David Maslanka (August 30, 1943 – August 7, 2017) was an American composer of Polish descent who wrote for a variety of genres, including works for choir, wind ensemble, chamber music, and symphony or
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 0x1952b4463241621391545d63b3ad48ca78ca8fed59a76769818ee5e53653dbc2. 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/e6e6a5c2-78ab-430b-89bd-13c1cbce0804.json and https://artists.proofprofile.net/proofs/artist/e6e6a5c2-78ab-430b-89bd-13c1cbce0804.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Maslanka, D.: Wind Quintets Nos. 1 and 2 (The Missouri Quintet)
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 0x794b6078a7116147449fae3af2b20875329144b1e158f8c8a50c7a11a36cd77d. Chain 2 (Bitcoin): anchored in block 960459 (2026-07-31T20:22:46Z), 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/USAB10616607.
Symphony No. 8: Moderate-very fast-moderate-very fast
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8683e345dda592ab37e8a8c45ec5471197e0db897eeaee197fa6bdc46308d79c. Chain 2 (Bitcoin): anchored in block 959003 (2026-07-21T11:57:43Z), 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/USAB10913206.
Inner Visions: The Music of David Maslanka (Live)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd8702b2139b4f7f8e4327429f8fa255f9ba5c21ceae84833363f5c578096431. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/USVZX1027401.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa17298b5bd82a995ad05ac7f84d6cd572a072537a16196c572d8e6dac77e2a9f. 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/USVZX1027402.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3074cf0d83d6fd74f6bb63514281535cd09b8bdd644b38ed7b6778309b16d19e. 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/USVZX1027403.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ace1167caa43c4dcadeb5f7c70b9448e60822705084af7c1c563733cf7be350. Chain 2 (Bitcoin): anchored in block 960360 (2026-07-31T06:42:11Z), 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/USVZX1027404.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7da2e0e1d0ab97ad411625c1fc3da42f6d313002656ef38aef50f8db287e6a2e. Chain 2 (Bitcoin): anchored in block 960291 (2026-07-30T18:23:33Z), 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/USVZX1027405.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf854fd418f047c249df4af06336129252c45c2399a39c8a6f815f2614afb5735. 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/USVZX1027406.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b07535a20e8e1e1d8f6922d5b421bdd3201d0f891b9dbee2a2b73f83f4839b9. 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/USVZX1027407.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9d8b4a975ebb239bf659d50f4ee4cba1b52e4d3af12edb078927ed340206fe5. Chain 2 (Bitcoin): anchored in block 960095 (2026-07-29T11:07:37Z), 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/USVZX1027408.
A Child's Garden of Dreams, Book 1: I. There is a desert on the moon where the dreamer sinks so deeply into the ground that she reaches hell
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3390981323b38e739885b40220cd770fd06ce32c5b0f357dcf56e60c10d0ecbb. Chain 2 (Bitcoin): anchored in block 958992 (2026-07-21T10:12:17Z), 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/USFKZ0611340.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x19ab5559dcc0c1a51561c7d1346a879345a8e67966c1c6bbcfcb731058287884. 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/USFKZ0611346.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9492911012390d391a2f137555bf61913cf0254ff415f3b35b6c9f6a468cfe2b. Chain 2 (Bitcoin): anchored in block 958455 (2026-07-17T21:28:36Z), 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/USFKZ0611347.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9405db434980676323673f06ff0285d92b36840e834208f71d6cfa7154ea1ed. Chain 2 (Bitcoin): anchored in block 958567 (2026-07-18T15:22:40Z), 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/USFKZ0611348.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3acf7f571f1d4f7fa8d6e0308e8fb1997d850cac655f9fa2a1285ba7388b34f. Chain 2 (Bitcoin): anchored in block 958621 (2026-07-18T22:59:44Z), 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/USFKZ0611349.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa77a0bddf60e50c5d3f63ced548c0e937f8ce2ce81b80c3e1d87733b5111dcc9. 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/USFKZ0611350.
A Child's Garden of Dreams, Book 1: I. There Is a Desert on the Moon Where the Dreamer Sinks So Deeply into the Ground That She Reaches Hell
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3390981323b38e739885b40220cd770fd06ce32c5b0f357dcf56e60c10d0ecbb. 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/USFKZ0611340.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x19ab5559dcc0c1a51561c7d1346a879345a8e67966c1c6bbcfcb731058287884. 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/USFKZ0611346.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9492911012390d391a2f137555bf61913cf0254ff415f3b35b6c9f6a468cfe2b. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), 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/USFKZ0611347.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9405db434980676323673f06ff0285d92b36840e834208f71d6cfa7154ea1ed. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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/USFKZ0611348.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3acf7f571f1d4f7fa8d6e0308e8fb1997d850cac655f9fa2a1285ba7388b34f. Chain 2 (Bitcoin): anchored in block 960429 (2026-07-31T16:07:24Z), 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/USFKZ0611349.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa77a0bddf60e50c5d3f63ced548c0e937f8ce2ce81b80c3e1d87733b5111dcc9. 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/USFKZ0611350.
David Maslanka: A Child's Garden of Dreams
The Music of David Maslanka, Vol. 2: Concerto for Clarinet & Wind Ensemble
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x433cc2400bcc55b4ca4e5a3b2f8121c4b321e96c5a72bd32468dacdb0232bd4b. 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/USVZX1510705.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x433cc2400bcc55b4ca4e5a3b2f8121c4b321e96c5a72bd32468dacdb0232bd4b. 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/USVZX1510705.
The Music of David Maslanka, Vol. 3: Hymn for World Peace
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc9f2a67aeafeb35b772dad2e4d8cfba1a9a423ad05b037dee6a03bac7165d15. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/USVZX1711401.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67c790fa555bab95cec4f435a09cc116f1e77e4a096c0bf62be660f8beaea124. Chain 2 (Bitcoin): anchored in block 960389 (2026-07-31T10:20:10Z), 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/USVZX1711402.
UFO Dreams: I. Fantasy Variations (The Water Is Wide)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd1463386c0ebf50ea78b6d12d17e12c887020a752478f59cd01ad5a7fd2111f7. 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/USVZX1711403.
UFO Dreams: II. Home Planet (Where Do You Come From? Who Are You?)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x650066f95e29e1300bd9118312016427af24fb4bbebe5a14668e8f4dfe09328d. 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/USVZX1711404.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x839e29d1ff0c29223a573aaad5bf18e0ff3ed58815d72e75dc2bb106d69b5607. 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/USVZX1711406.
The Music of David Maslanka, Vol. 4: Symphony No. 10
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4230bc4b9279808609196568278cf9a4c36c4640beac9b72a3485e2496d33da. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), 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/USVZX1819701.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd67206baba0fe2b3b9c955f76921dbaae7cb7356000bda11ceba48afb7b5ab56. Chain 2 (Bitcoin): anchored in block 960199 (2026-07-30T02:30:29Z), 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/USVZX1819702.
Tone Studies: The Saxophone Music of David Maslanka
The Music of David Maslanka, Vol. 5: Mass
Symphony No. 10 "The River of Time": I. Alison
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a5889b62c8901b68d08e28aab47439b654aef303e151bbe7db17579cbc7eff3. Chain 2 (Bitcoin): anchored in block 960337 (2026-07-31T02:51:48Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USPMZ1916107.
Symphony No. 10 "The River of Time": II. Mother and Boy Watching the River of Time
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42a7e8b057f66a91e2e75bb9684c0d171f133014d10e5b4498f6093e42de0863. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/USPMZ1916108.
Symphony No. 10 "The River of Time": III. David
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x068ed6f2cad62526d5a7fedf62b0217b262681e84420861b7252320772ce726c. 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/USPMZ1916109.
Symphony No. 10 "The River of Time": IV. One Breath in Peace
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xefb5bf11c388953da14c31b9162b8c53e8af538804e0fd7e972006267b1d36a4. Chain 2 (Bitcoin): anchored in block 960389 (2026-07-31T10:20:10Z), 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/USPMZ1916110.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9396d7b06b7a708db1fe9cbe68d675e912d32ef5a713888b6cfb822ba913815e. 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/GBJZY2056301.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc0dfc4c0c56896fd2e06e0895f2c046bc6a704ff6b453cb0c17c372804bd607. 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/GBJZY2056303.
The Red Door: Clarinet Works by David Maslanka
Recitation Book: V. Fanfare / Variations on the Chorale Melody Durch Adams Fall (Through Adam’s Fall)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e35efcf0ac0c3989b3b7397f2d36f7961f5251cd8c5ab49e2fceabe7f79afad. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/US7851200061.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd5bcdf365315d702f1b8f2210445e674c4cad742f2da891b30a39817e60b819. 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/NOCJB1700919.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21974ad3d7f710553d461e991b5d6f4d822c1a55e8eaf4e426ea01f521b67626. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/NLC351217904.