Giovanni Imparato (born 15 August 1982), known professionally as Colombre, is an Italian singer-songwriter. Life and career A literature professor, before embarking on a solo career, he fronted the
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 0x3cd89b3a5dbbd3dffc2943f383f46926edf1e5ac81c2b85c23795d4d340b78c9. 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/f8e75ee9-b37a-476b-98c2-2575651a2d69.json and https://artists.proofprofile.net/proofs/artist/f8e75ee9-b37a-476b-98c2-2575651a2d69.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 0x520ce473531f123e9bdc16bb8aad911355f405095f28774f3f7a469eb9f119b2. Chain 2 (Bitcoin): anchored in block 958211 (2026-07-16T01:52:48Z), 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/ITR451798701.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe34f77aa38bef10ab588ad95404266447961e0712c64625f5415e01e34cf3802. Chain 2 (Bitcoin): anchored in block 958342 (2026-07-17T02:54:28Z), 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/ITR451798703.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95b7266378cfb63b5702ff6a1b8f9d7b01bc80f7ec1a133d62ec7fe330146151. Chain 2 (Bitcoin): anchored in block 956745 (2026-07-05T05:33:35Z), 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/ITR451798706.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73e14b418541fbe7f44a2ea66804fff3d48a6994bf948db834f58e7d8dba2c82. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/ITR451798707.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc056f50ddea645e2824c1b22fb5c61b9e125a8a0e4983d189ca67db507835941. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/ITLGE1900087.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x903d8a6441c7d7d0ced9704e502539e20e550a1ff5d93316467cc94992f708f7. Chain 2 (Bitcoin): anchored in block 958095 (2026-07-15T04:30:08Z), 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/ITLGE2000015.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x994c4af4dcb6bd3ab80b5dbb5c57e51702e7167dacd5b2d869730dd81b04733c. Chain 2 (Bitcoin): anchored in block 958547 (2026-07-18T12:44:05Z), 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/ITLGE2000016.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x833ed1c508053a9541f1420e962e3841ac17818797d643707078e5cfebff9076. Chain 2 (Bitcoin): anchored in block 956745 (2026-07-05T05:33:35Z), 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/ITLGE2000019.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x717f23dfb469ae3663e6b7f4a1819a4394c07882b105b557f802b53b9d7297ad. Chain 2 (Bitcoin): anchored in block 958867 (2026-07-20T14:00:46Z), 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/ITLGE2100029.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb501b778b867c40fe38ac8c67108d2461ac342854bcba70fb33f437a4fd38f76. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/ITLGE2200052.
Io e te certamente (feat. Maria Antonietta)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeeb3f28ffee7318e81409e26cf34bcf96447f621c1689d58a2ea2c38a7d02c68. Chain 2 (Bitcoin): anchored in block 957770 (2026-07-12T23:17:00Z), 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/ITLGE2300021.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac4b3bd226fa91232d0ea04630646400f31307f0bb39004bcf636ba69ea650d1. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/ITLGE2300045.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb501b778b867c40fe38ac8c67108d2461ac342854bcba70fb33f437a4fd38f76. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/ITLGE2200052.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f86350d6959cf6ba5acf24cd12379619fe7a07e0aa02d34182ec55ea14142be. Chain 2 (Bitcoin): anchored in block 957872 (2026-07-13T15:39:45Z), 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/ITLGE2300067.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d283c0de0f07238a3ebeb5c5c6acee25e0def1b9e360dc1662d3d06c833de62. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/ITLGE2500114.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5192a6c5a5ff8d2a74bfc795b3514332cbcaeae3370ea0827d404541cdcbe0b1. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/ITLGE2500144.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67608c0924bbe9bfcddf1b6457bdd218401cb847271486a9a2492085d4200838. Chain 2 (Bitcoin): anchored in block 958340 (2026-07-17T00:53:26Z), 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/ITLGE2500145.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77c9018aa648198eba23f6b29c50d64ba8239c36b2a1078458f484716670357a. Chain 2 (Bitcoin): anchored in block 958251 (2026-07-16T06:29:25Z), 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/ITLGE2500146.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45e277a44c5cca36beaf403445fe453496b8704d3348e59a990c644cf29b43a7. Chain 2 (Bitcoin): anchored in block 958196 (2026-07-15T22:27:42Z), 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/ITLGE2500147.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e827184894cba743dd9c279f5882a942e30ef0b66cdd84d9046596e20ef4915. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/ITLGE2500148.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46b95d8d5862e17000b9e493b66fe51229846054e30e36e805e07e60a0c43776. Chain 2 (Bitcoin): anchored in block 958340 (2026-07-17T02:30:11Z), 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/ITLGE2500149.
Ai party migliori si resta fino alla fine
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x298fbad39b24dba9287380597513d047a720274afd0da62b9062cd9ea5b8bd28. Chain 2 (Bitcoin): anchored in block 958341 (2026-07-17T01:08:10Z), 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/ITLGE2500150.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdfbb49c607708fa6f42905b077c73d9363c762eaa2e0da8e20ba8a65ccd1f640. Chain 2 (Bitcoin): anchored in block 956576 (2026-07-04T02:06:47Z), 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/ITLGE2500151.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b05dc756fda6b76ca2d07c4e814b2b53c75f76d31df89eefe21c00830001508. 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/ITPVA2300001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79ad7112a5bb9a594129e4810b7de959e93e0585f1eac1b16c4260db9991e190. 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/BCBL92301102.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0dd79d35b943e7294fe2049c45e909f60fd992988cc7381c9f05fe7558801ff9. 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/ITNTP2100016.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5a119630e9469cccdd45fc15c3991b2a735658313c8f1e4807da8cc9159eb5b. 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/FR9W12456665.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5a119630e9469cccdd45fc15c3991b2a735658313c8f1e4807da8cc9159eb5b. 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/FR9W12456665.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01142666d3067c7a824fabb48d78ccb714268046825998efe5f2c2a716115da4. 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/FR1A92404495.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b05dc756fda6b76ca2d07c4e814b2b53c75f76d31df89eefe21c00830001508. 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/ITPVA2300001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95203b7190a16144930f14c0ef40e08d5a59749824d5781f140ff39e96878006. 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/ITPVA2300002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6a22ca9c64fe4d51fefcdbe9c73d8c43db60e1df4ea32331e321573645834bb. Chain 2 (Bitcoin): anchored in block 960266 (2026-07-30T14:44:50Z), 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/ITPVA2300004.
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