Fortunato Chelleri (originally: Keller, also: Kelleri, Kellery, Cheler) (May or June 1690 in Parma – 11 December 1757 in Kassel) was a Baroque Kapellmeister and composer. Biography Chelleri's fathe
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 0x5346d176a951356de13878a37bff069f3ec2f7431e24f4f31a11b8d9b2306d43. Chain 2 (Bitcoin): anchored in block 954014 (2026-06-16T22:46:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/34fb414a-94b8-42d9-ace5-7176510dea65.json and https://artists.proofprofile.net/proofs/artist/34fb414a-94b8-42d9-ace5-7176510dea65.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Above the Mists - Echoes of the Mountain
Chelleri: Dio sul Sinai: "Odi, Mosè mio fido" (Dio, Mosè)
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 0xcc2d40d92de6a04e22cca1462ee8b3392de56752578b80ded814a05e92515e46. 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/GBAYC2002524.
Chelleri: Dio sul Sinai: "Caderà, perirà" (Dio)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0768d781eab9475eae1bd7b85bd55cd6c9c590ff577d066b394f3a172ed72ae9. 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/GBAYC2002525.
Concerto for Violoncello and Orchestra in G major: I. Adagio staccato. Tempo giusto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x519be17ad6505c01a12030f2a6ca4da587c56235d0fb8c1cbfaa176ea4e71d2b. Chain 2 (Bitcoin): anchored in block 960240 (2026-07-30T09:57:33Z), 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/DEE471300472.
Concerto for Violoncello and Orchestra in G major: II. Andante e spuntato
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x220b534a9ec79a4b02a555d65150505e04ebfd9331a863a06d56c03e3f2fb3e4. 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/DEE471300473.
Concerto for Violoncello and Orchestra in G major: III. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xadf388ed1a303e259f9049254f9ab277ce0e5a088cb9f8f0e02508edddaf7757. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/DEE471300474.
Vivaldi, Chelleri & Ristori: Teatro Sant'Angelo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37c5c52a7de39a00988ca692b0ed7eafba938319e24f338f2a7ab2521d2612e4. 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/FR50X2293802.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3f0c92311b21c9b8449da293882a61622ab2bd8fa2ee0174a412e9dda86c331. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/FR50X2293809.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef58498d0d840ff60ac085562438d2e9edf0e43fa3635f571b84911ceedb25b3. Chain 2 (Bitcoin): anchored in block 960241 (2026-07-30T09:58:01Z), 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/FR50X2293811.