Strawberry Switchblade were a Scottish pop duo formed in Glasgow in 1981 by Rose McDowall and Jill Bryson best known for their song "Since Yesterday" from 1985, and their flamboyant clothing with bows
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 0x6c7ba988a4ed027ab8f9d2ab538a4e9aa0acd6832755e0c5d1f2cd3144a515c0. 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/e5c53f46-b7c1-4ea8-8e65-4431d04cdc21.json and https://artists.proofprofile.net/proofs/artist/e5c53f46-b7c1-4ea8-8e65-4431d04cdc21.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 0x8f47980b76d468089211a6cd766faa7230c36cdc83b43b8d4a07c365a33a248c. 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/GBAHT0200073.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7e39eb5ce98238950720107b7617760f6f7e88bd04bd34e55db443984f518cd. 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/GBAHT0200089.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc891cea55130846d539dd44a907e8243658ae5b28e2a58c660f1ffb6627eb9ff. 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/GBAHT0200079.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb57126b7dbf35d5886e9d394b4f6caaad580f29abbb41028554f34711ba04401. 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/GBAHT0200078.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7280b64b630c98738c702fd573b96c37abab715c72fc1b2127a8d86793e0725b. Chain 2 (Bitcoin): anchored in block 958770 (2026-07-19T19:26:13Z), 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/GBAHT0200074.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7ceee39b7361de19e51eccf8da2a2de397e0b7334b232298acc02f8ed1b5a9a. Chain 2 (Bitcoin): anchored in block 958977 (2026-07-21T06:27:23Z), 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/GBAHT0200075.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e883d78a767b3914b9f554a5fbca5793479a8923f45a349a133db33671fc59b. Chain 2 (Bitcoin): anchored in block 959084 (2026-07-22T00:50:00Z), 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/GBAHT0200076.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5bd6c159fcc65a2a1ee4f5eecdd697e2b60637313114a66fb057ce92829dbf3e. Chain 2 (Bitcoin): anchored in block 958716 (2026-07-19T10:15:55Z), 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/GBAHT0200077.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd65e15f8d76731fc2805b11b257d43838ed77705b667c9955eba1d55e37887ad. Chain 2 (Bitcoin): anchored in block 958722 (2026-07-19T11:03:50Z), 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/GBAHT0200080.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x119052be98c93a73845710eb1e35328b15d67cfdf491e3e202586fb8898639a3. Chain 2 (Bitcoin): anchored in block 958905 (2026-07-20T16:14:34Z), 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/GBAHT0200081.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8bedd4f0b6fb6f4491cdecb994066070d88af9fa8bc6fd8ee206872594f27414. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/GBAHT0200083.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbed97e4d29cb1a33fe466033069167692ea71bf07542755d48d65af52847b435. 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/GBAHT0200085.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8153754a4e169853cedbfb1d3dc943c43457706eb97e6c39030ec3f58048fb4d. Chain 2 (Bitcoin): anchored in block 958907 (2026-07-20T16:17:58Z), 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/GBAHT0200088.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b668ca4cafcce30e1e272d870eeeb372d0f3aa14feff210293cbe3986beca83. Chain 2 (Bitcoin): anchored in block 958988 (2026-07-21T09:08:06Z), 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/GBAHT0200092.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2fd5b5752ba1c394410cfa08cb5b7111857528e32aec6cd4de43727b15c938bb. Chain 2 (Bitcoin): anchored in block 958775 (2026-07-19T20:13:58Z), 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/GBAHT0200091.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d40a3e8c0eb8b935664f3f4ec9b06d732c08119cc369cd892d7365896518b87. Chain 2 (Bitcoin): anchored in block 958703 (2026-07-19T08:36:12Z), 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/GBCK41600247.
Make More Noise! Women In Independent Music UK 1977-1987
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd65e15f8d76731fc2805b11b257d43838ed77705b667c9955eba1d55e37887ad. 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/GBAHT0200080.