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 0x706ac04734430060f1f91716941d42da22e8b75d762af501724198e0f388cf0d. Chain 2 (Bitcoin): anchored in block 953648 (2026-06-14T15:20:52Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/35717507-374c-47d5-bc8e-cc21009aeb64.json and https://artists.proofprofile.net/proofs/artist/35717507-374c-47d5-bc8e-cc21009aeb64.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Outpost 1: Roland SC-55 (Original Game Soundtrack)
King's Quest I: Quest for the Crown: 1987 Edition: Roland MT-32 (Original Game Soundtrack)
Might and Magic I & II + King's Bounty USA Sound Collection (Original Game Soundtrack - AppleII, C64, PC, Amiga, Macintosh versions)
Police Quest I: In Pursuit of the Death Angel: 1987~1988 Edition: Roland MT-32 (Original Game Soundtrack)
King's Quest II: Romancing the Throne: 1988 Edition: Roland MT-32 (Original Game Soundtrack)
Space Quest I+II: The Sarien Encounter + Vohaul's Revenge: Roland MT-32 (Original Game Soundtrack)
King's Quest III: To Heir is Human: 1988 Edition: Roland MT-32 (Original Game Soundtrack)
Magic and Magic I: Secret of the Inner Sanctum: Music Collection (Original Game Soundtrack - Famicom/NES + Arranged versions)
Oil's Well: Roland MT-32 (Original Game Soundtrack)
The Lord of the Rings, Vol. I: The Fellowship of the Ring: Amiga (Original Game Soundtrack)
King's Bounty: The Conqueror's Quest: Sega Genesis/Mega Drive OPN2 (Official Game Soundtrack)
Might and Magic II: Gates to Another World: Sega Genesis/Mega Drive OPN2 version (Official Game Soundtrack)
Might and Magic IV: Clouds of Xeen: Sound Blaster Pro OPL2 (Official Game Soundtrack)
Might and Magic III: Isles of Terra: FM-TOWNS OPN2 (Official Game Soundtrack)
Might and Magic III: Isles of Terra: PC-9801 OPN (Official Game Soundtrack)
Might and Magic IV: Clouds of Xeen: Sound Blaster 16 FM OPL3 (Official Game Soundtrack)
Might and Magic III: Isles of Terra: Amiga (Official Game Soundtrack)
Might and Magic IV: Clouds of Xeen: Roland Sound Canvas SC-55 (Official Game Soundtrack)
EMPIRE Deluxe & EMPIRE II: The Art of War (Official Soundtrack Collection, Roland MT-32 + SC-55)
Might and Magic II: Gates to Another World: Super Nintendo SNES SPC700 (Official Game Soundtrack)
Might and Magic III: Isles of Terra: unreleased Super Famicom SFC SPC700 (Official Game Soundtrack)
The Lord of the Rings, Vol. II: The Two Towers: FM-TOWNS CD-DA (Original Game Soundtrack)
Marionette Mind: FM-TOWNS OPN2 (Official Original Game Soundtrack)
Marionette Mind: PC-9801 OPN (Official Original Game Soundtrack)
Might and Magic III: Isles of Terra: Sega Mega-CD (Official Game Soundtrack)
Might and Magic IV: Clouds of Xeen: PC-9801 OPN (Official Game Soundtrack)
Ambush at Sorinor: Roland MT-32 version (Official Game Soundtrack)
Might and Magic III: Isles of Terra: Super Nintendo SNES SPC700 (Official Game Soundtrack)
Might and Magic III: Isles of Terra: Sega Genesis/Mega Drive OPN2 (Official Game Soundtrack)
Space Hulk: Amiga Version (Original Game Soundtrack)
FlixMix: Sound Blaster 16: OPL3 (Official Game Soundtrack)
Marionette Mind: PC-9821 OPNA (Official Original Game Soundtrack)
Space Hulk: OPL3 (Original Game Soundtrack)
壮陽佳肴 ツォンヤンジャーヤオ: PC-9801 OPN (Official Original Soundtrack)
King’s Bounty: Stolen Order: FM-TOWNS OPN2 (Official Game Soundtrack)
Space Hulk: PC-98 Version (Official Original Game Soundtrack)
King’s Bounty: Stolen Order: PC-9801 OPN version (Official Game Soundtrack)
The Lord of the Rings, Vol. I: The Fellowship of the Ring: Super Nintendo SNES (Original Game Soundtrack)
Warcraft I: Orcs & Humans: Sound Blaster 16 OPL3 (Original Game Soundtrack, Gregory Alper Official Edition)
King’s Bounty: Stolen Order: FM-TOWNS Korg 01/Wpro CD-DA version (Official Game Soundtrack)
Darwin's Dilemma: Windows 3.1.x Version (Official Game Soundtrack)
Might and Magic IV: Clouds of Xeen: PC-9821 OPNA (Official Game Soundtrack)
The Legend of Kyrandia I: PC-98/FM-TOWNS CD-DA version (Official Game Soundtrack)
King’s Bounty: Stolen Order: PC-9821 OPNA version B (Official Game Soundtrack)
King’s Bounty: Stolen Order: PC-9821 OPNA version A (Official Game Soundtrack)
FlixMix: PC-9801 OPN + PC9821 OPNA, Vol. 2 (Official Original Game Soundtrack)
FlixMix: PC-9801 OPN + PC9821 OPNA, Vol. 1 (Official Game Soundtrack)
Rama: Unreleased Prototype Score: Roland SC-55
Might and Magic III: Isles of Terra: PC-9821 OPNA version (Official Game Soundtrack)
Inherit the Earth: Quest for the Orb: 2003 Windows MIDI (Official Original Game Soundtrack)
Might and Magic V: Darkside of Xeen: Roland Sound Canvas SC-55 (Original Game Soundtrack)
Might and Magic IV: Clouds of Xeen: Roland Sound Canvas SC-55 version (Original Game Soundtrack)
Might and Magic V: Darkside of Xeen: Roland Sound Canvas SC-55 version (Original Game Soundtrack)
Might and Magic V: Darkside of Xeen: Roland MT-32 version (Original Game Soundtrack)
Ambush at Sorinor - Roland MT-32 version (Original Game Soundtrack)
Might and Magic V: Darkside of Xeen: Sound Blaster 16 OPL3 (Original Game Soundtrack)
Might and Magic IV: Clouds of Xeen: Sound Blaster 16 OPL3 version (Original Game Soundtrack)
Might and Magic III: Isles of Terra: Sega Mega-CD version (Original Game Soundtrack)
King's Quest IV: The Perils of Rosella: MT-32 Archival Edition (Original Game Soundtrack)
Slater & Charlie Go Camping: Roland SC-55 version (Original Game Soundtrack)
Rama: Rejected Score: Roland SC-55 version (Original Game Soundtrack)
Trophy Bass 1: Roland SC-55 version, Vol. 1 (Original Game Soundtrack)
Might and Magic III: Isles of Terra Sega Genesis/Mega Drive OPN2 version (Original Game Soundtrack) [Sega OPN2]
Might and Magic III: Isles of Terra: Roland MT-32 version (Original Game Soundtrack)
Might and Magic V: Darkside of Xeen: Sound Blaster Pro OPL2 version (Original Game Soundtrack)
Might and Magic V: Darkside of Xeen: Sound Blaster Pro OPL2 (Original Game Soundtrack)
Might and Magic IV: Clouds of Xeen: Sound Blaster Pro OPL2 version (Original Game Soundtrack)
Outpost 1: Roland Sound Canvas SC-55 version (Original Game Soundtrack)
Magic and Magic I: Secret of the Inner Sanctum: Music Collection: Famicom/NES + Arranged versions (Original Game Soundtrack)
Might and Magic III: Isles of Terra: Sound Blaster OPL2 version (Original Game Soundtrack)
Planet's Edge: The Point of No Return: Sound Blaster OPL2 version (Original Game Soundtrack)
Might and Magic III: Isles of Terra: Amiga A500+A1200 version (Original Game Soundtrack)
EcoQuest 1: The Search for Cetus: Roland MT-32 (Original Soundtrack)
Might and Magic III: Isles of Terra: Super Nintendo SNES SPC700 version (Original Game Soundtrack)
Might and Magic II: Gates to Another World: Super Nintendo SNES SPC700 version (Original Game Soundtrack)
Star Command ~Invader of Darkness~ Music Collection (スターコマンド～暗闇の侵略者～ミュージックコレクション): PC98 + 1989 arranged + PC + Atari ST versions (Original Game Soundtrack)
Might and Magic III: Isles of Terra: PC-9821 OPNA version (Original Game Soundtrack)
Might and Magic III: Isles of Terra: FM-TOWNS OPN2 version (Original Game Soundtrack)
Might and Magic IV: Clouds of Xeen: PC-9801 OPN version (Original Game Soundtrack)
Might and Magic IV: Clouds of Xeen: PC-9821 OPNA version (Original Game Soundtrack)
Might and Magic V: Darkside of Xeen: FM-TOWNS OPN2 (Original Game Soundtrack)
Police Quest 4: Open Season: Roland SC-55 version, Vol. 1 (Original Game Soundtrack)
Police Quest 4: Open Season: Roland SC-55 version, Vol. 2 (Original Game Soundtrack)
Phantasie V: Resurrection (Original Game Soundtrack)
Might and Magic III: Isles of Terra: PC-9801 OPN (Original Game Soundtrack)
Planet's Edge: The Point of No Return: Roland MT-32 version (Original Game Soundtrack)
Might and Magic IV: Clouds of Xeen: Roland MT-32 version (Original Game Soundtrack)
Twisty History - Pepper's Adventures in Time, Vol. I (Original Game Soundtrack)
The Lord of the Rings, Vol. I: The Fellowship of the Ring: Amiga version (Original Game Soundtrack)
Twisty History - Pepper's Adventures in Time, Vol. II (Original Game Soundtrack)
Twisty History - Pepper's Adventures in Time, Vol. III (Original Game Soundtrack)
Twisty History - Pepper's Adventures in Time, Vol. IV (Original Game Soundtrack)
Space Quest 6: The Spinal Frontier, Vol. 1 (Original Game Soundtrack)
The Lord of the Rings, Vol. I + II: The Fellowship of the Ring + The Two Towers: PC-9801 OPN Version (Original Game Soundtrack)
The Lord of the Rings, Vol. I + II: The Fellowship of the Ring + The Two Towers: PC-9801 OPN (Original Game Soundtrack)
King's Quest VII: The Princeless Bride, Act I (Original Game Soundtrack)
Space Quest 6: The Spinal Frontier, Vol. 2 (Original Game Soundtrack)
King's Quest VII: The Princeless Bride, Act II (Original Game Soundtrack)
Space Quest 6: The Spinal Frontier, Vol. 3 (Original Game Soundtrack)
King's Quest VII: The Princeless Bride, Act III (Original Game Soundtrack)
King's Quest VII: The Princeless Bride, Act IV (Original Game Soundtrack)
King's Quest VII: The Princeless Bride, Act V (Original Game Soundtrack)
King's Quest VII: The Princeless Bride, Act VI (Original Game Soundtrack)
Ｍｉｇｈｔ ａｎｄ Ｍａｇｉｃ ＩＩＩ： Ｉｓｌｅｓ ｏｆ Ｔｅｒｒａ： ｕｎｒｅｌｅａｓｅｄ Ｓｕｐｅｒ Ｆａｍｉｃｏｍ ＳＦＣ ＳＰＣ７００ （Ｏｒｉｇｉｎａｌ Ｇａｍｅ Ｓｏｕｎｄｔｒａｃｋ）
Might and Magic III: Isles of Terra: unreleased Super Famicom SFC SPC700 version (Original Game Soundtrack)
Space Quest 6: The Spinal Frontier, Vol. 4 (Original Game Soundtrack)
Warcraft I: Orcs & Humans: Sound Blaster 16 OPL3 Edition (Original Game Soundtrack)
King’s Bounty: Stolen Order: PC-98 OPN+OPNA version (Original Game Soundtrack)
King’s Bounty: Stolen Order: Korg 01/Wpro CD-DA version (Original Game Soundtrack)
Might and Magic V: Darkside of Xeen: PC-9801 OPN version (Original Game Soundtrack)
Might and Magic V: Darkside of Xeen: PC-9821 OPNA version (Original Game Soundtrack)
Darwin's Dilemma: Windows 3.1.x Version (Original Game Soundtrack)
The Lord of the Rings, Vol. II: The Two Towers:FM-TOWNS CD-DA Version (Original Game Soundtrack) [FM-TOWNS CDDA version]
Might and Magic IV: Clouds of Xeen: FM-TOWNS OPN2 version (Original Game Soundtrack)
King’s Bounty: Stolen Order: FM-TOWNS OPNA+OPN2 version (Original Game Soundtrack)
Starfire: PC-9801 OPN Version (Original Game Soundtrack)
Starfire: PC-9821 OPNA Version (Original Game Soundtrack)
EMPIRE Deluxe & EMPIRE II: The Art of War (Original Game Soundtrack)
King's Bounty: The Conqueror's Quest: Sega Genesis/Mega Drive OPN2 (Original Game Soundtrack)
Might and Magic II: Gates to Another World: Sega Genesis/Mega Drive OPN2 version (Original Game Soundtrack)
FlixMix Sound Blaster 16 OPL3 version (Original Game Soundtrack)
The Legend of Kyrandia I: PC-98/FM-TOWNS CD-DA (Original Game Soundtrack)
The Legend of Kyrandia I: PC-9801 OPN (Original Game Soundtrack)
The Legend of Kyrandia I: FM-TOWNS OPN2 (Original Game Soundtrack)
Warcraft I: Orcs & Humans: Roland Sound Canvas SC-55 Edition (Original Game Soundtrack)
The Lord of the Rings, Vol. I + II: The Fellowship of the Ring + The Two Towers: Roland MT-32/CM-32L (Original Game Soundtrack)
King's Quest I: Quest for the Crown: Roland MT-32 (Original Game Soundtrack)
King's Quest VI: Heir Today, Gone Tomorrow: Roland SC-55, Vol. 1 (Original Game Soundtrack)
King's Quest V: Absence Makes the Heart Go Yonder: Roland MT-32, Vol. 1 (Original Game Soundtrack)
King's Quest V: Absence Makes the Heart Go Yonder: Roland MT-32, Vol. 2 (Original Game Soundtrack)
King's Quest VI: Heir Today, Gone Tomorrow: Roland SC-55, Vol. 2 (Original Game Soundtrack)
King's Quest V: Absence Makes the Heart Go Yonder: Roland MT-32, Vol. 3 (Original Game Soundtrack)
King's Quest VI: Heir Today, Gone Tomorrow: Roland SC-55, Vol. 3 (Original Game Soundtrack)
EcoQuest 2: Lost Secret of the Rainforest: Roland SC-55, Vol. 1 (Original Game Soundtrack)
EcoQuest 2: Lost Secret of the Rainforest: Roland SC-55, Vol. 2 (Original Game Soundtrack)
Mixed-Up Fairy Tales: Roland MT-32, Vol. 1 (Original Game Soundtrack)
Mixed-Up Fairy Tales: Roland MT-32, Vol. 2 (Original Game Soundtrack)
Castle of Dr. Brain: Roland MT-32/CM-32L (Original Game Soundtrack)
The Island of Dr. Brain: Roland SC-55 (Original Game Soundtrack)
The Legend of Kyrandia I: Adlib/Sound Blaster OPL3 (Original Game Soundtrack)
Might and Magic IV: Clouds of Xeen: FM-TOWNS version (Original Game Soundtrack)
King's Quest V: Absence Makes the Heart Go Yonder: Roland SC-55, Vol. 2 (Original Game Soundtrack)
King's Quest V: Absence Makes the Heart Go Yonder: Roland SC-55, Vol. 3 (Original Game Soundtrack)
The Legend of Kyrandia I: Roland MT-32 (Original Game Soundtrack)
King's Quest V: Absence Makes the Heart Go Yonder: Roland SC-55, Vol. 1 (Original Game Soundtrack)
The Legend of Kyrandia II: The Hand of Fate: Adlib/Sound Blaster OPL3, Vol.I (Original Game Soundtrack)
The Legend of Kyrandia II: The Hand of Fate: Adlib/Sound Blaster OPL3, Vol.II (Original Game Soundtrack)
The Lord of the Rings, Vol. I: The Fellowship of the Ring: Super Nintendo SNES version (Original Game Soundtrack)
Lands of Lore I: The Throne of Chaos: Adlib/Sound Blaster OPL3, Vol.II (Original Game Soundtrack)
Lands of Lore I: The Throne of Chaos: Adlib/Sound Blaster OPL3, Vol.I (Original Game Soundtrack)
Space Quest IV: Roger Wilco and The Time Rippers: Roland MT-32, Vol.I (Original Game Soundtrack)
Space Quest IV: Roger Wilco and The Time Rippers: Roland MT-32, Vol.II (Original Game Soundtrack)
Oil's Well: Roland MT-32 version (Original Game Soundtrack)
The Legend of Kyrandia II: The Hand of Fate: FM-TOWNS OPN2, Vol.II (Original Game Soundtrack)
The Legend of Kyrandia II: The Hand of Fate: FM-TOWNS OPN2, Vol.I (Original Game Soundtrack)
Lands of Lore I: The Throne of Chaos: FM-TOWNS OPN2, Vol.I (Original Game Soundtrack)
Lands of Lore I: The Throne of Chaos: FM-TOWNS OPN2, Vol.II (Original Game Soundtrack)
MechWarrior 2: 31st Century Combat: Gregory Alper Tracks (Original Game Soundtrack)
Lands of Lore I: The Throne of Chaos: PC-9821 OPNA Version A, Vol.I (Original Game Soundtrack)
Lands of Lore I: The Throne of Chaos: PC-9821 OPNA Version A, Vol.II (Original Game Soundtrack)
Lands of Lore I: The Throne of Chaos: PC-9801 OPN Version, Vol.I (Original Game Soundtrack)
Lands of Lore I: The Throne of Chaos: PC-9801 OPN Version, Vol.II (Original Game Soundtrack)
Lands of Lore I: The Throne of Chaos: PC-9821 OPNA Version B, Vol.II (Original Game Soundtrack)
Lands of Lore I: The Throne of Chaos: PC-9821 OPNA Version B, Vol.I (Original Game Soundtrack)
The Legend of Kyrandia II: The Hand of Fate: PC-9801 OPN, Vol.II (Original Game Soundtrack)
The Legend of Kyrandia II: The Hand of Fate: PC-9801 OPN, Vol.I (Original Game Soundtrack)
The Legend of Kyrandia II: The Hand of Fate: PC-9821 OPNA Version A, Vol.II (Original Game Soundtrack)
The Legend of Kyrandia II: The Hand of Fate: PC-9821 OPNA Version A, Vol.I (Original Game Soundtrack)
The Legend of Kyrandia II: The Hand of Fate: PC-9821 OPNA Version B, Vol.I (Original Game Soundtrack)
The Legend of Kyrandia II: The Hand of Fate: PC-9821 OPNA Version B, Vol.II (Original Game Soundtrack)
Inherit the Earth: Quest for the Orb: PC-9801 OPN Version (Original Game Soundtrack)
Inherit the Earth: Quest for the Orb: PC-9821 OPNA Version (Original Game Soundtrack)
FlixMix: PC-98 version, Vol. 1 (Original Game Soundtrack)
Hoyle: Official Book of Games - Volume 1+2+3: Roland MT-32 Version (Original Game Soundtrack)
The Legend of Kyrandia II: The Hand of Fate: Roland SC-55, Vol.I (Original Game Soundtrack)
The Legend of Kyrandia II: The Hand of Fate: Roland SC-55, Vol.II (Original Game Soundtrack)
Space Hulk: PC-98 Version (Original Game Soundtrack)
Space Hulk: OPL3 & Amiga Versions (Original Game Soundtrack)
Lands of Lore I: The Throne of Chaos: Roland SC-55 Version, Vol.I (Original Game Soundtrack)
Lands of Lore I: The Throne of Chaos: Roland SC-55 Version, Vol.II (Original Game Soundtrack)
Wing Commander II: Vengeance of the Kilrathi: MT-32/CM-32L Version (Original Game Soundtrack)
Wing Commander Academy + Bonus Tracks: MT-32/CM-32L (Original Game Soundtrack)
Might and Magic I & II + King's Bounty USA Sound Collection: AppleII, C64, PC, Amiga, Mac versions (Original Game Soundtrack)