Christian Berkel (born 28 October 1957) is a German actor. He is known for his appearances in Downfall (2004), Valkyrie (2008), Inglourious Basterds (2009) and The Man from U.N.C.L.E. (2015). Life an
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 0x53a6fa46a0d70ba992d142b4b089ccee89d29f19b48e42706f6174679cc4121c. 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/de8d34cb-6b77-44ec-ba13-617cd8ae7b92.json and https://artists.proofprofile.net/proofs/artist/de8d34cb-6b77-44ec-ba13-617cd8ae7b92.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 0x68109eff90f20f7a028e67ffd7395d5226d18dc05ca8e323c1a33a0b4f23f017. 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/DEWM22220683.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf303d018053e15a9783f075b56abcb47c75fbfcb9ad8631ebf348d168f5cdfe9. 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/DEWM22220684.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe529aa1a65a3931fb329af156bc16b2f7ed243e188890470b1c685f0619002e6. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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/DEWM22220685.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95076d0973caab2b92576273153abc280240b966d4804bfd9eefd9c754e83ca3. 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/DEWM22220686.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc669616f992296d943f993a6dc425758d82b8971388d92404f6c58a966dfb53. 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/DEWM22220687.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x029c9515c3297a248da5c9252847773eff7edd8f35416d44fe2346a3389fae66. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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/DEWM22220688.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xadcbddea8790faec4fa48265dc60bfa4e5054d2a966b0d8f817150483e5ddcaf. Chain 2 (Bitcoin): anchored in block 960170 (2026-07-29T23:52:38Z), 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/DEWM22220689.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b0794cf718658cd64fe7182efdbfa08f43d0c25e8b6bf94b01838ebc9e0bd66. 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/DEWM22220690.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f2eb168e1d023501e65204dcbc8b592fd40beb774b95371f79caea4a0aab0cf. Chain 2 (Bitcoin): anchored in block 960220 (2026-07-30T07:28:30Z), 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/DEWM22220691.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8fefdccf20e4c57fe4e801f615dc4c25f269ea3265172267ca27c24218f7003. 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/DEWM22220692.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb077a94d3fe8af46e930d7d86e3f4ac08bbac8bce9699446eb5cc8cecc05c1c. 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/DEWM22220693.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b47a6b3347bcb4303a3425d5050a90af8aa71bae4e99a7d040e01436ad58138. Chain 2 (Bitcoin): anchored in block 960254 (2026-07-30T12:06:10Z), 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/DEWM22220694.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15a6ec4db3b74d9e485e35bc1616a9bc7a840fe4a7d66991408a7bb9a09f0c84. 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/DEWM22220695.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f56799b7d07b710dd9dabde56b1cac7c7c5c71fedc8fa2000ac3a11a95e87a9. 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/DEWM22220696.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34bda4f6947f45dfb3fbb8fc1834bb0e00ae637f138e5bbf023d4ca3317ad331. Chain 2 (Bitcoin): anchored in block 960216 (2026-07-30T06:39:12Z), 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/DEWM22220697.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62d2523d4591d83449ac91f8d25bda4b6f74b4f122c2a2a7116f40843acc32a9. Chain 2 (Bitcoin): anchored in block 960163 (2026-07-29T23:20:38Z), 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/DEWM22220698.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8423baae1b47d39074aaecb0dbf2eb05ef76a14cf572db6c83936b8332d94962. 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/DEWM22220699.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x531aa299057c56ed183088b0778f995b8fc8ed04596913b7c27995def0a535c3. Chain 2 (Bitcoin): anchored in block 960254 (2026-07-30T12:06:10Z), 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/DEWM22220700.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe7cabfea57a6e773f4ba577d36f9fe588adda7fcc4dd3e647dbd20a8ef581da. 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/DEWM22220701.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5cc346350878ce955699f78f0da1b26b0e2d042030e86f7ca2fab9950f5050de. 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/DEWM22220702.