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 0xa5ede89c33077619839563c139535bcd2789b4236dfd013fd12ad8988728c0c8. 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/3f8f010e-eb15-4778-a0da-119139b42e0f.json and https://artists.proofprofile.net/proofs/artist/3f8f010e-eb15-4778-a0da-119139b42e0f.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 0x88df88417e04d587bd5a002c0f015b02f77cc43a6e158407128fb6b1165cee4e. 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/GX5MY2344910.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63568930d7eaeddd7c140edd186affed677d6ae33de76e5d48076c41ebfa259b. Chain 2 (Bitcoin): anchored in block 960150 (2026-07-29T21:51:49Z), 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/GX5MY2373497.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf40331d0b8b9b1e295d268ff7d41672de23782123f07a3da01f254c3e5a6be80. Chain 2 (Bitcoin): anchored in block 959105 (2026-07-22T06:33:30Z), 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/GX5MY2358587.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbbc052a65836d787db4d41c07361994c31342732be5d6af26827865fb91d2fc6. 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/GX5MY2332486.
ITSFREELIFE: A TRUE STORY (ACCELERATE REMIX)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04b8afb00870e6008ba6b3182d59c652f132f64e56b92bfe59fde3dd1c11a67b. 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/GXBDS2356730.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f2db4e1953719ca1b26db1832cf17d7e3bbb56a2c831877a8616a81c9597dea. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/GXBDS2305155.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9c29cbe2ef6c4accae9d0d9c9a2a011694a40e43f5bd0498dce30626193e9d2. 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/GXBDS2386471.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75460629bb53bed88bb73383a646d720b011041c6017a3d45dbe6532226e4ed7. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/GXBDS2370579.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcdaa30cc9d8cdf61a52bc9e4e4769b7092802e4b1fe341eca87d472e4b8181b0. 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/GXBDS2393539.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdfd5c868d960d384a7e83f02d19fe4818401332febcaf38235d4bc05f2df7a1e. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/GXBDS2379179.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7208e4d1a6bb879ceed0e1d1a09940c1ece32e4bce6296469596555c33d1e243. 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/GXBDS2397783.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x807461a90d2ad31fcbdcb8bcb2c318459f592d109c76faf06f4735429242b839. 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/GXBDS2314653.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5546ce69bcad941ca04335e6dae9bd784fa7e5765c32e36ea59de3141a7a805e. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), 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/GXBDS2370779.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3285d5387223d74783c0a97a39fba30d0780b034cec048c51163b389d810515f. 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/GX5MX2303395.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7f90ee3d61e4020bb73d5d90f3d2d935677b8f9ff9e12632df5a7ef2c2902c4. 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/GX5MX2301911.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb73ad96dcfe2b3a758e2961065f390c8acbeb0e9dc4fe81b74b844e6c996378c. 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/GX5MX2331208.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a4e2ba5ebbaa37686f968229a065411f22b3400c2e5e5686e16e76ca9bfee7e. 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/GX5MX2309915.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e0b634d7f1edfed16baeb3c7c0d06a637efdb3a831ea583fb981dfb438e7642. Chain 2 (Bitcoin): anchored in block 960157 (2026-07-29T22:12:10Z), 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/QZTL92330328.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc090aea3e93551602b9cdd448cea845f83890d992f3d889325ede1c02028b38. 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/GX5MX2319969.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x60d9bd192ec3125418075a738ea9a0b856e6e63c0cdea08ed59a5b72c1f60e38. 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/GX5MX2320107.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7989aff82ce221f82a9d34582c7f2b9927da2ed1c125a6406416fb6a3ddafa7. 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/GX5MX2352252.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb565654cc0701e80a2350c8b17060cb4862d9eba68ea0454d32d5acf6bcacd9. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/GX5MX2365575.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbfb5c76e54105d4cb6b7e37d3ae41acdc64dca3267d918afb88fadbf12a8b7dc. 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/GX5MX2317582.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcbd6f70cae05c922a9bbd34f8cc9eb6ebf12c70503c60ca14d0b501eb889e1cf. 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/GX5MX2317828.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11630461449cba04fbdaf8c1d6730bdb21fcf1bb8ec328659ed6f42a4b036a34. 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/QZS7J2494651.
u. / look what you've done (slowed + reverb)