Step by Step may refer to: Film and television Step by Step (1946 film), an American film directed by Phil Rosen Step by Step (2002 film), a Belgian film directed by Philippe Blasband Step by St
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 0xa7728c767bcbdeaf2b1a7350fdfcffe677f9631e2e45562520cd688b0632d991. 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/4943721b-8902-477e-ae60-18c9e2985059.json and https://artists.proofprofile.net/proofs/artist/4943721b-8902-477e-ae60-18c9e2985059.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 0x40219bbe8a81778262baf3e75bd90fbc1397c68a72cf89710ac91ec220a65a2b. 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/ES98D2100010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa823c79f4d523c39cc646679504298f9bc33cebc54fa0b8cc3c911d3bd29f807. Chain 2 (Bitcoin): anchored in block 958194 (2026-07-15T20:32:27Z), 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/ES98D2100068.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff14ccf540dcb865121690f34fd75474056c160efc42494a2785343cc03cea83. Chain 2 (Bitcoin): anchored in block 958197 (2026-07-15T20:40:29Z), 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/GX3Q92043316.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0446aa8906e6d6876afe3c2b28d528240fef8a48e5dd7d126f299f9a7772266. Chain 2 (Bitcoin): anchored in block 959073 (2026-07-21T23:25:37Z), 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/ES98D2100086.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9e5303b1bc22e025bb1e91e436bc7bab9d14bb335e5275a9d93bda9169840fd. 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/ES98D2100156.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce4b446dfb093d334da1163b9bbd05c2d26d5a2e584696cb5c55eeea68cd648d. Chain 2 (Bitcoin): anchored in block 958180 (2026-07-15T17:59:52Z), 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/GBKQU2266491.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa19c19969108900ac77c66a53aa61563c303fa2d0c9a2ed3dd14eae1fce5245. Chain 2 (Bitcoin): anchored in block 959094 (2026-07-22T03:33:16Z), 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/ES98D2300063.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa19c19969108900ac77c66a53aa61563c303fa2d0c9a2ed3dd14eae1fce5245. 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/ES98D2300063.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf98192ddea2e71a59b4ba7e94f4c754241c5030fac765769ce3290a95a8c5d2c. Chain 2 (Bitcoin): anchored in block 958140 (2026-07-15T10:05:23Z), 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/ES98D2400340.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b40bb768eb055a82eb6b3e4115f973275a87b43c1fceca89b5659e78d4e526e. Chain 2 (Bitcoin): anchored in block 958380 (2026-07-17T07:07:02Z), 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/SE6XX2511099.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec9b90ab0d9f529f0fdf5b45a53ef8d28cb6cdc2d73fbbc3df9c6b27f1f2f5f7. Chain 2 (Bitcoin): anchored in block 959118 (2026-07-22T10:01:58Z), 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/SE6XX2528252.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b24dd16c1ebf2a4fb901fe4e721e45ac0f0c8e6fb2de0b9328c07282168d9de. Chain 2 (Bitcoin): anchored in block 958602 (2026-07-18T19:28:16Z), 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/SE6SA2509670.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f87a2ed7f790547043d1f01761381f9809c9badc1d664a9a6a821d5d18efe57. Chain 2 (Bitcoin): anchored in block 959118 (2026-07-22T10:01:58Z), 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/SE6SA2533564.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9e5303b1bc22e025bb1e91e436bc7bab9d14bb335e5275a9d93bda9169840fd. 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/ES98D2100156.