Ernst Mosch und seine Original Egerländer Musikanten
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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 0xe0c053b840a4310301fa3eaf03bdf3857d856dce89ad15b95f83fbdc94ac2c90. 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/f6e8dbb2-98dd-41aa-89a2-99a865c88468.json and https://artists.proofprofile.net/proofs/artist/f6e8dbb2-98dd-41aa-89a2-99a865c88468.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 0x13037bb96c3daefb67c71f129ce0b8fc86a9b251518ce2799fe5f1cb78f3786c. Chain 2 (Bitcoin): anchored in block 958526 (2026-07-18T09:09:53Z), 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/DEG411298403.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e39cbeea23e33fc6b2c9c1c6bd652b3e2f35926d8b2269436fcf4927d73e28a. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/DEG411298405.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x90af468361e8c74ee632c848a5f5e9c9da7bba8a5d153f687483c9dc4585f4be. Chain 2 (Bitcoin): anchored in block 958377 (2026-07-17T06:48:00Z), 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/DEG411298407.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b61880a7a5f7106dda996bb0a6f8862852e0ba601a28632a8d67215ffcb4c35. Chain 2 (Bitcoin): anchored in block 957770 (2026-07-12T23:17:00Z), 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/DEG411298411.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9c89bebdf285259ea15c264754563faf2c3ad46b7530af708ec36df50e7e053. 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/DEG411298416.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x861a727f46227fee337a1703ccb7cc66277df0c6b96dab9a490ef0113ea2e029. 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/DEG411298421.
Polka-Potpourri: Herz, Schmerz und dies und das/Powidldatschkerln/Mein Rosa ist aus Böhmen/Egerländer Polka (Moiderl, leg di nieder)/Egerländer Polka [Wenn i a, wenn i a]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xacaa4f8b72593eb9a3a60837156b2dd1b631ec4fe1157ba92401f513db05f92c. Chain 2 (Bitcoin): anchored in block 958377 (2026-07-17T06:48:00Z), 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/DEG411298425.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5bd288e19bdf34d36c5c5327d77b76f23c2aba92c361f3099564c3ede654b01. Chain 2 (Bitcoin): anchored in block 956742 (2026-07-05T05:07:15Z), 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/DEG411298426.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c06eb8180eaad47851ddb0eb6c88283ebb7a209d6e732d6098bafdf057490be. 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/DEG411298427.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8a3481ad3fa4ac6e10b353012017a258aec8e764c479758f9b4bc246d47e8c4. Chain 2 (Bitcoin): anchored in block 958838 (2026-07-20T07:01:21Z), 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/DEG411298428.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f689a20b6741eb79f5df303fac25df221f1c841369ac3438b5750e60d7a4b2d. Chain 2 (Bitcoin): anchored in block 956620 (2026-07-04T07:11:13Z), 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/DEG411298431.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf6e41e7577e09c9ff0a4bb5fbab0b403e70c4e59fe5876ff1278afbd5007fce. Chain 2 (Bitcoin): anchored in block 958286 (2026-07-16T12:43:37Z), 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/DEG411298441.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30bd6ea706fac9396d86449e1c6ccdf51cd1e63221c4d215253c9f80dc02bcf4. 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/DER751533723.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36ee50ab0e100d37fd5e10afbc203565b4735d935653136f45804cfdf3123c7b. Chain 2 (Bitcoin): anchored in block 958461 (2026-07-17T23:18:11Z), 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/DER751533726.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3def2f65ea33d2953f24fec369ee11fff626f8574204a1ff9738e77dbc9b5e3. Chain 2 (Bitcoin): anchored in block 958594 (2026-07-18T18:05:01Z), 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/DER751533731.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75c7ddd36c243106d4fc6f41fb28cc5b6943922add4ca70c8c94f8f480bdf1a3. Chain 2 (Bitcoin): anchored in block 958587 (2026-07-18T17:06:26Z), 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/DER751533740.