Kammarheit is a Swedish dark ambient project. The only member of this project is Pär Boström, who is a resident of Umeå, Sweden. It currently runs on the label Cyclic Law. Discography Official Al
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 0xefe48fb312ed46e909f9e934ee597e9bb79200f336ba58320d0c8c5bdb45876d. 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/6d0cd5e9-2249-49b8-8343-35c972e50fa8.json and https://artists.proofprofile.net/proofs/artist/6d0cd5e9-2249-49b8-8343-35c972e50fa8.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 0x05fe0c9620b02870ebaf48739a66f4e3e11101e85152f4a4cace09fac24e44a3. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/CAAD20710192.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf50597572253135124a435d5ec0fc7c034d4accc55e539706b8804ad3c64ed00. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), 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/CAAD20710194.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33deb7b8d2b12eef4ae5a7c334cc0ad9adde0107216fbaab539dea84f6889024. Chain 2 (Bitcoin): anchored in block 958063 (2026-07-14T21:07:34Z), 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/CAAD20710195.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5510971cb80b6e9e528bb5975849db082af0b0876b88044fc0d489d13566bcc1. Chain 2 (Bitcoin): anchored in block 958708 (2026-07-19T09:08:25Z), 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/CAAD20710196.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x358b053260601749e7069a464034143c22491479fa261bcab6c66a25d6df39d9. 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/CAAD20710255.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe1a72ca103142ce7559f4fa3ccc428904dce8097f2fe5fed732ec8b00cf274f. Chain 2 (Bitcoin): anchored in block 956402 (2026-07-17T02:15:14Z), 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/CAAD20710256.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x27d4b184c17ff35bd6cad7043d4409878a686f654959d6a6d01f9916e1d2343f. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/CAAD20710257.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x944dcc15d514f329c23eba8456e30b461417c99ff6356b7ecfd2c121aefbab11. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/CAAD20710258.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf5b49f335bbb45d4154252b708d764a20eaee639a13b4271cf6dbafe4643bc1. Chain 2 (Bitcoin): anchored in block 958388 (2026-07-17T09:14:21Z), 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/QMFMF1593402.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06bb96bd1e96a369b6fa5d9e9b1c80b962f36d6051b2c1943e2fcd0df03965b5. Chain 2 (Bitcoin): anchored in block 958686 (2026-07-19T06:43:29Z), 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/QMFMF1593403.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc73c6e57c90e527ec4690d87b08e5ebf388f01d88b44660c41f3c9cc12e4e633. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/QMFMF1593405.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7283e35784c24bdb773533139f7c29fc55f3886a9d72abd5663173fa4f37e39. Chain 2 (Bitcoin): anchored in block 958942 (2026-07-21T00:24:07Z), 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/QMFMF1593407.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x085a98293f0d9b6856fe74ba583f3401e1a5fc64cf1d76ef4db3162db3875fea. Chain 2 (Bitcoin): anchored in block 958480 (2026-07-18T02:58:58Z), 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/QMFME2052998.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ccccbe5d70374ca48b46ba15724645259aac05f62cb638e572026d362554139. Chain 2 (Bitcoin): anchored in block 958931 (2026-07-20T21:15:01Z), 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/QMFME2052999.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f6fec56725f6d09b4342112db466c69b1524ba50de11d2124bb8ebf53fc5329. Chain 2 (Bitcoin): anchored in block 958945 (2026-07-21T02:30:53Z), 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/QMFME2053000.
Cycles "Cyclic Law's 10th Year Anniversary Label Sampler"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45e072feac2aacefa6fa3ea05bca17b680808fb6bf5f9dee9e234a81f9daf94a. 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/QMFMG1512608.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c0f73a7cc24186242b0c6dd2e832a1cca7acaa0e3bda3f91bde51bb6e0e7371. Chain 2 (Bitcoin): anchored in block 960410 (2026-07-31T13:50:38Z), 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/FR9W12335499.
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 0xe90bcce52c2c6bdad0423f7bf4ea1dfa25528dcb4e572841b627e319579c567e. Chain 2 (Bitcoin): anchored in block 960506 (2026-08-01T03:50:58Z), 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/FR9W12335501.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7aa0a4062598212755f3e5474f04bbb6456c9f4e2435ec360a05d944d8167a21. Chain 2 (Bitcoin): anchored in block 960500 (2026-08-01T03:13:03Z), 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/FR9W12335502.
Cycles II (Cyclic Law's 20th Anniversary Label Sampler)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1346d74118f8ff10f00cdeec2881e7dfd36d852c7e99bd6509533290aed47b8a. Chain 2 (Bitcoin): anchored in block 960389 (2026-07-31T10:20:10Z), 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/FR9W12246990.