Philip Allen Sparke (born 29 December 1951) is an English composer and musician born in London, noted for his concert band and brass band music. His early major works include The Land of the Long Whit
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 0xda8f3b6af48fda7893ca619e4f9faa00b37cca67391d8c29243a0dfaa243998b. 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/e0d7be86-fc59-401e-ac61-44b06e0b5d71.json and https://artists.proofprofile.net/proofs/artist/e0d7be86-fc59-401e-ac61-44b06e0b5d71.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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 0xd058a44c3033e9fdc5a1f21fa10b9c41a0c8613d4ebb0d95037ef579093a6655. Chain 2 (Bitcoin): anchored in block 958808 (2026-07-20T05:21:31Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB601401843.
ウィークエンド・イン・ニューヨーク
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4bc4f652803eefadbb4d539d584ca7e4fbf2485ceea3d57f32bfb223b5e9823. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/JPB601401845.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4917c7701eee9db935e6c583f75595de6a860fd1c8e0d343576f2c9c8eac07d. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), 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/JPB601401846.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd745e168f486d5c0c94d8e6e413641b791d27badb6fef396881bfd101901c5b3. Chain 2 (Bitcoin): anchored in block 958622 (2026-07-18T22:58:55Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPH291569402.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f9f7c1794ee3d741adb1465cfb7a18c0f5eff65a364cfb56f6a629603ad052e. 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/JPH291569405.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43c1e6e161950b3ad243f46bc913f2616c063eb567885c01ec5facf232a223fc. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPH291569407.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b2d70210f11035469e62c7a3487af7ce8e276e74a4cfc8c09f5183a8d8c422b. Chain 2 (Bitcoin): anchored in block 956713 (2026-07-04T23:03:25Z), 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/JPH291569411.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09711a3cc2fd8566f44fe06c89e5bbb79ddf0b9d6153c5978127891cc2a543df. Chain 2 (Bitcoin): anchored in block 958415 (2026-07-17T12:50:13Z), 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/JPH291569415.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3fb8b15d6afc9826ba46427b264e7888bd65332f6e8fb230e1c4d5dd3eeb5c24. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPH291569416.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7abb7cafc29bf4364559cb6d8c274df85cdcd1029c953a85567e89d4b5494be2. 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/JPB601801123.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62039af11c09683bb7c308e77cbe363b4d20c408826dc82753ae2053b6ded116. Chain 2 (Bitcoin): anchored in block 958554 (2026-07-18T13:17:01Z), 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/JPB601801124.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b8944f5749a62c9a5052c03f10796037a5bb4baacb55142e2add22e043af84a. Chain 2 (Bitcoin): anchored in block 958276 (2026-07-16T12:52:18Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB601801125.
サヴァンナ・シンフォニー －シオン×スパーク－
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2c5e7f6827172924c847ef3b1772e805925585309e90a77bb58a9a7bee8c802. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/ATP570394080.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd1065e5f89fbb32c22b307c0ffe4b69cf6ee20dac4daeda7a8772541b53b05ea. 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/ATP570394110.
Hymn of the Highlands: V. Dundonnell - Finale
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5937ac3ac2d5eb67597dd8cd9eec356fa74be979341f4bbfd916a064fa57c892. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/ATP570394120.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7889ae23be6f58260ea4f89ad52be17b63a5342d150c06a649ad6cb7eadd4815. 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/ATP570394090.
Hymn of the Highlands: III. Strathcarron - Sword Dance
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31eda15ac828c2fe329c2eee9c7840a5137f05d4632b38f32a7fa3cb529b861a. 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/ATP570394100.
Rekrutenspiel Schweizer Militärmusik - Brass Band
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7239b552cee203d6038b4a55e8bcb7da23a5b09ce6c958d26b6332a73f9e313c. 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/CH0491513108.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1c3b85bde479ff0b664ef0b1c8d6da1531fa5256e845fae4aa5c0e2ba62b98f. 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/NOCJB1800113.
土気シビックウインドオーケストラ
ブリュッセル・レクイエム／B・アッペルモント 土気シビックウインドオーケストラ Vol.22
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88b6569ef534284d145c21e26424350cc74ad63e11ffa88e7392eb0b1a5f2087. Chain 2 (Bitcoin): anchored in block 960175 (2026-07-30T00:16:15Z), 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/JPJ671811004.
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 0x7fcc5b694a208d05092ed2a761f8f3c479223687bef4f4027ef1f39d1797605a. Chain 2 (Bitcoin): anchored in block 960111 (2026-07-29T13:21:01Z), 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/NOCJB1701005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7b60928bde99bec0cee2fa5621fec27ef2020e366bbdb4c1b42db48553e42df. Chain 2 (Bitcoin): anchored in block 960300 (2026-07-30T19:42:40Z), 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/NOCJB1400513.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f358b915d63cfbcd7830fa7623c9f213512e160233c4b845a1fee95cf21c588. 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/NOCJB1501017.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f46628c83b35499c4652c9340300ed588ae52e50f936ea7bac5bcaf1b6ee518. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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/NOCJB1400511.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e9b84aadb0e9a3f35ef32bf2b4b58a50b3b8ac79cd8dc09e9d7386fa78b39ac. 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/NOCJB1800118.