Jason Paul Douglas Boyd, known professionally as Poo Bear, is an American singer, songwriter, and record producer. He is best known for his songwriting work for Canadian singer Justin Bieber, having
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 0xcd66e60d90d871fe1087ed0808349a5a2356b227970a23ecc7cf4f02ac3a7597. 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/fdd76bdb-5330-43d1-9f12-8ee6af3387cc.json and https://artists.proofprofile.net/proofs/artist/fdd76bdb-5330-43d1-9f12-8ee6af3387cc.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
lonely christmas (feat. Justin Bieber & Poo Bear)
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 0x95bc12914932f038d26b3591d94c17ceec1f8afa27603aa3bf53513b28ddeb7c. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USRC12102948.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xabb0a727ce18314a0a857206f1702db6c45c74cfd95cbe751f785a672a3fc2d0. 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/QZFZ62439632.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x474f557a1005ab5c060266cfc3a3cbe43eaa4382155cd7a1cc71ee4a2a32dd27. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA2P2411118.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9865d5d52f01d9567ebb0165c744c65a3ab1442dc45fe1ab751454166e8374ad. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUG11702132.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6044cdacecf281732aec47ee0c1d4be4aa3e336f7a7d43d782047be37d56fd45. 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/USUG11702083.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7e7221f53cca94410bbfedcb321b2b6ec8964259675bb55eba124f704b75389. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUG11800593.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1428042e35ba9ad38ca6f36ff01a28f0c569dfaf5ed0ee07e55ff10380a68d81. 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/USUG11800594.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c07f8e36a5e41d85df3ff6aae8f625205f0fc1e41a5026bb20442cceacd566a. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUG11800596.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef14c889752fcfe835ab9f31c823215768681b046b6070d0a2427f4ded74e321. 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/TCACE1580663.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16238e7fb4bb9f4dc1ae107e627b2e7bf2d21ad730d1d1306c49cd6cbea2cf0d. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NL8RL2427359.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc18b754908dfe2221e22a01817169084429483fd390058b8947fa10207a9c3d. 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/QZS7J2201458.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x462042a8d763cc31f7793123571cb5ebd0c5d499553420b563f1907cce9c634f. 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/US23A1501665.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc01e0dcf63be600d1704d3918ddc290ea0a914f853d5533c2a173be23bff7200. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US23A1501473.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6756a244d1f6cdd13895283143c435a945dc3869df14d6fb60675c73959096b. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM24S1703811.
Would You Ever (Branchez & Charlie Klarsfeld Remix)
Would You Ever - Branchez & Charlie Klarsfeld Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37b702a6b068b84dff9c24c0b3d40c97d268234d1a5c5751456766b24e1279f8. 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/USAT21704016.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x601e5f4e7dc2444c8abb657442b78c47e8b3f7be5850225d96e49d6782e32c2c. 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/USAT21704014.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x139f1c0e68057f7c707c6d5e9a4fccbeb217d0fc06a672a30ca1eae8baaac134. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM24S1703466.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x343976c1f4d18603d84d579764c2f1488f942bdd763f169621ae794ede4eed83. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USAT21702382.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a9cc6455a9d1edecf1d0192ba37ec9bf661ac60a0e7daf5ee6bc10358d52275. 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/TCACA1446391.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e47cabc8066249d437d126696bba81de1f74f98bf2aacdf868bc88483ebcaed. 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/USUM72102640.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc79a356f6c37a5d7ceaeb37a47e565de028b895059c5ed9c5ba07de9ad36bd43. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USAT21703586.
Middle of You (feat. Chevy Woods, Nikkiya and Poo Bear) - Bonus Track
Rolling Papers (Deluxe 10 Year Anniversary Edition)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41935eed20f74063200c178df414757fda0ffad48687d268e98d5f782dabb74e. 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/USAT21100335.
Food & Liquor II: The Great American Rap Album, Pt. 1
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1416fafb1538d1debcc31f430d49814674343661b025775d6430622dd051c504. 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/USAT21204159.
Middle of You (feat. Chevy Woods, Nikkiya, Poo Bear)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x567d393c6c7ff20d52af3305d3e31af4f02fb9fa84c15f319e5f595d4ff47afd. 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/USA2P1868363.