thumb|Liisa Nevalainen, Finnish actress Liisa is a Finnish and Estonian female given name. Its name day is 19 November in both countries. It originated as a variation of the name Lisa or Alisa. As of
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 0x61fa602ccf8e89797669c0498c7dc8971324f41a1ed461418a306cf3df4b5ab9. Chain 2 (Bitcoin): anchored in block 953778 (2026-06-15T11:57:35Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b3e0a692-ef7a-4390-81f2-4586728db871.json and https://artists.proofprofile.net/proofs/artist/b3e0a692-ef7a-4390-81f2-4586728db871.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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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 0x73b130477c2682afcea01e75e63e06280661b07cdc6de4efa31e07199be53dc3. 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/FIFMF9800239.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x573ca5cf97a8774f6319448dd53339674dcf821d8ba93bdbb5572250873d3a65. 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/FIWMA0400680.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4d5cc20491df780e2f86d6618e87b644080c87879208c4bd46007cfcd84c980. 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/FIFPS7900045.
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf5d629dfaa8962adf6358908fef07a3756737db0424b09fc379c5c40ea3db632. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/FIFDP7900007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46ad39c88c0789f52dcd04cf8aa372bb96acc203d5895fd03ed2bb3eb9cfc010. 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/FIFDP8000008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9854adee6b3d23b941c4b76e94d499a7477a19b1e6d766f377e42a248906a253. 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/FIFDP7900005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f77de166bc9fc180773f26e2781d3cce1a337a32de7add72d2fa424c841a3d8. 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/FIFMF9500493.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7d3f19a6c588c902e4a63df67eaea92a2d31c824a7449a83826f33070b852f2. 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/FIFMF9201601.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xace50fa0745f218eac59935843e8e43c5fa311c8a624d4f9dab6c438cb5d8592. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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/FIFMF8600800.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e31c317c53e1cc7100bd63f76eddae3b6c8b663369321c3fea70733536dcf68. 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/FIFMF9500494.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa49ee4a3a812e43b0b351764df363ab2c5f408788486d6312824e2fbdfc12feb. 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/FIFMF9500495.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34613bfffa2a3b1c119582ba3075db3d0966649c1e1940117114a0e4b3e63442. 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/FIFMF9500497.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61f88224b59899d390e2977d19c3373a578f4df50650dce1b88dad5e93dcd0ab. 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/FIFMT8300300.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94245d32603f07dad1908def0a2605c285d0de883524306e0d5988f36d5b2280. 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/FIFPS3600002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7787dca99c063d8bb82d32ae1bafd4ab073841bfc5127ce2c7d8d91112fa38dd. 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/FIFMF7700156.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0d9af27a6f19578d6a2a15803a49ace736b6cde8c1c54b81203c9e39f52af99. 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/FIFPS3700005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c328f3c852236653c248137193c069183d3d784a24cc2fd07069f70f2f2b5b4. 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/FIFMF1220819.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad38036b5c01cc7a95d23c18949974457243b0821c67eace35759c389f4c449e. 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/FIFMF8300025.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd14d07181a517b481ff2291e54fa798c64fd7815f5a2e3e5930b1e18bea38df. 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/FIWMA0700879.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47c4d5ca8c239cee7db6bff557ddd59efcc0146a7c3a09c2e7abe54e2799a1c7. 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/FIWNA1000758.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3396bff2c486d9c92234f7f45f94e033fa0f7b3094d229dc36a8b549863db28c. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/FIFMF7900016.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e2618f0c9659407ceb1f2384f94ddfdf375398fa281f5fd7622fce7fcff2231. 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/FIFMF7100025.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f502c5e08beaba95074f67f475de247375c54c675dc6f64e60bcc0722ae3c3f. 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/FIFMF5200200.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f60fdd04aed9f4047f046c99755f449f144f1e0e59981c44e87a5ddc55de19e. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/FIFMF7701000.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a7e4eef55bf8615668ef8702b6ae0fd7be2485e624734d82c2a1a4890e54340. 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/FIWMA1000764.
Suosituimmat eläinlaulut - 20 hauskaa lastenlaulua