Human nature comprises the fundamental dispositions and characteristics—including ways of thinking, feeling, and acting—that humans are said to have naturally. The term is often used to denote the ess
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 0x26ab43caefa2fd4dd86d849c6cec5fbf4f60bf22476a00551a24a76c1c464582. 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/a37e2b47-c12e-45b1-bb4b-d139b6b3b1cc.json and https://artists.proofprofile.net/proofs/artist/a37e2b47-c12e-45b1-bb4b-d139b6b3b1cc.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 0xc758193bb55a3c1503cddcdf588b665fcc1d443bcb9878d95c332e6d94a0d438. 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/TWA479831027.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x232ab05bbf5809ceba34f0c8ca60a519c5fc1b6ebd30de0c2c60fe599a744192. 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/AUBM09731001.
Who's Lovin' You (with Human Nature) - Live At The Regent
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d2fba45001a4112feada6d693d894607dd85c904fb0e156b54f45ca04cab5c0. 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/AUBM09944513.
Every Time You Cry (with Human Nature) - Live at the Regent
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x27a73e074ff00a8448c71cb4bafcb52993acc417bb4e6b27fa11b5ece95311df. 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/AUBM09944514.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x232ab05bbf5809ceba34f0c8ca60a519c5fc1b6ebd30de0c2c60fe599a744192. 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/AUBM09731001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76c1769da32ae95e7307e4f916c7033dfda9af1373ccbb6158db0da242c2b21b. 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/AUSM09900004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8752e997c031efbb68570929faaf53fe88d1c23343912729bd19ad526b3d2a2. 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/AUSM09800097.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x560bc9c96f978aa29bd7a58e62a4a2a7ecdfa5850a2cf4f8d1950871ed5487b0. 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/AUSM09900164.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1a001a06761eb419f95da34a116a5847c206d0146b51b6e75df0570ff857727. 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/AUSM09900060.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6dfe315e66da5e71c12b0efe1611ad6bc96cd9c2ae68bcf3e357b3ac77489a8c. Chain 2 (Bitcoin): anchored in block 957020 (2026-07-07T09:18:01Z), 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/AUSM09900061.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdeb78061a8b98c0fe431e38fe3f9175f8a60a89340449df3256b5e604405618d. 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/AUSM09900063.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c509ad7963c8cf4dcec176b0ab4413133edbdf3920a9d46d5fccb7d68785788. 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/AUSM09900057.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2bc878c6938910fe87f0cdfd40e894a4297ef542d79ec8c4bb3f35f080c1fe34. 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/AUSM09900056.
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 0xcf74be26b78cc9e0f14b2fa7e4e96cfe0fd15bcd10322e766171a172495da3c1. Chain 2 (Bitcoin): anchored in block 960459 (2026-07-31T20:22:46Z), 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/AUBM00700746.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50235c83b3c05fa0a186aa4ee463bc7bf03b35100ac19551fc53b09eb8561073. Chain 2 (Bitcoin): anchored in block 960095 (2026-07-29T11:07:37Z), 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/AUSM09900059.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9868d297e3620c27f856f552943a67a1907bea16162d11603385c78c61da8162. Chain 2 (Bitcoin): anchored in block 960175 (2026-07-30T00:16:15Z), 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/AUSM09900062.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e2ed09d08a39ae96944a28d358bbac0009f11d45757f18e771a1cba2cf44cd5. Chain 2 (Bitcoin): anchored in block 960191 (2026-07-30T01:51:26Z), 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/AUSM09900058.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xabb45e86a37c730765f97a5662f79da3bf4fb6ea6b9204cadec8eb1b4a588b9c. Chain 2 (Bitcoin): anchored in block 960236 (2026-07-30T09:37:10Z), 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/AUSM09900064.