Richard Clare Danko (December 29, 1943 – December 10, 1999) was a Canadian musician, bassist, songwriter, and singer, best known as a founding member of the Band, for which he was inducted into the
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 0xc82526d68fe9ff5dc4c6c99f651d9903541e7aafa01870f23fd07b9b47e74899. 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/4bc7c6b2-b291-4224-8c2f-d685e3dbc1f4.json and https://artists.proofprofile.net/proofs/artist/4bc7c6b2-b291-4224-8c2f-d685e3dbc1f4.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 0x209dfa9d1b413826b83a8e9b70334a22e449cfefcf0e5a7c39944a7a53ebf32a. 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/USASR0506201.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44186061aaa53661c832b2a7cfe26ae184857d69b1952a271b918e4bfff5436c. 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/USASR0506214.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f107206db8bd29c5a180b67c7ed67012fcfe4a09adc36ca76e8eedd1a39a183. 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/USASR0506215.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64e861ad7d9aff034d1d528bd131936a802a213d8a93d2b8a241a83949947b96. 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/USASR0506204.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x869b29f3ec02c5b78b97997a73724d1a858c83dca08a057244ed1adc3712e2f5. 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/USASR0506205.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x743d285243ca377e1958e1a579ae1d093c2098275bb3644934915c8432692a12. 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/USASR0506206.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0c9e8e9f0b74544e9b8ae16fc0f8c0768b8efb46f27afe9203f1b19eb63efea. 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/USASR0506207.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89720f1f176eefb5704c245d3be46b1ff90ed12b9b34808deb0dd85ed1dd2fb6. 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/USASR0506208.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeebf0cb50d5b93a2020a7bc953abdbd247bfbbebe07da8c48ce9d74cdea6adab. 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/USASR0506209.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e50408eddcb89141be6e992005cc6a6c9311184b90a5ce74e2d1bfd8a84390e. 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/USASR0506221.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec977004ee8c237acbfef1de570c3444bfb1a3a119621f53ca4b0aa95b71c336. 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/USASR0506210.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82fdb97a90422cf8b5f9fdd25e9f7335f0d2023d92e99647d69eb7d6025b6145. Chain 2 (Bitcoin): anchored in block 959123 (2026-07-22T11:35:32Z), 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/USASR0506212.
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 0x444e9e1598eacf9ed16cc6c4f1187f165ecd9c4367c249d453fd8614ac2e867c. 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/USASR0506213.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2cbfca91bb52b11a1b3b54fd496b6e72d31e871bffd72d8d2feb58cacb919755. Chain 2 (Bitcoin): anchored in block 960164 (2026-07-29T23:23:05Z), 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/USASR0506202.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3f4a31a680785ab045ecf466aeba3757c41b07e229436bfc97ddc9dac295962. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/USASR0506203.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xadb02dac66bfcf352c3cbe3c023c5c60f05adf02595c8523f82dfc31f8dd7a3e. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), 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/USASR0506211.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1947858392246792d783eae8da3002d749dcb138044d3f759f475d89487f9189. 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/USBT21625461.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93537e397433fa740fa79426e8aa079514acbfa0aaea57750a22d71594c5458a. Chain 2 (Bitcoin): anchored in block 960473 (2026-07-31T22:27:44Z), 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/USBT21625462.