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 0x7c072e4b275d503fa06f31c1c198658d356e589dfd07643ccca27888d8f523bd. Chain 2 (Bitcoin): anchored in block 953687 (2026-06-14T20:19:15Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/68eec818-d390-4641-b6f8-fe73133f1242.json and https://artists.proofprofile.net/proofs/artist/68eec818-d390-4641-b6f8-fe73133f1242.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Voices Only 2012 College A Cappella, Volume Two
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 0x83b5e519204e74e7a9ae9f3f6c94e290c671301ec175a85892f3d7811d05d749. 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/TCABI1211680.
Voices Only 2011 College A Cappella (Volume 2)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x29be6357bd3b03ebc88105464a9acd8cb98f759cfda9e695418c39b522e5f59a. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAAZ1146851.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbbac2b58c6d8aaadb49e3220407fd623306bb189b131c6c0841c33f57b33f22c. 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/TCAAZ1146937.
University of Rochester Midnight Ramblers
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ad11b7ee3b0b9a9f98c6a55188df33e189fe141233d0be6506fc8f827da9cb8. 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/USE830900643.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x593af5ace58cf40e0eae9cbb32844b7a5bcba3417f0c02c75ae50cd41298d84d. 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/USE830900644.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb267f939bd1abbd25e3adf91bf5975895cdb1a12211c65c01ea936013d24caab. 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/USE830900648.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0c7417b00909e03c056b78fc9e5d175a71d7f009828a2242c61ad4e44edcc45. 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/USE830900654.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc269329891bf56ba0038752341a95f941409fd8c6de149295a5b64656ea040f2. 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/USE830900717.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc04aee0ed713d6ccca5eb66ea20e69665850838e16fa63ca61b74464a931133d. 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/USE830900720.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeeaf0c27d68eaf32a7c84cab6411ea81722442f1daa600b73398f6aa3031514c. 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/USE830900728.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc4dfc1f29c47c88ce2ea39b02a5ad48ecda7707d34dd1edfc74005b39e747c9. 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/USE830919894.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcef6d490aa3c60de3f97c4613690eef59fd3310712e78c8c7b865fea3ca44e68. 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/USE830919895.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39c4e9c806f1ff6e1d02ab076dc9ae230273b8c08913a7172977294af7c9d3ab. 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/USE830919901.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30eb7beea23d79ac43582fbc2fd0510787a0836ccaa21e6305fccc642a6c26da. 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/USE830919903.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7ad93d28a66972867fb78b28b5c5de95b7242ffad0277e8cbf315c953e11b17. 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/USE830919906.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8eb70910cd5afa58f240681d44f57831ba08a2ea0822883df0a9c1e763c32135. 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/USE830900678.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x515cf3665deb2f0902d1d55abcad15fb5085674f5973fea9b6e88918fe23ef09. 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/USE830900679.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1728e006c42ee53689c82800b17824a3302749d6233f2b96415032b22763ac0e. 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/USE830900681.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ccac906ad3a157fba01e844742a8f6c4beb73251bcbbe455ebbb62cfc1ea2f2. 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/USE830900687.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf1481f1e035911b75df18e6e1c683eee3ca5cbd3f1899ac3957f2c1a7c2bdd1. 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/USE830900691.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc39a29d2284cffdacad66f64e0c8b4c550318147df07cde3d4ae1ff58764d8bb. 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/USE830921352.
Divisi (Central Connecticut State University)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96e20eb1fc38a9ac4f97d463c5e9bd72f07824a55aa52a68572d27193197a7e8. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/USE831526095.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x016fc5cb5f3d1c38323a0744d638eabe4c6514850ce6ab7dc49a8a53775d6f5d. 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/USE831526090.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9dd0c73712b24d1e5710e84d409607dc065e0cfdacd495bed6252f7d2135702. 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/USE831526104.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad9a39e25a779eb8c25effd7561687afa02bf60b1430dba45b9b9014a946895a. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ22B1993561.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe844924d582e13e209906e93836afb5cf02ceaf6d3c6af08225613193ec865d. 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/QZPJ32286903.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e727966e42fc92c02f72d5f0bb140805e32d958c3f3d2624d5ac65dd85c8079. 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/QZPJ32286900.
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 0xb15f3d7f1032dab44aa5eaa4ca42c8601eee19f5467dc331c412f0c70e42b904. 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/QZPJ32286902.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbfe9051478bc2e2fc49e5db8ddf1f19b081944475e8ee006f49ed75b83fbf338. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/QZPJ32286904.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75293014f2b778ec687781c77113d5608e312b970288c7dd27c39aee67dfe711. Chain 2 (Bitcoin): anchored in block 960500 (2026-08-01T03:13:03Z), 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/QZPJ32286906.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51baa9fcae3c0a49bb2b98574d73062faf0651a6b0b435ec66757d73c14cfc20. Chain 2 (Bitcoin): anchored in block 960354 (2026-07-31T05:48:18Z), 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/QZPJ32286908.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x17e813d022bdd1f915f714c84326d1c7df3e77fcad71defda729af5d7c70922f. 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/USDY41705107.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6548f6a95059c35ce8abae59df4edde8275901ed8573acdf9e290dd6768e150b. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY41705113.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0799e5d511331bb8d31fce48891c41137c47069325c926503c66b13e06c2b39. 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/USDY41705104.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6513e1de6f97d51e16c145f84fc1ad557b3d5577b5c914fe1f2f8d02e7e020bc. Chain 2 (Bitcoin): anchored in block 960298 (2026-07-30T19:26:00Z), 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/USDY41705111.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdef49fad069b159a51a815a17dfe180722a9eda5b09b3288d4cb621eaa5e1af2. 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/USHM81546854.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b12d9e1d1a913b832d61b7b9c22b14727964cd30a22ba7546ee3651eb795e08. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/USHM81546860.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa22c72353f8b77f3b9a6e85ccbf07f03e3a2dcfe7b73e9b9930accf578fb68f3. Chain 2 (Bitcoin): anchored in block 960494 (2026-08-01T01:44:32Z), 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/USHM81546859.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0fcc2a8c92c6eb630480ea542d667cb722809b4a17cb8e07ca88b6a341633145. 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/USCGJ1430874.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5adbd64a556a83aebe12c802090bf6f3eef1047d5c6cb7fd60e5b5dc300ec89. 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/USCGJ1430878.
My Songs Know What You Did InThe Dark (Light' Em Up)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e3038654c3cf916f24e3d5d43a97647f43f13bfb428edd1739a947efa12efe9. 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/USCGJ1430881.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0db02b3d7839976d07343274c7ddef7e5c98b9bf2a80512c9fcdf3aec18d4e4. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), 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/USCGJ1430877.
My Songs Know What You Did in the Dark (Light 'em Up)
Voices Only 2013 College A Cappella, Vol. 1
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55b549deff03c46645ec04d2378b3acec5b7da72e82d5725b70ae24c7ae20fb0. 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/TCABP1338478.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc4aaf69d2181af27c5e856d401ffc23ca8390334cd1559ece15da5178a94c14. 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/TCABP1338520.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18e6e7e42513c47b92dc2c742ce15cadb6a27497ef7b567e47446b3c11049584. 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/TCABP1338523.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd92cac69d0e180008981ae7d444b929d0893b43906491625763826f41c3c3386. 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/TCABP1338524.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x539d386626adf02daf3b871b15be20b4022d9a3e848891a6cc488bac7526eb90. 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/TCABP1338535.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b984d1b0e30ff8041773a047a638c5e25c6f9396b693df9fc538d9467449127. 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/TCABP1338557.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca715561fe46d2493529c7dfe9854efe50e255e74cd071c671370c2ec56a20e5. 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/TCABP1338569.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1edcabaa8d49c2b0bb235b0c3c7086bb39dbb6556f331f438375163559ef8e2f. Chain 2 (Bitcoin): anchored in block 960404 (2026-07-31T13:06:57Z), 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/TCABP1338516.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73e07f84ec7617e61c08f143db7b6be914f8345104a235324feec3e77fc6f144. 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/QZPJ32331454.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2dfcfa5d213cb228b9cc6252b34046c64ca155a3dd2978765a7d26657359f219. 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/QZPJ32331456.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6884096c4a457cdf017d748c7d73dd7b438511d3c07a11e0cb30b73fd1f86e0b. 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/QZPJ32331461.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa414a5317b1651357a6a3f7f676b53b80ea15e1b64caeb1d1eb8ffefd1bf78b. 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/QZPJ32331469.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e9b91b29b42bbda9805c8658659296d8c26cd0b31685718f34b0270e63c578b. 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/TCABD1257452.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6423003d7c8ca6e28bd3c184fa67c532edb43ec45208b4990c467fc6b63ea6be. 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/QZPJ32163779.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5faf716c5b6bc3d32b543e0d37dda441f174bace4402ce1e104eaab224d7bd1c. 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/QZPJ32163781.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e077ea25145f68810a0a248950b790c9ef3c0caf7c302b775fc7ff411774e35. 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/QZPJ32163783.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc27faa26a9c06068a9fccecd039f3cf4fcccf593bfad763e1824c12d8fe7c91. Chain 2 (Bitcoin): anchored in block 957246 (2026-07-09T01:49:50Z), 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/QZPJ32163785.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x223e0ffb07a53958b49930c20904a67d07ba3b66d2f18cd2b86f7f91e9dd8de6. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZPJ32163789.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38e6e8f96a6aae8a8fadf9d904e37e7880a240d9ab53e094efa0d6c7b3cb843b. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZPJ32163798.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4bb4578a15b01453391ddf8531df4e5e7786560d314ad2a14b7237b178ed6032. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/TCACH1582018.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x574056e8bbbcc8cc11a607b9be5fa360304819e313dc503209a65ec8ba629ef8. 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/TCACH1582028.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa204db2f3c5023c82ae5148a198b8b30d2a633d00ece300aabefea80475c14c3. 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/USE830921608.
Voices Only 2017, Vol. 2 (College & High School a Cappella)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b6649f6e94c3112e84f26932aeabd73e3e994755c5ea92bb1bafe28b0d389cb. 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/TCADN1824030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe5b15765817f59e3c9d750b46d8be99b085945a1d3a46435aa4adb222ba51c6. Chain 2 (Bitcoin): anchored in block 960456 (2026-07-31T19:53:57Z), 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/TCADN1824046.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d301921ab800032a1506adfd690c4b75cdc7c2af179d518327c95ad072f3b19. 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/USAPB0810041.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x949af0299fcd3d6b4d2a69ee40537678909596d2938c2eee69b534d862b05708. 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/USAPB0810042.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09333fe15399f334edf69feeab7f753016f3c08f37e7633d98c2fcc549c53e81. 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/USAPB0810045.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x593f1b9661ddda3d53d353eb80ef53c4c67c463ffb20cf3b87d5b92c266df704. 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/USAPB0810046.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71b3de3b5f10b4377623460932371073f33e5dee15f5f53dbed96313bda91cfb. 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/USAPB0810047.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4be9b1f78a9c86a620e48f6d3f111fd0759e2e900af6860c4a71ea20626effe6. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/USAPB0810049.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x84c0005ec71f60b730d3d20e1a5f0c2458f27459550d96aafedab67bb9a386a7. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/USAPB0810040.