Nil often refers to the number zero. Nil or NIL may also refer to: Acronyms NIL (programming language), an implementation of the Lisp programming language Name, image and likeness, a set of rules
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 0x2094813df889deabbd478677b5b79301a29d27132a6c476c42810f2a8837d567. 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/075113f3-06d9-4162-af1b-9ca65887a1a0.json and https://artists.proofprofile.net/proofs/artist/075113f3-06d9-4162-af1b-9ca65887a1a0.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 0xd27c04b4f6b6c3fff2e711f785268ddd04f82ccd9e0fa3b19502a0588bfb4393. 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/GBCRS9510501.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a4ed90480c7507604e962ad1025f68ec3ccc42396ad932d4b989bf9172bfe84. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), 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/GBCRS9510502.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdcd37adf7d4a3eb27011c64a830b89272b6d12afd865b3813f0996f4a367e91f. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/GBCRS9510503.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4194d38645ac82d5503e6b7fcf29775829ae8a1ab89702fc2807d90da1b3f3cb. 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/GBCRS9510504.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b2e989cacb2496ca127f0f6bd62b2cebc5e923968484e5d26faad015b8aa6fd. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/GBCRS9510506.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x451d32fe1abf1917cf3000e22a2406ce6967a40ddb919f2c49ee8d18dec302d7. 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/GBCRS9510510.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a499ae570336fb94376b57ff14ab38b1f22631440173f725d1b5956197cc816. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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/GBCRS9510511.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b135693be4fd277dc629a23ec38b4b05695ebc5042af2039e87d43f61b61c83. 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/GBCRS0413301.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7a0d578220ff8a9a6e70b33f850a8eed0f1cbda4132d2600a272ec18b0128fc. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), 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/GBCRS0413302.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7794cae16a5282cf291efe955766c05052d81384f5eabcd3d2a3c41738c0ad3. Chain 2 (Bitcoin): anchored in block 960273 (2026-07-30T15:42:38Z), 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/GBCRS0413303.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd250171273ccfad10a00a8fe0696815dfed3564abe5c5ae08723b78d153d995e. Chain 2 (Bitcoin): anchored in block 960199 (2026-07-30T02:30:29Z), 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/GBCRS0413305.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x283fd7d57508f7d080b62878fcb4201dfb0e6e1318dc17a9f2b3ee5ab33e6ff6. 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/GBCRS0413309.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3760a27d127ad7666b889cab3d21f16855c8d5375964adb20680b70df0be1a3a. 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/GBCRS0413311.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x898ac8cc378aa8cf73f9f2c6885dca5e5653a6a75f60fc2bc991b2ad7f01f90e. Chain 2 (Bitcoin): anchored in block 960379 (2026-07-31T09:25:34Z), 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/GBCRS0413313.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51d23173cff5d3fc354835b525d691ffd7e3be9f7272da032d7ee9b69c6d03e0. 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/GBCRS0413402.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa818d2ea48f781925ae2c4251fa80dedbe1df874b276a92951391e343d6b49db. 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/GBCRS0413413.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45ff1014d28b67d72c05327df3a7ded2db4e869dac13188d92f581327272a5a4. 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/GBCRS0413603.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46564864de4ca78d95e8af84283d1836fbd051670a6aa50fec1dea7d9ef585d4. 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/GBCRS0413607.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x90c7865e0f59c659b1eae312e4299b0457e9dde4292ae2576729bdf5f7a83109. 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/GBCRS0413609.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40d5351007b4205aa58623738934663acf545ebb970d467a0440e1354e8cec42. 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/GBCRS0413612.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0465d0ec4fd73a021d71e85caa77694853b294d7e649d9e8769983e7ff22a332. 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/GBCRS0413617.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76a2ace691e5a7e4bc069d7d84ddd019f218be918c724003cc725b80d84c7265. 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/GBCRS0413621.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7563c5cd36c0ab409ec1a0d2faf9270bb8e62d8208f0a4450f76a0fd207bf4c1. 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/GBCRS0615205.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d1872b4347edc2ff6e0a14f8323635fe2dba0caab8d0cee3c8ca363d8be68d1. 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/GBCRS0615209.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x687ed03825a31b6640d250788a824327d158d3c6d5f36139325bb4d13504234e. 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/GBCRS0615210.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f738b4b2edaed470ecd5893587913b5c1302c9fd9dd30ebb47a4eb51bf3d6f1. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/GBCRS0614614.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf699f43a3df901cfe5927ea98a964d66eccab708f868a5807540339e88a1c36f. Chain 2 (Bitcoin): anchored in block 958447 (2026-07-17T19:47:19Z), 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/GBCRS0614809.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25e659cdcba9f8ed92ce06da69eaa64d3661b06ef3290523925bf11a2b291b7f. 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/GBCRS0715905.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x19fc7bc46b501d02e3d5251d5e794969677eb3ee38a6c2dbd4e8a1a680b9e40d. 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/GBCRS0715909.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9194821e7a75e36e6284b73bd5aba987b8084c022e7cfcaa06dc4d509ed6f391. 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/GBCRS0715915.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3e8b83f3b6b881a4c27be34e31d690064be6ec61ed90b09edd667e51ecaea36. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/GBCRS9510512.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7f923377098a252a4f5c1c35740391d033e47965a91bdfc4c9cc6645d359bc5. Chain 2 (Bitcoin): anchored in block 956637 (2026-07-04T10:56:23Z), 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/GBCRS1017807.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58e37352bd6e7f730d7d5c3d1817930a84c1e872c7f941b435f34f20062239fd. 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/GBCRS1019401.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb033355b38a93daced036030acb242f6419a790202ddc813ee1cfd0da243cd7c. 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/GBCRS1019402.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbea552fb7cc8850d95876b81425bf1dc806082e8b7a7aaba70d0cf28f7ad4957. 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/GBCRS1019403.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x596984915959d72937b52c14bfffe264c54f66d1fe55eaa56227b297d71e45dc. 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/GBCRS1019404.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcfe4e02d44756c2acec935679ee7611fc070a8e25711e96827b38524b661164b. 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/GBCRS1019405.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c702b17110df57ed263282cec520bdf92ff692922db60879cf6fb962d7df13d. 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/GBCRS1019406.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe027872530bbe2a361d6cfc97aea40fc9512c6964f34d7f1f44ffd2314de05f9. 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/GBCRS1019407.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc1948be63578a8ada938b32c73e88a64a971344b6c5530a759d76cbc17ee5c5. Chain 2 (Bitcoin): anchored in block 960111 (2026-07-29T13:21:01Z), 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/GBCRS1019408.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa22b87209685bf9c19898d07f673ce18b759905c53d0d05f1220ff89cdd4b5dd. 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/GBCRS1019409.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc26adc6eb27bdc383a5bdd50270d93412cea4d67179b17b422c33f6ae80e2418. 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/GBCRS1019410.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59dbf6b1afcb508412afc92f87cfc23fad47893919839bf17ea57b32ee47d2d3. 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/GBCRS1019411.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5223707a27aa067858002f4d830179f9f5038f69b279b3aa2ddbe448f11d7e05. 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/GBCRS1019412.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52e7a48ea40645cce6d86ec8c482e83944c19ed78071fed2751acbdc7386235b. 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/GBCRS1019413.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x936f62d371a4730c529903688b39e7df5c0b7f621d5fca7f1a05230277bc5b00. Chain 2 (Bitcoin): anchored in block 959144 (2026-07-22T15:38:35Z), 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/GBCRS1019414.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa3fb5746d8ab06d3148771b5329c693c32ab7388985a5728da9b72c87bc34d7. 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/GBCRS1019415.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7af4e5906ef6a8fe7cdd4de3fc4dc5721178fd89c44f59e671b07b583f42b7dd. 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/GBCRS1019416.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4693a14e39a18c41fbb835ef06778d70674a4402ee75f739e771b0e431d051a. 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/GBCRS1019417.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d9fe73ed855705cb3f1866ea744e631e28417a5bcd07b66f30a71cb74cb8e16. 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/GBCRS1019418.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9110dbabc31ed10a64fe5c66c43715f51632585806453f960f387c878fda69a. 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/GBCRS1019419.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0bab9399fd1c4ecb3e1e0e166ed972e09cc7a043c9f691a9d8fdea21e619426a. 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/GBCRS1019420.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5066cce7f38d9c3a6a48da2c53c663895b66776787a42ff9bd0193f488133838. 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/GBCRS1019421.
Military Music of The Home Counties Regiments
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b15e97a0102039874fcda295369bd33efc0b90c570776efe9ddd44f5262671a. Chain 2 (Bitcoin): anchored in block 958985 (2026-07-21T08:39:15Z), 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/GBCRS1220211.
The Band Of H.M. Royal Marines, Plymouth
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56e7440d885df8cbc8ba2ee4bad00ff1f5a92a1d2f0d169eb815557184e5f3b1. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), 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/GBCRS9410303.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69fd6c247a6591a4fd85ce192b98c05d3a3b669194d70f09a044a1b599af7606. 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/GBCRS9410307.