1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 0x7f330537d970ed7a07b3d8d4219fc1c66aa08d0bb34e2c7cdb84fb3687c965d3. 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/2d5fe7a5-d602-43b1-983e-8b36ff45002a.json and https://artists.proofprofile.net/proofs/artist/2d5fe7a5-d602-43b1-983e-8b36ff45002a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x11bfc2a027b8d1d307c4550d955adb388dd338badde240cbd66ab7e090ee4912","isrc":"NLG620560847","name":"Brandend Zand","registered_at":"2026-06-06T09:41:52Z","spotify_id":"2vqCmSgirQbHXJpkVRQjU0","type":"track"}
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11bfc2a027b8d1d307c4550d955adb388dd338badde240cbd66ab7e090ee4912. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2vqCmSgirQbHXJpkVRQjU0.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2vqCmSgirQbHXJpkVRQjU0.
{"copyright_id":"0x7ad074127d7b133d09504634e5b204174721e8deafa1fe342e394660568de135","isrc":"NLG620560864","name":"Hou Je Echt Nog Van Mij Rockin Billy !","registered_at":"2026-06-17T21:36:46Z","spotify_id":"32MfolngBWl0RVIOfWDIIu","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ad074127d7b133d09504634e5b204174721e8deafa1fe342e394660568de135. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/32MfolngBWl0RVIOfWDIIu.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/32MfolngBWl0RVIOfWDIIu.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe84b106624872bc4cc6c16468ce58505e13bc437143d4c0a06dfb330dc99e98. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2hQDBXr0EkDc3vlP3IigNf.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2hQDBXr0EkDc3vlP3IigNf.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x343449aaf54f1500eb4b3d2c830ad93d86b6bda8c7d741b1724383f0202efaad. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1q8BkBdleysfnUhxISo489.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1q8BkBdleysfnUhxISo489.
Weet Je Nog Toen: Liedjes uit de Vijftiger Jaren
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d975ddd3f17f02b0f39d12f5fe0b557a4cd1ab487cda18e46ecdf25ff3c6f05. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7DrfK6ym6qtQsDYVIJGawL.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7DrfK6ym6qtQsDYVIJGawL.
M’n eerste (het meisje van de zangvereniging)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b7f9d7414b7dd307e2dac5982b3842567252a033baf8f6dd0902e8665f0298c. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7tEFExGSLyqck1uXUr511P.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7tEFExGSLyqck1uXUr511P.
Er hangt een paardehoofdstel aan de muur
20 Hits Van De De Jaren Vijftig, Volume 5 (Dutch Hits from the 50's)
Song from Moulin Rouge - The homing waltz - Terry's theme
20 Hits Van De De Jaren Vijftig, Volume 6 (Dutch Hits from the 50's)
Walking my baby back home / When I take my sugar to tea / Botch-a-me
{"copyright_id":"0x2eba278e659f37689b36a13db7d74ddf669e1fcda79eff9bd0e868b1155715a9","isrc":"NLA306800175","name":"Mooi Amsterdam","registered_at":"2026-06-10T06:35:34Z","spotify_id":"2vzoWzmjgs4SyPwv4VBqC6","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2eba278e659f37689b36a13db7d74ddf669e1fcda79eff9bd0e868b1155715a9. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2vzoWzmjgs4SyPwv4VBqC6.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2vzoWzmjgs4SyPwv4VBqC6.
Annemarie - Alternative Versie / Live In Nieuwe De La Mar, Amsterdam / 1964
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x285caeea1d8d9d8c2ef04747c6c12c1a8c2208064275c25c4bb273a77113a101. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5nMH5AcL9gVcKnMOpm34ib.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5nMH5AcL9gVcKnMOpm34ib.
{"copyright_id":"0xc4ea215a937429beecf278bacc3c9f32932a9a78a5f9c8dd0ddbf10f083acf17","isrc":"NLA309600272","name":"In Een Rijtuigje","registered_at":"2026-06-08T14:05:20Z","spotify_id":"175taXyDagB49PilivzL86","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4ea215a937429beecf278bacc3c9f32932a9a78a5f9c8dd0ddbf10f083acf17. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/175taXyDagB49PilivzL86.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/175taXyDagB49PilivzL86.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1cf6738b9051c0feba2b921507cdd7dc39549db3940a8cc4cdd4f66352a9171. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6rKFMksV7m2Rm5gbr8DUSm.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6rKFMksV7m2Rm5gbr8DUSm.
Uit 'Mies In Carré': Overhandiging Geldbedragen / Poen
Wim Sonneveld Met Willem Nijholt En Corrie Van Gorp II
De Ballade Van Het Leven En De Dood - Live
Hoogtepunten Uit De Film Wim Sonneveld Op De Hollandse Toer
{"copyright_id":"0xaa553fdb44d4d1bd7a175c2a689808af5dd1726354c43e7efac7dbb869a98945","isrc":"NLA307200106","name":"Burgemeester Beekmanlaan","registered_at":"2026-06-26T14:35:13Z","spotify_id":"6X9tujvIYsk83Zlj7cGwr7","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa553fdb44d4d1bd7a175c2a689808af5dd1726354c43e7efac7dbb869a98945. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6X9tujvIYsk83Zlj7cGwr7.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6X9tujvIYsk83Zlj7cGwr7.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f761e095819b24fae5a094aee4634c77f22b21f056a1e5c6826846b468309d6. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2LVUWGZp6IuU74WyMqIZ5F.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2LVUWGZp6IuU74WyMqIZ5F.
{"copyright_id":"0xaca07a754c1726b55a35ba7b66def2da7b20f1dfbc525e664176885d0af86f54","isrc":"NLA307200065","name":"Loflied Op Dora","registered_at":"2026-06-24T06:58:27Z","spotify_id":"2NVIjFwRZNTSHI9WtyWIic","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaca07a754c1726b55a35ba7b66def2da7b20f1dfbc525e664176885d0af86f54. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2NVIjFwRZNTSHI9WtyWIic.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2NVIjFwRZNTSHI9WtyWIic.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc149a67c9566bab0416d557b18349d96c35547f43de8d3db5b2c3b332b4b25ea. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3q0a21nZ31rOAk5p3UQaRG.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3q0a21nZ31rOAk5p3UQaRG.
{"copyright_id":"0xeb1f2dcdd55f9e14342b4fe43bbfd9bbbee8facd71c4ee0be40e0a4459294874","isrc":"NLUM71500417","name":"Moeder, Ik Wil Bij De Revue","registered_at":"2026-06-24T03:41:31Z","spotify_id":"3CX0LV20jyaJBCp4w7xzXv","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb1f2dcdd55f9e14342b4fe43bbfd9bbbee8facd71c4ee0be40e0a4459294874. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3CX0LV20jyaJBCp4w7xzXv.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3CX0LV20jyaJBCp4w7xzXv.
Wim Sonneveld Met Willem Nijholt En Corrie Van Gorp I (Live)
Conférence 1 - Live In Nieuwe De La Mar, Amsterdam / 1971
Oh, Oh, Oh - Live In Nieuwe De La Mar, Amsterdam / 1971
De Pispaal - Live In Nieuwe De La Mar, Amsterdam / 1971
Daar Ben Je Mooi Klaar Mee - Live In Nieuwe De La Mar, Amsterdam / 1971
Conférence 2 - Live In Nieuwe De La Mar, Amsterdam / 1971
Wees Een Clown - Live In Nieuwe De La Mar, Amsterdam / 1971
Conférence 3 - Live In Nieuwe De La Mar, Amsterdam / 1971
Good Evening Folks - Live In Nieuwe De La Mar, Amsterdam / 1971
Waar Heb Ik U Meer Gezien - Live In Nieuwe De La Mar, Amsterdam / 1971
Niet Goed Bij D'r Verstand - Live In Nieuwe De La Mar, Amsterdam / 1971
Vliegen - Edit / Live In Nieuwe De La Mar, Amsterdam / 1971
Sterreclame - Live In Nieuwe De La Mar, Amsterdam / 1971
Telefoneren - Live In Nieuwe De La Mar, Amsterdam / 1971
Op Losse Schroeven - Live In Nieuwe De La Mar, Amsterdam / 1971
Welverdiende Rust - Live In Nieuwe De La Mar, Amsterdam / 1971
Latijns Amerika - Live In Nieuwe De La Mar, Amsterdam / 1971
Dreutels Symphonisch Orkest - Live In Nieuwe De La Mar, Amsterdam / 1971
Stalmeester - Live In Nieuwe De La Mar, Amsterdam / 1971
Een Mens Wil D'r Wel 'Ns Gelukkig Zijn - Live In Nieuwe De La Mar, Amsterdam / 1971
Moeder - Live In Nieuwe De La Mar, Amsterdam / 1968
De Jongens - Live In Nieuwe De La Mar, Amsterdam / 1968
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea0760a39020b49f898e3fbf2e9b9bda2e767734f22004c0ebd7ab6f326a1314. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4HWOyz21zZDbHe3mMukrFJ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4HWOyz21zZDbHe3mMukrFJ.
Kun Je Nog Zingen: Volksliederen Minnaars - Live
Ik Zou Nooit Iets Anders Willen Zijn - Live
Er Was Eens Een Mijnwerker In Geleen - Alternatieve Take 1963
Mijn Vader Heeft Het Nooit Begrepen (O Ik Weet Niet Wat Ik Wil / Paris) - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4718c7a7467ceec62ea3b660357e29473b2bca4ec75040f056361b9a9f66d924. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3nKG65RDjp5GmcviPhShzK.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3nKG65RDjp5GmcviPhShzK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x684c9710fa8c51f6da5ad8ffcd207d54c8514715f92e478ceaa953a76d4a477b. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2gl3EDmLh9ILM1PDac5ICa.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2gl3EDmLh9ILM1PDac5ICa.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe44b05015c0a945acba2189509d28268bb382e8026bcb58253df5c791c887266. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7nnjpu2Cbh9DUdSSp8hFJA.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7nnjpu2Cbh9DUdSSp8hFJA.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8383f29d137c7fd9f60ad4c076b35cc096e8cc92f2e1bfb4a12e1210060379d7. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1QQBqbOCQHEqIVFUKxo0Hd.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1QQBqbOCQHEqIVFUKxo0Hd.
{"copyright_id":"0x1d87f2ed1b85030374d553ccffe1838447f09beebeef1ecaada76096f8331a52","isrc":"NLA306300037","name":"Drie Schuintamboers","registered_at":"2026-06-26T15:10:31Z","spotify_id":"3PbeJFqUAR5kZSwrlxW69u","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d87f2ed1b85030374d553ccffe1838447f09beebeef1ecaada76096f8331a52. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3PbeJFqUAR5kZSwrlxW69u.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3PbeJFqUAR5kZSwrlxW69u.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc8f11e4e384c0d65ac9206ed864714a6cad481fef41421613be40c46f026f48. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4a0A5SvdF5UJgJtD3UydVA.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4a0A5SvdF5UJgJtD3UydVA.
Een Zwoele Nacht In Krimpen Aan De IJssel
{"copyright_id":"0x4845a4510e7108d63a7df2c512e824d6a085eed51ae38b2fbd93da5253b166a1","isrc":"NLA306300052","name":"Een Zwoele Nacht In Krimpen Aan De IJssel","registered_at":"2026-06-18T11:02:45Z","spotify_id":"7bpEkPolGarh242vGOfxU8","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4845a4510e7108d63a7df2c512e824d6a085eed51ae38b2fbd93da5253b166a1. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7bpEkPolGarh242vGOfxU8.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7bpEkPolGarh242vGOfxU8.
Wim Sonneveld Interviewt Godfried Bomans
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14e28262429888127daa8fe7bd505d5077781e08442211f52be6adc11c92cec1. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6hnfuhyOHG31ZawNxCzp2g.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6hnfuhyOHG31ZawNxCzp2g.
{"copyright_id":"0xd4c302a5b04aced795fbacb53ad38b0b750b4477d73ccbe4b39137d82a9e3bce","isrc":"NLA305900033","name":"Had Je Niet Die Mooie Blauwe Ogen","registered_at":"2026-06-28T05:46:14Z","spotify_id":"6SafUde81lk4ieurGMEX0O","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4c302a5b04aced795fbacb53ad38b0b750b4477d73ccbe4b39137d82a9e3bce. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6SafUde81lk4ieurGMEX0O.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6SafUde81lk4ieurGMEX0O.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x373e59931869dc7ebec23418b68360770a3a74ca5527a17185b55cc1d786bec8. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2LtgHZ8If9A9UeiyVIdKrG.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2LtgHZ8If9A9UeiyVIdKrG.
{"copyright_id":"0x68c7fda8c723923eec10ad2669e960baf6ff9b860b9b3b20a16c230a0a946b11","isrc":"NLA306000045","name":"Aan De Amsterdamse Grachten","registered_at":"2026-06-05T15:16:19Z","spotify_id":"2advqdZWnZQ2qzxDhVshHP","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68c7fda8c723923eec10ad2669e960baf6ff9b860b9b3b20a16c230a0a946b11. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2advqdZWnZQ2qzxDhVshHP.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2advqdZWnZQ2qzxDhVshHP.
Is Hier Nu Niemand - My Fair Lady / 1960
Ik Ben Een Doodgewone Man - My Fair Lady / 1960
Een Loflied Op "Hem" - My Fair Lady / 1960
Ik Voel Dat Ik Haar Mis - My Fair Lady / 1960
Daar Is De Orgelman (Het Lied Van Willem Parel)
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4b2b8fd842f5770e08032e126f066a25b543e9ed6cc592daf36d29411841fab. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3qnUdczvyxR67D9bm81hXR.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3qnUdczvyxR67D9bm81hXR.
Ik Ben M'n Petje Kwijt (Waar Is M'n Petje)
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14e28262429888127daa8fe7bd505d5077781e08442211f52be6adc11c92cec1. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0kErV3uzh4fqSggoqGVxpr.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0kErV3uzh4fqSggoqGVxpr.
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc149a67c9566bab0416d557b18349d96c35547f43de8d3db5b2c3b332b4b25ea. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5VYBSW1KHH8yfxZ5YOUTJi.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5VYBSW1KHH8yfxZ5YOUTJi.
Silk Stockings (Original Motion Picture Soundtrack) [Deluxe Edition]
Too Bad - With Alternate Dance Orchestration
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Fated to Be Mated / All Of You - Extended Version
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It's a Chemical Reaction, That's All - Unused Demo
It's a Chemical Reaction, That's All - Unused Alternate Orchestration
In the Still of the Night (Poodle Cafe) - Outtake
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c7437e950e4c5da96812881ed6435c0ae5551862369274985c4301cf55f4a8a. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2acEOvn46OWu5T7wiHDDCm.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2acEOvn46OWu5T7wiHDDCm.
Einsamer Hirte (feat. James Last & Gheorge Zamfir)
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Children of Sanchez (feat. Chuck Mangione)
Ein Sombrero Für Guan (feat. Wolter Kroes & David Civera)
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Gloria En Stefan (feat. Gloria Estefan and the Miami Sound Machine)
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Hematje (feat. Zillertaler Schürzenjäger)
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20 Hits Ven de Jaren Vijftig - Dutch Hits from the 50's
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Hollandse Hits Van De Jaren Vijftig - Dutch Hits from the 50's
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Aan Het Strand Van Waikiki - Hawaiian Song
Silk Stockings (Original Motion Picture Soundtrack)
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Daar is de orgelman (Het lied van Willem Parel)
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En We Gaan Nu Met Z'n Allen Naar De Zaan e.a.
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Amsterdams Goud deel 2 - Gold from Amsterdam
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Als Op Het Leidscheplein De Lichtjes Weer Eens Branden Gaan
20 Hits Van De De Jaren Vijftig, Volume 1 (Dutch Hits from the 50's)
Ik zou je het liefste in een doosje willen doen
Symphony No. 1: III. Feierlich und gemessen, ohne zu schleppen (Arr. Jesse Faber)
Het is stil in Amsterdam (Arr. Bram Faber)
Variations sérieuses, Op. 54 (Arr. Bram Faber)
Het hondje van Dirkie (Arr. Jesse Faber)
Symphony No. 1: II. Kräftig, bewegt, doch nicht zu schnell (Arr. Marijn van Prooijen)
Gnossiennes: V. Modéré (Arr. Jesse Faber)
Quando me n'vo (Uit "La bohème") [Arr. Jesse Faber]
20 Hits Van De De Jaren Vijftig, Volume 2 (Dutch Hits from the 50's)
Ik zou je het liefst in een doosje willen doen
Mijnheer Dinges (weet niet wat Swing Is)
Aan Het Strand Van Waikiki (Hawaiian Song)
Kom Zingen Met Mij: Songs Of Dutch Radio, Vol. 3
20 Hits Van De De Jaren Vijftig, Volume 4 (Dutch Hits from the 50's)
Drie Kleine Kleuters met de Jonkers en de Joffers
Medley: Had je niet die mooie blauwe ogen / Omdat ik zoveel van je hou / Onder de bomen van het plein / M'n eerste
20 Hits Van De De Jaren Vijftig, Volume 3 (Dutch Hits from the 50's)
Meesters Van Het Podium - De Allermooiste Muzikale Herinneringen
De Slinger Van De Koffergrammofoon - Live
Bij De Marine 4:25 Dorus Radio Nostalgie [Disc 1] Easy Listening