Harry Sacksioni (born 23 October 1950, in Amsterdam) is a composer and guitar virtuoso of Dutch origin. The peak of his fame was during the 1970s to 1990s. Famous works of this period include Meta Seq
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 0x541ea9a16f3d3e66faf2e3813ea62f839fe8881f2f58a71fc2a3377ab4572c8d. 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/f187a8d4-94f3-42a0-800b-32f1b7542117.json and https://artists.proofprofile.net/proofs/artist/f187a8d4-94f3-42a0-800b-32f1b7542117.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 0xa660fc267a907b12ceab9db331aadcd23b18a37fbc3c94a357c6400346d40789. Chain 2 (Bitcoin): anchored in block 959145 (2026-07-22T17:33:28Z), 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/NLA317500272.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97df4d6611a1bca8e2d0d64b8a29f43a46ca36644a271507d1162fe91be61f6e. Chain 2 (Bitcoin): anchored in block 956404 (2026-07-17T02:36:50Z), 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/NLA317500273.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcfd07e361bdc60f4871675621cf633bad429a9a36a3e5852c902e29f5be71c63. Chain 2 (Bitcoin): anchored in block 959114 (2026-07-22T08:41:42Z), 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/NLA317500274.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1061d06db9c46b371b4e80da3c80338c98137f9a6504bb72c58b69d8c4ca9287. Chain 2 (Bitcoin): anchored in block 958568 (2026-07-18T15:23:47Z), 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/NLA317500275.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45de0d65d6d4827f36cb2aa306a5feceacdc22a6cee5a29ca4954821a92becc1. Chain 2 (Bitcoin): anchored in block 958955 (2026-07-21T03:03:40Z), 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/NLA317500277.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8eea9c3a8187cfa7790a18be2c8e41f78b1a89664cdb0fd6fb88856074678e2e. Chain 2 (Bitcoin): anchored in block 958985 (2026-07-21T08:39:15Z), 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/NLA317500278.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25395110d810a14d1b9c391daf5494f2efa4ab4af4f19de1be547fe5e975b17c. Chain 2 (Bitcoin): anchored in block 958959 (2026-07-21T03:51:22Z), 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/NLA317500279.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f0d849ff67d00e11218141a2b82c744e5adc0901673cfb5c1c3d10d07149e6e. Chain 2 (Bitcoin): anchored in block 958943 (2026-07-21T01:58:40Z), 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/NLA317500281.
Who's Pulling The Strings (Expanded Edition)
La chanson des vieux amants (Liefde van later)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf63ec7d5d2f6373618213b99c8f8bf39de76b124f513c97f91ce69d1b9b6e27d. Chain 2 (Bitcoin): anchored in block 958357 (2026-07-17T03:33:42Z), 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/GBMJG1307419.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a363212f1dd7e9e06440634e51563bd6abffff67e002f61f43f3b23c90fd8de. 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/GBMJG1307420.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5954ce16e2dba34cdb8931e662431540d9cdc29cd7048530cccbc44528ce0c91. Chain 2 (Bitcoin): anchored in block 958783 (2026-07-19T21:20:45Z), 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/GBMJG1307422.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9befc2aa6c557cfa775e354b2d57fdf80025cdc16798d277b3578ecd8414ca4e. Chain 2 (Bitcoin): anchored in block 959047 (2026-07-21T19:17:28Z), 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/GBMJG1307401.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69bcaccb5d4fd793347e1b0029e150a232350348d3c22a42f2b4a1e28672983a. Chain 2 (Bitcoin): anchored in block 959071 (2026-07-22T01:17:34Z), 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/GBMJG1306002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf60edb1d99923aca49a1d81f56ad8304c69d4d678d59e3afd5850ae87aa652aa. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/GBMJG1306006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc4c6f628e17dee0928e883449615a3ee336b28e45dd544cb0a33cfe74f9e86e. Chain 2 (Bitcoin): anchored in block 959114 (2026-07-22T10:35:04Z), 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/GBMJG1306012.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x230b7f0342f5994dcaddba67dee5f730740f047585d1afcc5aaab23f6b2a9c27. Chain 2 (Bitcoin): anchored in block 958075 (2026-07-14T22:55:31Z), 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/GBMJG1306014.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0b97e64dfc963aec1295312e2828abe5705519999c36045e8db365409ba8091. Chain 2 (Bitcoin): anchored in block 958342 (2026-07-17T03:25:04Z), 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/GBMJG1305569.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa945034ba5fa954b337ccb407ff5f7600c5c7c7e21c9233420b2045ac24341f1. Chain 2 (Bitcoin): anchored in block 958607 (2026-07-18T21:01:11Z), 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/GBMJG1305571.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76bff38504153b76d71792c4f6ef63a2df14d062fd9998e6b056b36c0c5f3d50. 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/GBMJG1305574.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf34b108446a8de34607d64b24222cb664af9aa4265d033eca0f8315d8bd51734. 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/GBMJG1305575.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47db902d884ea0a81a8e0c4ce883a97bacafdfaff10be025a05a6b028693eb4b. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), 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/GBMJG1305579.