Ultimo may refer to: Ultimo, New South Wales Ulten, comune in Italy, Italian name Ultimo Ultimo (Marvel Comics), comic books character Ultimo (brand), Scottish designer lingerie brand Karakuridô
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 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 0x7c44afa5ee8434ee48b295bbf5b7c71d74390ebc19260b9a37213e0b912cee7e. 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/8b87e46e-97e7-4bf5-9ac6-3bfb09ae3010.json and https://artists.proofprofile.net/proofs/artist/8b87e46e-97e7-4bf5-9ac6-3bfb09ae3010.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Osg16 (feat. Eden, Young Slash, Xfetto, Kayler, Nese Ikaro, Evrint Bless)
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 0x96de0cb6784d2bc29a45903b04a3641998c59ca0891f16074e9aefdb38f4c0ce. Chain 2 (Bitcoin): anchored in block 958390 (2026-07-17T09:35:49Z), 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/IT1071700286.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa093d1f610101e7160ac4c9d317dd03463e6d70292a353c273631575aaa3e32. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/IT1071700353.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c9136afe1d6a6e4d7fef838e125a8a60f7b4389357fa315b9615f002c3d343c. Chain 2 (Bitcoin): anchored in block 959123 (2026-07-22T11:35:32Z), 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/IT4JZ1700148.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef9adf513b220acf54daaccd64524fb6aee80bef6eae8b527ee7a4435a912edf. Chain 2 (Bitcoin): anchored in block 958202 (2026-07-15T21:23:21Z), 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/IT4JZ1800177.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf564670ca613908a9f4ebe0ca7ae5441e46252600ccd9b4522a923f131f8afbb. Chain 2 (Bitcoin): anchored in block 958802 (2026-07-20T01:04:02Z), 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/IT4JZ1900198.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd18389449cbc40d69257f702118ec570ebec75a94484c87ed282cdba2037ee03. Chain 2 (Bitcoin): anchored in block 958110 (2026-07-15T06:57:12Z), 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/IT1O71900534.
Sogni appesi (Live Stadio Olimpico, Roma)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85eda1c6998ef0e49ab67d554383dfb11fee5520ada6517b53dbd431c0d3ee86. Chain 2 (Bitcoin): anchored in block 958256 (2026-07-16T07:22:18Z), 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/ITVRD2200010.
Ti va di stare bene (Live Stadio Olimpico, Roma, 7-8-10 luglio 2023)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d20188b56fb084b36311f2ba825d3d4cc95fadae3841bdbfd8de480f333bcaf. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/GBAHS2200612.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d20188b56fb084b36311f2ba825d3d4cc95fadae3841bdbfd8de480f333bcaf. 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/GBAHS2200612.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x66a0d52504da67551c10cbf4dd82e496f27c132b2a23ccfa82cb293247e96cbc. 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/ITQ002400247.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x66a0d52504da67551c10cbf4dd82e496f27c132b2a23ccfa82cb293247e96cbc. 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/ITQ002400247.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd5343b1af5ebaf30f74ea4adfb849f0eba095b79da912a20cab470b1bef2257. 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/IT1O71800387.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x66a0d52504da67551c10cbf4dd82e496f27c132b2a23ccfa82cb293247e96cbc. 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/ITQ002400247.