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 0x34bf53fc1d2e355cbe5cb08d9e21dce1c4a55316d9d6b52da1e1c9ee897720ca. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/fa7179f4-cb8b-4a90-ab06-403bee4400ce.json and https://artists.proofprofile.net/proofs/artist/fa7179f4-cb8b-4a90-ab06-403bee4400ce.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 0x9d6eb6eefe02a2c37c0983abd196b92f0c944b5d9426de3369a671eaa28147cc. Chain 2 (Bitcoin): anchored in block 959037 (2026-07-21T16:59:47Z), 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/IL1021609291.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6148f27ee1e043bc615ea47e4765fc80239d492df12aeecefb601f26706eca34. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/IL1021609575.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e015ce3d73a1149cedf0378601e363cc5f1aa888bf3c24e490710f6ae179a2f. Chain 2 (Bitcoin): anchored in block 958721 (2026-07-19T11:02:33Z), 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/IL1022011262.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc0326c51110846c9b58049c0ccd4ff8547a941e84ffa9e49f7d069a21265bb3. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T23:01:04Z), 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/IL1022011357.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x861704f65386d501969db88390e07b39eb207972656993e8df49190a02832e57. Chain 2 (Bitcoin): anchored in block 959100 (2026-07-22T07:14:43Z), 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/IL1022011672.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39c80eb34160d1a741eb4bcdaffbcadbe84c2f11b4114066913437e1513c46de. Chain 2 (Bitcoin): anchored in block 959024 (2026-07-21T15:31:18Z), 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/IL1022011558.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf77bc8c9260403d616873e2446d4a9f8a124e8a7140e26248447efd1d90c78b1. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), 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/IL1042200841.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6dee9a4b5781a385c4d0f8e21349b01bf578c6c7f61ca5b4b1bf93dfb3885fe2. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T14:52:54Z), 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/IL1042201106.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfebd7f019872958efa2c813dce2643dc83aadd00308c6e6d2780b6d2a3771a35. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/IL6432200738.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x66db17f272e84f12ee11025a017bb1b5b0f80f22c33ba718c86be9039a5f0dc3. Chain 2 (Bitcoin): anchored in block 958517 (2026-07-18T07:54:29Z), 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/IL1042502001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x001d416b59dde52fe4c32925a3dae176d2701e8aab55b6adf92626c0d0c3dd68. 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/IL1042502002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0fec8fad0f2bcbc407a17db1ed6b1f4c1bbdc59efad5e83ca09f3bdfc76f91a1. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/IL1042502003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a3ff9dfc31dde79a94dea94fa9e53318a0049b71e8a96e13c343f2896b1715a. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), 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/IL1042502004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70270efff22d15ab9ebc255ad3b3ebecadd2e7f41ce729e0074dafe23a76325d. Chain 2 (Bitcoin): anchored in block 958377 (2026-07-17T06:48:00Z), 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/IL1042502006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb34b3e64f3f2099f71f6d5ae4462a1812be1f00a92ff2891596b69722a141a9b. Chain 2 (Bitcoin): anchored in block 958432 (2026-07-17T15:43:17Z), 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/IL1042502007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x385646ac93e8ed195d7e7f4f66e33a0e32d8f7dee0f8bad56e4dc27d56bcdb03. Chain 2 (Bitcoin): anchored in block 958857 (2026-07-20T09:45:25Z), 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/IL1042502008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x025e87b49911b9ff53ee5e03e31a2c96b5786e43f719f24ed2b5162df99b0da5. 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/IL1042004814.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42e2fec76e166321bfd2fb0ef9d70d78a938c9f2e6b0d1dc7c90d9ad3613e0f8. 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/IL7112001146.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a616525fa5cbb37bad941b4adc589e52d6933e22f5d19cf9da6459e1d9aa0f7. 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/FR2X42258377.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfebd7f019872958efa2c813dce2643dc83aadd00308c6e6d2780b6d2a3771a35. 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/IL6432200738.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca1fc0c695c7b85642c1c8e375d60346b1f9593a95861954f9b6996e9ce52e8c. 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/IL7532421562.
מכונת הזמן (כאן 88 עם שירי ראשית המדינה בביצועים אלטרנטיביים חדשים)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44f92943acecaf1dc2f1ce74c9f261ff4f139989c0f325aab1de3420e27b8d70. Chain 2 (Bitcoin): anchored in block 960121 (2026-07-29T15:22:21Z), 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/IL1021810282.
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 0x25ad473f37bc0f9d279e24193f1d6f2fb92ded368918912f24000f3050a32e10. Chain 2 (Bitcoin): anchored in block 960266 (2026-07-30T14:44:50Z), 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/FR2X42258385.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e24ce0aa4946835a85ceed32a40e5c125de58374a8f54d13954affb8652aeb8. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), 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/IL6432200741.