Puuluup () are an Estonian nu-folk duo that was established in 2014 by ( Pastacas) and . In November 2023, they were announced alongside 5miinust as one of the semi-finalists of Eesti Laul 2024, the
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 0x1c1ce932353e09a05f099e5bda3a2908eea0e71ee38ce58f3269a18209ea09ff. 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/641a4519-0a0f-4439-9d55-c8192c2da3d4.json and https://artists.proofprofile.net/proofs/artist/641a4519-0a0f-4439-9d55-c8192c2da3d4.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 0x08dd6a6a805a23d78cea6829c4f5db04316b4cbebd47182ab409d9a1ac6d2958. 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/EEUP11800023.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b8b9c388b51a11e18c88e2e47c37a7c63f6a720872a5dea5f5464dc3574671c. 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/EEUP11800025.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf83ec18799c8020c32425eb6a65c357cdf838316ebaf24e9a08cd811d5b07bea. 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/EEUP11800027.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3da6644214a026e1d8781f61c446671ebcb5f14f64b593e163c05c9f4b68d8c. Chain 2 (Bitcoin): anchored in block 958935 (2026-07-20T22:08:19Z), 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/EEUP11800028.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa06df8c4c830703ade646eab0a1e82c9df9290b8faf8e8fa32da939a190165d5. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/EEUP11900001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc270a74779d7a623f2e00071eedd3588a4a8fb0d36fb06c91aa9c97347c7314. Chain 2 (Bitcoin): anchored in block 958246 (2026-07-16T08:04:59Z), 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/EEUP12100013.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe73d4e57378a961dec8375d424eb543c31e7db4b116ed281d5f13f475165a1ad. Chain 2 (Bitcoin): anchored in block 958462 (2026-07-17T23:17:53Z), 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/EEUP12100014.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3008f2503c5fb094ae7e732a14a7dc33b0cba1df2e73774d63e35ff2736f087. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), 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/EEUP12100015.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x259daa4d59a8e4e09b9e8db44dd93435c7c7657511e3459a052d13f882b463ca. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/EEUP12100017.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa06df8c4c830703ade646eab0a1e82c9df9290b8faf8e8fa32da939a190165d5. Chain 2 (Bitcoin): anchored in block 956397 (2026-07-02T21:02:00Z), 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/EEUP11900001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcea19d76541dca854eaebe8845025118c33d8958293a7bb1375f875cae9211ed. Chain 2 (Bitcoin): anchored in block 958931 (2026-07-20T21:15:01Z), 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/EEUP12100021.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5438f56e9af1308af6528cef8192464566aaa3dceeef1db1d193ca6ed4efcad. 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/EEUP12000002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53351f535a0fb2f0eea745780bc637f8fb5fdd3ad10185f4e3fb2dfbc5707fcb. Chain 2 (Bitcoin): anchored in block 958212 (2026-07-16T01:34:43Z), 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/EEUP12100023.
(nendest) narkootikumidest ei tea me (küll) midagi - Eurovision 2024 - Estonia / Karaoke
Eurovision Song Contest Malmö 2024 (Karaoke Version)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4b1f2f18971e9fa0f07cb1937643111009ff3aee9f32a8c3b82c321f6c136af. 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/DK2DY2400118.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e3748644a585e1b0130e53802cf9c0dec96b29d037b4ff88910d2c0c60e79c1. 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/TCAFY2108874.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdcc16cee32daf7c3026e8874d568788af254c29f4a77994a5159c48660a8c234. Chain 2 (Bitcoin): anchored in block 960150 (2026-07-29T21:51:49Z), 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/EELD32000014.
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