Berlin is the capital of Germany, as well as its largest city by both area and population. With 3.7 million inhabitants, it has the highest population within its city limits of any city in the Europea
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 0x9660afb5d907844f9a246b293ada434b1d83aba110553f0d5ca9f0fb8dcce19a. 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/f5544dcd-70f3-44ba-b91e-40c9a2b04fd1.json and https://artists.proofprofile.net/proofs/artist/f5544dcd-70f3-44ba-b91e-40c9a2b04fd1.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 0xe3dd552d7a4af050caefd97866782265cbfa6761f683d83d2bf7076cff73d551. Chain 2 (Bitcoin): anchored in block 957819 (2026-07-13T07:53:33Z), 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/GBHCD1728759.
Take My Breath Away - Orchestral Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c26629449ac5f0702bf64ccd3a490a218a811bd7ebf432f375fd71ffc835926. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/GBHCD1728762.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x061c0832591af6b5d70b05434e2e39ce43f13de92b9263a49c8882085377a947. Chain 2 (Bitcoin): anchored in block 959159 (2026-07-22T20:09:11Z), 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/GBHCD1728764.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x19dc5a1cb5ebc27c99265474d80222d2316293448bd1f752ebeee3f65434981d. Chain 2 (Bitcoin): anchored in block 959145 (2026-07-22T15:39:05Z), 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/GBHCD1728767.
Will I Ever Understand You - Orchestral Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc37ff2ca3286674a880f8265ff692807ca5504ee675e6511f801cbc10a44f191. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/GBHCD1728768.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1bd6f57ff199e205f955e2f61abc29ebfdbce50689d1a889f1c25e5888df0ae. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/GBHCD1728770.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1083e44096f6429b5ebeeb653c064e0f87b4ea8fab878166efa654b7cbddab5e. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-17T00:20:20Z), 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/QM6XS1900826.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbcfce353a471b123d7a835ab50d0ba3c5be63f543dd743bc28130ac9c542e91e. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/QM6XS1900828.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26ee547aed3ca1dd4150dce0652fa0cebd1ae078a7d8006149ede915f594a3a8. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/QM6XS1900830.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa44e2c95cb7561b7a194bcfbe40c4d5695fad09987672e919ed439a27a30e35f. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/QM6XS1900832.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f39c5095851a757ffdd49422a80dfd09be2e741a32e9b0fbbcd93cccfb1146b. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/QM6XS1900834.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58e8674f0672a5de729dc3d83393fa5afdc1abce462fca875397140809379c06. Chain 2 (Bitcoin): anchored in block 959152 (2026-07-22T18:51:51Z), 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/QM6XS1900835.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb611c85e78986def97c1356320c123788eafe968c5b80c82cc8dcd77c8221789. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/USTB30000043.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1f0a70644289b53aec60adb67568f4bb0f35ced0cfb81120467884a17087545. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/USTB30000050.
Take My Breath Away - Orchestral Extended Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2925b0186a24f480a206a717c788810543e8c9d36f1e0217ff3edda418787591. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/GBHCD2100968.
Take My Breath Away - Kim & Buran 70th Mix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16967a34c25716969ab1be8b50756cf54543f1c99f25e2ded14fd49f16e4a64c. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/GBHCD2100969.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05897f097abc8dfc2b89d34da5f20325fb239233d5d0ecd925599055abd74f6f. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/GBHCD2100970.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd82345dc1e5811145ff21fb16c1814856cfc43229866a14b3bc9838eb0f9fd6d. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/GBHCD2100971.
Take My Breath Away - Orchestral Extended Instrumental Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x484a1b7a6a92328bd44b3a8fb5723c102a494db8049ae45a052500d008ed4f2f. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/GBHCD2100975.
Take My Breath Away - Main Instrumental Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93d002fbb7693f6fd98021a70d4be7fc2197b06617eb4c9d2e9cfcebf0715d05. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/GBHCD2100976.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd283733328dc023646bc5db0ba2ec27eaadbba0d2579e29a05f9488994d3e75f. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/GBHCD1729352.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f42bf665931e0731beedc6bef0f3d927bab71d315f6197d2f9ce926611ff8e7. 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/GBHCD2100546.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57066f61aa976a13341d9bc6bc6f445a967f9c9a32e33ff12e719182e695a887. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/QM6XS1900587.
Animal (Extended Remix) [Spotify Exclusive Version]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6788424f032c5c1f0c01d218306c89369ccfc747ac1a860dccd500502b050cc7. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/USA2P1315233.
Take My Breath Away (as heard in Top Gun) (Re-Recorded / Remastered)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb669cd87a8c667f1f9e912deacca6ba7ec2137b2ba91e2263f1ad6aa5ecbbc2. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/USA370931876.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47343845ade69a953dab3e2f762ec4bccdc14f586cfe6c218dce50128f77b7cc. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/QM6P41913769.
'80s & '90s Love - Power Ballads, Slow Jams & Love Songs
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11686c550d9f8e70778f7a14b5442767d7b80944ba1e8228d55a006b5f2bf3b5. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/USA371121856.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d8b23d9fa86952961f4b5a92775e4f76997c5638706fde07dd40a3c42cc3d6c. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/USA371121859.