Methods of Mayhem is an American rap rock/metal band formed in 1999 by Tommy Lee, who had temporarily quit his position as Mötley Crüe's drummer. History Lee formed Methods of Mayhem on the eve of hi
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 0x4b4bf79929eb50977c1bff28ce72e891b1f603bb8eb3a0a04d03da7a231b8c6a. 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/21f04e73-38ca-4444-8859-7e4860669a14.json and https://artists.proofprofile.net/proofs/artist/21f04e73-38ca-4444-8859-7e4860669a14.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 0xd5e2de6a6b8ed5b96d65e0607c6bace23b67d1163d7e0b22b681406c7aeb2c2f. Chain 2 (Bitcoin): anchored in block 958176 (2026-07-15T17:14:36Z), 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/USMC19989479.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9910ca89ce876e54cabc6c81e8411db487fb8eca5eea959fc46e9dca1d9cd6f2. Chain 2 (Bitcoin): anchored in block 959043 (2026-07-21T18:40:26Z), 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/USMC19989481.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed2f6aeca39ddef62e15e1d5f11227de70e7998ac8f8d97fbf365785debe58ff. 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/USMC19989482.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5883b4d2d0f900a936d73787a8cfbacada35e673be43895c5bdd7919f7f1dcb5. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/NLA321089934.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5883b4d2d0f900a936d73787a8cfbacada35e673be43895c5bdd7919f7f1dcb5. 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/NLA321089934.
A Public Disservice Announcement (Special Edition)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1ee93c396d671c785f5fda48adf8a7eaf009654efee4ea3392f77ed449cc1e5. 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/NLA321089932.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x878b041c103d5ce9e2cd8368d133f51d39b9db242fecb5e8a3e32ae142ab436d. Chain 2 (Bitcoin): anchored in block 956742 (2026-07-05T05:07:15Z), 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/NLA321090255.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b7156d9aeabd9244c2944c4d64739b10e9db551c2ad7172fcc43f0e3c84cc42. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/NLA321089936.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc53984f7da55d5b8cc6f2c6b03870cc99acfec8e8c1c0fed18b521dddb90f4f7. Chain 2 (Bitcoin): anchored in block 958631 (2026-07-19T00:50:09Z), 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/NLA321089937.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b497b9fbec0b8611dbb2b44e41a47f44a1aa9e276880d167a5ae9c5dd2da11c. 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/NLA321089939.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc53984f7da55d5b8cc6f2c6b03870cc99acfec8e8c1c0fed18b521dddb90f4f7. 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/NLA321089937.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5883b4d2d0f900a936d73787a8cfbacada35e673be43895c5bdd7919f7f1dcb5. 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/NLA321089934.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35100dc7d3b44af2774452be5f244aa57a1e80f905468341c3742017026aa6bd. Chain 2 (Bitcoin): anchored in block 960273 (2026-07-30T15:42:38Z), 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/NLA321089938.