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 0x88a681bd3c1a25d8a2f1be12577d6f7ffb0312d617ac91884d8dd9118b60ef53. Chain 2 (Bitcoin): anchored in block 953605 (2026-06-14T07:39:50Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/101445f1-dcbd-45ab-8e74-0aca19deb476.json and https://artists.proofprofile.net/proofs/artist/101445f1-dcbd-45ab-8e74-0aca19deb476.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Siionin laulu 32: Katselen Golgatalle päin
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 0x40892803775cbb4c45465cd54dab6890f19e8eca0d5918947c54fd86b8024904. 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/FISRK1600155.
Siionin laulu 33: Golgatan voiton sanomaa
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd03cc7a6644d63b8176f44d85caebf551717a364ae3718dafd12c63588dc9ee. 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/FISRK1600156.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b853996800f05ba544925506926f9539eee9a18b72c974f26200a15589282a9. 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/FISRK1600157.
Siionin laulu 43: Pääsiäinen koitti, suuri juhlamme
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb77ecf5fe22fd0bd0a14cf622fc0e8b09b0c89cb4b58a7ed8df24001c7da8ff7. 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/FISRK1600158.
Siionin laulu 58: Nouse jo, pilvi verinen
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x369da127d07c3195d43044877b080fba54a8cd419ad0d48f4a05c232b0b730c3. 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/FISRK1600159.
Siionin laulu 125: Kiitämme Herraa laulaen
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32bff7e35a3b091e377a831ce0bae055b290a7d002b952f2272ecda26c17efa3. 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/FISRK1600163.
Siionin laulu 149: Soit, Herra, lapsen meidän perheeseemme
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd6da29777d842932cb2ea18422eb429b02273485ef8e0ef560be8315562d912. 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/FISRK1600164.
Siionin laulu 236: On niin paljon asioita
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57fc3e2fe50ec1296c646300f305e914e12d3ae5bffc9dcca767f261eb35718c. 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/FISRK1600166.
Siionin laulu 318a: Nyt päivä laskee, yön varjoon vaipuu
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ca493b6b447f22b5bc7c756471589e21641b73f3b24e727880c35f7268cf108. 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/FISRK1600167.
Siionin laulu 322: Oi Herra, sinuun ainoaan
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x84bfa90fa85a0f84b3d1bd4422f601983241b7c02143ddee93c7c699fc486b1a. 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/FISRK1600168.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e896b40054a0030277b7fee8f76851aca6003e53f2e7bb9ecff0a0c6b581bd8. 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/FISRK1600171.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53369fc5126107182fc98de5e5bb376e7f5680ff53d707cb2595cf3de0acc816. Chain 2 (Bitcoin): anchored in block 960277 (2026-07-30T16:10:47Z), 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/FISRK1600160.
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
Siionin laulu 91: Taas Jeesus rakkaudestaan
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca7423e90231a727d21608a65d1d53d2f959fd25458086b29edcc072c870fe6b. Chain 2 (Bitcoin): anchored in block 960125 (2026-07-29T15:38:18Z), 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/FISRK1600161.
Siionin laulu 97: Näin uskon, tunnustan myös sen
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf5a6f88473957671d1890bf35e7572115aad7d4f532a0673457b51e7fe9459d1. Chain 2 (Bitcoin): anchored in block 960321 (2026-07-30T22:27:30Z), 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/FISRK1600162.
Siionin laulu 180: Mestari, haahtemme aaltoihin vaipuu
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef135792bd6a879505d7fe1e28ebc97ec17c1ebbfc6e9a34107b59a1c8878f25. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/FISRK1600165.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86849b1f91c28cabc57e01a473b104d20d368e7051f309e5522e5fe4fd690d58. Chain 2 (Bitcoin): anchored in block 960273 (2026-07-30T15:42:38Z), 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/FISRK1600169.
Siionin laulu 357: On Jumala maailman luonut
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a46f497f5530b9490138542b9931ae90ff30ed89699a2c1e0c174957be748fd. Chain 2 (Bitcoin): anchored in block 960298 (2026-07-30T19:26:00Z), 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/FISRK1600170.
Siionin laulu 36b: On Jeesus, rakas Ylkä
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6679a5d51dcf0573692e9fd209463ca9b44b732879daf63e0636d615ffeba7f1. 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/FISRK1600310.
Siionin laulu 49: Nosta katse murheen maasta
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1c1cffccdd97175e6564ff3a06a2d6751f7aaeacf7ce6cae0e06a603688c559. 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/FISRK1600311.
Siionin laulu 264: Siionin tytär kerran saa
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc310b513a0dcf5d37767ce2471dc9aa14091ed0708af3e2a7c98d1cc937ea1b3. 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/FISRK1600313.
Siionin laulu 265: Oi, milloinka Yljän nähdä saan
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18006e130968d242a758cd02a9ef39ff281c25b7636cd92fce6db040454202d1. 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/FISRK1600314.
Siionin laulu 284: Kuljemme kohti uutta isänmaata
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d43dde7641b8c49c2b7097c486585fd168e8e80679b6387876f58f33d1c9fbc. 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/FISRK1600318.
Siionin laulu 290b: Jumalan luona kaikuu
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9295f59fb101cf59c08c35f3d3df25e5eaefa79a1b6a4bd9e5cb5fd8f958b5c5. 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/FISRK1600319.
Siionin laulu 292: Synnit poissa, autuutta oi
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24d23d03dd071f2f711cecb4d1dfc584675512353e3e933a2434d9fb41641ac5. 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/FISRK1600321.
Siionin laulu 338: Herra, sinuun katseen luomme
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8562312450e7e8e2cd1036a2180012c49dff71f2ee8b0b62ad6b569c68aba450. 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/FISRK1600323.
Siionin laulu 344: Työn vuodet taakse jäivät
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcde473ae02870cc1242845c5061784a736c314a9c1993ebd11150c74cf1481f7. 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/FISRK1600324.
Siionin laulu 354: Hedelmän jo usko poimii
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55c90bfd6604c986b7785ebc5ccf88d1b02a5b76d7a0ed0689f1ed28eee223b8. 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/FISRK1600325.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2eb48a2cbeea7e05bbfb3568c1cab32528aca48b7217a4ebbf24b63fdd44577f. 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/FISRK1600326.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0286b46598c6b3c66b9b1ff49256c32f5153afa65c10ad48317f511768ca9fd. 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/FISRK1600327.
Siionin laulu 263: Ah, jospa Ylkä taivaan
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x645b873b5634eb0738802be268c36e8c08cb017785665a31d4d437504c257ee4. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), 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/FISRK1600312.
Siionin laulu 271: Jo kohta koittaa hetki
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e31f23922f96c02cd7d8f5459af3e3a845e0e3d0311a2bdf824ae81f597e5bc. Chain 2 (Bitcoin): anchored in block 960389 (2026-07-31T10:20:10Z), 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/FISRK1600315.
Siionin laulu 274: Sunnuntailepoon soitetaan
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7ed838abc73b6bacfbc0880e7f9f534901095c8f0bcafc0162c3b9e55a4a3b7. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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/FISRK1600316.
Siionin laulu 282: Kun lapsen pienen Herra meille antoi
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82f605b3268d148ee8391854d45adb9ba53cd71b7eb813d74995aaee527c6254. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), 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/FISRK1600317.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x393d615683c45c7a24a0706a52ec12078699a63ea4de356ae91107d92c49a352. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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/FISRK1600320.
Siionin laulu 299: Oi, kuinka voisinkaan
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7026b3cf17bf02440f620905566a3154087906782c920ca8dc15bac6e965e7e0. Chain 2 (Bitcoin): anchored in block 960247 (2026-07-30T10:42:33Z), 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/FISRK1600322.