A jubilee is often used to refer to a celebration, commemoration, or anniversary. "Jubilation" for joyful celebration comes from "jubilee". The term comes from the Hebrew Bible, initially concerning a
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 0x0aa77626bc63f19e26fe331334eee3cbbe74d4b81ae9966c0e2852d240291482. Chain 2 (Bitcoin): anchored in block 953759 (2026-06-15T08:04:42Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b18db7c4-517d-48c3-a25d-781543b4ba5f.json and https://artists.proofprofile.net/proofs/artist/b18db7c4-517d-48c3-a25d-781543b4ba5f.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 0x94239eca283d8c4b41fa4d9a69e8386e7e1962b7e6faab090557380325f46fcc. Chain 2 (Bitcoin): anchored in block 958942 (2026-07-21T02:25:15Z), 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/US6KA1900484.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b940b5ed774a3d2ff7b1156f79ee33e2445fe06ab8b9e36b8dda6519437b299. Chain 2 (Bitcoin): anchored in block 958276 (2026-07-16T12:21:55Z), 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/USYBL2402767.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf07c26a50b8bd93402842bb7a1973624eb3310b9ef075e25ad534eb854e092bd. Chain 2 (Bitcoin): anchored in block 956841 (2026-07-05T22:14:35Z), 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/USYBL2402769.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x405c0b215c5f4e78335051a106420f03257dcad90b5767d9c1bf2644a2801307. Chain 2 (Bitcoin): anchored in block 957782 (2026-07-13T00:52:48Z), 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/USYBL2500856.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa6ac917cea49c8143aa91ea65321769fdf02fc4e28b4e40be457aea843c3f655. 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/USYBL2501496.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a85ab51cba0b2d1751b999a29c7548ed0ea1902abc7d02f63836685c5e2b82f. Chain 2 (Bitcoin): anchored in block 956500 (2026-07-03T13:55:21Z), 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/USYBL2501498.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34ae9c956582445ff859fc6b63032dc337c2afd904ea79129884c514090d5c34. 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/GB7CH2500017.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbea7e5ead87429ad75c75c1ef379d511a39ed90b4054d1750a1db4a5d3890144. 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/USNRS2443538.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd362e27fa96ea36577cfcd1029743d30789639ecdc2e61647c14be4607c2e73. 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/USA2P1482845.