Franz-Josef Selig (born 11 July 1962) is a German operatic bass. Career Born in Mayen, Selig studied at the Musikhochschule Köln, first church music, later voice. During his studies already, he was
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 0x1f51ab9a5a92034ea953f8d0f2e5dd76f642cda43ee0cfb8083fcc2cb599d70c. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/271fae0d-5bc5-40a8-b380-e7418c7381a6.json and https://artists.proofprofile.net/proofs/artist/271fae0d-5bc5-40a8-b380-e7418c7381a6.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Die Ruinen von Athen, Op. 113 - Arr. by Richard Strauss: Chor der Derwische
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 0xdd0213044634fd3e164463af54b8f8867583dc52016978f4b9b4dcb7bc16ca64. 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/DEC989800449.
Mozart: Mass No. 15 in C Major, K. 317 "Coronation Mass": II. Gloria
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0694bf19b87c330e9c177ec902ca92d656bc8002773c4c599c03f7d2378766e5. 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/DEC628800459.
Missa brevis in C Major, K. 220 "Spatzenmesse": III. Credo
Mozart "Spatzenmesse" Missa brevis in C-Dur, KV 220
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd07c0547dd59c3acb4d418426b88516434b4579d171b6526aa9df632397eed16. 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/DEA809450203.
Missa brevis in C Major, K. 220 "Spatzenmesse": V. Benedictus
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb72fba1ac43522f46c3344a132b7170c404e20a6af7df6e7a2d7bd14262cdebe. 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/DEA809450205.
Missa brevis in C Major, K. 220 "Spatzenmesse": VI. Agnus Dei
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a56a758f5fa29f8c69a3cfd31e2b3d0c7d360f43d98a364cf807f7315631c46. 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/DEA809450206.
Kölner Kammerchor/Collegium Cartusianum/Peter Neumann
Sanctus: Himmlische Klassik / Heavenly Classics
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3d2f299edd9ae6fa2afc5ad0d9a7a927ed0393a2686ac4fbe789595b80a0072. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/DEC629000711.
Matthäuspassion, BWV 244: Kommt, ihr Töchter, helf mir klagen
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd18371c2137fb3d12adc7ebb94b8ec7e2dcf410f1fbd91eafcdf50e83f386b3a. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/FRZ139099010.
Le nozze di Figaro, K. 492, Act II: No. 16, Finale: h-i. Voi signor, che giusto siete - Live
Mozart: Le Nozze di Figaro, K. 492 (Live at House Of Mozart, Salzburg Festival, 2006)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70a7005978b8bcda6d74065a4acaf32b81832bddb14851cc3fef8a7d4b71a33f. 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/DEN960631237.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0e01c75f6ab9a93c151106b86e15f54cac2f1b44948d987df6477de8b9eccca. Chain 2 (Bitcoin): anchored in block 960144 (2026-07-29T21:09:47Z), 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/FRZ139099130.
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
Le nozze di Figaro, K. 492, Act I: Recit. Ed aspettaste il giorno fissato a le sue nozze - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3298c53067efa09a8782b6b1bdb2c51e0c2ddb6535e9eed79fc6f5c1ccdf3e78. 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/DEN960631207.
Le nozze di Figaro, K. 492, Act I: No. 4, La vendetta, oh, la vendetta! - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8dbb4a574e2923a4659a3b11d56714baa579d4e279540661b98eae11641417ad. 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/DEN960631208.
"La vendetta, oh, la vendetta" (Figaro / Act 1) - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb81f4d3460fa85d5d626721dbf4dbe639632fb0c81fb29429647dcc75d183c4f. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), 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/DEUM70704330.
Pelléas et Mélisande, L. 88, Acte 1 Scène 2 "Un appartement dans le château": "Qu'en dites-vous?"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b6c7a418b3a4c5834be1539d431c0175bde373c8ac9299208d0bc6514a20bf6. Chain 2 (Bitcoin): anchored in block 960317 (2026-07-30T21:35:24Z), 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/GBDGQ1729005.
Judas Maccabaeus, HWV 63, Pt. 1: No. 1, Overture
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69d7b3c93a1303f12ce718352e2f29dcc6771beeaaa7fe98bfc0d53203fcb935. Chain 2 (Bitcoin): anchored in block 960497 (2026-08-01T02:22:04Z), 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/DEB909200301.