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 0x30e4a10a709d17f94ffd2b8996ef5b17a7d3a0e0158bf85822d4f2d936df3449. 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/15e01b61-965b-44c0-a60c-595a46df5357.json and https://artists.proofprofile.net/proofs/artist/15e01b61-965b-44c0-a60c-595a46df5357.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 0x49e4c1f7e7c8846f12bcc0fdc90925f58b545cfe395d5891446ba53487806267. 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/2Nr4PguvvtFORJfUWNrBRD.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/2Nr4PguvvtFORJfUWNrBRD.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed5e9b7535e9e3d5d63894415a510f14b735f7b0290e3a32411f8a216031c96c. 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/39rXaU8vTMKnkZD4VZwxkn.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/39rXaU8vTMKnkZD4VZwxkn.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe37a41f59da53e3d4ca707c34966b09ab749205056212283a8f63da17167219d. 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/09s2r7TMIPzovVY24oDxeo.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/09s2r7TMIPzovVY24oDxeo.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x49e4c1f7e7c8846f12bcc0fdc90925f58b545cfe395d5891446ba53487806267. 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/1NCyzQwhhBc2muaA3bjRvH.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/1NCyzQwhhBc2muaA3bjRvH.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1cd6f195f8a5506f0b719b36b775a9c8f03e40265bc374d3c35ae9545396d237. 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/3XDly6xP9jVLkWJ5UuGpvG.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/3XDly6xP9jVLkWJ5UuGpvG.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3b99f066c8b26963d134f008dd50e07b31aa75d0ea34b983bbe1edf0603eba3. 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/7p61OgG8P2p0zdH2lNLUU3.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/7p61OgG8P2p0zdH2lNLUU3.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xebb4f9f7ddfb4e58631c5c7c29ce612dda1f514f6850b6d3c9358885334d08ca. 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/6LQItvDUIRFNJITMPob3hd.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/6LQItvDUIRFNJITMPob3hd.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc87da35d021b89d18dae70865794270f76976fd8bdb36fd36904c12fba9d0beb. 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/2YyaTYIoSxe9R71lVo90zI.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/2YyaTYIoSxe9R71lVo90zI.
{"copyright_id":"0x7dc9d1244b5a6184d7c27c8ef926abb7b6c5c7e6608ab80801e63ed7ac5b943c","isrc":"ITB002201035","name":"Fantasmi (feat. Geolier)","registered_at":"2026-06-01T11:37:50Z","spotify_id":"0uXDSAM6q44glALKnQQyqW","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7dc9d1244b5a6184d7c27c8ef926abb7b6c5c7e6608ab80801e63ed7ac5b943c. 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/0uXDSAM6q44glALKnQQyqW.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/0uXDSAM6q44glALKnQQyqW.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4527c21122378e41b052a9a25001f30947dd8be4b8d229439482d2da2472e353. 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/2f1sgcacMZmvsE2MrpJt0y.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/2f1sgcacMZmvsE2MrpJt0y.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaba7f33a8d867350c41ce72cb2096c1d8b851bad2e5778309f67bcd5946df7eb. 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/6Q4I5oIDhnRwNhbLwW7dN1.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/6Q4I5oIDhnRwNhbLwW7dN1.
{"copyright_id":"0x943b1afcd5ffc9fca12582bf2656f9c7c7fa51b19f5b741656ba28133d38b0a4","isrc":"ITB002201038","name":"Monet (feat. Elisa)","registered_at":"2026-06-05T08:02:17Z","spotify_id":"1NJrPnvSxu2BGiI06gOlMb","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x943b1afcd5ffc9fca12582bf2656f9c7c7fa51b19f5b741656ba28133d38b0a4. 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/1NJrPnvSxu2BGiI06gOlMb.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/1NJrPnvSxu2BGiI06gOlMb.
{"copyright_id":"0x56231fedc0a2f6305e5eea0654e8dd6caa3000e811342a89430811121b3510c2","isrc":"ITB002200445","name":"Michelle Pfeiffer (feat. Tony Effe)","registered_at":"2026-06-04T06:38:55Z","spotify_id":"2i8vSdlmDhFscyM40CJUcs","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56231fedc0a2f6305e5eea0654e8dd6caa3000e811342a89430811121b3510c2. 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/2i8vSdlmDhFscyM40CJUcs.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/2i8vSdlmDhFscyM40CJUcs.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6322b18fb6157472fd466456a624b0a06d8f8c0127a06439ef3eb818b1360663. 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/2CkYm5YjNJycE3utqIaAC0.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/2CkYm5YjNJycE3utqIaAC0.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40331526a6c270ecc0caf39c6da4644959a1f928753ded70e19fe37957be6374. 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/2g1hbTP8k3ouMHV6hX0quW.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/2g1hbTP8k3ouMHV6hX0quW.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe659d52880f965543521f9ea0aef60d79fe9a2677526c27f0ac44413d942f0d5. 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/3c7pSXPksj34C3k1wh4GgB.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/3c7pSXPksj34C3k1wh4GgB.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98d6079a510eb05168dede847de34a04371466a74da166dd7b98ab433eff2a49. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3foHyExVjNQ9lVz3LQ411e.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/3foHyExVjNQ9lVz3LQ411e.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3cf2d5126c3bbb7872decc5fedaf48f4cc40ad57083d1e0ccd0b6db51b0ffa64. 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/2PWAIzTuEfbxyob6rpwhss.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/2PWAIzTuEfbxyob6rpwhss.
{"copyright_id":"0x777ee2ae49bcefd05dbd1919cd19edd547ca78130040b41de6615ae78f4730c0","isrc":"IT1F72100059","name":"Soli (feat. Rose Villain)","registered_at":"2026-06-06T17:31:15Z","spotify_id":"59pUbMizrNz3oFiz6wNqIH","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x777ee2ae49bcefd05dbd1919cd19edd547ca78130040b41de6615ae78f4730c0. 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/59pUbMizrNz3oFiz6wNqIH.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/59pUbMizrNz3oFiz6wNqIH.
{"copyright_id":"0x777ee2ae49bcefd05dbd1919cd19edd547ca78130040b41de6615ae78f4730c0","isrc":"IT1F72100059","name":"Soli (feat. Rose Villain)","registered_at":"2026-06-06T17:31:15Z","spotify_id":"6DQlZCSvuSvkHEeAqCqWNX","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x777ee2ae49bcefd05dbd1919cd19edd547ca78130040b41de6615ae78f4730c0. 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/6DQlZCSvuSvkHEeAqCqWNX.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/6DQlZCSvuSvkHEeAqCqWNX.
My Beautiful Bloody Break Up - Full Circle
{"copyright_id":"0xca46e934d5e9f3a21802df7170179f43a7b1bef0fcc1794076ef3e27b967e439","isrc":"ITDJ62100004","name":"Corona love story (feat. Rose Villain)","registered_at":"2026-06-05T23:06:10Z","spotify_id":"7zIHrGF8lougDkKjO67K7v","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca46e934d5e9f3a21802df7170179f43a7b1bef0fcc1794076ef3e27b967e439. 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/7zIHrGF8lougDkKjO67K7v.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/7zIHrGF8lougDkKjO67K7v.
{"copyright_id":"0xca46e934d5e9f3a21802df7170179f43a7b1bef0fcc1794076ef3e27b967e439","isrc":"ITDJ62100004","name":"Corona love story (feat. Rose Villain)","registered_at":"2026-06-05T23:06:10Z","spotify_id":"24nxsqE1r6dngK64ziZUws","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca46e934d5e9f3a21802df7170179f43a7b1bef0fcc1794076ef3e27b967e439. 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/24nxsqE1r6dngK64ziZUws.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/24nxsqE1r6dngK64ziZUws.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb86326b15e1f50b634146d0971c09447049ba6d2870039f82a7f39d0e54f865c. 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/33DOYNnargf2vYuMEfDd6E.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/33DOYNnargf2vYuMEfDd6E.
STREET ABBRONZATISSIMA Urban Hits Estive Rap Italiano Game Over
{"copyright_id":"0xce7e7c8ac2ad1f636eda4f98cc9059eea3f9b96d567d2447882a6d0f9751ad7a","isrc":"ITUM72000273","name":"Chico (feat. Rose Villain & Luchè)","registered_at":"2026-06-01T14:53:55Z","spotify_id":"3sUzeeqRtfBfJAkk8qb8Pd","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce7e7c8ac2ad1f636eda4f98cc9059eea3f9b96d567d2447882a6d0f9751ad7a. 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/3sUzeeqRtfBfJAkk8qb8Pd.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/3sUzeeqRtfBfJAkk8qb8Pd.
{"copyright_id":"0xafbe88aeabb402ce16a64783651fe50e23b569ba2e2139ab4c67f651b8c8088e","isrc":"ITUM72400343","name":"BALENCIAGA (feat. Rose Villain)","registered_at":"2026-06-07T18:58:05Z","spotify_id":"3iKNXAb8XBZk7YtblU2QU0","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xafbe88aeabb402ce16a64783651fe50e23b569ba2e2139ab4c67f651b8c8088e. 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/3iKNXAb8XBZk7YtblU2QU0.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/3iKNXAb8XBZk7YtblU2QU0.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82e990fee78fadcb8ff4ebfeb58d0980ea1f716adcadf7350091587063b1eb06. 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/37VCOS2Hd9HxHvFVLiJg75.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/37VCOS2Hd9HxHvFVLiJg75.
{"copyright_id":"0xbbd234238c1bef251074e2854fab31e81279067c3f5af81f388345bcd2a72c4e","isrc":"ITB002100419","name":"KANDINSKY (feat. Ernia & Rose Villain)","registered_at":"2026-06-05T20:11:16Z","spotify_id":"7eIvQ8IYsIqjCeN8ZvkwA2","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbbd234238c1bef251074e2854fab31e81279067c3f5af81f388345bcd2a72c4e. 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/7eIvQ8IYsIqjCeN8ZvkwA2.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/7eIvQ8IYsIqjCeN8ZvkwA2.
HIT 2024 - MIGLIORI CANZONI DEL MOMENTO 2024
{"copyright_id":"0xa4b7d7f0ecf2a6575d89232636222e3e707e4dbad43beac65c7f0d0cfd9b1100","isrc":"ITQ002400077","name":"COME UN TUONO - (feat. Guè)","registered_at":"2026-06-10T02:27:46Z","spotify_id":"4VKlCKkIw0RCkRaS5IUB2u","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4b7d7f0ecf2a6575d89232636222e3e707e4dbad43beac65c7f0d0cfd9b1100. 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/4VKlCKkIw0RCkRaS5IUB2u.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/4VKlCKkIw0RCkRaS5IUB2u.
{"copyright_id":"0x26babd902f5e9a51242825e2729d95a00f97a0cec19d3bc0e045efe1359b6511","isrc":"ITQ002400069","name":"HATTORI HANZO - (feat. Madame)","registered_at":"2026-06-22T23:24:39Z","spotify_id":"1qgCyzhKgY33WHDJFGnIXY","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26babd902f5e9a51242825e2729d95a00f97a0cec19d3bc0e045efe1359b6511. 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/1qgCyzhKgY33WHDJFGnIXY.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/1qgCyzhKgY33WHDJFGnIXY.