The Hilaria (; Latin "the cheerful ones", a term derived from the borrowed adjective "cheerful, merry") were ancient Roman religious festivals celebrated on the March equinox to honor Cybele. Origin
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 0x066f4ba6ca4efd3c97781a7d05d9fd54813924c00eae5c2e08c8b265c56c68d2. 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/04e21ee0-7de3-4105-b665-60f64203a57c.json and https://artists.proofprofile.net/proofs/artist/04e21ee0-7de3-4105-b665-60f64203a57c.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 0x032dd28c770dc49373e5ced00ff4b285724a6df11afad462a538b8037240f72f. 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/BCD4N2400007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb31f3fd27ee60c0b24fc5e6c14b50a6df2ed1fa1afee9579e2c09161e5122cfa. 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/BCD4N2400008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2992e8f338f4ab517bd167378b9e4c30ac36472eaab23fe28538a02171a818de. 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/BCD4N2400009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24817af48332c4085fcebdc8221845fd589f182e413ff8e2061abc654f7fd5c5. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/BCD4N2400010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68821af6c4422871a3ad741e0f69b731537cf8b21a9c68ddf942105bf2551f54. 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/BCD4N2400011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea9a1980b3f58e87792eb50bfedf43312178ad358e56f5810cde121b9358b750. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/QMANG2240115.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9e9c9353eb8ebe41e83763ff6acffe4d34fd9651649e7990f45a9e896b83743. 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/QMANG2239153.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe24087cb5566924df9a7db0b186f218018b04d549fa35f804f40dd76885768b8. 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/CH7812415462.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f5a188792469d0ddb8fccad941bbf588401720e7d631197092a9f484d7c7cb1. 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/CH7812415366.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2f051911a374a0b24c87444be1965802463b63c734efcb7d8b82e4f6b755afe. 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/QMANG2243872.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x650300dd6a24a15a26a344131e40cea9c273ddf10eb6cd94fed2b85f01721fd2. 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/QMANG2243876.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7fb5d07066581f5fa4769aba250ba2ed31048b0f10a465f0be95e919a94bf738. 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/QMANG2243877.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c7c07ff79689d38f2b9cb80a0272836af60f1d20f6565a57e695ba521b09383. Chain 2 (Bitcoin): anchored in block 957084 (2026-07-07T20:41:57Z), 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/QMANG2243878.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7fb5d07066581f5fa4769aba250ba2ed31048b0f10a465f0be95e919a94bf738. 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/QMANG2243877.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x650300dd6a24a15a26a344131e40cea9c273ddf10eb6cd94fed2b85f01721fd2. Chain 2 (Bitcoin): anchored in block 957056 (2026-07-07T15:15:30Z), 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/QMANG2243876.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2f051911a374a0b24c87444be1965802463b63c734efcb7d8b82e4f6b755afe. 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/QMANG2243872.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7c47c8a43c7111212e0789cbf398bcacf6427374a342d4cb8f28291a1ce100a. 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/CH7812360432.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfdfb17edc4d2d39925e5a3162338a043aee137ca82a8b5dfc0532bb4b2ca4f07. 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/UKZGC2304307.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5cca649139efcd051aea3f9b3b4d386896ba8c79775831b0f5337dc01765fafa. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/UKZGC2304308.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a185697636251494a8464277514c2e9cb12626c62d54c54b5a084d3cff6f014. 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/UKZGC2304309.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ac1590b12818b93cbf802bb2beb8882554c89021f1eaefdadf7a0bc04973b3f. 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/UKZGC2304310.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d6ed2174423161741407b3a9b0deb5795275ae469b91f31ce11e7d04f9a089e. 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/UKZGC2304311.