Droopy is an animated character created by Tex Avery for theatrical cartoon shorts produced by the Metro-Goldwyn-Mayer cartoon studio during the golden age of American animation. He is an anthropomorp
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 0xd78dcdde4e8dbecd45e7381ee84e3ce64329fa31bc3074e0a7660b7aee276d46. 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/853d0848-d771-43d3-aced-eec8d7e3462c.json and https://artists.proofprofile.net/proofs/artist/853d0848-d771-43d3-aced-eec8d7e3462c.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 0xe35e46add4ef053f40a7083c2ce5e1bbf6acbb026e26db3240c883f4c686cadc. 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/QZWFG2480841.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x230ec580ccf99be4a7fce9b9af0515217e0b17f2993031962a74def69f803e43. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/QZWFG2480842.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x148772eb1104e36433bc7775981e433fc43f345614cd94be5b86186d691864ce. 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/QZWFG2480847.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8407324077281fe0f64df748c55245c783fc15e9d7e150f3d998cbc98f337bf3. 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/QZTAX2435224.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91768481e7d331ce01646d229a61be88f370c731b0681bfc1c2617eda714fc24. 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/QZTAX2435226.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67c58888bf16db646d1c30a5bba39cbc1feb6ba74fe4f6156a279315fabe3169. Chain 2 (Bitcoin): anchored in block 959137 (2026-07-22T14:03:35Z), 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/QZTAX2435227.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7920f5d6bf866a64555810d93d7e3ba72182e0d28ebe62b36a4d60b7905258b. 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/QZTAX2435230.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6255d11cc73bb5db939392a57b47bfb472f008c59f744eb14d9e16a62b9c8ad7. 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/QZWFF2355169.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x49a57d6a717b2cf31b9ba993b82de327623f6ded08dfdac970d14a1985e41c08. 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/QZNWX2323737.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x001c0dc069a85735d523f8428951ae5f1cf80bd8ac13a84cb53b9dc0bcb2de16. Chain 2 (Bitcoin): anchored in block 960266 (2026-07-30T14:44:50Z), 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/QZNWX2323738.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e2c8e02b43405e4be514e0c8f3931ac4d104dd0069116d2f74f04f19a49963a. 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/QZNWU2491666.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaafbd9847060ec39c0789233652d41b0d2f0dd6df2fa6cd7bc804ff4b9c46276. 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/QZNWQ2437629.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85b85fd30248c0452b3016957e96b8f379fd992071ddbc493644e23a1231942d. 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/QZK6K2474492.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf301f8c55112a1601251a190f720a0bcfc6a1feb013a1b3e746a08c514f68eb6. 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/QZHNA2450286.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3924447252530975e7ade2a0e33f665bbe3efd2bb9e76e9bd6010e998e7351e. 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/QZES52455527.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39ba0538a6358fba2cbf2a63df149558d238a9b7cd9883f12e09145f716c6d46. 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/QZES62425656.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c6dedceafb7968cf97421ee419e01e637726d6b6f324dd6339b89cd8af44025. 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/QZFZ32400538.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x465b5088d60051085b22f204909640cc07b1c703d0ab2f6013cd18af98915f7b. Chain 2 (Bitcoin): anchored in block 960229 (2026-07-30T08:30:10Z), 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/QZWFP2375357.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa85c3c2edfe4bc47b029e77dbbbf92098724c92e3aa276114951f2013662c47a. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), 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/QZNWX2323736.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x49a57d6a717b2cf31b9ba993b82de327623f6ded08dfdac970d14a1985e41c08. 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/QZNWX2323737.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x001c0dc069a85735d523f8428951ae5f1cf80bd8ac13a84cb53b9dc0bcb2de16. 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/QZNWX2323738.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95c2711996f09946a97bced2b16910a1ba83fc603c28a7417f53de3b563e7c12. 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/QZNWX2323739.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd83e78d74c71e86a2aa66d8af73eca98a83490e398ca5fe13f6d59da5614f7f. Chain 2 (Bitcoin): anchored in block 960410 (2026-07-31T13:50:38Z), 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/QZNWX2323740.