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 0xe0998d3bb9a296648420a36bb16898ebe19231a42519e51aec11b7fa7ec38824. 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/c71153c0-543d-4215-8e1d-1ebffc0d253b.json and https://artists.proofprofile.net/proofs/artist/c71153c0-543d-4215-8e1d-1ebffc0d253b.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 0x319864e2643baa01337579a7ee8875e971b6e46721f2b53e443c74899713adfe. Chain 2 (Bitcoin): anchored in block 958208 (2026-07-15T22:40:25Z), 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/USCGH2031197.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8657ef1c58572f922205dec36d8b6603db72c2ea13c5c2aa55b52d55ebd0516. Chain 2 (Bitcoin): anchored in block 958639 (2026-07-19T01:18:30Z), 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/QZHNC2115322.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b41d02fa3078bfdf098d90e46c2466a297b28a7080d135b140e2e03025e48cf. Chain 2 (Bitcoin): anchored in block 958742 (2026-07-19T14:09:34Z), 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/QZHNC2115323.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f2db06f85856a2392be6678786a45e97c292b96a9a02c3547777e8121fe8ba5. Chain 2 (Bitcoin): anchored in block 958137 (2026-07-15T09:47:57Z), 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/QZHNC2115325.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x955f4c0c336f52e403964771ca188a81a105ab850c3880e19f49638894a6e753. Chain 2 (Bitcoin): anchored in block 958152 (2026-07-15T12:00:27Z), 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/GX3Q92064339.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x867e121b4fd1467196ba8e51e20a78cac27885c4c69e81282c93617d16036a43. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/QZFZ22215284.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5a434021b67d058ee9e7601a00a5c69f459ff7a8f2eea2f5d11a31763b3851b. Chain 2 (Bitcoin): anchored in block 959355 (2026-07-24T03:24:16Z), 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/QZHN92289409.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed1d45ff544b78c925ecb4a13e8e8f7cda5109f318cabd6490f7c76f65dabf0b. Chain 2 (Bitcoin): anchored in block 958388 (2026-07-17T09:14:21Z), 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/QZMEN2206593.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb68ebd912a0c933803881883b754e2d82aac09d2c38a1ee531f4f68bd867c2c8. Chain 2 (Bitcoin): anchored in block 958140 (2026-07-15T10:05:23Z), 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/QZMEN2206594.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5afde07237054287f02d2b4ecdac966dd5e0d4701213d6c266c4ad50ed6ac8d9. Chain 2 (Bitcoin): anchored in block 958579 (2026-07-18T16:26:17Z), 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/QZMEN2206595.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71b78d3ffda5501b851a70a227ac0a0ebf17d5e5ed95f339f8d261416add210a. Chain 2 (Bitcoin): anchored in block 956482 (2026-07-03T10:33:57Z), 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/QZMEN2206599.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbaad48f0bc41fc124f396560c5a6548924421c6000569cee68561ec16f0647c9. Chain 2 (Bitcoin): anchored in block 957888 (2026-07-13T17:43:59Z), 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/QZMEN2206600.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce5576a5b4f8ee1cef812675d24e523d435a69369c7cdff572b191fa7c96e611. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T17:49:48Z), 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/QZMEN2206601.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfdefbd6dce0cb35bbc5fa1da397a24313a5066173b2e07bfab2c64acff87d63d. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/QZMEN2206602.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96c4a35c5441963922a43ef3a1aa1cb8c5a6fbaba736853418586725b9ce635e. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), 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/QZMEN2206603.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f2dfd43d4f8900a9d376d82fb8e2e6212f8eb59efce7de8e9d49cdc2692e6cb. Chain 2 (Bitcoin): anchored in block 958880 (2026-07-20T12:33:53Z), 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/QZMEN2206604.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x433e7090930b646a7d52434b5367fe2f10848d948de1aace763909f2cbf76475. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/QZMEN2206605.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32638fe285ddf1f41783c2fb31629151021e6314376e9dd71da83c7b4bb34ee5. 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/QZMEN2206606.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3725fbfe9a8aab4326865086e73ce0271ec87322ccfc327fa2606616803cb19. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/QZHN72329781.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd094b0cbf5d0050a36901dae33835afe73423aaec7ca332da48fc53db9440d9c. 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/QZWFR2326994.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb6fe8078741b55a0c3316145bbf6ff80942a5ce52aaa28e194b5e2eac92023eb. 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/QZWFR2326995.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75d5be64b4268e8be89fa71b78cfab6c5d45b42b1d449f59670deb100b0bedb3. 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/QZWFR2326996.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8bffc19f119a8a0ae9f11a0d5f2cafba03432e989c4032dd8e3268f463c2f87. 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/QZWFR2326997.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x939ae73847971b40ca1c590b68303a81a5febae10d213ae2359846be8aa5e421. 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/QZWFR2326998.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80ec13446a94f778d861ca9090185449e5ad2e2039a7ea1c1feda4ea73181261. 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/QZWFR2326999.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c118a8ab59cb518e3a6a3691b6c91f1ded2f225d42c544dad0f3f6e677e19da. 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/QZWFR2327000.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8876a00a8792176add95c672d6f4b95142cfd079e0183ee6f067236d7063891d. 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/QZWFR2327001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c0b2491d66013bb3d6bdee64b418cd52c34e82d62da5ad14b30a31b589daa42. 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/QZWFR2327002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7821ddc5dca115dd889189390e5763af6f3d453464347e4311be72cd45d9540. 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/QZWFR2327003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8895b9fde484e673285d34366594cdb6acd22d3c09cc1daff5f3a6065d3ae90. 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/QZWFR2327004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x032d0e7dbf3cb2ef136d1354491111fcefe923d4fac6de66aa78b9bfcc911dcc. 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/QZWFR2327005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c223431e765023fa924df287c809de522f308e39d84abb6f7943a08149ded8e. 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/QZWFR2327006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf59ca7473d6420bb611e6bebe53e9ca2d02466c578547720b927b420a3507e8. 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/QZWFR2327007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f53909d68658ebc3cf22e459bfdd4724e5ac87cc39f3ae7924b76c2acba7404. 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/QZWFR2327008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b805b3a01acfa75d2171d49f223ccbb11c8acf8ce92e67fa99bae6bf31535d6. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/QZK6P2416099.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8334d343a2f7cef4a592f542cbcd7d283c82592a780d502a39bacd1aef2d09fc. Chain 2 (Bitcoin): anchored in block 958667 (2026-07-19T05:04:54Z), 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/QZK6H2410863.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x17c74fb1abe31c22a3981312c4e345939c1cb54bb05a88c330282f0d6c920f15. Chain 2 (Bitcoin): anchored in block 959089 (2026-07-22T02:17:57Z), 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/QZTAU2436258.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc88c6d289650382596f6f593ae0d6600d86029fd76210594c06b3c7e1a8d6a6c. Chain 2 (Bitcoin): anchored in block 958152 (2026-07-15T12:00:27Z), 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/QZZ792456199.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x608352c0acb38ada53a8a56e68261cdf90943e72e1035d0c480892fd718340ed. Chain 2 (Bitcoin): anchored in block 958905 (2026-07-20T16:14:34Z), 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/QZZ792456200.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x852422a8c3dbd1d8e4f1cf66e6ef60c626516142e059f123fa1b418b6bfe831a. Chain 2 (Bitcoin): anchored in block 959034 (2026-07-21T16:34:25Z), 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/QZZ792456202.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x471ec1d39744cdc0b18d4017cdfddbd1a7c2b08234b5ef887bbc353cc1ea62db. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), 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/QT3FE2576818.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7047f3725d4e7dc6dda66a4fb0876c87b32883f976c233c721a7f45ad4d14c2f. Chain 2 (Bitcoin): anchored in block 960362 (2026-07-31T06:58:00Z), 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/USL4R2120126.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50b1c918b652be754b3014d34f0626904d675453dd1637bca24d75749622d4f6. 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/USL4R2120127.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85e6a9e16ab8d235aa8343b40f8f714fb422bd9f469bc11696c217c7235561f0. 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/USL4R2120133.