Ebony Tears were a Swedish death metal band that started out playing melodic death metal which was prevalent in the Swedish death metal scene at the time, bearing a strong resemblance to the latter-da
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 0xe7e0779de16b8be982da1429e1cd631da6d4d5fb3c06378b392918c0ee981534. Chain 2 (Bitcoin): anchored in block 953889 (2026-06-16T04:57:45Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0e326414-cde7-4b4c-bc21-9cc9b7d11a64.json and https://artists.proofprofile.net/proofs/artist/0e326414-cde7-4b4c-bc21-9cc9b7d11a64.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 0x74f31ea142523aaea88a725de3d1b1c4b5a7b6d59d585dad70f17fbca9a887dc. 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/QMBZ91551874.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x882b7f9aaa115b10ff04984a57acc5d3bf80ddf086715c16e5321d0998b5f4a9. 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/QMBZ91551875.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76181d73838c29fa79b6ed267a908f2836fff22dd43f3ed3d27b8a9ae3f6e45b. 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/QMBZ91551876.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7bc1693849d9febc476127e0878effc62ca30eaa0f653114364df038b7ac129b. 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/QMBZ91551877.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb81d18ec383efcee7eefdd33905c4eb8400f59bd0c37f0aaa1547490139f0e9. Chain 2 (Bitcoin): anchored in block 960354 (2026-07-31T05:48:18Z), 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/QMBZ91551878.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd5c41b4efb9646673ac6f3eba3116a229fe618a1de7da3b596932f002859eed. 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/QMBZ91551879.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x464b061262cfdc37de08488f418fa815c3b803d4821a7f40c506c49e93045904. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/QMBZ91551880.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x514fac95283dc57d7270e4e711caee48101d0ab805d7f78c54e96961f65a4e02. 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/QMBZ91551881.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0e659576d56e91fdf410866061c30f463b059d82ec2d7458079499cb6db1206. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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/QMBZ91551882.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa4e8cb7aa152c1ad4316b210a011e25bfb47ad671cbd716768f7b81677906a1. Chain 2 (Bitcoin): anchored in block 960500 (2026-08-01T03:13:03Z), 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/QMBZ91526573.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b0faeac8ff89aa210feab7f7b55bdbc5bbcf32b75837c5246ee9e40e0cbd710. 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/QMBZ91536661.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5955185c49b2ef414499e65a6fa1aee8589bc44816f8463a0055e22c73e6926. Chain 2 (Bitcoin): anchored in block 959118 (2026-07-22T10:01:58Z), 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/QMBZ91536662.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74f70f4c25aa99f72107c73e9faccbe5125cd038c206fa81932ffffd3bd5b28f. 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/QMBZ91536663.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d4228d17f52092d2ff3d2b5c40939810e34674d27d941af200455642d4e1f62. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/QMBZ91536664.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34ec9f0221fc9965e5f0087c6e9ee5fae98ba89f04d772e7584dd9114d184875. Chain 2 (Bitcoin): anchored in block 960500 (2026-08-01T03:13:03Z), 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/QMBZ91536665.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfca45cd17fcf1f704254b4b9962c0870d6e53f140b1af9bc2ec3de3d2f74450c. 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/QMBZ91536666.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcea210ce0126522c8e16413e085dbf8768d5b669855cc828a5196ebd6b0dca04. Chain 2 (Bitcoin): anchored in block 960376 (2026-07-31T09:09:19Z), 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/QMBZ91536667.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36c91dab2304d5e99c08c00d8ef05a244d8e464f377a8b96dba8e64982f239fd. 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/QMBZ91536668.