thumb|300px|Eifo HaYeled performing at Tel Aviv Savidor Central railway station, 2015 Eifo HaYeled (, (lit: Where's the Kid) is an Israeli alternative rock band."Tune of the century", Jerusalem Post
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 0xdc4178fdbca4c33ba16221a78b311f9407dc6d242a90bccc6491d53407101368. 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/0405b373-6d7b-4f32-b292-6faf21fa0090.json and https://artists.proofprofile.net/proofs/artist/0405b373-6d7b-4f32-b292-6faf21fa0090.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 0xb62b587fece6f357032f9c18fce0f4c5b6aa7ae4cc7b6b4187e456558bf80173. Chain 2 (Bitcoin): anchored in block 956440 (2026-07-03T04:03:57Z), 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/IL2039301010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75a163bd19714b7b73c82c730184977a22abffd485c73aa9f8af184b2eb1e4a9. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), 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/IL2039301060.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff3fd56c2deb191411222f7364b00a7b2260c06e68ec90bac15e67f8bad17b3c. Chain 2 (Bitcoin): anchored in block 958476 (2026-07-18T01:26:56Z), 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/IL2039301100.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0cb9c1a1cc9f9b0a6039e3eb50a1b04e7cec1557f80ee1cba8946660ddd3b447. Chain 2 (Bitcoin): anchored in block 958543 (2026-07-18T11:58:44Z), 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/IL2039301110.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd8082cd175671748c84d2e981c463c907d934681952b720d07db2bb83b53f42. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/IL2039301120.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0f9064d4a5baacf844ba541495493f8157bcee1fa9bcf563fbae69d8cbf01d3. 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/IL2039302040.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf660a64974f4dd4abc6e9bdcbfbc3f316c312f38ff196220b7fdd9826888f29f. 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/IL2039302060.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13368a81299d5f9583352b5a0af1a72ca32487734e7e932795647541242d9517. Chain 2 (Bitcoin): anchored in block 958060 (2026-07-14T20:39:42Z), 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/IL2039302070.
Masotay Im Atzmi (Traveling With Myself)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ad5edf710c77c0981b0e7cc88d90dae70921456942ad382fa5ef3d3d1d05ce2. 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/IL2039604010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x12d71a675495871284fc89dfa248b15d6d6a3662e0a6e53666fbb36b1485cab3. 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/IL2039805010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ce65ef0ee166a101263aa675b53a3e6d403e3093c675de0444df3e2471c1a67. 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/IL2039805020.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79cd2b69d37427c1674e6b45088053a2473e9edecac2acb71cf8447e01ba4544. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/IL2039805030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3924d48289c151ebd91de89a1b6524e6064b878a4b8dc992e234f2e6b4c6be3. 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/IL2039805040.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x90854072b876058fb0444266822efa87012ad49f7d2197294bcb553fe05ed62f. 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/IL2039805060.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfae73ba5042dac2d377db44ce3e19fb0a4e886e80e9e9c014dd09056b91360dd. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/IL2039805070.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e23110b5f23694d5a1b630a486811c44c7dd96995ad0413c51b99749f2d8206. 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/IL2039805080.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf9cb5f56a71327f814ca5896b020ba255bd6e291dfcd6268d0fc724ced81ae4. 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/IL2039805090.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x381c8e6b1c866b456d542de9a6e9ffaca72e9a1ed1bffe3151110705f931fc54. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/IL2039805100.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2c2abe9af57c1578c4083d3b407e4b6fa51897c6ee2dc6df2759146c366aaac. 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/IL2039805110.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2266e94437064d5bdc5f7751d2e21e1cdb3793dbba0e89f5e1d627ac0c37aa3a. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/IL2039805120.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71aea3c31cf558953f48456dd43665bbc92c0f9b3ae62c61bf9386d03135dd54. 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/IL2039805140.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47e94b30bbc0ffa76f370329dce1bb95e459cee9b62ed46fbf93d9df57f14146. 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/IL2039805150.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb82550d65fc5fd95e4f68f223d95072327efcb40d12c36fa6c22b5fd0acd8619. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/IL2039805170.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3679979603c61432dc843d945e4a56f6f05507a7c580e861f6ba4fafa6b2edba. 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/IL2039805180.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77ab57ac8e2aa8c5e2dde2ee3d93928c0febcf637e956b98e0da370014e7a6d2. 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/IL2039805190.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec8ccc5d9beb1ccc3315a7583097e972d0ec138157d6e5a655dba06855b104f2. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/IL2039805200.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61235dfd023967c9cf09512ca2df039466591e8419fca5bb176c04a122964c5d. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/IL2039805210.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe98d941520d5899d4b1f9c9b19ec6609384e97ee04a3324ed0cb6969e99e41ff. 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/IL2039805230.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c63b675ee5208841e7bebfc54cc8c966c1adb0bd14e03b28523dd5bd08f1226. 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/IL2039805240.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75d157b751358adbafd8f0d7c46c7f9e88131df696a37d0140967f270292bf66. 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/IL2039805250.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3590a95d00dbb55ecaf13c8d626f92623eba9a7ee3898937b3ce1ae0caa45967. Chain 2 (Bitcoin): anchored in block 959134 (2026-07-22T13:34:27Z), 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/IL2039805130.
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 0x0364c9d02884e896940afe8d8636f98e97d8ae6598129ba62b618c01135a6ff3. Chain 2 (Bitcoin): anchored in block 959159 (2026-07-22T17:48:40Z), 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/IL2039805160.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5610cac95c3be701e3083874cdf0dbd1a856bfe092de84142b3935aee1b9524. Chain 2 (Bitcoin): anchored in block 959159 (2026-07-22T19:58:44Z), 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/IL2039805220.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf426f1977ff577ab261b00dfad0380e4f42722eb8d7795ac8f556368023bc0f4. Chain 2 (Bitcoin): anchored in block 960309 (2026-07-30T20:35:49Z), 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/IL2039805260.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0bad0e99d7b6eac9f206a20ca8588967b7de56d113ca1b487d068c3d16940be. 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/IL2031105040.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x369385d3f70f73c6df980a0c7c7c9b94c33f257dda432d93e68dc357dd0e1b97. 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/IL2032104001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5b6686e9949cca39932274dccae184f8d6eee98cd50399a9b2f9847fe7d39d0. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), 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/IL2032411001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6600c525434cc49cbe42a46af834baa45179976ae449e8ca8450948404f08a78. 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/IL2111808004.