Josef may refer to Josef (given name) Josef (surname) Josef (film), a 2011 Croatian war film Musik Josef, a Japanese manufacturer of musical instruments
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 0xce448aeb72893bc886344a1809613f811295270f5ab5ae56f884cf807ba42459. 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/60837ad1-ac9c-4041-9e2a-c624948965c3.json and https://artists.proofprofile.net/proofs/artist/60837ad1-ac9c-4041-9e2a-c624948965c3.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Er Det For Sent? (feat. TopGunn) - Remix
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 0xb2408999213c2655bb16f7e0e25e741cfda2b2a24deb0a34b608da5dcbcf5d55. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/DKUM72200207.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6367b34ea9e6aefe83a73b2fac1a4847bf375caa5572738e1d57e26203a744ba. 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/DKUM72200063.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8fd04b3d10b7ba66928aeb9c3c73cd70321bc9b3e61b3d9f81cc94389d8d8e3e. 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/DKUM72300653.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7749f4446aabe24db84309a3a7b408bee42551dfefb58cd0130519bb046c326. 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/DKUM72400148.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2724a8ae6b1dc2354ba21f4e16c7eb4f87ac783c0907aa6bb52779253fda180. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/DKUM72300591.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a459618fd8589e8f9ddd9d9cbc300f93f90d64ef9d53468fa612c88f187bc61. 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/DKUM72300461.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb2ac59081236d40bd517d91c524971b5d0b3ae2861e086c8c8ac655a21e1724. 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/DKUM72200446.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6367b34ea9e6aefe83a73b2fac1a4847bf375caa5572738e1d57e26203a744ba. 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/DKUM72200063.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c28b1f579233ab25b1a8770494800ae9f288012534adb8f0912dc8ae07b5305. 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/DKUM72100396.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf5b4f18ce3f2ebce8dafc90bfbcf2ae500c172b02aa188042d52dca04284f13. 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/DKUM72400295.
SOMMER 2022 - Sommerhits til fest og hygge
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e60510890bf35dd15e45083d83dd7bfa09fc08bf41dcd729c54ae5e13b8e227. 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/DKUM72200011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7e74f9f5c510b5fba9a2002e0085e0bf1fb4d1efca0146aa404ae6ec622a690. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/DKUM72000193.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf01d18a8947f627937633903b27c9e3c1590962b994a165c2f3bed3060c600d3. 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/DKUM72200029.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f120872b491b807c9d2ad66aa1553e5c1754e6962a393e70e46278d503cea3e. 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/DKUM72200206.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b36de341e888ef12865bb95f41db6e247192d30122c8cd1a2f17371ccb463eb. Chain 2 (Bitcoin): anchored in block 960459 (2026-07-31T20:22:46Z), 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/DKUM71900015.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe94d216fc31d951f9970a95b50728ffcd7406fbe1444c39e170a1f8717e908bb. 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/DKBV71101201.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a2354fab3f2830041a6e9fc3030db7f02120a1cdcb5b416461a921c93973c0f. 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/DKUM72200097.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1dba9a8df3fa14145bbcbae40cfa58176d48bd7f283daf86a2b73b970b10f066. 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/DKUM72100091.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b9a96225286b895240f2c66b708afcd2c23d3c126f603fbdfee2396a7aba96f. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/DKUM72200137.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5c4c3548ae438346c14be23ebe7faa8b42a9deeec42ebebf12e9727c8d8052f. 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/DKUM72100384.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76ca631496334cef0d251ed9a40667d4d7101fa13ebbaa2e68482bb94f085809. 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/DKGL52200601.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8f50200e9be2ae821d3e0c4405abce4c1816caf7eb0c65f1a7921972bffc17a. 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/DKUM72100701.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5faf175a6a6b8a5a6ba3783b30406972c48453dd59fef4d04421108adb1f6e7d. 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/DKUM72100155.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ca6ee7a21dc273a03ad5344c8c6b3d112dad28c019f359c3e8f7254955a7176. 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/DKUM72400484.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48e89b63c5666c642beb62da21bfc84cc895003248e9b10450a908d45a213a77. 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/DKUM72400485.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec6066fb64d58cf94ce84ecaf960f9cffe7d280c6201f3d41dcfe5c0bc5c9d09. 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/DKUM72400472.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe32054c6ba302d8da989262ddede4b93ab8f7c9d928a9cbdadfbdb4cb263f03e. 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/DKUM72400486.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5237280f0af7fdffbe22416f926a965bb19b3ed525ec677d4587f1d72e4c20e. 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/DKUM72400487.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb6493f1fec156fe32f5e26608241bd10e060541184a87537231304950fbaf1b5. 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/DKUM72400488.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4bc2e38c6bd7bf4b7e234bbfd67eaeec4e3492e790f4c42c8a57e1eaba1d80b7. 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/DKUM72400489.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec6066fb64d58cf94ce84ecaf960f9cffe7d280c6201f3d41dcfe5c0bc5c9d09. 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/DKUM72400472.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa97436ef4920749b7c0bd514527200b855f40de27d52651840f279e72228182. 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/DKUM72500208.