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 0x94b2c677e02a4455c9bbe6185613e9e35ccad041d46c3a9b6161065a3a9aecef. 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/427b0113-f945-4f0c-b091-d30e5eb37970.json and https://artists.proofprofile.net/proofs/artist/427b0113-f945-4f0c-b091-d30e5eb37970.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Salad Days: Digimix (2021 DigiMIX ReMaster)
My Fair Lady - Original London Cast Recording
Days Of Hope (Original London Cast Recording)
The New Starlight Express (2007 Remastered Version)
I Want To Make Magic - From The Musical " Fame"
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 0x5e93dd7c3a4653f64b89ce4cd659da2c677d62e2d142ffd90307c747f8d7b197. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), 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/GBALG9500022.
Can't Keep It Down - From The Musical " Fame"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f6148848b3295a1bcd1b284a7c842df2f347da40daa6734ddeba5b15796ad09. Chain 2 (Bitcoin): anchored in block 958212 (2026-07-16T02:14:07Z), 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/GBALG9500023.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5cccf6f928e34ed5ad7d6a2edfef6b6f37f6ce7bd8ee6d456220250540155c16. Chain 2 (Bitcoin): anchored in block 958508 (2026-07-18T06:27:01Z), 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/GBALG9500024.
The Teacher's Argument - From The Musical " Fame"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5911ba821da6753873a3deaa29284ebfd2a180a9b636136eb52979582fd7c048. Chain 2 (Bitcoin): anchored in block 958276 (2026-07-16T12:22:38Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBALG9500027.
Hard Work - Reprise From The Musical " Fame"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x49fe9eae500f10a9d259e23b0e6c841bed715ac8d3edc049a639263d519ac401. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/GBALG9500028.
I Want To Make Magic - Reprise From The Musical " Fame"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95deb672111c2e73bcd916efc0a8b5620a7a76e4b3cfb174ae09148b164abd72. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBALG9500029.
Mabel's Prayer - From The Musical " Fame"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88220336a73a29e2a504ac273215cd464ea09125c1d29e77aa37cb6503f7b266. Chain 2 (Bitcoin): anchored in block 958180 (2026-07-15T20:31:10Z), 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/GBALG9500030.
Think Of Meryl Streep - From The Musical " Fame"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc778c1ae8fc2fe0789cf6948c504b9691c8af4fbcfe55721028f0e5e381f7471. Chain 2 (Bitcoin): anchored in block 958212 (2026-07-16T01:47:29Z), 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/GBALG9500031.
Dancin' On The Sidewalk - From The Musical " Fame"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec512dd87d69ae60ebd85e9973b90316ae6b2938058414d33392fa5186505a60. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), 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/GBALG9500032.
These Are My Children - From The Musical " Fame"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56c153b429a37640ab76268aa15c90a99a11f27d668f83c4406e49768cce2bff. Chain 2 (Bitcoin): anchored in block 958520 (2026-07-18T08:19:09Z), 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/GBALG9500033.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf728d24095055ce70531026a903725e88c0475a238bf068783deea12e2228804. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBALG9500034.
Let's Play A Love Scene - Reprise From The Musical " Fame"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16263dead43a0d585d89469649bb22aff80ff5bfe8800dd5607e3ba8d41c3318. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBALG9500035.
Invade My Privacy (Original London Cast)
Street Scene: Complete Recording [Original London Cast (Complete Recording)]
Metropolis: Complete Recording (Original 1989 London Cast)
Starting Here Starting Now (Original London Cast)
The Rink (London) [Original London Cast]
Thomas And The King (Original London Cast)
The Baker's Wife: Complete Recording (Original London Cast)
Pendragon: Complete Recording (Original Cast Recording)
The Biograph Girl (Original London Cast)
The Shakespeare Revue: Complete Recording (Original London Cast)
Underneath The Arches (Original London Cast)
Destry Rides Again (Original London Cast)
Legally Blonde The Musical: Original London Cast Recording
The Most Happy Fella (Digitally Re-mastered)
Follow That Girl (Digitally Re-mastered)
Make Me An Offer (Digitally Re-mastered)
Gentlemen Prefer Blondes (Original London Cast)
Once on This Island (Original London Cast)
Underneath the Arches (Original London Cast)
Drake's Dream - Come Sailing Round the World with Paul Jones in Drake's Dream
The Pleasure Garden (Original London Cast Recording)
The Wizard Of Oz (Original 1988 London Cast)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce791f5725c267da22e18f133461f44b5ae0e9f250569ef58f58be303d39dd6e. Chain 2 (Bitcoin): anchored in block 958823 (2026-07-20T04:29:18Z), 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/GBDGA0000333.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5dbb759bb5c3b212ad60cc1d7469a85b0f866f5987729b33205ef76b8debad0a. 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/GBDGA0000336.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc19d8d51d40da391151ca38dfb2039ca4b053deb71fe9aed9f49cee888a874a4. Chain 2 (Bitcoin): anchored in block 958839 (2026-07-20T11:00:05Z), 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/GBDGA0000339.
The Merry Land of Oz (from the Wizard of Oz)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1407bc3479b7a5f173f6a03269a03f6129e49b1623907d835c39e10d9e2fa613. 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/GBDGA0000343.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73d914044f9a31ad283e60d9f997606047e40410fda95ae79842d328ecd709e5. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), 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/GBDGA0000345.
They're Playing Our Song (Original London Cast)
Once On This Island (Original London Cast)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb6de11172d9dae2180921ab1c50fd09eea85e9b874c479837391cede5307e1e. 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/GBAKW6800099.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1b0190d4ecab026370ada3af7d3d4c1d0078cb71fff9001935594236f82b021. 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/GBAKW6800110.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6e7431577573ed6508dfc9f4396854816a84eba563a123fdd5a2e19fbd8cab4. 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/GBAKW7000113.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb731163b2dcded7a48a142f26a29f963f789f2ba6fa70b9dc14029232312196. 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/GBAKW7000115.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf48432f3e688e70a01a1e8b5cd14a84c81d7bf95a152506fd3a80617c24009af. 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/GBAKW6800119.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc8165c04ffad4131787306919dcfdf8e2f9b82fee3063eba86e08754e68bdd1. 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/GBAKW6800120.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x99a9db2878c2b3741b36ce5d77d5e58cd3c10a46622fc2603bf2df4e864c4219. 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/GBAKW6800126.
You Are Beautiful - From 'Flower Drum Song'
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59d5e648628b8e6ad16985550010aa3ba1982c60dac6281bb6f7bb43f6fe62de. Chain 2 (Bitcoin): anchored in block 960170 (2026-07-29T23:52:38Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYE6100530.
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 0xfaf9b47746221dd5d4eeb1bff7f6b51e4961a624b1a81a5bdf37e27b91428aee. Chain 2 (Bitcoin): anchored in block 960183 (2026-07-30T01:10:20Z), 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/GBAKW8800100.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5fbe92c8b1a9507f253641044bcee616e983852d118c05d9ca3f43a69d6bb578. 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/GBAKW7000109.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc637c0d00d827e640afc7f3ee701c7f08ae6b61717a66ace386e73cb585ffdbd. Chain 2 (Bitcoin): anchored in block 960321 (2026-07-30T22:27:30Z), 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/GBAKW6800111.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbec351ed6508055e02235e155bc760e3abdf6a60add7dbdc110a3831e1aaabb7. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/GBAKW7000110.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa246c15bb5d85c343653695404eb7ecf47b5bdba2326147e556ab788cebbe8c3. 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/GBAKW6800112.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11eb4b20b5e242d8566d2c04b56d46f58acc16702633d855efd07edd1150c7ec. Chain 2 (Bitcoin): anchored in block 960177 (2026-07-30T00:21:01Z), 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/GBAKW7000114.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ff70867f0d7f3d77825d10257157e265cd58fa38024fbf14f1a7c773f292418. Chain 2 (Bitcoin): anchored in block 960277 (2026-07-30T16:10:47Z), 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/GBAKW6800116.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89d8cd8fecac51e353b13619291298624e22b7bba5f36ae6383fad269f0922dd. Chain 2 (Bitcoin): anchored in block 960330 (2026-07-31T00:58:21Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAKW7000117.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x938761f534ff67ddeaf396f544471a220919e6a17f94561e762d8efa38e16c69. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/GBAKW6800118.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1149855d2caa5486c250ad466355fbfb54fe1f121a5908b3a8316f8734119491. Chain 2 (Bitcoin): anchored in block 960317 (2026-07-30T21:35:24Z), 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/GBAKW7000125.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcfce109722bc53261392e5a31de847aa95e82332167632178ed2258ec2cff7d1. Chain 2 (Bitcoin): anchored in block 960291 (2026-07-30T18:23:33Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAKW6800129.