right|thumb|250px|The Dutch Swing College Band performing at the North Sea Jazz Festival in 1976 or 1979. The Dutch Swing College Band (DSCB) is a traditional dixieland band founded on 5 May 1945 by
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 0x781150e32680c0dc7993980f07d414da2c586438cacf8789e24ec7cb4f71c83c. 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/03425243-b91a-4193-a1bf-c3febe64275a.json and https://artists.proofprofile.net/proofs/artist/03425243-b91a-4193-a1bf-c3febe64275a.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
At Swing Papa's Reunion in 1946 The Original Dutch Swing College Band Is Formed (Remastered 2024)
Swing College At Home (Live At The Kurhaus Scheveningen, Holland, September 1955)
Swing College at Home: The Complete Concert (Live At the Kurhaus, Scheveningen, Holland, September 1955)
Jazz At The Seaport (Live / Remastered 2024)
Jazz At The Concertgebouw Amsterdam (Live / 2 April 1958)
The Dutch Swing College Band - Live In 1960
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 0xec70f59fdc928d8b8c259aeab04ac4f66b15b629add1f15264d4d9ecdddd8a24. Chain 2 (Bitcoin): anchored in block 957891 (2026-07-13T18:21:04Z), 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/NLA300400051 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6b259cee0b57428fba5e6ca2d99f91967d428d973f56f4a03301853b42e2eba. Chain 2 (Bitcoin): anchored in block 958838 (2026-07-20T07:01:21Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA300400052 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0516db1e241b347161e4a6025a7f5d37829fffaafad2df6b55bb789d22bdbe4d. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLUM72100709 — a six-check JSON result.
Dutch Swing College On Tour (Live / Remastered 2024)
The Dutch Swing College At The "Sport Palast" Berlin (Live)
D.S.C. At The European Jazz Festival (Live in Comblain-la-Tour)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b81711d5fc82ba1650b41aa083729e279869c19a11989ced402f075c68c9a0b. Chain 2 (Bitcoin): anchored in block 958716 (2026-07-19T10:15:55Z), 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/NLA306300149 — a six-check JSON result.
Dutch Swing College Goes Latin (Remastered 2024)
At a Georgia Camp Meeting (2020 Remaster)
Take These Chains from My Heart (2020 Remaster)
Take These Chains from My Heart - 2020 Remaster
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x620ac0ca97b9ff434ebe8e7d1f7c56e3a9533d26bad0623e4077f6f8b934180e. Chain 2 (Bitcoin): anchored in block 959063 (2026-07-21T21:45:32Z), 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/NLZ052000119 — a six-check JSON result.
Dutch Swing College Goes Western (Remastered 2024)
Live Party! (Live At Dansschool van de Meulen, The Hague)
Tribute To Louis Armstrong (Remastered 2024)
Small Combos From The Great Dutch Swing College Band (Live)
When The Swing Comes Marching In (Remastered 2024)
The Dutch Swing College Band Meets Joe Venuti
The Dutch Swing College Band Featuring Famous American Jazz Giants
Jubilee Concert (Live / Remastered 2024)
Digital Jubilee (Live at the Congresgebouw, The Hague, 18/5/1990)
The Dutch Swing College Band Meets Teddy Wilson
Albert Nicholas With The Dutch Swing College Band & Adrian Bentzon's Jazz Band (Live)
Dutch Swing College Band Plays Duke Ellington
Dutch Jazz Giants Volume 5 - The Dutch Swing College Band
Vintage Dutch Swing College Band - Vol. 1
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8c75cce28815d67bd3ab5aa0e26d1a750ea2ad526ce8e2e1ed43c56e7c8eb22. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA410813210 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf73ee9ce7e43645fb1b998b43c66b3f00178393588ccffc8dbc8707cf4fb0d7d. Chain 2 (Bitcoin): anchored in block 959024 (2026-07-21T15:31:18Z), 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/NLA410813211 — a six-check JSON result.
Nobody Knows You When You're Down and Out
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ed42c879772703e0c2233e86c00220da795cdccda2e8d9515054418ff358850. Chain 2 (Bitcoin): anchored in block 958691 (2026-07-19T07:19:31Z), 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/NLA410813216 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4ed0d46b136a31174f813b7017b7a38e5647f4a43a7fed0d594184ab0f46ede. Chain 2 (Bitcoin): anchored in block 957888 (2026-07-13T17:43:59Z), 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/NLA410813224 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3df0d0346e99774de36ed97412ea019a36ca09e8726a2976a76b4d882cdd3d74. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA410813225 — a six-check JSON result.
Hollands Glorie - Dutch Swing College Band
Vintage Dutch Swing College Band - Vol. 2
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48e3ebe6491d876bb6141629c6e350c78497d4c0294e77b5591cabee33c9fa3a. Chain 2 (Bitcoin): anchored in block 959023 (2026-07-21T15:22:58Z), 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/GBBAD1100091 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf886f62d0339c60f5e5d343ad1c0ff5e79fed10362bf6ea26d0e5d23a5dfb50. Chain 2 (Bitcoin): anchored in block 958180 (2026-07-15T17:59:52Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBAD1100074 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b7e6e0617464caa0b557e2ac5e8f3b7620243e96e7b1762fca6b1ce68dfb9e2. Chain 2 (Bitcoin): anchored in block 958880 (2026-07-20T12:33:53Z), 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/GBBAD1100075 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f898423de0b9c914a2c940171f2639b9ff79169f9c2719020a10d63f872b0ac. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T19:42:29Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBAD1100076 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae550208249359aecfed0e294e69ceb37481434df28ae80c393fbf303894c506. Chain 2 (Bitcoin): anchored in block 959024 (2026-07-21T15:31:18Z), 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/GBBAD1100083 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3907ec87b357c7881d62ed71244778fca599643a6a8faeea0be28203c58d59af. Chain 2 (Bitcoin): anchored in block 956620 (2026-07-04T07:11:13Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBAD1100103 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd271c45dc923e530d17dd5e0b76030cf0832064c5c7029bbc8f58bdf42c3db4b. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBAD1100105 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfaa963e8ddbb3a967a375ac0d75bf29ec63532b90211d6138209e18a9a5d72f7. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLZ051100012 — a six-check JSON result.
Europe's Most Swinging Jazz Band Since 1945
The Dutch Swing College Band Play the Jazz Classics
The Dutch Swing College Band: Beale Street Blues
All that Jazz, Vol. 8 (The Dutch Swing College Band)
Dutch Swing College Band Meets Neva Raphaello
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30ce197386cb52734ef28c44efda1234b36258c12cb755c3e8241a4ace34c25f. 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/NLZ051500006 — a six-check JSON result.
Live with The Dutch Swing College Band (Live)
Dutch Swing College Band Plays Royal Thai Jazz Compositions By His Majesty King Bhumibol Adulyadej
Dutch Swing College Band Plays Royal Thai Jazz Compositions by His Majesty King Bhumibol Adulyadej
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10fb463e3ece0e03ed71f5614ea97fb38175c055945406047d14064554ad4f8d. 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/NLZ051600001 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb899b1a04f301958bc2a3dc0ad22e550cbb349ae25e2ca3f2a3273efc0903535. Chain 2 (Bitcoin): anchored in block 959010 (2026-07-21T13:22:35Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLZ051500016 — a six-check JSON result.
All That Jazz, Vol. 84: The Dutch Swing College Band Live at Scheveningen, September 1955 (Remastered 2017)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc09ca5e1e787f32e1af7b7ee2fbe705ed09bdf0b1dad68493970ebc9871de66b. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBKPL1812297 — a six-check JSON result.
Nobody Knows You When You're Down and Out - Live in Germany
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8c301db7847866a8b952fc20211db4ed322a9faceb52d9d8ad25fa8d262cad9. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USX762097505 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x49a258acb30000f8ddd803d829695b0c1898925b1bbb6b6d2401721fd6a051df. 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/USX762097516 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xafa821492c173f276d962d9d3b85701417b0aef6d5038944ff03d78e5235feb7. Chain 2 (Bitcoin): anchored in block 958428 (2026-07-17T15:15:14Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USX762097520 — a six-check JSON result.
THE DUTCH SWING COLLEGE BAND MEETS TEDDY WILSON
Around the World with the Dutch Swing College Band
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Amazing Grace (feat. The Gospel Divas) [Live at Rijswijkse Schouwburg, Rijswijk, The Netherlands, 2023]
God Rest Ye Merry Gentleman (Live at Rijswijkse Schouwburg, Rijswijk, The Netherlands, 2023)
Sleigh Ride (feat. The Gospel Divas) [Live at Rijswijkse Schouwburg, Rijswijk, The Netherlands, 2023]
Christmas Time In New Orleans (Live at Rijswijkse Schouwburg, Rijswijk, The Netherlands, 2023)