The Cardigans are a Swedish rock band formed in Jönköping, Sweden in 1992. The main lineup of the band consisted of guitarist Peter Svensson, bassist Magnus Sveningsson, drummer Bengt Lagerberg, keybo
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 0x6abe0ee5b447141d712e3969b817b0648fbe54eb044d211f1e71b1828559b21e. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/40188452-6e59-412b-8fa6-99c2cd107b29.json and https://artists.proofprofile.net/proofs/artist/40188452-6e59-412b-8fa6-99c2cd107b29.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 0xa02db879215c4c4bd9f5e8dcf161d31a4739dfea1f1ebd09cee0e2fe11621c5f. 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/SEBKB9629370.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8498b86c7866c958cefba6653b909abd20493df0376f79f4a65dd3112eda76a6. 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/SEBKB9629380.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0df6f02626b0b052291ee2b0483f8471a9bc51d85fd8d8ce6f6e1fae799b22ea. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/SEBKB9802010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0df6f02626b0b052291ee2b0483f8471a9bc51d85fd8d8ce6f6e1fae799b22ea. 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/SEBKB9802010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe017efbf279adecb1e6896ddbf6e89d0ca0ce97fdeaf06b266f9729d77bad382. 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/SEUM72300316.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa02db879215c4c4bd9f5e8dcf161d31a4739dfea1f1ebd09cee0e2fe11621c5f. 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/SEBKB9629370.
My Favourite Game (feat. The Cardigans & P Money) - P Money Remix
My Favourite Game (feat. The Cardigans & P Money) [P Money Remix]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe7a0651d01702653de24ce2f03fb5ef89d8dc1a814bea31c8061864fd2dfa39. 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/GBARL2400739.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd87ad4abbf21edfb05f3fcf17fa73d9980fde0b2e84063e7997c5d60c4923b78. 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/GBARL2301238.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0df6f02626b0b052291ee2b0483f8471a9bc51d85fd8d8ce6f6e1fae799b22ea. 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/SEBKB9802010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8498b86c7866c958cefba6653b909abd20493df0376f79f4a65dd3112eda76a6. 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/SEBKB9629380.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8498b86c7866c958cefba6653b909abd20493df0376f79f4a65dd3112eda76a6. 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/SEBKB9629380.
Erase / Rewind - Dim's From The Old School Mix
Lifestyle2 - Dance Grooves Vol 1 (International Version)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85a120305e5d9c8f67115c734e920e2e8a517bed88624e4c122e9ed30f50107c. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/SEBKB9802032.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8498b86c7866c958cefba6653b909abd20493df0376f79f4a65dd3112eda76a6. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/SEBKB9629380.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8498b86c7866c958cefba6653b909abd20493df0376f79f4a65dd3112eda76a6. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/SEBKB9629380.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0df6f02626b0b052291ee2b0483f8471a9bc51d85fd8d8ce6f6e1fae799b22ea. 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/SEBKB9802010.