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 0x5df93f46300f8165fd3ee5f1c93cece8a3e01899c852920c2a9200586caba04d. Chain 2 (Bitcoin): anchored in block 953842 (2026-06-15T22:22:30Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e0d23c3d-cd59-47f6-9f1b-db2591138c5d.json and https://artists.proofprofile.net/proofs/artist/e0d23c3d-cd59-47f6-9f1b-db2591138c5d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Variations on a Theme of Corelli, Op. 42: No. 1 Theme. Andante
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 0x88f54477afd6ec156170be7eb2152a71eca1fa9d91953d247f1776a42c7261cc. 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/UKEX32123347.
Variations on a Theme of Corelli, Op. 42: No. 7 Variation 6. Listesso tempo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd95f86ccecb3508cc4aa7c53b234a36f0071e945209089f6df909c1b8b86b9f9. 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/UKEX32123353.
Variations on a Theme of Corelli, Op. 42: No. 9 Variation 8. Adagio misterioso
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9664a614ba6cddbad6c0bb8550f1cc9604d7e2311a780566ee59b91636a27307. 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/UKEX32123355.
Variations on a Theme of Corelli, Op. 42: No. 14 Variation 13. Agitato
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4cdc566fd835771907196aa8c6271409b74b818340ad5a193929c6bc1e7dd0a7. 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/UKEX32123360.
Variations on a Theme of Corelli, Op. 42: No. 16 Variation 14. Andante come prima
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf485a9a8510d9039fe39d79b022c9476430ac4bb381ced69f7a5fd49ccb7343a. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UKEX32123362.
Variations on a Theme of Corelli, Op. 42: No. 17 Variation 15. Listesso tempo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb79cfc4df406a47170b791347e4c4f4be7a7b8e36b4550f2755ede5d8f70cd6. 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/UKEX32123363.
Variations on a Theme of Corelli, Op. 42: No. 18 Variation 16. Allegro vivace
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c3dad5f257529f9edf23d7a9afdd9f183fa3cd5c3d83eb029b77e956eabb7fe. 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/UKEX32123364.
Variations on a Theme of Corelli, Op. 42: No. 22 Variation 20. Piu mosso
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7cfa5763e4fb5ee37b4668b1f623a2c0c195a6269155911233c634095e534dce. 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/UKEX32123368.
Variations on a Theme of Corelli, Op. 42: No. 2 Variation 1. Poco piu mosso
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x573f4768cf6307001dd63f52ddd8a8fc9d05169b9a3e1311bdaaa923dd1e61cf. 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/UKEX32123348.
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
Variations on a Theme of Corelli, Op. 42: No. 3 Variation 2. Listesso tempo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2bb65c1f13cbea0bb8fd07f125124bf6971fa848bc68313a9b26d5350fde7a27. 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/UKEX32123349.
Variations on a Theme of Corelli, Op. 42: No. 4 Variation 3. Tempo di Menuetto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11b438afda5b19161960bbcfbba59de1d09ab35ce7a68834f99a8e31b934441c. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), 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/UKEX32123350.
Variations on a Theme of Corelli, Op. 42: No. 5 Variation 4. Andante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78a6a1dd0538d3cf054de4d450e68162b4d8c4835b276956c5d282290824e0d4. Chain 2 (Bitcoin): anchored in block 960236 (2026-07-30T09:37:10Z), 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/UKEX32123351.
Variations on a Theme of Corelli, Op. 42: No. 6 Variation 5. Allegeo ma non tanto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ffa0f9a57b037e5ac771dd0da60852ca7cc90e6c6e2026128da85858152f283. Chain 2 (Bitcoin): anchored in block 960236 (2026-07-30T09:37:10Z), 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/UKEX32123352.
Variations on a Theme of Corelli, Op. 42: No. 8 Variation 7. Vivace
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03858b63317b1d98a49b5643d580ada261c8df57f3ec49f10053e937ba9edf30. 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/UKEX32123354.
Variations on a Theme of Corelli, Op. 42: No. 10 Variation 9. Un poco piu mosso
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a6ef208dc34b830f5dde2a80db8511046f394aa9b6623749ce22a94f0c5203f. Chain 2 (Bitcoin): anchored in block 960258 (2026-07-30T12:45:34Z), 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/UKEX32123356.
Variations on a Theme of Corelli, Op. 42: No. 11 Variation 10. Allegro scherzando
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x216f4da1023d8dd2b0a98880e309060123071affb8d38955caec35aa929b14d5. 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/UKEX32123357.
Variations on a Theme of Corelli, Op. 42: No. 12 Variation 11. Allegro vivace
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd1d7e9d6ef8befeee9de839617f44f9bb3b6f602c105fc4a452cfba965ad7381. Chain 2 (Bitcoin): anchored in block 960379 (2026-07-31T09:25:34Z), 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/UKEX32123358.
Variations on a Theme of Corelli, Op. 42: No. 13 Variation 12. Listesso tempo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc392f3b1fdf404749e487ac060c6c898ce1063f9ee73fe4453e8ca0aa4309c0e. Chain 2 (Bitcoin): anchored in block 960427 (2026-07-31T15:59:18Z), 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/UKEX32123359.
Variations on a Theme of Corelli, Op. 42: No. 15 Intermezzo. A tempo rubato
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x524648940b57c6b66ffa3711afbe45bd660dc9d43ff5dfa76f52fb1a45c14b04. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), 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/UKEX32123361.
Variations on a Theme of Corelli, Op. 42: No. 19 Variation 17. Meno mosso
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5dfbedfd4f267699b6a7384534119a366ca7813f91c938b794d445491549ced. Chain 2 (Bitcoin): anchored in block 960254 (2026-07-30T12:06:10Z), 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/UKEX32123365.
Variations on a Theme of Corelli, Op. 42: No. 20 Variation 18. Allegro con brio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe60a696b0d0d9a758f5bba97924007e6569a5b621bf45e24a20cec4d6834612e. Chain 2 (Bitcoin): anchored in block 960340 (2026-07-31T03:15:04Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UKEX32123366.
Variations on a Theme of Corelli, Op. 42: No. 21 Variation 19. Piu mosso. Agitato
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe59939fb1c965df380b1ab4e063c408782184cfe42bbd89fc763b2fca6dc3025. Chain 2 (Bitcoin): anchored in block 960381 (2026-07-31T09:50:11Z), 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/UKEX32123367.
Variations on a Theme of Corelli, Op. 42: No. 23 Coda. Andante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7698471cea1fd785b141400bf10dc0353182833f074cafdb6af040a9ef7c7934. 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/UKEX32123369.
Preludes, Op. 11: No. 13 in G-Flat Major, Lento
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d5e57b1c394e94e1aa985e7d7e9d957aa5a75c1d1bf18e6df67ad0ac4971224. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), 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/UKEX32123370.
Preludes, Op. 11: No. 15 in D-Flat Major, Lento
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65bf061738e0ed9384fa64893b7c6a6a561d17cb11c86fbe60483ef125098354. Chain 2 (Bitcoin): anchored in block 960407 (2026-07-31T13:26:30Z), 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/UKEX32123371.
Preludes, Op. 11: No. 16 in B-Flat Minor, Misterioso
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb64a1052c60bb7ea7a803ebb7c9b14fe983dc50c21c402b8fb5a42ba874ab892. Chain 2 (Bitcoin): anchored in block 960344 (2026-07-31T04:14:58Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UKEX32123372.
Preludes, Op. 11: No. 17 in A-Flat Major, Allegretto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdde041fac4ec5daa32b04925b0ea5a9035b1e929164fc74bcf171781528ba1c7. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), 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/UKEX32123373.
Preludes, Op. 11: No. 20 in C-Minor, Appassionato
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda32483fd307b8367ad6a0040d28ad3664e3ee0f7e5cd8bf1b44d39fdd1c32b2. Chain 2 (Bitcoin): anchored in block 960381 (2026-07-31T09:50:11Z), 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/UKEX32123374.
Preludes, Op. 11: No. 21 in B-Flat Major, Andante
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6003eb9841b5b47a62b4e5cb2a9e2b80b54716a7b9e3efaba8f58a050f2cbc08. 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/UKEX32123375.
Preludes, Op. 11: No. 22 in G Minor, Lento
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf271c37292e2405f98e4eb32bace613b05404a3972d996218e79e3efc4300b2. 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/UKEX32123376.
Preludes, Op. 11: No. 23 in F Major, Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe74c98175ffe5ec07fcf07cb2828d47d18f6b80add23aca08809023c6193af1d. Chain 2 (Bitcoin): anchored in block 960370 (2026-07-31T08:38:45Z), 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/UKEX32123377.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ec0a3b4e9a57027cc51f87bf42803aeb894ff15fdeea2c2ba7936900b002a1b. 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/RUA491909129.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa435ed2947f1a574e5dea8274dbb2b2cfd5a85705fe3e1e5a17b8199ff635dd. 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/RUA491813458.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ab35ef57f74c6ed3dcaf4bec233c60c6a3495cf07ca5b8182dbc684ed8638ef. 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/RUA491813455.
Pachelbel Canon in D Major (Christmas Version)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0fa0bdc023d32409fce673e50ccdc1c27be5d1069d127c78a72353858eb2b8b6. 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/RUA491813454.
Bach Invention No 1 C Major (avant-garde electronic version)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56c090f312c0de189b162bb37cdc62d0a5d021488d6435cf77197ae9f4f31bc1. 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/RUA491813452.
Pachelbel Canon in D Major (electronic version)
Ding Dong Merrily on High, Christmas Song
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4ae41d665284c3d25c6a969bb62f62a8914bae40b645ab3c019057953da8f78. 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/RUA491811014.