Katherine Jenkins (born 29 June 1980) is a Welsh singer. She is a mezzo-soprano who performs operatic arias, popular songs, musical theatre and hymns."Profile on Classical Crossover.co.uk". Retrieved
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 0x97d5e067569599b8f7a9409832d930d0a383c6c25e555cff5ca64bf4a29ac536. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/186b4ab5-98f0-4b4b-b66b-8a80766a3c92.json and https://artists.proofprofile.net/proofs/artist/186b4ab5-98f0-4b4b-b66b-8a80766a3c92.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 0x5c23790125a2883141a213270d27b8b8dfd2f8ec993105c4e5aa4c5db1f542bc. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/GBUM70602979.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21da4877e0a39e69f75aa87ea7babd5dd16a3c5ecd8cb0272122a74adfeff138. 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/GBUM70604481.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4fddc3b376e5d83c90bcc1c46ea7c24942fb222e59ca895c76a6a5194455558a. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/GBUM70604946.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf28f9aca7417c02e4077a608ae9e4f784d613b67b5d901be7e809b29ff567f8f. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/GBUM70604485.
"O Mio Babbino Caro" (From Gianni Schicchi)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1dbccd4578979211ebec246fe33c7401e283f320731eddcf1b23b988582c60f9. 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/GBUM70602981.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6c84e5fc35cedd32c3677482f2bbdcd1365de83bad6dad606cc2e94fbc1f976. 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/GBUM70603378.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc368070a7ff2414c59682d64140762088d4db086dc0daf3ec883dc0ca3b1b2a3. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/GBUM70604477.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab139605ec0604f45294ad5fd1bdbc666e88db78960561fada6a6179fdc6f139. 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/GBUM70604480.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x226eccc514075aae7ac8dc3cbd76eec0bb8c86eb45837619c981e698897f1848. 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/GBUM70604479.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f933446d7f841266a14d42a87f3c3323d93d04da81d1c9c976f1e533fa03c37. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/GBUM70602982.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26a02b6e85fb4a158c83d6ffd35d952864dd08859a2c63a765440aa629f2c1fa. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBUM70604484.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc891adc0e57854dac573c5ff3324bcf3f4fbf659dea6cdf78a8b4797da78722d. 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/GBUM70602983.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc75c929d7c1bb0b6cbea02affb9df67363bd282193a1dd3a3e90b397420f60e1. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/GBUM70604483.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeeb1ba915045546ec5535b7443f6735b7a60f8cbb5e36f79f3942f240bf9b221. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/GBUM70604947.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeeb1ba915045546ec5535b7443f6735b7a60f8cbb5e36f79f3942f240bf9b221. 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/GBUM70604947.
Puccini: One Fine Day (Un Bel Di) (From “Madame Butterfly”)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfdcc480d91678ac405d6b374ce2894efb8cd3da603557c5fa71f30cbc99a95ec. 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/GBEKZ0500096.
Music Of The Night - From "The Phantom Of The Opera"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3fd3ad7f1b2ee1c88b2fe85b226a5d59bfc3245137647ee4ccee3566eac82093. 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/GBEKZ0500094.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24433ca046714c0c5e71eae011362ad337ea429698eb0ab2748ee874bc5f8549. 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/GBUM70708259.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa94bec578a06ed76ae1d5ec1fea30c738e79b6ec53462c3ef42bb414b212d727. 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/GBEKZ0500093.
Offenbach: Baracolle - From “The Tales of Hoffmann”
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07c6aa4a59e6af96b331067f8abeda487ce8240a0b79a18600bfe3d7e3cd4e83. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/GBEKZ0400339.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26a02b6e85fb4a158c83d6ffd35d952864dd08859a2c63a765440aa629f2c1fa. 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/GBUM70604484.
Puccini: "O Mio Babbino Caro" (From Gianni Schicchi)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1dbccd4578979211ebec246fe33c7401e283f320731eddcf1b23b988582c60f9. 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/GBUM70602981.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d9178e8413fb363d442b57b5117179615588f73cdc84429c6d3346fe88fbc97. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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/GBUM70810995.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5c94618b5a61befc1f89cec5db313e0eb8823c211636e41d58551ec53a1941a. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/GBEKZ0400328.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf893cc452a5d6f3842541a062b1f720e80b49994621f2fcdd083064fc6f2ce9e. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/GBUM70810999.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59483155b52c44491df30f9dbf7e72523bcd7b3000fd9a95cb0dab2e01158f9c. 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/GBEKZ0400332.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x164accf79310de76ce90b2f78dbc9ddd411813b5a32412c65d584b9d7646452d. 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/GBEKZ0300203.
Traditional: Cwm Rhondda (Bread of Heaven - Wales Victorious)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55a82daa42cefcf6d5156e90296274efe8962d76d0c75d2fbe4f6a409eb7cd53. 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/GBEKZ0300087.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1dbccd4578979211ebec246fe33c7401e283f320731eddcf1b23b988582c60f9. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/GBUM70602981.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x146db559dcabc8a9df0f660e00321eadea1fdccb2873e1e8498dc50cb837a341. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/GBEKZ0300209.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa92fbc8ea1b2966df1e42c4dd766ce780787e41eee8811e4c726c35b2052e301. 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/GBEKZ0500097.
I'll Never Love Again - From "A Star Is Born"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2aa9cc3aed9be7b42b859a8f178344619f2bd5e0a405ba4d6ef166cd9a5bb0e5. 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/GBUM72000517.