4b. 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/HRA040040447.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74aefe18a210f7e7e549e6e2868caf1f80e4bfdf8ab1d7d15436580eac6ad3c6. 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/HRA040642319.
100 Originalnih Pjesama - Splitski Festival - Ništa Kontra Splita
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23639bba7745406309a84f5d10b233a67f3d6903b95fc78c298896970cc3cf61. 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/HRA049836511.
40 Velikih Hitova: Ljubav Postoji Zbog Nas - Najljepši Dueti
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23639bba7745406309a84f5d10b233a67f3d6903b95fc78c298896970cc3cf61. 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/HRA049836511.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed77a253cd4c36757155a1aa0d8d9eb08f6981df9e7d0113e579a8190458a906. 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/HRA040243568.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42bdf0192fb36b6a3b98434f6384e7b7eda589cd538cac0787f7a1e8456837b3. 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/HRA048406470.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4fd8c4f7046ab356765fd9a0e1ddbcf2623f27fed87d0332cd6864a06d4a569. 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/HRA041582410.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1820bd335e3b411aec1533c729fc582e6b1359fecaec5ae84c2f377848f590e3. 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/HRA048365985.
Mozaik Knjiga - Radi Se Jih Spominjamo (Box)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f595ff0d5b1174241a3cc5436c1d1877e2cfb2efb6e6530ea6115edbe6a1e77. 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/HRA046707415.
50 Originalnih Pjesama: Moja Domovina - Najljepše Domoljubne Pjesme
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3aa73a2245204314f7f8656161153e1308d6e8bd12c10ca6e4775f3aa28f899c. 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/HRA049126020.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52c4ce00a24c7635f31faf228174e7c4b1a4b15152f1bf8eb1b3768e65cfe868. 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/HRA049126072.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38ebd9bc4b2546bf82dc28b3f89a9aededaa0b9ce92e09b6119ee017b0f7cb72. 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/HRA049440861.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52c4ce00a24c7635f31faf228174e7c4b1a4b15152f1bf8eb1b3768e65cfe868. 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/HRA049126072.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2df42212ae902296afc358105c5bb7ae1ca254d1817bc896118e20784a00b09. 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/HRA049226980.
100 Originalnih Pjesama - Đorđe Novković
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7618a34e2652372910269e235f01161f8d00077f24234ac8351569af74fbb2b. 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/HRA041582449.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8dc29a5c1bd15fd6124ee7db5a11d74378bd1a0608325964ddb1f612e41d33d. 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/HRA040645916.
40 Velikih Hitova - Dalmatinske Pjesme - Noći U Dalmaciji
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x709f350c14bce0337315ce025a006bfd0c0432d531d721bf87cb59967d6505f5. 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/HRA040632350.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28b1c9c63d4a55655cfed89c42c4729cfb54c2eb90bb74b6ee79719f1cd2124b. 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/HRA040546439.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8e08a52d454fd44f839a34b0f499838cb7f3d9de81ca503ac740181fa85dad6. 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/HRA040546451.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd44b8002b2b231dbf281860b51811268ef7f2470a573dc63ed3572de39d1637. 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/HRA040546465.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97e34dd7020ba14c094011c98f6046b88bbbc5c06c5bad0435b73304a09aa6e1. 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/HRA049010690.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ca9011d67cfb2316b97481a23fc561c75f81c7320db6aa9270df3ada8e296e0. 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/HRA049022885.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5fa4f04ffdedf06f3fe022099ec3e191f962093c206e63ef4b728494079fa419. 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/HRA040521041.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1be17dc02479334f1c54579eb165294ecda49796e545ef2e2854ed3101d8dd7f. 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/HRA040546578.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c7e44425527708a3f865f235f5365497bed214e734f5db43f9ccd3dda369cbe. 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/HRA040546583.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe135f19952a57b6a1bc05f78001190373f99dfc5cb1fb485af8a96bb4a8acce8. 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/HRA040522882.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3a2bc890550711e1aea3b69df14ce0eb0d2919f3e16061f61d43ad486e5b785. Chain 2 (Bitcoin): anchored in block 960240 (2026-07-30T09:57:33Z), 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/HRA047006405.
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 0x7bb50c5b56f82014c8cd7a0909e9b88a5b009efda6db851f67970e12a36f0b31. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), 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/HRA049022657.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x266f10fcd4386b7526b711ba0c478fb7fb032f07a3545591f1d32aaf63c8c9ee. Chain 2 (Bitcoin): anchored in block 960125 (2026-07-29T15:38:18Z), 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/HRA040531838.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2090fac692fc638b0cf27d7dd99541c7354fbb258a810ebdbdce8d798bab49dc. 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/HRA047046577.
Kud Plovi Ovaj Brod (Special Edition Ep)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34346ed077ce6aae470277ac0a23e99b02e6a6dcf6f2f358f1bac738c23967eb. 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/HRA040633280.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e4d7d9c6f0dced1076f295618eace0509438392741ceab55ae8ce2b2219052e. 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/SIA631200738.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9c06c227a113cb76f2b2259a938f60235aa2fb649d0d31f8c59161c725ea37b. 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/SIA631200742.