Seda Sayan (born Aysel Gürsaçer; 30 December 1962) is a Turkish pop folk singer, actress, and TV variety-show hostess.Hürriyet - Vergi şampiyonu M. Ali Personal life Sayan was born in a poor famil
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 0xd3886db0115278c213eae0a63ebc8dc0b9759aa42fe6f86bec675eb2b8536235. 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/15dd5955-b218-4eec-85dd-8cabbe4b9792.json and https://artists.proofprofile.net/proofs/artist/15dd5955-b218-4eec-85dd-8cabbe4b9792.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 0x0e7a04e64d8554c7a809de2d9c853693c9eaf212bf9d2b28d461c16dcd67056b. 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/TR0140500163.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b9d85617d6502e55691e9f6128a228f2e78e82d76653d3c1cdd926cfa276a0a. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T18:56:42Z), 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/TR0140500172.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9bf65e8f7edb9a1978aae7e1d71364d4de5ec6792e52c713c5153eff569245c8. Chain 2 (Bitcoin): anchored in block 958054 (2026-07-14T19:33:24Z), 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/TR1290600602.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeee09404bfe1aba270dd09af72afc8d4e9b55f00a5b0d8092a7d08ff8cc8d37f. Chain 2 (Bitcoin): anchored in block 956790 (2026-07-05T12:31:54Z), 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/TR1290600608.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ee7dda8287dd58e1a395c70736d1c68303f296bd700cdfe1af673adc37cdea3. 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/TR1290600496.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd93462b2198e67e2cc97969c469f6bbecf69c457246d70af199ad85cb2e2be35. 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/TR0530601700.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1c292a620efbf9e633c849f89e69b54d9a73c0c70f3ce45b27d6fb51a0c4615. Chain 2 (Bitcoin): anchored in block 956500 (2026-07-03T13:55:21Z), 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/TRALL1300012.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95c409489d410210b53e014bc84146e8c44897100d511cf02b06059917d82077. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/TRALL1300013.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5807fe1f665129e25add8c67ea5ebdce494cee5866ab7ac71c2a29db771f3fb. Chain 2 (Bitcoin): anchored in block 958538 (2026-07-18T10:30:13Z), 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/TR6601200001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95c4d1df368724d8b7c58addb8cfc99bf50d895a1c7583c89fe98cb90a089cc0. Chain 2 (Bitcoin): anchored in block 958116 (2026-07-15T09:58:52Z), 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/TR0012100471.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2ceb7c103bdfe73fdff63488fc8c724c9d6deab6f37389adddc86529c4de850. Chain 2 (Bitcoin): anchored in block 958779 (2026-07-19T23:38:27Z), 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/TRADP2300015.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46a7e299dd29eef1701ceda7660f3251ee83ed65224df6044cd4635c711d000c. Chain 2 (Bitcoin): anchored in block 958682 (2026-07-19T06:17:12Z), 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/QZ5AB2425031.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x685350b6c914ac42dbf9cd12cf291c833cfce08906627dde81975e3b889bcc4a. Chain 2 (Bitcoin): anchored in block 958325 (2026-07-16T23:34:57Z), 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/TRAAH2400156.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x27128516d041dfd6f142255b774aacbc3b3ebdc6befc23bde1fc06c075ca4bf2. Chain 2 (Bitcoin): anchored in block 956790 (2026-07-05T12:31:54Z), 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/QZGLS2492344.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf790d1fd7c618a8017439973cd8849ed795cb638f04b1906fb01fcb4cefa2ffe. 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/TR0391800185.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9970823b1142dc61129a8ee31e02991d9d1ec118635a096b00c57e69a85a2f61. Chain 2 (Bitcoin): anchored in block 957046 (2026-07-07T14:04:01Z), 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/TR3141500047.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55a90f58385a72d237e003d4d76e8002ab3de1609551b0b872afbb297e5e351b. 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/TR8571002997.