Abigail Barlow is an American singer-songwriter. She shared a Grammy Award for Best Musical Theater Album in 2022 for The Unofficial Bridgerton Musical, co-written with Emily Bear. Barlow and Bear als
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 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 0x3063dfbf26c9b04b6bce9805ecba164ad5cf0231a0f222cc1a3e352ae327b0a1. 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/6a9eda16-4a52-4b53-8bfd-fdd9d27d559a.json and https://artists.proofprofile.net/proofs/artist/6a9eda16-4a52-4b53-8bfd-fdd9d27d559a.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 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 0xc784f291d448f4a6e83046e2df8d2dff30036f0a8fe5d549f0664da41149bd2b. Chain 2 (Bitcoin): anchored in block 959001 (2026-07-21T11:41:42Z), 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/TCADL1889794.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb91a29944522ca8e44cb33ebb50d3132c84e6c7362e228ba983cf9da355ae7ca. Chain 2 (Bitcoin): anchored in block 958996 (2026-07-21T10:57:35Z), 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/GBKPL1802544.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb420a26d5e478d3d07d3b269049d725525ca0b5e039a380940786d143d9381e. 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/QZES52092586.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf809fbda1fd89048f58a11c8273d83345ec1110714f4c44b1ae1a4d25fab928. Chain 2 (Bitcoin): anchored in block 958907 (2026-07-20T16:17:58Z), 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/QZHN82089371.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45e4b11583b301d4008791c319932bd0df24db1385baddabc05769d868213b30. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), 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/QZK6N2018294.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50a2a9711f22c3f9883ad602aaf1c93958e8c263f401711b2ede03282186bc8a. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/QZK6N2018295.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1d00a6359b18c6a5280590a739b805a56b7d9d5e35ee057f2c48ebdf1bc36de. Chain 2 (Bitcoin): anchored in block 958170 (2026-07-15T16:21:50Z), 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/QZK6N2018296.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7736283cb719be8b89337c296380e1ac44242f840c73b25c5f4b3df3d1c4dbca. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/QZK6N2018297.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9bd65f5c16ee8eb75cf49e19a45bbc35f05fd5da48ce0d71d140e781a975fd01. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), 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/QZNJW2072165.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8166be13b91d8f6ed0f594cc81e9911033f787bc6072acd1ace49cded93fb346. 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/QZGLM2151509.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53b6751e8bb3e2104399f52dba9edcd0a60e119730c2fd31ba278f172712d331. 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/QZGLS2156995.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71a3fededd5963f92a2fb154e637ca6327a055c765b55effa2e2dce6b10db617. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/QZMZ92160512.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33872f82429f5ab16541499a2a876185b375f3e042a24168127fc4fcc5afb89f. Chain 2 (Bitcoin): anchored in block 958407 (2026-07-17T12:08:48Z), 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/QZNMY2361054.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a60ed1e880c7c83277cbec650886a8fd44f4d0c3ba4b40ad6735d072816a1b5. Chain 2 (Bitcoin): anchored in block 958194 (2026-07-15T20:32:27Z), 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/NLRD52412371.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ecda59392f7df25d9d99c0e3b53162d75fe4800b768bacefbf2ba7674098d13. 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/QZNMV2536463.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93ec89bcea58cacd3bdc5da615d16c2a9b1d0248817f6792434d708ccbfb3952. Chain 2 (Bitcoin): anchored in block 958650 (2026-07-19T03:36:41Z), 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/QZNMX2530563.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f8e46bf5c598a3eeff7e756765aaa6e451426bdcd85de8c4d91eb155fb7ab12. Chain 2 (Bitcoin): anchored in block 958878 (2026-07-20T12:32:15Z), 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/QZNMX2530564.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x12bd27b089fa3b6eebfb710d72a9e0a9e950fd524149ea4eff4165c03f0e2a92. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/QZNMX2530565.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x12760c7c4be7a489fced971f71ea01288b9bb1232d323c5db9af2065b7684bec. Chain 2 (Bitcoin): anchored in block 959100 (2026-07-22T05:29:55Z), 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/QZNMX2530566.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x689be03d24ef2b18d48d8ecbea6456b706f6745afdf440b1d050b6507bd7c14b. Chain 2 (Bitcoin): anchored in block 958867 (2026-07-20T11:08:30Z), 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/QZNMX2530567.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7281ff7f2233f5f92225cc9b6785c6f2730b211b15346efbec20231bd89850b. 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/QZNMX2530568.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5eed4cfac6d80ba5e4801e6262dd80ee20f7c7dd35cdf7e882460f522ad2626d. 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/QMEZE1948931.
Vaiana 2 (Svenskt Original Soundtrack/Deluxe Edition)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65e9ca3ad529a32d9854d66e5f464e5719029077a40d64c7dd5780c18e542681. 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/USWD12434530.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea12c1fb2333cf6a16ce74122e907c9a723f77f0e82e6ca92963aced545584b4. Chain 2 (Bitcoin): anchored in block 957041 (2026-07-07T13:25:45Z), 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/USWD12434531.
What Could Be Better Than This? (Instrumental)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbab183bf9cf46d3b074ee159beb71a87a9b5bbd3f646b42f928243324e92bd33. 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/USWD12434532.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0535d37bf5caad667090d536ccb82c3b32d0c418cb8e1718dd503d1342d9efba. 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/USWD12434533.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x015f12037684de0912833155ac976f7e5ab5818851ee8548ed5d32a5d61b7561. 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/USWD12434534.