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 0x6308c250a59262a50106706394c38792c4e95e2fca58d3ee1f92182938e12b26. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7613c64f-a1bf-4e2c-a46f-23b2d45e51d6.json and https://artists.proofprofile.net/proofs/artist/7613c64f-a1bf-4e2c-a46f-23b2d45e51d6.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 0x0ec0fd43c452b4fbda8263b55e32e63610b1d00b97bdfe038290faeae41f560d. 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/QZNWZ2497780.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcedb71c7c2c22a6c578eae07eccd72cd4bb977408ea51dd78e54fc03b0235ec5. 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/QZNWZ2497788.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e2b64696c446be4cda65f00cfcc7934fac72adc4c4a777bfe07c8408b419ee6. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/QZFYY2009218.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91b6f21b9572abe66fb3c61f28160eb6068e9e414834f6aba4c4413c671290ea. 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/QZFYY2009221.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe29e75a0e21ecfcdb892683aa874c2539d10b175585088633dc23e9cdd35eeff. 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/QZFYY2009232.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0223c3e881599a23a77ca909b2172f5758cf5c06c47efe675ce2df69de57a17. Chain 2 (Bitcoin): anchored in block 960485 (2026-08-01T00:10:46Z), 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/QZFYY2009219.
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 0x3336f70fde8ea6b6e797f9ba25e0c57e9ce31092560bf9cd197b5609a31e34dd. Chain 2 (Bitcoin): anchored in block 957056 (2026-07-07T15:15:30Z), 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/QZTB32239052.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18bd1fb864b615294c0ad4bfc74c3d9088f99d95ae9edcbb61f358126388b313. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-16T14:02:55Z), 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/QZDA51962427.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51191333219ef21de4aaad8d973489d8378848543439d45cd8971269b3989f18. 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/USHM22119537.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f0f30564e8a88e45296441b93a60026d1c4523261e35426e3ef1fada0057d82. 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/USHM22119538.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b5878f65eb5d0a5a12c84daa30b5608d3ef6bd72fed926d40a42402b7cf089c. 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/USCGJ2186971.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee78306d6e2fc65fd828bf90cb6e74f79b7465ed8a0109d0b2b504c2349909d7. 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/USDY42172000.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d0582b964afc58c362550130f411e60a1177762d81c184750f9fc3e2898cb8c. Chain 2 (Bitcoin): anchored in block 960225 (2026-07-30T08:04:30Z), 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/USHM22119539.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5aa6eccfbf0f3d94f23485a87716f8ccb0d628874aa0a3f07eebe8ee75e9125b. 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/QZNWS2001594.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56f3bc2db79eb4ead956a564521600a7024749a1ba6ccae4589daf813cb15ce0. 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/QZNWS2001599.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00a730d7be845e629c31d9cb3dc8879c6a460b3904c3aacd79b7191afe720bcf. 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/QZES81932147.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x638819da8a9504fc488a76972ab14e82261f0d62415d6caf6fa7ea42dad81063. Chain 2 (Bitcoin): anchored in block 957065 (2026-07-07T16:43:21Z), 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/GBMA22065526.
1922 deluxe version 1.1.1 (Deluxe Version 1.1.1)
What I'm Feeling, What I'm Going Through