1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 0xa4bceb15a21b1d73bcbec23525907ae4c62e6c8a2c68813ca4271189b8ecf7da. 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/6502b21b-8b7f-481d-b1c4-63d326b7fe1a.json and https://artists.proofprofile.net/proofs/artist/6502b21b-8b7f-481d-b1c4-63d326b7fe1a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f4fc327b5778b48125d7055a4a78bb54773fd0dd879e47f44c09e17b07b83d3. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4uVdMqMtxxORHtXpdyWm7v.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4uVdMqMtxxORHtXpdyWm7v.
{"copyright_id":"0x0326dc7a36453bd648f943b6da26975f12b74d29279bc5dda7708459f564a9fa","isrc":"ESA012173486","name":"Carnival Amongst Other Things","registered_at":"2026-06-08T09:02:09Z","spotify_id":"6rjgcC5E5fCJhvYWsmdbJJ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0326dc7a36453bd648f943b6da26975f12b74d29279bc5dda7708459f564a9fa. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6rjgcC5E5fCJhvYWsmdbJJ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6rjgcC5E5fCJhvYWsmdbJJ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55c6a0fe6033953e469fd605e816e55a52a59a76e455e69efe4a1b66d90c8b83. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6xwYkMSU1wJjgED6gaCwsu.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6xwYkMSU1wJjgED6gaCwsu.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x427927034fabb00a57c4ea7cfb292d13a90e36368327307ccb8423b748d6a1fc. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7oJ5dDLB28TsyxgeGo5E8o.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7oJ5dDLB28TsyxgeGo5E8o.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d573d9cd74d090cf7b9c4a79f4dcef663652ef89619795db52a1faef5e52bb2. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/32Y8mG6EdM2gpAxagyviVS.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/32Y8mG6EdM2gpAxagyviVS.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc344a0a1396e7e895d3ddb1477140fa237c0629f00f6b4619cb1d036359402e5. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0yaNU8kjawDwC5g5QKh8qz.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0yaNU8kjawDwC5g5QKh8qz.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a9a72fbe06723a34b5c25cc87c45a03838596f0667bfe8d2b2854ecf06ef744. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1gPSAYRCRp0zh8g4yFtS1z.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1gPSAYRCRp0zh8g4yFtS1z.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ce3e901c88b479e55a124821c59c79879695242af0f7e5f414e2deec2c4d6da. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5Zto5cSw0P0Xr8sm1J3Spw.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5Zto5cSw0P0Xr8sm1J3Spw.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf927306a7e0667bf841ec280d937cbe0a36fd0cb2608cd122d7f01c1a435a56. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2P0ZrQGLyLSXcSsyRVsTF9.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2P0ZrQGLyLSXcSsyRVsTF9.
{"copyright_id":"0xb908089a96741de2c81d1346a343949dda1ef8e50bde9c1bb13bb7e8c9123e80","isrc":"ESA012173496","name":"Frigthful Feet","registered_at":"2026-06-08T09:03:27Z","spotify_id":"5dy8wpkXSDWIhlFSdwlaNd","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb908089a96741de2c81d1346a343949dda1ef8e50bde9c1bb13bb7e8c9123e80. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5dy8wpkXSDWIhlFSdwlaNd.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5dy8wpkXSDWIhlFSdwlaNd.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b63dfb589d0f7617ec13be53a9a036aa26644f155589fea361a6565ab9b247a. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1pGPTc43sSn1ip2aUKbAJS.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1pGPTc43sSn1ip2aUKbAJS.
{"copyright_id":"0x8674d657458801d73d406fa72ad70ce3b05cbf2dd2286ef9f9736bed46ef852e","isrc":"ESA012173498","name":"The Things I Have Done","registered_at":"2026-06-09T23:21:08Z","spotify_id":"5gyJ6CHYYqXgIpWv5t0n3A","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8674d657458801d73d406fa72ad70ce3b05cbf2dd2286ef9f9736bed46ef852e. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5gyJ6CHYYqXgIpWv5t0n3A.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5gyJ6CHYYqXgIpWv5t0n3A.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd9d32222e3ded38b75590fac72a8afa731a80b03d6ebedc9cc69530408d9255. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6I2kKGOypQAFXx2Ez5YQ1g.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6I2kKGOypQAFXx2Ez5YQ1g.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeaa85c711a25d6a03549d705e29c825f0555afc227bdcdf5346b99d907517333. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6p7mnpzmeM9qKM0gYIPRjE.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6p7mnpzmeM9qKM0gYIPRjE.
{"copyright_id":"0x316ddb96dea6840c2e89dbbc05e0e4ef31d8b9e79f89f6bfe11441a8d042d995","isrc":"ESA012173501","name":"Life Goes On","registered_at":"2026-06-11T01:09:37Z","spotify_id":"1YpjSoWQbJ6AAXG6qfgD4e","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x316ddb96dea6840c2e89dbbc05e0e4ef31d8b9e79f89f6bfe11441a8d042d995. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1YpjSoWQbJ6AAXG6qfgD4e.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1YpjSoWQbJ6AAXG6qfgD4e.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ae993968c52f3f1d79a1b037938e0b20735139774f4d63fffba8ba3d1ca9259. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/78x5GbvZMRrwD6qR5VIRJl.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/78x5GbvZMRrwD6qR5VIRJl.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x023a75b30b9ca5b7713dea35e7d37af73c324811514b58580bc35149294f65d9. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/47goy9JCNu62v5heOn5q2j.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/47goy9JCNu62v5heOn5q2j.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf554652713c565f8425016191488f7f5f0fa4f7c391e118905d37eaf6d13d9f. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6sNPfEdc9NBsSspa4aIhWn.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6sNPfEdc9NBsSspa4aIhWn.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88357d923effd0ab6394647314984752ad4c2e7de7d594c46782769f666e6340. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3KET9REA4jPwVDfXRtCmmr.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3KET9REA4jPwVDfXRtCmmr.
{"copyright_id":"0xacc2e79a2cb64f898be6d476a235f23bd5c3a52ab91e6e8d434c48cd94f52475","isrc":"ESA012162745","name":"If I Were More Like You","registered_at":"2026-06-19T01:59:08Z","spotify_id":"6SeDk3ifQ18mQ7u2xltb1n","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xacc2e79a2cb64f898be6d476a235f23bd5c3a52ab91e6e8d434c48cd94f52475. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6SeDk3ifQ18mQ7u2xltb1n.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6SeDk3ifQ18mQ7u2xltb1n.
If I Were More Like You - Instrumental Version
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Whispers of the Tranquil Dawn: a Zen Classical Lullaby