Tine Thing Helseth ( ; born 18 August 1987) is a Norwegian trumpet soloist specializing in classical repertoire. Career Helseth was born in Oslo. She started to play trumpet at the age of 7 in a sc
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 0xb01d8dcb755a0357ccbb95e5096389f447c46b18961db7f241560ed67ea9470b. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d5f86655-7787-4f13-8b37-97d481cd67aa.json and https://artists.proofprofile.net/proofs/artist/d5f86655-7787-4f13-8b37-97d481cd67aa.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Albinoni: Concerto In B Flat, Op 7 No.3 - Iii Allegro
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 0x46a56df9eda9f85d2b809c1bd11dc5de2b8b5173ff465c641523c74960d10555. 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/NOFZS0792060.
Rachmaninov: 12 Romances, Op. 21: No. 7, How Fair This Spot (Transcr. for Trumpet and Orchestra)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x66dd12446c44513b92d5d5272fabdb8551894b4b497ceee9608b7943423adfdd. 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/GBAYC1103162.
Delibes: Les filles de Cadix (Transcr. for Trumpet and Orchestra)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1d52a1e63d2d44e07f1f68e69a012559b0357ec7db3e92c9baa42d148d9256b. 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/GBAYC1103164.
Korngold: Die tote Stadt, Op. 12, Act 1: Marietta's Lied. "Glück, das mir verblieb" (Transcr. for Trumpet and Orchestra)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb54ff5c496b3d4a8d97b04fe3123ee87a83ad62a238441eacbfaa5fe1d0b6b90. Chain 2 (Bitcoin): anchored in block 959094 (2026-07-22T03:33:16Z), 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/GBAYC1103170.
Dvořák: 7 Gipsy Melodies, Op. 55, B. 104: No. 4, Als die alte Mutter (Transcr. for Trumpet and Orchestra)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab4db3edce86b919406b4cc9991c156b03c66e5124544e3103fbc3ce85ccf6bf. 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/GBAYC1103163.
Rachmaninov: 14 Romances, Op. 34: No. 14, Vocalise (Version for Trumpet and Piano)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x040e414e41afebfd4c80ce335777c697b7249eac2e023e9e91754880c7cd68a6. 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/GBAYC1204957.
Concerto in C Minor, S.Z799: Adagio (Arr. Johann Sebastian Bach & Tine Thing Helseth)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa42d60ed6e6c8afbb3629c5b05ee62636df64c0e484f8c201787ceb39e3c23c4. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), 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/NOEHX2107030.
Fanfares et Simphonies: Rondeau (Arr. Sue Mitchell Wallace & John Head)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x615839de2fc9acab85d4fb389e88b1002b144bc3709240d7d56e52becebbc680. 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/NOEHX2107120.
Concerto for Trumpet and Strings: I. Allegro moderato
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4bc49ce253d93e4e59c2f3c29c0c5eb75c51f9df7d0967a6c578686d7a4940c2. 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/NOEHX2220010.
Concerto for Trumpet and Strings: II. Scherzo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a7616896b6b3d4cac2eaab74210f14bd3c87ee7e5dbdd3c4135348fa8315990. 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/NOEHX2220020.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56f1ae564ef89b0544d809d440001ad72dff88a0a1c945592f079c67c832fa57. 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/NOEHX2220090.
Les chemins de l'amour, FP.106-Ia (arr. for Trumpet and Ensemble by Jarle Storløkken
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07fe00118c2fb1908301d0d53ac55bd2ca6ff88ea5b2fd408128db220775282d. 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/NOEHX2220100.
2 Nordic Melodies, Op. 63: II. Cow Call (arr. for Trumpet and Ensemble by Jarle Storløkken)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x66f484508bd49d2d56eb17cac68c550d2080c0f94f4ed2673c9b64fed7dd50d9. 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/NOEHX2220110.
Concerto for Trumpet and Strings: III. Elegia
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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
Concerto for Trumpet and Strings: IV. Allegro agitato
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbcdc82de9c682bff6dc0ef9f83611de991ca31a0cba2b11c677ea39c9ede44fe. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), 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/NOEHX2220040.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9700f218ea58e275c9bf7899a5ce2b8179dcd68d412bd0de5cd0cdb7cad3215. 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/NOEHX2220050.
Je te veux (arr. for Trumpet and Ensemble by Jarle Storløkken
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f36efb658af9456778b93c31bdc94c28323b441cbf789d7d486a4e5b297aec4. 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/NOEHX2220120.
Echoes: Trumpet concertos by Arutiunian, Penderecki and Weinberg
Grieg: The Mountain Maid, Op. 67: No. 6, Kidlings' Dance (Version for Trumpet and Piano)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x522d79f1a2576163791ed245897b36c4d4246ad7330aed2c81622c3b81c062e4. 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/GBAYC1103177.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56f1ae564ef89b0544d809d440001ad72dff88a0a1c945592f079c67c832fa57. 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/NOEHX2220090.
Piazzolla / Arr. Storløkken: Estaciónes porteñas: No. 3, Invierno porteño
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c09c0b24147496f32b3c6b519c7186720d4337ca339c279e629615ce8a84bac. Chain 2 (Bitcoin): anchored in block 960108 (2026-07-29T13:09:35Z), 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/GBPFW1100512.