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 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 0xb09c0377493e7ab2903e7f76cb1c530b51a92f0a2317901943aca3a3774345aa. Chain 2 (Bitcoin): anchored in block 953633 (2026-06-14T12:47:11Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3420c8ef-18df-4bcc-a153-cba050708a20.json and https://artists.proofprofile.net/proofs/artist/3420c8ef-18df-4bcc-a153-cba050708a20.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
Dinka Gospel song|Yeŋa bï wël ku lueel, yeŋa bï piɔ̈ndu looi??? (YENGA BI WELKU LUEEL)
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 0xf6899a6babcf684d2440531c4d87a2445bfeb98451540da3f917981e6843afd9. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T17:49:48Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTAT2105587 — a six-check JSON result.
ŋa ye rëër në Bɛ̈ny lɔ̈ɔ̈m ŋa bï Mëlëk luɔ̈ɔ̈i
pääckë, pääckë, rem de tɔŋ cï kuɛ̈ny bei
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16ea97924af21f0c106c5bdfc9f956bc14cfb6904ab0b8442d2ee8435bb312c7. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFYY2298347 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde98c590976261a1dea515f1f80775a2c89c2b7c29fbe581600a8069a62101d3. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFYY2298350 — a six-check JSON result.
Yecu Bɛ̈ny ee bɛ̈n në pinynhom bï cieŋ kënnë wuɔɔk
DINKA GOSPEL SONG _Yïn cï dhïɛ̈th go kɔc ëke cï cuɔl ke kum piɔ̈th
Krithanooi yukku leec ku yukku pionde looi
Gɔ̈c de kɛŋ̈ ee ciɛkkë Nhialic nhial ku piny
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x822945774f6df63fdc06a2b02c7ff88eaeb2920d5dbb6304eccaab326fcbcdd7. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFZ42281951 — a six-check JSON result.
Ɣɛn ŋääth Mathïɛ̈i mɛn cï dhiɛ̈ɛ̈th në nyan cï thiei
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x465872fc0ea767417a060c7184507bf40c89ad55db9b9e47de01abed9e82ebc2. Chain 2 (Bitcoin): anchored in block 959123 (2026-07-22T11:35:32Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFZ42295825 — a six-check JSON result.
Athiɛɛi cï miaac acïï ye teet,Yen Awä paannhial
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9dfde968e7d1bd64028469a058624f1eec4fcf23b51f3f0718bcdde26e110fab. Chain 2 (Bitcoin): anchored in block 958860 (2026-07-20T09:58:28Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZES82296923 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa2634b57333e6ac3eb2243d43e4a5a4f7c60ae8cea5fe96444921aa09ffc8a8. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZES82296924 — a six-check JSON result.
DUOOR DE DIET JOT 2024 Dinka Gospel musics
Dom dun xon cei com ace louk gai mannuel
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc656593e1698762e6ba655d9692b1c2394f5eb4d81de5cf4b6b37e9758b1a8a2. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHN72432825 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf1be2215b6833b82e163650ece62ef3f728f00d05764829df3e0853266bbbb8. Chain 2 (Bitcoin): anchored in block 959118 (2026-07-22T10:01:58Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHN72432826 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f608fa9753728eea88a48e09dc518691720106cddd3112b02c1162ee35ed8e2. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHN72432829 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xebd888469fc029d4c7e60c28b2b6ec1f9eda10fd06390d2b6bb5f635bdc9be81. Chain 2 (Bitcoin): anchored in block 958576 (2026-07-18T16:22:28Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHN72432833 — a six-check JSON result.
DIET KE MATHIRA COLLECTION 2024 VOLUME 2
DIET KE DUOOR_soft_songs_ 2024 Album VOLUME 3
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13adf506bc944109a65cd6dce501d8b1b939fff97ba02c301e59262c0ccd34eb. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6P2493712 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9896a6ae4c94f74bc412e2ac1fa0d12288c394298fd8c760312e96e7aaff9075. Chain 2 (Bitcoin): anchored in block 959118 (2026-07-22T10:01:58Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6P2493716 — a six-check JSON result.
Krithanooi cɔkku ɣɛɛr de Bɛ̈nyda ye tɔ̈ në_2
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7821d27d1c31085ecbfdd64b1a606e5a88593d56062b2ae7d61ea10e0cb37af3. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6P2493728 — a six-check JSON result.
Dinka Gospel songs collection volume 3 (Ɣɛn nɔŋ piɔu bɛn në yeköölë collection)2024