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 0x2e663bdf612a6d304b798885c3e8adc57042b962a14a5457937cc5c7df47d28e. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e4a93d16-b311-4271-9a7a-c5dca27aecca.json and https://artists.proofprofile.net/proofs/artist/e4a93d16-b311-4271-9a7a-c5dca27aecca.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0xb21179f83951d08971a3f73f8a55e5befe7b21bdaea5290d5c7b59d0c74cc9d5","isrc":"QZHZ52090034","name":"Petalos Mordidos","registered_at":"2026-06-08T08:45:31Z","spotify_id":"2DcFI06qV4l0A38lnPwLYJ","type":"track"}
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 0xb21179f83951d08971a3f73f8a55e5befe7b21bdaea5290d5c7b59d0c74cc9d5. 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/2DcFI06qV4l0A38lnPwLYJ.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/2DcFI06qV4l0A38lnPwLYJ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1bc49ebd0d83ddf0546ddc9395c236283ea2427fee54285fcf84c8f594e4ed73. 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/6EGVCwrmaBn3IbQn22oms2.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/6EGVCwrmaBn3IbQn22oms2.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea125b30bbd6b40ea0951235b4b0ab3453277032e256082a7f03e84a7845458b. 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/6UpgOPNBqXbH9dsP3y3GG6.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/6UpgOPNBqXbH9dsP3y3GG6.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd46d9fe440961a104dbc3b58a2988eba1281147765a741a6d2159307809ce7d. 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/5nO4n8RClXZg2ugsBU9hXy.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/5nO4n8RClXZg2ugsBU9hXy.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x12ac30af8ad96a27190e04f132a34191eaa3648140aa94490d84307ff3b85b1b. 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/6Zb6eSxATxGpqLeSq8i362.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/6Zb6eSxATxGpqLeSq8i362.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6922792311dae2a99df77fc367cad68ae46eb916d485036b8897c97ca215ccce. 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/1dgExUwd8a90lWQet6nqeu.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/1dgExUwd8a90lWQet6nqeu.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xefcdcf1bcb72cd6795fa50553333756156a1c516c2bd574d2487925f1d6879d0. 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/4E7o5iEkv5jl7NIvXfcUUV.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/4E7o5iEkv5jl7NIvXfcUUV.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d4f8e122331c99989265c52162114aa409e4b84c0143d2a125072edfa86ea49. 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/2jNjG0WTQkhwyp0PaJkHuQ.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/2jNjG0WTQkhwyp0PaJkHuQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc983b375f35ce2a1e6f73dc83297d8c71cafccf3e2e319c75dd963b1c487b5f6. 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/2I96d6fZZC8GPWhjNzZQvV.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/2I96d6fZZC8GPWhjNzZQvV.
{"copyright_id":"0xfda39fb22033df1fa2d6cba390d1f9f640712033f1399c54d8dd6498b8dec2a3","isrc":"GBLFP1883251","name":"Porcelain Mannequin","registered_at":"2026-06-18T08:47:01Z","spotify_id":"052hFDblZq7aSkA70P3G7w","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfda39fb22033df1fa2d6cba390d1f9f640712033f1399c54d8dd6498b8dec2a3. 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/052hFDblZq7aSkA70P3G7w.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/052hFDblZq7aSkA70P3G7w.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3006a33bd58967d5876a36bcd0f52edffa3419b65a0c297cda240f75a4110ed. 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/5ouMtlZcdtKqFCugQIIpeb.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/5ouMtlZcdtKqFCugQIIpeb.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x884c9e9ad5917b4bc6abf215c766f7e3540bc7e1c92cbf132ff131716486af41. 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/4cqOvYP9UyMYrN47qfJYin.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/4cqOvYP9UyMYrN47qfJYin.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf071e0ddbc62f734d4b58e2bf507e2bdcdced3aa471058e432041c5fe527af5. 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/4zn0D8Du4hP77bqjm8tn5a.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/4zn0D8Du4hP77bqjm8tn5a.
{"copyright_id":"0x4ff292aae6c25aa2f56a3cec529677e56af4b7615811138494a1750b2d0defc2","isrc":"GBLFP1883256","name":"Hurt Heart","registered_at":"2026-06-20T16:14:40Z","spotify_id":"6VlhcmZebc9TEmskErfgjG","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ff292aae6c25aa2f56a3cec529677e56af4b7615811138494a1750b2d0defc2. 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/6VlhcmZebc9TEmskErfgjG.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/6VlhcmZebc9TEmskErfgjG.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d130ecd37bf87f61e671993965e7ca07d5473f9b1d2f4d84139055a0d4ad4d1. 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/3ZPtTkNGw9RDx0HYFnwWCD.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/3ZPtTkNGw9RDx0HYFnwWCD.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56949a2477384b90e0e05ce159fd0fc787a822a6d3df16fe5dfc593987155070. 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/3SHf2J8F947LOeC5eSmUFK.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/3SHf2J8F947LOeC5eSmUFK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc82aceb722220d0f6bbad442a63d6d8054e6b1e1da903403f9b9d626342eeb57. 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/2QQhm9x9zs9fVBj5nVrEeC.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/2QQhm9x9zs9fVBj5nVrEeC.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b671d1aa73b28fa173d0079cf2745fa09c36b0708959d56c76d7d0575edb2df. 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/06EX4Kg6nvDhQrsR5KHupR.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/06EX4Kg6nvDhQrsR5KHupR.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72bceb2081e4658a2d6342469c7e1bf90c1e1276096223843f87356f6532753c. 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/6YIsQiuYMpJnIRqHo8HZd0.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/6YIsQiuYMpJnIRqHo8HZd0.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c2779c8a1bbf273d442e60f48b744f5dbf83b6f11cf3d5eafdf3d0276598a40. 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/7pcwozzSZoxK1D69moGGcy.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/7pcwozzSZoxK1D69moGGcy.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b671d1aa73b28fa173d0079cf2745fa09c36b0708959d56c76d7d0575edb2df. 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/0fXWDkTid9Glc2TFQ0Icfp.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/0fXWDkTid9Glc2TFQ0Icfp.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72bceb2081e4658a2d6342469c7e1bf90c1e1276096223843f87356f6532753c. Chain 2 (Bitcoin): anchored in block 957065 (2026-07-07T16:43:21Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2hn9WMeM1gS8kHKEX8wTOw.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/2hn9WMeM1gS8kHKEX8wTOw.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c2779c8a1bbf273d442e60f48b744f5dbf83b6f11cf3d5eafdf3d0276598a40. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/64K6WC7IGbsNY3Vt7Q9YZl.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/64K6WC7IGbsNY3Vt7Q9YZl.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72bceb2081e4658a2d6342469c7e1bf90c1e1276096223843f87356f6532753c. 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/3eMnL4Yec1hCJzs8G6sXET.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/3eMnL4Yec1hCJzs8G6sXET.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c2779c8a1bbf273d442e60f48b744f5dbf83b6f11cf3d5eafdf3d0276598a40. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0SEQwSUp9bugWsXJ37dlZw.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/0SEQwSUp9bugWsXJ37dlZw.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c2779c8a1bbf273d442e60f48b744f5dbf83b6f11cf3d5eafdf3d0276598a40. 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/1mj4y7NHlTq6YfTZOeNqOx.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/1mj4y7NHlTq6YfTZOeNqOx.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x307f8d29a48ccea6bd5a7360ea703b56a5dc1929ceb92b6167d32955c8bbb58a. 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/4k6lS9WnUeCTI0vHlgjfSE.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/4k6lS9WnUeCTI0vHlgjfSE.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54202b6c126c1265588209483e6d1e50e99f804d8338d336e86d12afda3ad064. 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/0oiz4s31QXy6Mremkst4Ux.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/0oiz4s31QXy6Mremkst4Ux.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaedb16c3e7a799ef1bacd423f4984caed2ee05d6877464830b72cba4a9c31f38. 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/4It3yolMmTWgrhQx4S0a4x.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/4It3yolMmTWgrhQx4S0a4x.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf927c6e2fe6fab5a0d2aa4d37bc3004f95fe59be7cfe8de0279c76dc747d9001. 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/2AQeehenDga7CvvkcT4xXT.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/2AQeehenDga7CvvkcT4xXT.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d6795d5d8866f334295b3639a0ceb7d509fa3e8a9395c3a0b636dff4fb58fa3. 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/09YzJAn8N069K6JcQw4caJ.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/09YzJAn8N069K6JcQw4caJ.
{"copyright_id":"0x0ee0e8996a36bd47f667ca0476c17e6c6a408a7c1706eb55ee067c3ca4e62a8c","isrc":"US33X2219801","name":"No Quiero ser Madre","registered_at":"2026-06-19T21:03:55Z","spotify_id":"74tuTsVNQJ1h5Y9MGNQVYY","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ee0e8996a36bd47f667ca0476c17e6c6a408a7c1706eb55ee067c3ca4e62a8c. 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/74tuTsVNQJ1h5Y9MGNQVYY.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/74tuTsVNQJ1h5Y9MGNQVYY.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xefcdcf1bcb72cd6795fa50553333756156a1c516c2bd574d2487925f1d6879d0. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1GOzXQBtk9UlukfkPHMvBg.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/1GOzXQBtk9UlukfkPHMvBg.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd46d9fe440961a104dbc3b58a2988eba1281147765a741a6d2159307809ce7d. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5vJu88pkBhvjFOmO9cOxbb.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/5vJu88pkBhvjFOmO9cOxbb.