Gunda is a genus of moths of the family Bombycidae (silk moths). The genus was erected by Francis Walker in 1862. It is primarily an Oriental genus, found in India, China and South-east Asia. Species
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 0x39f03c94c04dd6283614e50f3282488b2041f8032b5b5158057bf0fe9dbaab70. 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/49ab39a9-3bc6-4300-81ce-ae1dc837990a.json and https://artists.proofprofile.net/proofs/artist/49ab39a9-3bc6-4300-81ce-ae1dc837990a.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 0x775bd49121e4d2343acfc3a0fc54ac9b826b71b6f23235388c97a42cef6a2f0e. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-21T16:23:47Z), 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/INA4Z2200048.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae328ced22eb58d48bf011f4730c7055159545e3ba7afa0b178b0a5a83a09cfd. 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/INA4Z2200047.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x775bd49121e4d2343acfc3a0fc54ac9b826b71b6f23235388c97a42cef6a2f0e. 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/INA4Z2200048.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52c497779a8d93e3b7ff1f47105a23d4ef7b97a90ffb63b25e279e7b90925c6d. 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/INA4Z2200049.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51d12e3ae41fbe715064831ab02fceb1ec3f7462a8f752b00161d54dcd992ca7. 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/INA4Z2200050.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d3e3fc730753b690a5080556873f83c70078424963dff9e7ce225c031ac912c. 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/INA4Z2200051.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0720c003381cb435fbc1d61a72da7c5239d497a5a50f1fad689d262d7de5149a. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T19:07:14Z), 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/INA4Z2200046.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8881e128e416e1b7f7b0f07961d35ec89ad954f5c04a94465fa93bd52449ca4f. 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/INA4Z2200052.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x488c214bfba5545f446cd6a9bf805390558ab5c5365cfff82a3fd507f9223441. 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/INA4Z2200053.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x976ea3ece1a97e7dc4b791e52cbacbbace9de73cb4fe91bea274375b8a833833. 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/INA4Z2200054.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4e0a1c3d95c089125543063aa44968d3e9610af49ee8d4869f61b3d29b70619. 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/INA4Z2200055.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f24e373ecf9aaaf6bca6fb9d526aa23474b3e8b40d61c2bb648704eb6cd18b6. 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/INA4Z2200056.