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 0x46da1c2fa17489f41a11fb627f69157552bbeae6ae012d4eaf7cd3057cf6bac7. Chain 2 (Bitcoin): anchored in block 953742 (2026-06-15T04:47:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7bb22ffc-cfa2-489c-8da4-5d05bd44d464.json and https://artists.proofprofile.net/proofs/artist/7bb22ffc-cfa2-489c-8da4-5d05bd44d464.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
When You Hold Your Breath, You Lose It, Pt. 1
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 0xd34ef993a0d8d87abffeb678fbbef003ac3cc3d785cd0ab084f4cce1b16d0420. Chain 2 (Bitcoin): anchored in block 958885 (2026-07-20T15:38:13Z), 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/QZ6RA1600007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda0c7f8ab2837af960857e7dde1831320df34a1240a19e1a49aad602fd68e62d. 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/QZFYW1940134.
Intermission 1: I Once Met Sting at a Cracker Barrel
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe720350251c49993c4d5edcd1630a5a3992fe0cdd980c9e1e857b2f7bd5c729b. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/QZFYW1940136.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe68b3d6cdadecad0e2ac357877b963e40a6ce95746f07bbaceb58c1987a3d781. Chain 2 (Bitcoin): anchored in block 960403 (2026-07-31T13:04:34Z), 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/QZFYW1940137.
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
When The Fish In The Aquarium Stare Back At You!!
You Won't Get a Wild and Heroic Ride to Heaven on Such Pretty Light Sounds
There Is Always The Hope That Something Dangerous Will Happen
I Don't Know How To Make Everybody Happy (And I Don't Care)
You're Crazy But You Aren't Crazy Enough
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b1acf31034ecdc770a1a261650ddbee23a85292eb640d813f7495d4fb42352c. Chain 2 (Bitcoin): anchored in block 958169 (2026-07-15T17:33:22Z), 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/USLZJ2439830.
A Subtle Glow (a secret all but lost) Whispers “this is Enough”
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ac04b6a37a21a0172988e7086940b4123f8b18d60d5b1995f0cf9ce8245b9cb. 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/USLZJ2575908.
The Plan Is To Be Sad For a While, Then Put The Pieces Back Together
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32fd53d01b7f291f09a4c9c16f175c7f0ad0923c0397b67e45a5cd6b0cc70189. Chain 2 (Bitcoin): anchored in block 958420 (2026-07-17T13:33:01Z), 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/USLZJ2575916.
In the Hush (not all but some) of half-remembered corners
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x108927caf9593fd0fa71460ba905e18cc4ed05fee313d3553a46d97b22d06e0c. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), 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/USLZJ2575920.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7bf2b8a23dca591a7b144df86b9d4b8868d8dd7fbfb005841ca19aa0ca4f76f0. 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/USLZJ2575926.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62dbac9c5f50c48cb03aff36d5ef5f8f7b326662187e6c9fa019f468a989625f. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), 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/USLZJ2575929.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x045b87f152cd3bbbe2f206ab81eae7a0c99f4fa74c728affd8eedd17426f71df. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/USLZJ2575933.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4303884e22c36a9e262070a92b6fe2ea16c7c7b9d9fbf4005d25d356039f78ef. Chain 2 (Bitcoin): anchored in block 958576 (2026-07-18T16:22:28Z), 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/USLZJ2575936.
I Don’t Get The Song, but Man is it Getting Me
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x502667bcb85616c3c3209a0e22c637b4291961a285ec7983b9b3f20089913250. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/USLZJ2575941.
I Am One Of Those Machines That Sometimes Explode
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb4b9bbeb4f643963a37541fce39147214f5c0a73d598adcbea6d264510e5ec0. Chain 2 (Bitcoin): anchored in block 958633 (2026-07-19T00:54:50Z), 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/USLZJ2575945.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96b12920b45a41f280ffcb94effa006c912d3cf0c566bb8a1078b7606626c9c2. 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/USLZJ2575949.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93a6d605596958491191e470b09618fe286603b02aafbf9fdcf568783dcce01e. Chain 2 (Bitcoin): anchored in block 958776 (2026-07-19T20:11:59Z), 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/USLZJ2575952.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56b57092a6badb5d3b1b5c37888c13e3e5e1d743abbb6cdb560f71f626d27ce4. Chain 2 (Bitcoin): anchored in block 958839 (2026-07-20T07:01:59Z), 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/USLZJ2575955.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4ed4d6b4f70ae71f78dc7b669c0a07cde03a87da6b146c2091b6b43a096230d. Chain 2 (Bitcoin): anchored in block 958749 (2026-07-19T17:40:31Z), 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/USLZJ2575959.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ede74b360b2393f392f481b6a7522d11433773dfcfbbe374604a76965a5c98d. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T19:10:50Z), 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/USLZJ2575962.