1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 0x7002b626397349490b21bac12a9f522e15f5cc58c30473a1bf63c5efc1a35e5e. 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/41345eb8-5c62-4be9-8687-e651bf47f445.json and https://artists.proofprofile.net/proofs/artist/41345eb8-5c62-4be9-8687-e651bf47f445.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Roked Lekol Habanot (Dancing to the sound of the girls)
Erev Shel Yom Bahir (Bright Day Evening)
Hayadata Et Haderech (Did You Knew The Way)
Nachon At Yafa (You're Pretty, It's True)
Ata Mesha'gea Otti (You're Driving Me Crazy)
Chaver Bechevrat Atzmi (Friend In The Companion Of Myself)
Hakol Oved Levad (Everything Is Working On It's Own)
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3adb7c78769d8e3a34768fd0051c210a6a472e2ae2d7655b6caa70637a1fe8fa. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0N5DiYBSYbWXV1obI4Bipe.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0N5DiYBSYbWXV1obI4Bipe.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53a949c4483e37df40f5dc47bef37de1aebe2a1117bfd37a94c58b280953b23e. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/68eBVkhZPzjkQ3hnG401Bl.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/68eBVkhZPzjkQ3hnG401Bl.
{"copyright_id":"0xa1c495894c618f8c00b31a7aed3be68dc4c4f13f8f9ac9d941db1527d9aa5dbd","isrc":"IL1010000871","name":"ערב של יום בהיר","registered_at":"2026-06-04T11:57:58Z","spotify_id":"2jMgv2F3fWC8FKRueqia6z","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1c495894c618f8c00b31a7aed3be68dc4c4f13f8f9ac9d941db1527d9aa5dbd. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2jMgv2F3fWC8FKRueqia6z.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2jMgv2F3fWC8FKRueqia6z.
{"copyright_id":"0xeee48eca8912f59ed208f3478bae963170ece85fbe27bf05b66d7b0dac94d860","isrc":"IL1010003931","name":"להיות כוכב (או לפחות ירח)","registered_at":"2026-06-21T12:45:42Z","spotify_id":"7xnN4PwD9pwxlIFBnC1F7o","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeee48eca8912f59ed208f3478bae963170ece85fbe27bf05b66d7b0dac94d860. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7xnN4PwD9pwxlIFBnC1F7o.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7xnN4PwD9pwxlIFBnC1F7o.
{"copyright_id":"0x08716c152d36a2f517cfce52bf672b72e9da3c0f030bbc3fee16ee5a22cce600","isrc":"IL1010004704","name":"עברתי רק כדי לראות","registered_at":"2026-06-07T04:10:33Z","spotify_id":"2GpVADy8RqRYpiSRerzN7n","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08716c152d36a2f517cfce52bf672b72e9da3c0f030bbc3fee16ee5a22cce600. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2GpVADy8RqRYpiSRerzN7n.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2GpVADy8RqRYpiSRerzN7n.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c307685bceb0a90f079d5e5b7bd10195a25d27f1b0f5bf95e1c979560a65a20. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/60l24WzU5XZabEfSShOIjJ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/60l24WzU5XZabEfSShOIjJ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac477716075244ef65168cd21ab0089bd73327539b2c8e99174405989c806d4e. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/22zknzl7K71P3L6oJvpecK.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/22zknzl7K71P3L6oJvpecK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7dd34c8e681a443b3f54c7c3ace4660227c4a4c3943f03c2b721c8868c18571. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3VE09kmUaiP8S4AAyOML7x.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3VE09kmUaiP8S4AAyOML7x.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7bd85e0d858e0daf20f9607c2959faff2ef289890c1150e9a56d79ab51f7551. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3mwnswpcecjR9AtIHjFZqY.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3mwnswpcecjR9AtIHjFZqY.
גשם אחרון - השירים היפים של יאיר רוזנבלום
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7dd34c8e681a443b3f54c7c3ace4660227c4a4c3943f03c2b721c8868c18571. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6qO7i2whuoAkhDUnhHSUCP.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6qO7i2whuoAkhDUnhHSUCP.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7cd4d5bbc0ca2a1e58a3d4679d288f2c0e0ff48c48b0c8724258313cfced231d. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1Uu6uSt9jjb7hc16k81maa.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1Uu6uSt9jjb7hc16k81maa.
{"copyright_id":"0x28e06eae7f9aef72653a7f75f4ac4041ccd65827c1d2a9c2cd0091ace2d9a8fe","isrc":"IL1001800006","name":"כל השבוע לך","registered_at":"2026-06-24T21:31:06Z","spotify_id":"1YiugkpoGsBcO4reig0jXk","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28e06eae7f9aef72653a7f75f4ac4041ccd65827c1d2a9c2cd0091ace2d9a8fe. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1YiugkpoGsBcO4reig0jXk.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1YiugkpoGsBcO4reig0jXk.
{"copyright_id":"0xa1c495894c618f8c00b31a7aed3be68dc4c4f13f8f9ac9d941db1527d9aa5dbd","isrc":"IL1010000871","name":"ערב של יום בהיר","registered_at":"2026-06-04T11:57:58Z","spotify_id":"2sKGRVdNQTdoIy1eQ8A4SC","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1c495894c618f8c00b31a7aed3be68dc4c4f13f8f9ac9d941db1527d9aa5dbd. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2sKGRVdNQTdoIy1eQ8A4SC.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2sKGRVdNQTdoIy1eQ8A4SC.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7cd4d5bbc0ca2a1e58a3d4679d288f2c0e0ff48c48b0c8724258313cfced231d. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/71BNeE0EBoxb8nIa30kpim.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/71BNeE0EBoxb8nIa30kpim.
מי ידע שכך יהיה - השירים היפים של שנות ה-70 (חלק א)