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 0x4fb69a43e426c79ac0b43c7afd8505a5f3d2cedb8b00da4ae901f0e696864471. Chain 2 (Bitcoin): anchored in block 954513 (2026-06-20T06:31:18Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9e095bdd-d2b9-4593-8e7e-b0548b4df714.json and https://artists.proofprofile.net/proofs/artist/9e095bdd-d2b9-4593-8e7e-b0548b4df714.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 0x97fe3765e719e733183cb83e0337d453ac3aa1aac35dfee51abf7063c18ef8d8. 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/JPG601117302.
Japan Air Self-Defense Force Western Air Band
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc815ba93e36629fdd4f296439a1fd213964d261a3d1dd778bee18ec5eb190555. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/JPG600405202.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d5c246c53c286b26842ee8e18a0d1c5a1562eb4b745db3ec1b431a750e33dff. 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/JPG600405203.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf48669833250b1ba11c44fbceaa1980ff9c503a304a69e3db4b05845527bc183. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/JPG600405204.
Japan Air Self-Defense Force Central Band
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd39bd8385756e8b058cfbfadd7b6faad5733e5c8f307027b58cf92861f61d2cb. 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/JPG600912906.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x087a6b8d73547431040d6231747fa306ce74494367b6a90f8d739e22fa52fedd. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/JPG600912907.
2013 Midwest Clinic: Kagoshima Joho High School Wind Orchestra
Kagoshima Joho High School Wind Orchestra
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c70ac45b1b0123e1f06628fa954fb4414e527194fa55077e33b2f3c8fc8753b. 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/USVZX1325302.
El Cumbanchero (arr. N. Iwai for wind ensemble)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1eff8f7e3aa3c4308b645afa4160bf04d8bac0337fd7e92abbbb7dbcae74fa2c. 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/USVZX1325313.
Tokai University Takanawadai Senior High School Wind Orchestra
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab4d70d7195f3ed3da46811db59307309e379d569b9b25273787bf5568ebd0c7. 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/JPG600405105.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3924bb0f56707396d663c98c76834b37764455c067733fe86a270a3f5fef667b. 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/JPG600405107.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5513090527607e27fb566c2553375b003f326508a3299617ce6267833edbcac3. 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/JPG600405113.
Nagoya University of the Arts Wind Orchestra
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86ef7c052c5e679aa07eb75d2b852d48285867169aadba31714afa9fb7782811. 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/JPP591254405.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2feb2297be6ced6e7d818132ceb41dc49532120195d14318074b6d04e4fdf597. Chain 2 (Bitcoin): anchored in block 960229 (2026-07-30T08:30:10Z), 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/JPP591254404.
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 0xee2c572cf0007bebc709ce9a14ab896ada47a2a2a5dcf8eb881b5f6c3f8927e2. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/JPP591254408.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x235b294acdec92d2272eee85a620c4553f52c81a16fc6f58de72d8294427710f. 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/JPG600608104.
Selections from "Der Vogelhändler" (Arr. E. Suzuki for Wind Orchestra)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75e4dddfe50f235ba99fbdef42517581f6a180bd4aa679b0e1e971632ea12b49. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/JPG600608105.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x892d2a29f08e80089bfca6c9a30c07c36a068a10fa78078ec265dabeac3c650b. 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/JPG600608106.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6fb3a0bbd4992b746358dbaf719643ee76eb16b4e8e2f31b173862e07d27874e. 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/JPG600810913.
2019 Midwest Clinic: L.V. Berkner High School Symphonic Band I (Live)
Flight of the Bumblebee (Arr. A.O. Davis for Clarinet & Wind Band) [Live]
L.V. Berkner High School Symphonic Band I
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf580a78bba73559bfe41ebeebf32b342ddf90dd6ecde8ec6903126007364cd45. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/USVZX2002108.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x708c95740a131e5f5fb57819ab9bcd4307486b122cd5207a2df7cb50fbd76d69. 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/USVZX2002109.
Chingis Khan (The Land of a Great Promise) [Live]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3042eaf671f3cd7b7fd16e1ea71bb70e50c799e53db2660ad4435695f05f6ffc. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), 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/USVZX2002103.
The Seal Lullaby (Version for Wind Ensemble)
Florida Gulf Coast University Wind Orchestra
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa30e10ee9e6d37dc2ba4a33fc802030f5d40f03938ba942b712bd7b70957b80d. 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/USVZX1507205.
Die Fledermaus (Selections) [Arr. E. Suzuki]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf494db1667ee76056f79de88a416542a625113253cde6409a7701400f6f3747c. 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/USVZX1507212.
Die Fledermaus (Selections from an Operetta in 3 Acts) [Arr. E. Suzuki for Wind Orchestra]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc74d4b454c0e156ebeec03278de80e0502b381dcb598207401d9f2e2a7ad6bc7. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/JPG600709704.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7078db024c5be74b1168cc61f138b9079f38eb12a6db57b40e1d79876742417a. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/JPG600101601.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d07875b3e7a33184d899a06ef15ff6054e3d7ec6c4dc4ee63f97336ae88cfec. 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/JPG600101604.
THE ROMAN TRILOGY Favorite Past Alubums Volume 1
Mahler & Others: Works for Wind Orchestra (Live)
Carpenters Forever (After. B. Bacharach, B. Bramlett, R. Carpenter, F. Karlin, R. Nichols, J. Raposo & L. Russell) [Live]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x202231a58e1d29201c7a9f22913bd4173694b368427d2aaecca25f4208ee735c. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/JPG600608710.
2016 Midwest Clinic: Tamagawa Academy Wind Orchestra (Live)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x943bb82dab1e5d7114666efc8b09fddf1a3588c88f604a5c866373b270506af4. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/USVZX1702106.
Rachmaninoff & Others: Works for Wind Orchestra (Live)
2015 WASBE San Jose, USA: July 15th Repertoire Session – Pacific Symphony Wind Ensemble (Live)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc815ba93e36629fdd4f296439a1fd213964d261a3d1dd778bee18ec5eb190555. 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/JPG600405202.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d5c246c53c286b26842ee8e18a0d1c5a1562eb4b745db3ec1b431a750e33dff. Chain 2 (Bitcoin): anchored in block 958042 (2026-07-14T18:24:07Z), 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/JPG600405203.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf48669833250b1ba11c44fbceaa1980ff9c503a304a69e3db4b05845527bc183. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/JPG600405204.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd39bd8385756e8b058cfbfadd7b6faad5733e5c8f307027b58cf92861f61d2cb. 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/JPG600912906.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x087a6b8d73547431040d6231747fa306ce74494367b6a90f8d739e22fa52fedd. 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/JPG600912907.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xccd05828c269fd55c22d5f81e6841000f048f653cb1e2cc70b1fd8143d096a02. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/JPG601218103.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9918b57e351efd2abf6891cb2c6c16240733fa965f1f8e5c60f0261126935dc0. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/JPG601218110.
Japan Maritime Self-Defense Force Tokyo Band
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48d85cf7d0bc9fcf058c1d0e2dd3a8880a9b605e0abab35313ec578dec270453. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/JPG601320013.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c9b43e1b04f5147c39de396589aa835481ace61a8246a1be3fe5395cca5e991. 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/JPG601522801.
Konomichi - This Old Road (Favorite Japanese Melodies by Wind Orchestra Vol.2)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80363e4f8fa14e967448d5e552032a57846654b2e4a53bd4d8712ebf544427db. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/QZK6L2582723.