Luce may refer to: People Luce (name), as a given name and a surname Luce (singer) Places Luče, a town in Slovenia Luce, Minnesota, an unincorporated community Luce Bay, a large Bay in Wigt
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 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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76dcd0252b85ca9f2c6fdfb2efe0b824a04edf717a88b97d11110ceb71b77e80. 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/9dbdd443-8780-40f0-8198-5a7e50ab8bc6.json and https://artists.proofprofile.net/proofs/artist/9dbdd443-8780-40f0-8198-5a7e50ab8bc6.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 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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14567719029cbaebe195eec6256dac123a9071b35fc19dbc3f9429fc154d64db. 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/FRZ081100172.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf11bd858e32c496fc7c227b191086f8cc01e871a95a3e0c661d4e8cacaf37890. 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/FRZ081100227.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81e944a5181e8635749684951cec52841fc7c991f2b923bb8ec02e7bd24b0754. Chain 2 (Bitcoin): anchored in block 958774 (2026-07-19T20:03:27Z), 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/FRZ081100231.
La fabrique à comptines (13 comptines chantées par Luce)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad9feb82818214164eff650a1d2cbda28411a390cf6325bcdd34cb490ead6fbc. Chain 2 (Bitcoin): anchored in block 958194 (2026-07-15T20:32:27Z), 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/FR7W91200301.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3039b80cbe80ad7a39c2bd6f453451c97caec07377ad9bc8d559cb2cf131c991. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/FR7W91200303.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4a22777ccd924870134fad1f5b94cbf719cc199dbe02bcde2f18d415529ae5b. 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/FR7W91200305.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9eb6b0cb2ac53dd3f6775d094cf67a9983b4f7dead3f6c8a8d3fcfb0687530ec. Chain 2 (Bitcoin): anchored in block 959026 (2026-07-21T15:38:13Z), 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/FR7W91200307.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9399ab92c658becd1d5143e38f721c674f53bad260571cdcb06fc0cee035d9ad. Chain 2 (Bitcoin): anchored in block 957898 (2026-07-13T19:28:48Z), 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/FR7W91200308.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x016edbc9d7982296304352dcb620fa29d60d4e89a55abd4f5eafd4e77b2960ed. Chain 2 (Bitcoin): anchored in block 958152 (2026-07-15T12:00:27Z), 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/FR7W91200311.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c2c66f02ffce937576b7afe36a5e4e0ffd8a5434ba8569cbdbb6e365e841bb0. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/FR7W91200312.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x918eef062591967552f440ffa33216afa4cbc40fab9f7b85ac520f20d3e87952. Chain 2 (Bitcoin): anchored in block 959087 (2026-07-22T02:05:55Z), 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/FR79W1400470.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x919c3802406b052af76defc0bed598856c5bd6f9993f52f076f5d0b183781204. Chain 2 (Bitcoin): anchored in block 959051 (2026-07-21T19:48:03Z), 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/FR79W1400560.
C'est ça l'amour (Extrait de "Cendrillon")
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13a1772065bc35967e343cec81fb4e9c78c4ac2be0d1b23237909740931cc9f1. 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/FR9W12024595.