Claudio Giuseppe Bisio (; born 19 March 1957) is an Italian actor, presenter, comedian, voice actor, showman, director, cabaret performer and writer. Early life Bisio was born in Novi Ligure, Piedm
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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee241b9be4754d19d688c077be212a1e411dc8954378aa12b56b2cbd8c351f36. Chain 2 (Bitcoin): anchored in block 953827 (2026-06-15T19:59:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e3efb586-5701-44f4-9f41-c68652544cfd.json and https://artists.proofprofile.net/proofs/artist/e3efb586-5701-44f4-9f41-c68652544cfd.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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7ef2f30066b7743cc885398bc3170e0ec1f95864c599f1e93dd9223bc30a863. 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/ITC471320765.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0fea0dcf9f7c5b661e3afcc896a5fb949b2c511e1a86c952b50c9bd2b6968cd9. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/ITC471320766.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda693277e90d6cb532e7aba6c627274472e08ca2cffcc01132a872980031d70a. 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/ITC471320768.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc67399f7217d8ab8be14c66a6ff768456b4f29eeca450996be348bddd6216346. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/ITC471320771.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x254f5f2ff37e089e0eb82f9718c1c0cf247673dad32ccac0277df091b8c72855. Chain 2 (Bitcoin): anchored in block 957061 (2026-07-21T21:34:52Z), 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/ITC471320775.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3afc9656d55f63335fe8736d5d67979b796dd5940afde243e6e455c6c0eeb200. 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/ITC471320776.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d3da8bfbaa568d25c58d4e8cb461505ce824a1a7b5ebd38d55ba2dcb3353e3f. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/ITC471320778.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e954ecb0c5d6cf4193eb6de1b743d1d85335013874b7010f39ff3d5d29a7623. Chain 2 (Bitcoin): anchored in block 957819 (2026-07-13T07:53:33Z), 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/ITC471320779.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2671695e5166864179afb97126d9230ec6685d5df3f6befbe3f472d11fa745df. Chain 2 (Bitcoin): anchored in block 960117 (2026-07-29T14:28:24Z), 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/ITC471320767.
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 0x9877540847bfed1d81987dd59892c3d67c3e6e0c8533556fb83a540758a45a89. Chain 2 (Bitcoin): anchored in block 960240 (2026-07-30T09:57:33Z), 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/ITC471320769.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34343833afaf47458a510c4083bcdff8e693e1bbbd58c1d2f3360c5649d7f45a. Chain 2 (Bitcoin): anchored in block 960207 (2026-07-30T04:47:22Z), 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/ITC471320770.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf80e1f49cd3dc7eaa7636c9a81f6893138de8ea3fd9c4a08043cad2e01f54920. Chain 2 (Bitcoin): anchored in block 960241 (2026-07-30T09:58:01Z), 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/ITC471320772.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x906af84a05c6fd42f25f03ac07de55b770af29876faf4a54bd3c0fa1039656ce. 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/ITC471320773.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5a0f12a561d227534dccbe027a5e6e8181679a698f42703bde4ea8735dbe054. Chain 2 (Bitcoin): anchored in block 960144 (2026-07-29T21:09:47Z), 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/ITC471320777.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b0d275d04949f121bd0f453fe435f55a786e6091308b7eb1ed9974254b2c6df. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/ITD750800248.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe7e9bb378420047060b24d9bd244f706147db9496087656bbeb15eaef638cc2. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/ITD750800249.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4900391dfcc2851718772d26619980cd04bc4801e88c38320440402c8ea84d4f. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/ITD750800250.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb32ea1ffa617bed8e6145b5d84f053d1928a7410a664b56849fc6e17750dd4bf. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/ITD750800251.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcfdc65ffa576e0b796d8355897a839d261621cd8f2eba9e6fb94eca7622c77b1. 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/ITD750800252.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd19f5d49a0b79ffd4347fa48bc94f8589bd2bc07fd03be44e58cc652b9d24779. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/ITD750800253.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc46bfca77b9dcebb5ee391b19f1265f2e37bec137a0f5eb6bbacfa357acb3d77. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/ITD750800254.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59c2237373263980b4ca45ee08200a14a65494a9d6890e73c4e89b5692ff3d46. 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/ITD750800255.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06b697c1b29a0d7390066592950cf81efec6c45b7b78ca8afc0ae274bfb5d75f. 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/ITD750800256.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91f84633566d0ba9b02f25333f98fc5b1702bd34dd2f8aa8cd233425c20b4f30. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/ITD750800257.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58918633c3b143519e6958a2f86cad1178469ffe828d6880c7e9229d4af1fbd4. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/ITD750800259.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe55fb8904a6b119796bc61e9bd9edb0f9a17901be5939f032a563e4fd710245d. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/ITD750800260.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9d9eea11558176fcaa9328ac20328198b6a2b807777fd242b61e2b54476fb94. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/ITD750800261.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb34e711d0d47246cb1af80195fa6f2a80fa12f752de26cc6243753c4cefd86a6. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/ITD750800262.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc530259227b78387fdfd5150ffcf25288656de4359f1681039cece3c4f487b14. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/ITD750800263.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4773c6981d5c7b05752f25b6a871598306aa96c07136daab00ad43f94945046. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/ITD750800264.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51fb315a4b454c14fc9e9b10abc265aae141559067d7274ad6a8c524eb0933a7. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/ITD750800266.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1ad49ca9e9f762ba37131d01f7f65070c1cfe5dec7319ce49c39599021d2401. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/ITD750800267.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a7818890bd9e897b98a31fc27c64250381b920e9d40cf848cb33427ac993763. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/ITD750800268.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf21149ec714f653fd131395ad8ebe6f1f302384d90fceb3f0a7c345a8d3b129f. Chain 2 (Bitcoin): anchored in block 957075 (2026-07-07T18:50:38Z), 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/ITD750800269.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0426955cc7aab73c34dafcacfed04837fc18b5c944150000764a4332af252de8. 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/ITOOJ1900463.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39870b8f793b2732a84632e0d017aef57e36648e12666df6a9061d0fbab2ef7b. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/ITOOJ1900300.