thumb|1964 White Narciss camera thumb|Narciss with Industar-61 L/D 55 mm/2.8 lens thumb|Narciss with Industar-61 L/D 55 mm/2.8 lens left|thumb|Narciss and Rollei 35S thumb|Naciss 16 mm SLR negative th
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 0x6310d070109c058e406ce4ae12b8162903a1aa45fa0023dca636bd327740e466. 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/0a543e9f-05da-43be-8510-f8296f9a03a2.json and https://artists.proofprofile.net/proofs/artist/0a543e9f-05da-43be-8510-f8296f9a03a2.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 0x520846dc3bd91b878a6018f150ba993775a78a0f5bfc3830d6e4cb0205d9a618. Chain 2 (Bitcoin): anchored in block 958069 (2026-07-14T21:37:55Z), 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/UKN6K2000454.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8f9400cdf0f07c7818981ab00b602a92188c01c9a89f0ed11e1d404c3ca02e3. Chain 2 (Bitcoin): anchored in block 958166 (2026-07-15T17:37:20Z), 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/UKN6K2000566.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0f6a1aa4be91558f1556f15e78b1daf4820de7bbb3793b28fbe60ceb78fb518. Chain 2 (Bitcoin): anchored in block 958350 (2026-07-17T02:31:22Z), 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/UKN6K2000568.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50c6ba6cc164bd202a4f7b1ab811d5721623eadae5dc200869fb73db2dbe1879. Chain 2 (Bitcoin): anchored in block 956426 (2026-07-17T08:48:26Z), 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/UKN6K2002623.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8dc9f4b2b69e93f3d676a902d87115e8d20046bce3cda2a4e9e69d75f348f60. 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/UKN6K2002625.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf4861944ce2e2ecf57a95e6c9b58cbd6dbdf91adc9c2d0d23c143a5be25d6b3. 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/UKN6K2002622.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50c6ba6cc164bd202a4f7b1ab811d5721623eadae5dc200869fb73db2dbe1879. 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/UKN6K2002623.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00525868f7ea9a2069864acbf94ca0af4dde88d1bed5b513c8e1600b076ddfc3. 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/UKN6K2002624.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8dc9f4b2b69e93f3d676a902d87115e8d20046bce3cda2a4e9e69d75f348f60. 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/UKN6K2002625.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78fd0e20241f75f68653b5defc7be4ef05ceb55ab6d228ea8588758d3a84d126. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/UKN6K2200141.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96d0eb840cbfaaf60b57037958d879e20985551ab4c840e3e7c2e3a95cf0cad8. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/UKN6K2200142.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3cec990708d1aeeed91b5341ad26e474f042969847cd6ca0499a987bad7eceb7. Chain 2 (Bitcoin): anchored in block 958170 (2026-07-15T17:39:10Z), 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/UKN6K2201418.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78bb883e152fed49368c3ab0b14c8d1a386ee57b32d3638c00b5a628d5313ac2. Chain 2 (Bitcoin): anchored in block 958083 (2026-07-15T01:50:31Z), 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/UKN6K2201419.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08f6abec6161dea58eeac71b209c4cf5a2582ecc3cfce8d52fc47a0ff3d7e21e. Chain 2 (Bitcoin): anchored in block 956397 (2026-07-02T21:02:00Z), 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/UKN6K2202306.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30b547f2a1842e5bafcbb4ea5b59d664bd2ec5b63bd3767753a3c1cc1850856a. Chain 2 (Bitcoin): anchored in block 958716 (2026-07-19T10:15:55Z), 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/UKN6K2202307.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x196c8a5037f1223f429653cb730816d4ef43ee58043517255e246d8592344197. Chain 2 (Bitcoin): anchored in block 958585 (2026-07-18T17:05:16Z), 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/UKN6K2202309.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23c7f9ec5a17120ffb93351eec7f1d983e38f8a59c4478dff299bf566054f6c1. Chain 2 (Bitcoin): anchored in block 956397 (2026-07-17T02:30:20Z), 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/UKN6K2202308.
What's Poppin - Narciss' Champagne Poppin Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6e7a79e6f87d3ccacf87a113809cc03b7384241d0b43fa0f429281f7b86ca7d. 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/NLCK42210354.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87bde1f3a7211dc2eb9d537bcca2fc98a6eb5735bd8ea5c96094b56b30e11def. Chain 2 (Bitcoin): anchored in block 957043 (2026-07-07T13:52:39Z), 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/DEVY92400017.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdcf56ac09f773766a6d6d9cf621cc2ddbb23e9090bb424f5efee14b6ae7b365b. 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/DEVY92400043.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x607c8c423b19116f9b11cf1b7faee1bdd64a58e9e3ab77f9ff1e82f19b76daec. 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/QMFMF2352990.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdcf56ac09f773766a6d6d9cf621cc2ddbb23e9090bb424f5efee14b6ae7b365b. 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/DEVY92400043.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87bde1f3a7211dc2eb9d537bcca2fc98a6eb5735bd8ea5c96094b56b30e11def. 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/DEVY92400017.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3fbf0292806537fc62753ab5f9d31176f52b2e02f461d1431a63ca5b46d3cd3b. 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/GBUM72308067.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x565ad1283bf802e1f17bde05064a5178e04c2005e1b6345f81e2abfdc800e1a3. 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/DEU672300500.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x565ad1283bf802e1f17bde05064a5178e04c2005e1b6345f81e2abfdc800e1a3. 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/DEU672300500.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e6734a85031687663373c3c207f4086c057d10edd1795fed1e5328dc201ab5b. 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/DEKF22400569.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2db192db9986c5d748b6f9fc9469092358df70804feb31d247f3df3433c305cd. 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/DEKF22400570.
Sorry I Can't - Narciss' Call U Bak L8r Remix
Sorry I Can't (Narciss' Call U Bak L8r Remix)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3a6b1c87dafe60ab1f06ca8afd76e8e5178085c1f24da5ce0dd05d2267a746c. 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/DEU672101665.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3fbf0292806537fc62753ab5f9d31176f52b2e02f461d1431a63ca5b46d3cd3b. 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/GBUM72308067.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xacac884ec5d25309299ec427963cb834d1e89a156b2d37847379812c72f29677. 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/GBUM72308027.