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 0x792f71fd312168270d6955360d4ed73518e54f940611379bc3793218f308b298. 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/9b341db6-9843-47a9-a957-d967f9085390.json and https://artists.proofprofile.net/proofs/artist/9b341db6-9843-47a9-a957-d967f9085390.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 0xcb2dd61c3e520ecc59e1c57a2d7267b719850b28aeeb55f8f80cb1c750f94c4b. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/TCABC1108141.
A Thousand Years (Tribute to Christina Perri)
We Found Love (Acoustic Tribute to Rihanna) [feat. Corey Gray]
We Are Young (feat. Caitlin Hart & Corey Gray)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf5535872bcb2d32e865ccde4f556dfc4bdabbf1d5573dda0585e227347a1f4cd. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/TCABE1272976.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x184d8b8b9b2eda183f1187207f729f1f548bb0039d99890b8a3b3b68d8835e3c. Chain 2 (Bitcoin): anchored in block 958931 (2026-07-20T21:15:01Z), 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/TCABI1229148.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x66c6bab452d8a9eacf66f6dbf20a6e37465c4a9ce57c389212b635420be7f954. 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/TCABL1233828.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd686d693ab7f3039dd7aaaf32e9743d29ba93a5799831a5d010bf5e332e31240. 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/TCABO1350928.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6fed6eefbeb01daaf236e37c15589b9f7c676fc19e73c9d6e8b284a4b98647dc. 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/TCABS1337077.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0de47173604557fc658100645d49c235c526143f663d33be2e55dda61d238641. 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/TCABS1337071.
Swiftly Taylor-Ed (Acoustic Tribute to 1989)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20d21873dc1881e7dbb993df9b272357b61fb1ef9ee149a4c5333789dc587cb2. Chain 2 (Bitcoin): anchored in block 957872 (2026-07-13T15:39:45Z), 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/TCACB1414115.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc21b907c338f705dd311b7a8144f4108c2da9f82b5ab4e5ab53d515d9b523cc9. Chain 2 (Bitcoin): anchored in block 958357 (2026-07-17T03:33:42Z), 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/TCACB1414117.
Semi-Charmed Life (Acoustic) [feat. Landon Austin & Corey Gray]
On My Mind (Acoustic) [feat. Tristan & Adam]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8246e6b776b3361ba48d7527526180dbb1c009e1b6a1437799ad8806fd91fd4. Chain 2 (Bitcoin): anchored in block 958853 (2026-07-20T11:23:01Z), 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/TCACL1684367.
Love Yourself (Acoustic) [feat. M the Heir Apparent]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11c99c435c864232258fc2f89de9058109b730458c3bd21e3eba7fc2bb99359c. 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/TCACQ1679969.
Paris (Acoustic) [feat. Brooke Williams]
This Town (Acoustic) [feat. Annie Bardonski]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7955120a8e50401559884a6c2cec1688a8912db8eac465639eeb73448c68e8f. Chain 2 (Bitcoin): anchored in block 958749 (2026-07-19T15:48:23Z), 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/TCADH1721902.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e44ce069e97a5f226a39a77b22362c9720f645f3617bdfdec6ca3803b643ce0. Chain 2 (Bitcoin): anchored in block 958563 (2026-07-18T14:29:03Z), 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/QM4DW1807382.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x60f0c5deeb3f94032bcc3e00a9df2651c423fdb15ceb703ea3c20017bb676885. 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/QZHNB2136867.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4a43131b0340436a22f5a6eccd9f9f512d286b014172614e704dc4ccfb14ebf. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/QZNWQ2015388.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9789c247569aefc65c1bb4c23617a0a859b6a1c608fcd1b001d31de5439f00a7. Chain 2 (Bitcoin): anchored in block 958461 (2026-07-17T23:18:11Z), 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/QZES71803463.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46c6c833859020cf0d7e63a86dc1688c4240229b47697d8d0453f0363dae2157. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/TCACG1593567.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55fc28d5e90fd2a0d0bc2a0e06e015642f7262b8e0db4447540ed08822eb6fec. 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/TCABK1265706.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4aa3e786b7569c8130e02a2df51be0013fd1339846764bc5bd9d6d8968659ce2. 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/TCABK1265705.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c12647357eb19eaba221a309659a5ea3aebf134c38b00c271d48e01c2891f5c. 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/TCABE1251752.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9921dc41dff33ce845247d22d3737c7375107abdf160f017dc162e31db78177. 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/TCABF1229730.
Some Nights (feat. Savannah Outen, Sara Niemietz, Jess Moskaluke, Eppic & Black Prez)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8342676064ffe28238baccf5cfb7b1605c2852129b46bbc1fa782a0f6055b371. 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/TCABI1202431.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e971b463915eba67f5309b6d2596c2932887d6c63aee362d165e863e64ddd82. 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/TCABC1140089.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f42d0771ba4095d05383b4be860b804fb352e56c61dc40312c521e399ff3c2e. Chain 2 (Bitcoin): anchored in block 960209 (2026-07-30T05:15:54Z), 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/TCACB1487964.
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 0x69b6c52bec909696ec1ad44f357c471f69711d4bb1057e68e271769358d5d6c0. Chain 2 (Bitcoin): anchored in block 960266 (2026-07-30T14:44:50Z), 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/TCABN1345002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x99275097dc504a87c503f6395dd3537a7917348b3bc8703f832d18b5d59b04d4. 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/TCABE1251753.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b316260ef40e378f52fce948d4b3f8a7e03ecfc041fca498bdf0557e038d730. 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/TCABE1251750.