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 0x6e778da5da1511f8a00bc7698bc57d96197f6f098793f76473b0bdb97368702d. 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/bf43a285-1a0c-44b4-b80b-e7a59ba11904.json and https://artists.proofprofile.net/proofs/artist/bf43a285-1a0c-44b4-b80b-e7a59ba11904.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 0xed6555ea4dcf9b583d8527fb0db42e0662303c77514cd3cb44bef24ff2d2f1c5. 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/DEF066201600.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce27730e6ec49b7830f96db7c8df520a90deb988c7a5f1564b21b4deb51e2950. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/DEF066201650.
We Wish You A Merry Christmas / Jingle Bells / Where Did My Snowman Go - Medley
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf5ed3e3c73ec5f31aa0b9640bd7527ecabec638d7796044d6013a02c784c65cb. Chain 2 (Bitcoin): anchored in block 958194 (2026-07-15T20:32:27Z), 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/DEUM71203436.
Rudolph The Red Nosed Reindeer / Have Yourself A Merry Little Christmas - Medley
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x244bac3bb656d783d1d7f186afa0c136f96059c8de185db8be2c199d7c9a8bdd. Chain 2 (Bitcoin): anchored in block 958607 (2026-07-18T21:01:11Z), 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/DEUM71203437.
The First Noel / Silent Night / Ding Dong Merrily On High - Medley
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30e9b63932462c87bd73f0839e691ef3efa78baf2d62cd4f7b38d89c4c7c62fd. 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/DEUM71203438.
The Little Drummer Boy / December Dream - Medley
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe12845a6f1d9a5e3cc9a3a1f79d53f581cbfc2641d2fcfa31b18332b458097a3. Chain 2 (Bitcoin): anchored in block 958924 (2026-07-20T21:22:39Z), 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/DEUM71203439.
Winter Wonderland / The Season Of Winter - Medley
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x468756186b216bba11c5f725a7a33ee11eeb116ec3677d1ab1043e06949c2df5. 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/DEUM71203440.
Once In Royal David's City / The Holly And The Ivy - Medley
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x762965ab670c2393edb15476268e656da287eb4b2e9d7e892785ecf1cb8b9a10. Chain 2 (Bitcoin): anchored in block 959061 (2026-07-22T00:22:44Z), 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/DEUM71203441.
Happy Holiday / I Saw Mommy Kissing Santa Claus - Medley
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5302ae75e84db127001cea0f48e8e6f0e1782e5bd7ba2f06d437c33bf9cc480. Chain 2 (Bitcoin): anchored in block 958461 (2026-07-17T23:18:11Z), 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/DEUM71203443.
Mistletoe And Holly / Let It Snow, Let It Snow, Let It Snow - Medley
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa37d554422eff2c2120b930ec9bd36c6dae36d7837c4b929a1aac6fdea5a8d94. Chain 2 (Bitcoin): anchored in block 959047 (2026-07-21T20:06:14Z), 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/DEUM71203445.
Christmas Alphabet / White Christmas - Medley
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb80181914397107b07bee96b5da803c93a5259689a61acde593489455d282f3. Chain 2 (Bitcoin): anchored in block 958480 (2026-07-18T02:58:58Z), 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/DEUM71203446.
O Come, All Ye Faithful / God Rest Ye Merry Gentlemen / Hark The Herald Angels Sing - Medley
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd499b1d37fbf4d2d5cf372d39a27ad0d8a122dd3e8752ba0ed3e80e4a4787592. Chain 2 (Bitcoin): anchored in block 958633 (2026-07-19T00:54:50Z), 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/DEUM71203447.
Put A Little Love In Your Heart (Expanded Edition)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42b83a4480b0aa2e88bf292f6d830d9a2de2f7e968824ff263f1ffb55a819e89. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), 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/DEF066916170.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7881f786ae076233b13ebaf26f3f5b0fbe58f580a0fc15209a5a64686f935fe. Chain 2 (Bitcoin): anchored in block 957882 (2026-07-13T16:48:10Z), 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/DEF066916390.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x612524fc90e981ee94c78b132ab8fc2b0e24f837725cfa6f86a755d3f4d633e9. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/DEF066916420.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc1a7c4365b5864d97ce4a810db262f2775c78830f0885e406c632ae541fcbf5. Chain 2 (Bitcoin): anchored in block 958568 (2026-07-18T15:23:47Z), 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/DEF066917000.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3bdefa3fcea1ce95bacfca7f80d4a205a055a5e1000e98b221d84b8e22f0084d. 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/DEF066916410.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd55f43f0a6ea1dc59f957022aa16738a709cecd808c4e4e7576377d9592889e7. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/DEUM70906029.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x990719661b0848489a72f0304165d9b9455486273563377f5ffc0ad9072426c8. Chain 2 (Bitcoin): anchored in block 958390 (2026-07-17T09:35:49Z), 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/DEUM70906031.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3fabf0e6bf278e7f30283556678e35c4f6f70c04ac562a79b775758f76bb60d. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/DEF066917030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa87941b5ac3cd2a2f441fdf26fb301c2f4f8e25a29b74ee5900050f9470b531e. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/DEN120205152.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4a07698d4fee541b378cc8b407d48981f788e95d2d2a0dd68202a207272907b. 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/DEF066916250.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40edc359d4391960593ab531747dc655a6c8f4477d2c96f271ddfc4c16d6914e. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/DEUM70906030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0b588eac60ccce1fc424846bf331fa4c7ca0c56078e6dfe5610a1bcf388e243. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/DEUM70906032.
A Time For Us (Love Theme From Romeo And Juliet)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2541ef0d9e8fa4bdf4e39a5a70e29cf4461d7f2c74e507013365cc49fc7ec2ae. 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/DEF066916400.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09a1b3ca095ca12d54d8bd0fe372b6888c96a55ecca53736c9ff95760b261e10. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/DEN120205154.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x459b0960d1abae4a00912930931bb94a11e3b76430d975ee7b1ce0c9f0e52231. Chain 2 (Bitcoin): anchored in block 958798 (2026-07-20T02:47:11Z), 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/DEUM70906033.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x205f4119d8d8d4deb18a621ae56f5aa305e3ae07588746c34d03712453cb54ad. Chain 2 (Bitcoin): anchored in block 958373 (2026-07-17T06:09:33Z), 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/DEF066916200.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92ac6e02a69965437d431e422fde69da33e4fe5a6004541f0af18fdc08b0dd7a. Chain 2 (Bitcoin): anchored in block 958796 (2026-07-20T02:10:16Z), 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/DEF066917050.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb89f9121ba8be241e9410daf51c51cbc25acac78924f8cc9f4a32e851e362741. Chain 2 (Bitcoin): anchored in block 958918 (2026-07-20T20:24:34Z), 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/DEN120205206.
The Gunter Kallman Choir Live in Concert (Live)
Daydream - Best Of The Gunter Kallmann Choir
The Merry Widow (Die lustige Witwe) / Act 1: Einleitung
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x090c8a193963e2b49bd90d028efc68ae63e951f963a2cb43ff07b061dde96d10. Chain 2 (Bitcoin): anchored in block 957020 (2026-07-07T09:18:01Z), 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/DEF066814720.
The Merry Widow (Die lustige Witwe) / Act 1: Wenn Beifall dieser Abend findet
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x696e1be377d7ce11803c0dd7228cadbfa7ec24aa1facb76edd8e0335c814b788. 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/DEF066810510.
Gräfin Mariza - Operetta in 3 Acts: Höre ich Zigeunergeigen / Wo die Liebe wohnt
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb1d9b2bbfbb09287635fd04ac7983e29c67a2464e8e5e2b7c446e39039cdb03. 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/DEF066814700.
Schwarzwaldmädel - operetta in 3 Acts: Einleitung - Wir sind auf der Walz
Der Vogelhändler - Schwarzwaldmädel - Der Vetter aus Dingsda
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0511508dab2e05ccce0e4add8ecf1421c0738f84cb772d6a210c0d291f928bb7. 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/DEF066412400.
Maske in Blau: Schau einer schöne Frau nicht zu tief in die Augen
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4266ddd091ec6c2a82d1b262a3eeacdee1872e0a8f47eab77a24d1677f7919dd. 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/DEF066407370.
Das Land des Lächelns: Meine Liebe, deine Liebe
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6fb3cdb7a2faa85722945671c4b7cd6754f893dc88491799fc1beb88fb839a56. 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/DEF066802440.
Schwarzwaldmädel - operetta in 3 Acts: Mädle aus dem schwarzen Wald
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc684ed56862b045e793e1ce35f439d262401037d0008e1330e235feb34102bd8. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/DEF066412430.
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
Frau Luna: Einleitung - Schlösser, die im Monde liegen
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3d377b4f051a33eca831fe920f70bd9dca3704a329454591abe3db04d416f97. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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/DEF066205250.
Gasparone - operetta in 3 Acts: Er soll dein Herr sein
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3021719cfa65a9e69596af85fb71dfef544286f2a694297e746185c512bb12c6. Chain 2 (Bitcoin): anchored in block 960383 (2026-07-31T09:50:37Z), 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/DEF066307750.