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 0x2d476b4840133e425f853ee78699ce296836ba2bbc8d2f29402669c14b09530d. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f94bdeab-a709-4967-8f83-0d68c6939efe.json and https://artists.proofprofile.net/proofs/artist/f94bdeab-a709-4967-8f83-0d68c6939efe.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 0x8d78de0f3c0e83e81b10dacc730cc99bc465df043ece2c9dd66028cf817c73d7. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2HOJWvFo8QIGx3T9oehJ6d.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/2HOJWvFo8QIGx3T9oehJ6d.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75776db0e4d68a766c5a440d024f8e196fcc3b5e00da464d44c2d3484420b51c. 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/0hL3RLqS0FOQPiowya1Kif.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/0hL3RLqS0FOQPiowya1Kif.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f469de72f34b0017cd6a098f7006d06d78f838bdff694b1dc6f4f0d3876ba8a. 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/4kbrOZc8Q66HcAQ4JHDXPy.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/4kbrOZc8Q66HcAQ4JHDXPy.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d1b610b6994ea0911ad45661739ad5a3c11f0552d6b1ffca49e24368f67dde0. 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/4P8s4NqQoYSt9ilN9SD7rf.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/4P8s4NqQoYSt9ilN9SD7rf.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45044450615a5008a8a706bff38eb483dcf6371b43ab419509f8c829577e80cc. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/55OVSBHZavPXDmjSpTSj1I.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/55OVSBHZavPXDmjSpTSj1I.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb14323d4ad7762552bd2da4d100996d3b5442824b491c3acf4ade9090e6b3889. 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/450EOHbXUtt7ZFW8Xp6yRt.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/450EOHbXUtt7ZFW8Xp6yRt.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc17bcb8be312c0cdb4daf10e89366797ae19c8464cef983e7b195d6882cb452c. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4I2K89YmKzcdHUM4y9fT44.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/4I2K89YmKzcdHUM4y9fT44.
Streets Don't Love Nobody (feat. Lil Duke)
{"copyright_id":"0xf507def62144a4ac9efbb5e115aad590b64225755b891f35ef62e4b929bc2738","isrc":"QMCE32100370","name":"Streets Don't Love Nobody (feat. Lil Duke)","registered_at":"2026-06-25T16:19:48Z","spotify_id":"4r2YVlzNCxAF2JFbTUb9x6","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf507def62144a4ac9efbb5e115aad590b64225755b891f35ef62e4b929bc2738. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4r2YVlzNCxAF2JFbTUb9x6.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/4r2YVlzNCxAF2JFbTUb9x6.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x841ab2b345919cb24e0897cbcd1450fc1f165800899c4e16d875c9791aba51d7. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4qoPPvilO0zKTPKT1hbC95.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/4qoPPvilO0zKTPKT1hbC95.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f4decc44bcce15f997cf358676e50d4e32968fd6eb8c7cc446bf592722798d1. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5CMbGpsgU08DmddR82oXXk.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/5CMbGpsgU08DmddR82oXXk.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36749207596971bde54163882c4e21fd9cabb5fe2ca331e92120509530425354. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5A8KtfonuRHv6EHr5Ofekq.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/5A8KtfonuRHv6EHr5Ofekq.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d78de0f3c0e83e81b10dacc730cc99bc465df043ece2c9dd66028cf817c73d7. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/288uIfoIwu289CDEbFfXJd.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/288uIfoIwu289CDEbFfXJd.
{"copyright_id":"0xfbdee674c262fb828a9e2fb9f787dd7025891d607fb1c6cd85be42eeded32e3d","isrc":"QZDA42024806","name":"MOB Ties","registered_at":"2026-06-10T18:23:41Z","spotify_id":"6gE55DxBB6LxSBSBuGiddA","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfbdee674c262fb828a9e2fb9f787dd7025891d607fb1c6cd85be42eeded32e3d. 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/6gE55DxBB6LxSBSBuGiddA.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/6gE55DxBB6LxSBSBuGiddA.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a93c1dc799776029bc58690299330e40ae35fb66b6518008db2ccefc325f3d4. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3kv3JzZg7Jq7vHmnMSYQ0r.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/3kv3JzZg7Jq7vHmnMSYQ0r.
Mob Ties Remix (feat. Unfoonk, 24Heavy, Future & YTB Trench)
{"copyright_id":"0x645d94976fc5b159c94b48875e65932ffe81df76d6acb27d001bfcd1281a2afe","isrc":"QMCE32100251","name":"Mob Ties Remix (feat. Unfoonk, 24Heavy, Future & YTB Trench)","registered_at":"2026-06-05T20:54:00Z","spotify_id":"2PfqoDotCBeNygVVdTU3rN","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x645d94976fc5b159c94b48875e65932ffe81df76d6acb27d001bfcd1281a2afe. 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/2PfqoDotCBeNygVVdTU3rN.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/2PfqoDotCBeNygVVdTU3rN.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a93c1dc799776029bc58690299330e40ae35fb66b6518008db2ccefc325f3d4. 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/4ZD85gp2H2BWJ1hwyVlieI.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/4ZD85gp2H2BWJ1hwyVlieI.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x649e8454e7e2d0dc32c4994a8285cebfc660a93071306274414a721327457037. 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/7b0UpGajbVmD1Z4giNkHmp.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/7b0UpGajbVmD1Z4giNkHmp.