1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 0xae59415e8637bcce33001620f1878429510975c3f5b9be1013f09a34a3ec9089. 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/270715fd-293c-45a3-8f07-4c1408d4c6c0.json and https://artists.proofprofile.net/proofs/artist/270715fd-293c-45a3-8f07-4c1408d4c6c0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Sly Cooper: Thieves in Time (Original Game Soundtrack)
Grim Fandango Remastered (Original Soundtrack)
Grim Fandango (Remastered/Original Soundtrack)
Grim Fandango Remastered (Original Game Soundtrack)
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb72161ddbe13840c6d78e159c8310ee800e37aa70f13f3c7cbe98a34864a512f. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/76Es00y9vdy9xM7s26zcWd.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/76Es00y9vdy9xM7s26zcWd.
Psychonauts 2 (Original Soundtrack), Vol. 1
Psychonauts 2 (Original Soundtrack), Vol. 3
Voodoo Detective (Original Soundtrack) [B-Sides]
Voodoo Detective's Theme - Whistle with Bass
{"copyright_id":"0xe14738a7efb4bc581ad92fa37877d32e3ef0b1d507087906c965ae9a2c4ecf86","isrc":"USQ772000052","name":"Mechagon Junker Gnomes","registered_at":"2026-06-24T13:28:09Z","spotify_id":"5qswkMNOPmNbkTfHFBhdkI","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe14738a7efb4bc581ad92fa37877d32e3ef0b1d507087906c965ae9a2c4ecf86. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5qswkMNOPmNbkTfHFBhdkI.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5qswkMNOPmNbkTfHFBhdkI.
Hearthstone: Music From The Tavern - Anniversary Picks
{"copyright_id":"0xd4265ae3da8a19491f94fff0d151d8f3af6e9dc14983e19d7c5aaa734d09d381","isrc":"USQ772400001","name":"Pull Up A Chair (Main Title)","registered_at":"2026-06-07T21:09:28Z","spotify_id":"5cwnBmRgTyZY2KO1gZMIpg","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4265ae3da8a19491f94fff0d151d8f3af6e9dc14983e19d7c5aaa734d09d381. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5cwnBmRgTyZY2KO1gZMIpg.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5cwnBmRgTyZY2KO1gZMIpg.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x418827cee6f5507992956f835edeb0eef451cf8e55ea79c51baa26d35703418b. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0AchnsZtOiGdgA4I4d6WJ7.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0AchnsZtOiGdgA4I4d6WJ7.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe322453b4ce124076191037fda92f7008f41ac1f5c6c3f8b3ae436355b0ae01e. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0kodvp6z8WkZ7rDWHjgm7b.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0kodvp6z8WkZ7rDWHjgm7b.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa717a546321f2b6a505fa152a98e753ab025318d330c2e4600f0b560a8f0d83. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1wJnsaTwPrdjegU8eNWB95.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1wJnsaTwPrdjegU8eNWB95.
{"copyright_id":"0x6145e2ef1695e0a1a59bee5d1102a53b28af55c646b53d83004cac19745559a4","isrc":"USQ772400005","name":"Bad Down to the Molten Core","registered_at":"2026-06-11T14:46:26Z","spotify_id":"1H2zWueejgigBZQ4tWofBR","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6145e2ef1695e0a1a59bee5d1102a53b28af55c646b53d83004cac19745559a4. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1H2zWueejgigBZQ4tWofBR.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1H2zWueejgigBZQ4tWofBR.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c0f472fbd286b35573d55166a3db8a4911b17f74ca2cfa9dee167f6b345af44. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3vyc1VoSlOl5ExhEYFV79i.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3vyc1VoSlOl5ExhEYFV79i.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf617510629e58d2e7a61267987741675e1c57a0f0d77cb4004c9e955b0d0919e. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5AKBycHe2Mo4nu6oraNVam.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5AKBycHe2Mo4nu6oraNVam.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd18dbc867364f34fadea2b3443935b571e3ad064074a73a145d53a77a45cbfdb. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6BHaZHU21tfolV4tPUKya1.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6BHaZHU21tfolV4tPUKya1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb135836c474ea5267379d1c09b8489453374224838224d2f140b93a94eb32c45. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2Na4n7DfA88unfqJnTQHke.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2Na4n7DfA88unfqJnTQHke.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb66a573fd256c7774ce61d77ffb449d5c2fd5426f58e1b10bc0d28c5a101192a. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7pkyXrOLZAsPpmeJXSg0X3.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7pkyXrOLZAsPpmeJXSg0X3.
{"copyright_id":"0x3e51391bbb03602af6edbf249889d2ea1ba0a5083a97fed30b555b31ec3cce79","isrc":"USQ772400011","name":"Kobolds Gather","registered_at":"2026-06-18T18:49:29Z","spotify_id":"2XdNfTOLcWhp7VzRq7wQqQ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e51391bbb03602af6edbf249889d2ea1ba0a5083a97fed30b555b31ec3cce79. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2XdNfTOLcWhp7VzRq7wQqQ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2XdNfTOLcWhp7VzRq7wQqQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6429cded716eef486c4356bc0a3c0a5a2fc3b7a2f332110b94444f9f8d7bb628. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7ifjS5mqDSDVefT70rcXBA.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7ifjS5mqDSDVefT70rcXBA.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd01abc575d6a55d6744c0e370433cabe6f5d57c52a9ca3ca7c8e91693815e73f. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1EDLXOXV2USe770n5R5RMb.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1EDLXOXV2USe770n5R5RMb.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61c7c1d4beaf8be2a048f1a18b81d447dacddefa2858b608a125469df34d2fb0. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4DL9jFXrF7YXP3ybhyFIjR.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4DL9jFXrF7YXP3ybhyFIjR.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9ddf5ba0e42575278c62fb3ec44b9b42723c831ae575725d5614fab35662f81. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/71ZdPlMtPlCrp2WnYQHYHY.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/71ZdPlMtPlCrp2WnYQHYHY.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x156a450f1383bbf4ad39a13af3ab249f6e1e40a6b222caa98f9e66318727848d. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3IXxFzSKwyR6JhWflUTUhB.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3IXxFzSKwyR6JhWflUTUhB.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3aff582d9003d6835fafa17ab6d03d24dee7be157cb287dfed704f7f1b56bd09. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5ZrantyzCvEBswXimM6dGw.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5ZrantyzCvEBswXimM6dGw.
{"copyright_id":"0x419e56ca9ed27ab54fefd6a989dc425547d88a41a9a43e8115ed32546c94babb","isrc":"USQ772400018","name":"Hellfire Peninsula","registered_at":"2026-06-21T07:01:06Z","spotify_id":"1JTOZqAFetFZG7vkJ0DJES","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x419e56ca9ed27ab54fefd6a989dc425547d88a41a9a43e8115ed32546c94babb. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1JTOZqAFetFZG7vkJ0DJES.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1JTOZqAFetFZG7vkJ0DJES.