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 0x411b2bf59a14730fbcbf6fec20ac54dc5bd4d783e5e0864e2a70c49b06fdb62c. 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/3b6315cb-7597-4665-9828-2fbca1fe1b9f.json and https://artists.proofprofile.net/proofs/artist/3b6315cb-7597-4665-9828-2fbca1fe1b9f.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 0x31722bb533ccbe871ebceb2caef61450e28a70f36389f9a7386bef3b49cf53ac. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), 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/QZFZ72365792.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f5584203b898b499997763789aef14d420d515c699912af3894580b880820d1. 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/QZFZ72365794.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c449184112616fdf9c2c74b249f1e03c9a425981d61a69738b33ae641cb2681. Chain 2 (Bitcoin): anchored in block 956500 (2026-07-03T13:55:21Z), 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/QZFZ72365795.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72060381a237bf6ce5bd0cbf95dcf516658abb400727cb2cfd42d3e4897cdb58. 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/QZFZ72365796.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff269dd4a78b1294680e7ecf2fe6b198cea95731416ac90b6f48e7ae34bb3ca0. 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/QZK6J2345065.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5c7a3faf68122a21a697ad6cdab4092024248b2935f45e3b2d1492520128e75. Chain 2 (Bitcoin): anchored in block 958436 (2026-07-17T16:42:22Z), 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/QZTAU2351284.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18eb33e3930a28d62627eae59d8e6fedfd350f88bd19328a5e8b91d82b81195c. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/QZTAU2351285.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec366c5b9eba8bdf21227661a40348c63a7cd2fe3f0ccd3405cddea42b5ba080. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/QZTAU2351286.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcff25e0d88ae3859a70f0f831b9838fc4fb83cf0a4fdaa9832f7f070edc31752. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), 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/QZTAU2351287.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xacaba5e23175188b37c153cdc88c22eb064802874bbf28b36295e33537b286a5. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/QZTAU2351289.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48d952b9c7012f8820f65217e0af42000eee2cc09bb3e24e433f8d902ecede9a. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/QZTAU2351291.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf830322df77e38953c8e1cd368527b66e29f9faa5d0f1fda07c368421abb10b8. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/QZTAU2351292.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc16ca8166ea0f9aa94203a4d19dc03da08da865c134becb3ef259d29a906f1db. 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/QZTBE2398912.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a90c9c441ac1832bae6ab028858e98e7e6f2dcb29a95655cef1464283d3761d. Chain 2 (Bitcoin): anchored in block 958245 (2026-07-16T07:21:45Z), 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/QZHN62495150.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3004e7d4ea54db7f717919413877027ef74bdefc03e5d8f99ab9a527ae458b77. Chain 2 (Bitcoin): anchored in block 958384 (2026-07-17T10:53:02Z), 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/QZHN62495151.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77b95502527c1483a8e4c028babe449ee3a91d3095873d376291da79c2322103. Chain 2 (Bitcoin): anchored in block 958857 (2026-07-20T12:07:35Z), 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/QZHN62495152.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa740648c658bd96d13db0b97e22f32410172745fd46d669ddc77cb1fe519f539. Chain 2 (Bitcoin): anchored in block 958662 (2026-07-19T04:43:15Z), 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/QZHN62495153.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x802b3e113921083b8e148275b1c75ca20bbc0eb546a5ea3e3425ae9fc3e3e885. Chain 2 (Bitcoin): anchored in block 958749 (2026-07-19T18:00:41Z), 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/QZHN62495154.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70216ce6da56d1b4f15190d888425778391f04151d1041cf56b58f8afba9d2c5. 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/QZHN62495156.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa91dbc563d18626f406dbae12af69136e67ccdba6da0201e6132c357761e8430. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/QZK6M2469472.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc02a69aea2d10e3bb10a9d14ceac7de7a5f4c59b37007cb51e9d8b03f9527b89. 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/QZRP52419866.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe686112343fb88e9c04a60d3accb4455eb37b0f043de919f0fb9a4616d3e0591. 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/QZRP52419868.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda5de8a2ec24edd628f014ecca41d4fc8f4e0bd0cdf95d52e566ccf521bf9597. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/QZRP52419869.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9ab5f23b3bae26f8cde17c23410e21f0b9d5bb90a1518ff7ad9c7d3156e2158. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/QZRP52419870.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc35fd36ffcbbecbfd564638860054d2ca31ada8f7cf75f99160650d51b4a61b8. 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/QZRP52419871.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9322db9b978cfa7ae89a5b4e8c73b42d34c71876e00667b292790b46184a613. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/QZRP52419872.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ae8060a8372d55a4422c79c13dfd4cdde10ef122d102b8fa60e2e811f01b36f. 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/QZRP52419873.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb829dad05c76abda59f42dc2bca4329d9fb99e2841f1a43b7e93bdb3a89dbbbf. 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/QZRP52419874.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb87782452d54d1bdec62edf164d93eb4c1a4f917d3851428849c8f4320dbd1e5. 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/QZRP52419875.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x775f7cf4c9a251103f29cc38e9d35ce7c7ba5d9ba252eb8e1f750e95d6e39bfd. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/QZRP52419876.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x19ea598e84caac6a44f3368443a672a80f18a73e3d5fe18f618739c4f3345ed2. Chain 2 (Bitcoin): anchored in block 959114 (2026-07-22T08:41:42Z), 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/QZRP52419867.
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 0x68756d03c69cef83d0fd359f924bddc5bfd897b132cb7aaa81e5c14755b27f7b. Chain 2 (Bitcoin): anchored in block 957851 (2026-07-13T11:26:33Z), 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/QZTBD2477385.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0eadc13f59b7a5f441d5cbe69b72aef03203ec2b9fd14379475382d030081dbf. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), 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/QZZ762438169.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82fc98d70535edd54b1013015eee1ec65ca91019f42c3649e3806617e522f5ea. 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/QZZ762438170.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c37c0b15ba0efaed76aa08041a577d5149525476429ecfd45c44a624a885f2b. Chain 2 (Bitcoin): anchored in block 958543 (2026-07-18T11:58:44Z), 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/QZZ762438171.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x395837286c46411b6a1c4ff1f31bd6a37baa02de82420affb038186a91e7b177. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), 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/QZZ762438172.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa411350e63c54eed2bbae5b5c1271ed48567ea40d67d6f5755a674f470449b76. Chain 2 (Bitcoin): anchored in block 958913 (2026-07-20T19:34:31Z), 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/QZZ762438173.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea7ec4cedf163797461be154a4004cb987499c33b5b4dca81f2d96d6ce3d95f2. Chain 2 (Bitcoin): anchored in block 958571 (2026-07-18T15:39:25Z), 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/QZZ762438174.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c4d6185e20dafec5c317c7eb4417cb99a3bfe5b94d88d08f4414d5ab1ec1329. 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/QZZ762438175.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e22a86c244ef4a86704905f54f3e41b129bc5d00718d1f8bf92b324cc52a80a. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/QZMEQ2555775.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x12ed25edb1112c3922ea3b4e59c0501c1a0e4903619adccdb6a427d6aa7a99dc. Chain 2 (Bitcoin): anchored in block 957774 (2026-07-12T23:51:20Z), 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/QZTB72504323.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35e02eabb5fffe1873ac74bc22ad6cfee06c4e2c2994d1b15c19ebd177a6df6d. Chain 2 (Bitcoin): anchored in block 958110 (2026-07-15T06:57:12Z), 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/QZTB72504324.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71062f16cbf34da9ca48905d9fa1f5be7e30a03610db80cf0114bcb26dbbe90b. Chain 2 (Bitcoin): anchored in block 957779 (2026-07-13T00:19:08Z), 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/QZTB72504325.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32dfeccc12283c1c599d0912a798a5d658da937308cc988fc92c2186a04c0715. Chain 2 (Bitcoin): anchored in block 958286 (2026-07-16T12:43:37Z), 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/QZTB72504326.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d6f3c2780073ffdcd507673425f4f13db4221a5ad45bcfe3d7ff0b5093f4fca. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/QZTB72504327.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3cc561e542d5ca71bfc451a6a0978b9b4874e29166049bf8943c002dc0d39216. Chain 2 (Bitcoin): anchored in block 957785 (2026-07-13T01:55:31Z), 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/QZZ7V2511326.