Ben&Ben are a Filipino indie folk-pop band from Manila. They were formed in 2016 by twin brothers Paolo and Miguel Benjamin Guico (lead vocals and acoustic guitars), calling themselves The Benjamins.
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 0xffde74272feb62df4cf4bad2f66c5661d4496fcf0047fb49695f2b0aa46f6986. 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/4a6c3537-1167-4a9c-88ef-863108d692f5.json and https://artists.proofprofile.net/proofs/artist/4a6c3537-1167-4a9c-88ef-863108d692f5.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 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 0xf6c8e21281695225243e5666e482269734b1d2cc80ab77cede574c784baf0e2c. 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/PHS112000060.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa08ab509cc510df2e062dc8813b93b5cf8e0fac4abddca2efdb7bec2caec8583. 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/TWA472005001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a65cdefed5479ab3646bf01f90067955c079ee6afb50e56269b67b6ad82d846. 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/QMDA62174991.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd164d6006bfdaebde9e453b3a069bf79e585511e9198f9718dc6e25238ca951. 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/PHS031901321.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd164d6006bfdaebde9e453b3a069bf79e585511e9198f9718dc6e25238ca951. 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/PHS031901321.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6038a370c144069e1faab2da0112493aace083164bf7096b1f50d048ce18518. 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/PHS112100141.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a278d0933ab0b346827c11b7f6c690564fecd8b001ef2ab4c7655da71a9d51e. 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/PHS112100148.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6038a370c144069e1faab2da0112493aace083164bf7096b1f50d048ce18518. 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/PHS112100141.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08fa13d010b0354a0e6baae5cd5e9ae08230d96744e35e43447d39f23c3396b4. 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/PHS111900090.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3bc30b76132d4f309d602243c2a89aa10a018359efe961fba03c97808af49b04. 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/FRX201702021.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa37417363462a62351bd3f04366296e95de7c8ff2c94fddf00f9407f90f4889a. 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/TWFG72101302.