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 0xa0a6a2b1374c241ee2c7789d227f7810891265efc1a8f574bf8389b1e76cde79. 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/f32d3184-a7e2-4739-b8db-5ecb6eecebf4.json and https://artists.proofprofile.net/proofs/artist/f32d3184-a7e2-4739-b8db-5ecb6eecebf4.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Morning Birdsong and Refreshing Bossa Nova
朝の鳥のさえずりとさわやかボサノヴァ
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 0x108c150f3ce3e6c6edcc237c2075ff9f8dea780a049a16662fa342eef4bf4572. Chain 2 (Bitcoin): anchored in block 959076 (2026-07-22T02:31:32Z), 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/TCJPV2386284.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92746f60e729b26e667df0fa066cd0284f4ec5ea66995aabab25b544ea8b8974. Chain 2 (Bitcoin): anchored in block 958853 (2026-07-20T12:00:46Z), 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/TCJPV2386290.
Breakfast in the forest and refreshing bossanova
Morning on the plateau and gentle bossa nova
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9fcaa7963dbeac9dd6347a785a5d91cd23277ed6b6a4033e8b7cf7c6dce6b46c. Chain 2 (Bitcoin): anchored in block 956500 (2026-07-03T13:55:21Z), 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/TCJPX2365723.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1bc3f43f24d9492eecab6e44405c82670ed74185e7c6a77af95205ae49c103e. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/TCJPX2365725.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0bd484aa63b205f0aa249417a73c2fbe9a8d28f5103d392c868ff0700199f632. Chain 2 (Bitcoin): anchored in block 958245 (2026-07-16T07:54:13Z), 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/TCJPX2365729.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea10739b69bd2fa23b82a7ed8b5f8feb7faca92b0eb61ca24c24cc47df91dc8d. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), 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/TCJPX2365730.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x234b691b01b5a5357da7ad7b71d71ed65b9f96aff5a00fcab95c1ce27d882682. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/TCJPX2365732.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xabc730463b4c3d687574100eace62319ef57affd6e46f62cbb5c024c443b9af1. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/TCJPX2365736.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0de7cd7fb5db159bf4f78a79dad29a7424af0c923ea72be44b77ac22c267f44. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), 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/TCJPX2365738.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe826beeb944dd2cc179a4ab0b76d577cbca55acaff43d4dd6325e54099c43ee5. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/TCJPX2365742.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1d669539bbfb62ef8aee571b9598f1a9f28a66d94f9b479885b04a28463aef9. Chain 2 (Bitcoin): anchored in block 958245 (2026-07-16T08:20:01Z), 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/TCJPX2365751.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7fe362f4d1881e829dd526ffdd8cb81c910fc8dc432f65f9a494fb849303468c. Chain 2 (Bitcoin): anchored in block 958819 (2026-07-20T06:47:34Z), 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/TCJPX2365756.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe84bb86ffccf6e3b7da14648825cd8defca47a76bfe84d0c1558e545815b3a6c. Chain 2 (Bitcoin): anchored in block 958846 (2026-07-20T10:47:23Z), 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/TCJPX2365759.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4489a7ebea6e0cf1cc2ad1253a2669bbd253abf4dd1936e3ec0353b7676809a9. Chain 2 (Bitcoin): anchored in block 958377 (2026-07-17T06:48:00Z), 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/TCJPX2365760.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x124b9bffe4b3c68436bece48bdac3058a66eae4ab6dbe8d3b9cc082098e9f9a7. Chain 2 (Bitcoin): anchored in block 958256 (2026-07-16T07:22:18Z), 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/TCJPX2365763.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x014077cec7196ebd678083dad67a1f5cb846e81f6d6951b2fd12f72ab2247ac4. Chain 2 (Bitcoin): anchored in block 958792 (2026-07-20T01:43:44Z), 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/TCJPX2365765.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x234b691b01b5a5357da7ad7b71d71ed65b9f96aff5a00fcab95c1ce27d882682. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/TCJPX2365732.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xabc730463b4c3d687574100eace62319ef57affd6e46f62cbb5c024c443b9af1. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/TCJPX2365736.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4489a7ebea6e0cf1cc2ad1253a2669bbd253abf4dd1936e3ec0353b7676809a9. Chain 2 (Bitcoin): anchored in block 958746 (2026-07-19T15:36:35Z), 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/TCJPX2365760.
公園の朝とさわやかジャズボッサ
ハワイの風を感じるウクレレとギター
休日のアイランドで聴くウクレレボサノヴァ
Ukulele Bossa Nova to be heard on a holiday island
朝の美味しいコーヒーとボサノヴァ
Summer Forest Breakfast and Slow Bossa Nova
夏の森の朝食とスローボサノヴァ
山小屋の休日とやさしいアコースティックギター
Summer Bossa Nova Guitar Listened to in a Cool Forest
涼しげな森で聴く夏のボサノヴァギター
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21ea3b103a918a22da4c19a475385fa42699626a2c8bdea9827ba49a1601ea96. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/TCJPB2407533.
海岸のやさしいウクレレとギター
Fresh forest breakfast and gentle guitar
フレッシュな森の朝食とやさしいギター
南国の風を感じるウクレレの音色
穏やかな海の中とやさしいウクレレ
Morning forest bathing and gentle ukuleles
沖縄の海辺で聴く三線とアコースティックギター
Sanshin and Acoustic Guitar by the Sea in Okinawa
湖畔で楽しむウクレレボサノヴァ
爽やか湧水とアコースティックギター
Refreshing spring water and acoustic guitar
森の昼下がりとやさしい生ギター
Afternoon in the forest and gentle live guitar.
涼しげな風鈴の音色とボサノヴァ
トロピカルムードで楽しむハワイ気分なウクレレ
Hawaiian mood ukulele in a tropical mood
Soothing sound of waves and acoustic guitar before good night.
おやすみ前の癒しの波の音とアコギ
澄んだ森の空気とボサノヴァギター
波打ち際で聴くウクレレとギター
Ukulele and guitar listening by the waves
Refreshing acoustic guitar to listen to in the fresh green season
新緑の季節に聴くさわやかアコースティックギター
Bossa nova guitar to listen to while reading in the forest
森で読書しながら聴くボサノヴァギター
Ukulele and acoustic guitar by the stream
小川のほとりで聴くウクレレ とアコギ
Bossa nova guitar to listen to while sipping a tropical drink
トロピカルドリンクを飲みながら聴くボサノヴァギター
ハンモックで揺られながら聴くウクレレギター
Ukulele guitars listened to while swinging in a hammock
朝の小川と小鳥たちのボサノヴァ
小鳥たちとウクレレの森のセッション
美しい源流とアコースティックギター
Beautiful headwaters and acoustic guitar
やさしい水の流れとウクレレとギター
あったかコーヒーとジャズボッサ
週末読書とアコースティックギター
Forest air and acoustic guitar on the terrace
テラスで味わう森の空気とアコースティックギター
朝の公園と心地良いボサノヴァギター
Morning Park and Relaxing Bossa Nova Guitar
落ち葉とアコースティックギター
秋の川のせせらぎとアコースティックギター
暖炉でぬくぬく読書とボサノヴァ
Autumn mountain streams and the gentle sound of live guitar
秋の渓流と優しい生ギターの音色
小川のせせらぎとやさしいギター
雪景色と暖炉とアコースティックギター
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd19f981afd84caa80cfd3b03ed3d7aaf85e1e271ec360f4eab5330a6c8651d7. Chain 2 (Bitcoin): anchored in block 958468 (2026-07-18T00:27:51Z), 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/TCJPD2400094.
Snowy landscape, fireplace and acoustic guitar
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd19f981afd84caa80cfd3b03ed3d7aaf85e1e271ec360f4eab5330a6c8651d7. Chain 2 (Bitcoin): anchored in block 958711 (2026-07-19T09:26:32Z), 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/TCJPD2400094.
A hot spring where you can relax and enjoy ukulele music
Bossa Nova in front of the fireplace at Xmas
神秘の海とアコースティックギター
シチリア島の休日に聴くボサノヴァ
朝の山小屋で聴くウクレレボッサ
Ukulele Bossa Listening in the Morning at a Mountain Hut
鳥の声と朝食とアコースティックギター
Gentle morning light and acoustic guitar
やさしい朝の光とアコースティックギター
Little birds in the forest and gentle ukulele
森の小鳥たちとやさしいウクレレ
湖畔で聴くやさしいアコースティックギター
Gentle acoustic guitar listening by the lake
Acoustic guitar to listen to while enjoying the mountain air
山の空気を味わいながら聴くアコースティックギター
Coffee and acoustic guitar to savor on a forest morning
森の朝に味わうコーヒーとアコースティックギター
Snowy landscape, birds and ukulele bossa
Refreshing morning coffee and acoustic guitar
爽やかモーニングコーヒーとアコースティックギター
公園で聴くまどろみのソロギター
Slumbering solo guitar heard in the park
透き通る水面とアコースティックギター
週末キャンプで味わうコーヒーとボサノヴァ
Spring camp on the riverbank, gentle guitar
河原で春キャンプ、やさしいギター
Clean spring water and gentle classical guitar
綺麗な湧き水とやさしいクラシックギター
川のせせらぎとやさしい生ギター 〜自律神経が整うBGM〜
Stream Guitar" - background music to regulate the autonomic nervous system with the murmuring of a river and gentle live guitar.
Forest Fountain and Healing Acoustic Guitar
森の泉と癒しのアコースティックギター
Fresh forest morning and fresh solo guitar
新緑の森の朝と爽やかソロギター
Cherry Blossoms and Urarea Acoustic Guitar
桜とうららかアコースティックギター
早春の和風アコースティクギター
Spring Streams and Gentle Acoustic Guitar
春の小川とやさしいアコースティックギター
New Cherry Blossom Season and Bossa Nova Guitar
新しい桜の季節とボサノヴァギター
Gentle acoustic guitar to listen to while being healed by a bonfire
しっとり雨音とやさしい生ギター
焚き火に癒されながら聴くやさしいアコギ
Moist rainy forest and gentle bossa nova
しっとり雨の森と優しいボサノヴァ
Dripping water sound and acoustic guitar
滴る水の音とアコースティックギター
Rainy Paris and delicate guitar melodies
雨降るパリの街と繊細なギターのメロディ
ビーチパラソルとボサノヴァギター
爽やかな潮風とウクレレセッション
The calm sea and the gentle sound of sanshin
穏やかな海とやさしい三線の響き
Quiet wave sound and dusk acoustic guitar
静かな波音と夕暮れアコースティックギター
Acoustic guitar listening while feeling the fresh sea breeze.
爽やかな 潮風を感じながら聴くアコースティックギター
夕暮れの浜辺と優しいアコースティックギター
河原でキャンプ 焚き火と生ギター
Camping on the riverbanks Bonfires and live guitars
湖のほとりで聴く涼しいソロギター
Reading on the beach while listening to acoustic guitar
アコースティックギターを聴きながらビーチで読書
冬の散歩道とリラクゼーションギター
Relaxing ukulele in the melting snow season
雪解けの季節のリラクシングウクレレ
春、芽吹の季節のボサノヴァギター
Bossa Nova Guitar in Spring and Budding Season
春の海辺とやさしいウクレレギター
Spring Seaside and Gentle Ukulele Guitar
春の息吹とアコースティックギター
小川のせせらぎとおやすみソロギター
Good night solo guitar with a babbling brook
森で味わうコーヒーとリラクシングギター
Coffee and relaxing guitar in the forest
ビーチで朝散歩 軽やかなアコースティックギター
Morning stroll on the beach Light acoustic guitar
Good night guitar listening on the beach in the evening
夕方のビーチで聴くおやすみギター
セーヌ川のほとりで聴く秋のギター
美しい秋の公園に響くアコースティックギター
Acoustic guitar echoing in a beautiful autumn park
Clear water and acoustic guitar in the Alps
アルプスの透明な水とアコースティックギター
ビーチで朝散歩に聴くボサノヴァギター
Bossa Nova guitar to listen to on a morning walk on the beach
Ukulele listening on a relaxing sandy beach
The sound of the ukulele and the murmuring of the creek
Natural Sonic Compilation Series 1 - Wind Bossa -
小川のせせらぎとウクレレの響き
Acoustic Guitar Listening by the Lake in Summer
夏の湖畔で聴くアコースティックギター
キャンプでくつろぎながら聴くアコースティックギタ ー
Acoustic guitar to listen to while relaxing at camp
Freshly baked bread and gentle bossa nova
焼きたてのパンとやさしいボサノヴァ
Relaxing Solo Guitar Listening at Seaside Cafe
シーサイドカフェで聴くリラクシングソロギター
虫の音を聴きながら味わうランチとボサノヴァ
Lunch and Bossa Nova while listening to the sound of insects
そよ風薫るアコースティックギター
Natural Sonic Compilation Series 2 - Bird Bossa -
Relaxing guitar listening in a forest resort
森のリゾートで聴くリラクシングギター
Natural Sonic Compilation Series 3 - SeaBossa -
穏やかな水の流れと春のボサノヴァ
Natural Sonic Compilation Series 4 - SummerBossa -
The quiet sound of waves and sanshin on the islands
5月のそよ風とリラクシングギター
Wind chimes, ukulele and guitar in late summer
Ukulele Bossa Nova that evokes the Hawaiian breeze
ハワイの風を感じるウクレレボッサ
ハワイでゆっくり休日に聴くリラクシングウクレレ
Relaxing ukulele music to listen to on a leisurely holiday in Hawaii
Relaxing guitar to enjoy at a resort in early summer
初夏のリゾートで楽しむリラクシングギター
朝に味わう森の空気とリラクシングギター
Enjoy the morning forest air and relaxing guitar music.
Sea Breeze Terrace and Bossa Nova Guitar
Listening to jazz bossa nova while drinking a tropical drink
トロピカルドリンクを飲みながら聴くジャズボッサ
風そよぐ田園風景とリラクシングギター
A relaxing guitar accompaniment to a breezy rural landscape
A terrace where the breeze blows through and relaxing guitar music
朝露に光る草原とやさしいアコースティックギター
A meadow glistening with morning dew and a gentle acoustic guitar
風が通り抜けるテラスとリラクシングギター
The season of hydrangeas and relaxing ukulele music
Enjoying tea and bossa nova in the garden
美しい青の洞窟とリラクシングギター
Gentle autumn breeze, coffee, and guitar
やわらかい秋風とコーヒーとギター
澄み渡る秋空とウクレレとギター
The River of Falling Leaves and Gentle Bossa Nova
秋桜の咲く丘とアコースティックギター
The hill where cosmos bloom and an acoustic guitar
Autumn skies and the gentle melody of insects
A mountain path where fallen leaves dance And the gentle sound of the ukulele
落ち葉の舞う山道とやさしいウクレレ
沖縄でゆったりと聴く三線とギターの響き
Relax and listen to the sounds of the sanshin and guitar in Okinawa
「Sounds of Fall」- 秋の虫の音と優しい生ギター、気持ちが落ち着くBGM -
Sounds of Fall-Autumn insect sounds and gentle live guitar, calming background music
Gentle Bossa Nova by the Lake in November